TS mW Stereo Headphone Amplifier. Description. Applications. Order Codes
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1 mw Stereo Headphone Amplifier Operating from to 5.5V mw into 6Ω at 5V 3mW into 6Ω at 3.3V.5mW into 6Ω at 2V Switch ON/OFF click reduction circuitry High power supply rejection ratio: 5dB at 5V High signal-to-noise ratio: db(a) at 5V High crosstalk immunity: db (F=kHz) Rail-to-rail input and output Unity-gain stable Available in SO-, MiniSO- & DFN Description The is a dual audio power amplifier able to drive a 6 or 32Ω stereo headset down to low voltages. It is delivering up to mw per channel (into 6Ω loads) of continuous average power with.% THD+N from a 5V power supply. The unity gain stable can be configured by external gain-setting resistors. Applications Stereo headphone amplifier Optical storage Computer motherboard PDA, organizers & notebook computers High-end TV, set-top box, DVD players Sound cards Order Codes ID, IDT - SO- OUT () VIN- () VIN+ () GND IST - MiniSO- OUT () VIN- () VIN+ () GND IQT - DFN Typical application schematic VCC OUT (2) VIN- (2) VIN+ (2) VCC OUT (2) VIN- (2) VIN+ (2) OUT () Vcc VIN - () VIN + () OUT (2) VIN - (2) GND 5 VIN + (2) Rfeed µf Vcc 3.9k + Rpol Vcc Right In Cs k Cin 3.9k 2 +2µF - + RL=32Ohms + 2.2µF Rin 3 + Cb Cout + 2.2µF 5 Cout RL=32Ohms Rin2 µf µF Left In Cin2 3.9k k Rpol 3.9k Rfeed2 Part Number Temperature Range Package Packing Marking ID/IDT IST IQT -, +5 C SO- miniso- DFN Tube or Tape & Reel Tape & Reel + 2I Rev 2 November 5 /
2 Absolute Maximum Ratings Absolute Maximum Ratings Table. Key parameters and their absolute maximum ratings Symbol Parameter Value Unit V CC Supply voltage () 6 V V i Input Voltage -.3 to V CC +.3 V T oper Operating Free Air Temperature Range - to + 5 C T stg Storage Temperature -65 to +5 C T j Maximum Junction Temperature 5 C Thermal Resistance Junction to Ambient R thja SO MiniSO DFN C/W Pd. All voltages values are measured with respect to the ground pin. 2. Pd has been calculated with, Tjunction = 5 C. Table 2. Power Dissipation (2) SO- MiniSO- DFN Operating conditions ESD Human Body Model (pin to pin) 2 kv ESD Machine Model - 2pF - 2pF (pin to pin) V Latch-up Latch-up Immunity (all pins) ma Lead Temperature (soldering, sec) 25 C Lead Temperature (soldering, sec) for lead-free 26 C Output Short-Circuit Duration see note (3) 3. Attention must be paid to continuous power dissipation. Exposure of the IC to a short circuit on one or two amplifiers simultaneously can cause excessive heating and the destruction of the device. Symbol Parameter Value Unit V CC Supply Voltage 2 to 5.5 V R L Load Resistor >= 6 Ω W Load Capacitor C L R L = 6 to Ω R L > Ω pf Vicm Common Mode Input Voltage Range G ND to V CC V Thermal Resistance Junction to Ambient R thja SO- MiniSO- DFN () 5 9 C/W 2/26. When mounted on a -layer PCB.
3 Electrical Characteristics 2 Electrical Characteristics Table 3. Electrical characteristics when V CC = +5V, GND = V, T amb = 25 C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit I CC Supply Current No input signal, no load ma V IO Input Offset Voltage (V ICM = V CC /2) 5 mv I IB Input Bias Current (V ICM = V CC /2) 5 na Output Power P O THD+N =.% Max, F = khz, R L = 32Ω THD+N = % Max, F = khz, R L = 32Ω THD+N =.% Max, F = khz, R L = 6Ω THD+N = % Max, F = khz, R L = 6Ω mw Total Harmonic Distortion + Noise (A v =-) () THD + N R L = 32Ω, P out = 6mW, Hz F khz R L = 6Ω, P out = 9mW, Hz F khz.3.3 % PSRR I O Power Supply Rejection Ratio (A v =), inputs floating F = Hz, Vripple = mvpp 5 Max Output Current THD +N < %, R L = 6Ω connected between out and V CC /2 6 db ma V O Output Swing V OL : R L = 32Ω V OH : R L = 32Ω V OL : R L = 6Ω V OH : R L = 6Ω V SNR Signal-to-Noise Ratio (Filter Type A, A v =-) R L = 32Ω, THD +N <.2%, Hz F khz 95 db Crosstalk Channel Separation, R L = 32Ω F = khz F = Hz to khz Channel Separation, R L = 6Ω F = khz F = Hz to khz db C I Input Capacitance pf GBP Gain Bandwidth Product (R L = 32Ω) MHz SR Slew Rate, Unity Gain Inverting (R L = 6Ω).5.7 V/µs. Fig. 6 to 79 show dispersion of these parameters. 3/26
4 Table. Electrical characteristics when V CC = +3.3V, GND = V, T amb = 25 C (unless otherwise specified) () Symbol Parameter Min. Typ. Max. Unit I CC Supply Current No input signal, no load ma V IO Input Offset Voltage (V ICM = V CC /2) 5 mv I IB Input Bias Current (V ICM = V CC /2) 5 na Output Power P O THD+N =.% Max, F = khz, R L = 32Ω THD+N = % Max, F = khz, R L = 32Ω THD+N =.% Max, F = khz, R L = 6Ω THD+N = % Max, F = khz, R L = 6Ω mw Total Harmonic Distortion + Noise (A v =-) () THD + N R L = 32Ω, P out = 6mW, Hz F khz R L = 6Ω, P out = 35mW, Hz F khz.3.3 % PSRR I O Power Supply Rejection Ratio (A v =), inputs floating F = Hz, Vripple = mvpp Max Output Current THD +N < %, R L = 6Ω connected between out and V CC / db ma V O Output Swing V OL : R L = 32Ω V OH : R L = 32Ω V OL : R L = 6Ω V OH : R L = 6Ω V SNR Signal-to-Noise Ratio (Filter Type A, A v =-) R L = 32Ω, THD +N <.2%, Hz F khz 92 7 db Crosstalk Channel Separation, R L = 32Ω F = khz F = Hz to khz Channel Separation, R L = 6Ω F = khz F = Hz to khz db C I Input Capacitance pf GBP Gain Bandwidth Product (R L = 32Ω).2 2 MHz SR Slew Rate, Unity Gain Inverting (R L = 6Ω).5.7 V/µs. Fig. 6 to 79 show dispersion of these parameters.. All electrical values are guaranteed with correlation measurements at 2V and 5V. /26
5 Table 5. Electrical characteristics when V CC = +2.5V, GND = V, T amb = 25 C (unless otherwise specified) (2) Symbol Parameter Min. Typ. Max. Unit I CC Supply Current No input signal, no load ma V IO Input Offset Voltage (V ICM = V CC /2) 5 mv I IB Input Bias Current (V ICM = V CC /2) 5 na Output Power P O THD+N =.% Max, F = khz, R L = 32Ω THD+N = % Max, F = khz, R L = 32Ω THD+N =.% Max, F = khz, R L = 6Ω THD+N = % Max, F = khz, R L = 6Ω mw Total Harmonic Distortion + Noise (A v =-) () THD + N R L = 32Ω, P out = mw, Hz F khz R L = 6Ω, P out = 6mW, Hz F khz.3.3 % PSRR I O Power Supply Rejection Ratio (A v =), inputs floating F = Hz, Vripple = mvpp 75 Max Output Current THD +N < %, R L = 6Ω connected between out and V CC / db ma V O Output Swing V OL : R L = 32Ω V OH : R L = 32Ω V OL : R L = 6Ω V OH : R L = 6Ω V SNR Signal-to-Noise Ratio (Filter Type A, A v =-) R L = 32Ω, THD +N <.2%, Hz F khz 9 2 db Crosstalk Channel Separation, R L = 32Ω F = khz F = Hz to khz Channel Separation, R L = 6Ω F = khz F = Hz to khz db C I Input Capacitance pf GBP Gain Bandwidth Product (R L = 32Ω).2 2 MHz SR Slew Rate, Unity Gain Inverting (R L = 6Ω).5.7 V/µs. Fig. 6 to 79 show dispersion of these parameters. 2. All electrical values are guaranteed with correlation measurements at 2V and 5V. 5/26
6 Table 6. Electrical characteristics when V CC = +2V, GND = V, T amb = 25 C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit I CC Supply Current No input signal, no load ma V IO Input Offset Voltage (V ICM = V CC /2) 5 mv I IB Input Bias Current (V ICM = V CC /2) 5 na Output Power P O THD+N =.% Max, F = khz, R L = 32Ω THD+N = % Max, F = khz, R L = 32Ω THD+N =.% Max, F = khz, R L = 6Ω THD+N = % Max, F = khz, R L = 6Ω mw Total Harmonic Distortion + Noise (A v =-) () THD + N R L = 32Ω, P out = 6.5mW, Hz F khz R L = 6Ω, P out = mw, Hz F khz.2.25 % PSRR I O Power Supply Rejection Ratio (A v =), inputs floating F = Hz, Vripple = mvpp 75 Max Output Current THD +N < %, R L = 6Ω connected between out and V CC / db ma V O Output Swing V OL : R L = 32Ω V OH : R L = 32Ω V OL : R L = 6Ω V OH : R L = 6Ω V SNR Signal-to-Noise Ratio (Filter Type A, A v =-) R L = 32Ω, THD +N <.2%, Hz F khz db Crosstalk Channel Separation, R L = 32Ω F = khz F = Hz to khz Channel Separation, R L = 6Ω F = khz F = Hz to khz db C I Input Capacitance pf GBP Gain Bandwidth Product (R L = 32Ω).2 2 MHz SR Slew Rate, Unity Gain Inverting (R L = 6Ω).2.65 V/µs. Fig. 6 to 79 show dispersion of these parameters. 6/26
7 Table 7. Components Components description Functional Description Rin Cin Rfeed Cs Cb Cout Rpol Av Inverting input resistor which sets the closed loop gain in conjunction with Rfeed. This resistor also forms a high pass filter with Cin (fc = / (2 x Pi x Rin x Cin)) Input coupling capacitor which blocks the DC voltage at the amplifier input terminal Feed back resistor which sets the closed loop gain in conjunction with Rin Supply Bypass capacitor which provides power supply filtering Bypass capacitor which provides half supply filtering Output coupling capacitor which blocks the DC voltage at the load input terminal This capacitor also forms a high pass filter with RL (fc = / (2 x Pi x RL x Cout)) These 2 resistors form a voltage divider which provide a DC biasing voltage (Vcc/2) for the 2 amplifiers. Closed loop gain = -Rfeed / Rin 7/26
8 Table. Index of graphics Description Figure Page Open loop gain and phase vs. frequency response Figure to Page 9 to Phase and Gain Margin vs. Power Supply Voltage Figure to Page to2 Output power vs. power supply voltage Figure 2 to 23 Page 2 Output power vs. load resistance Figure 2 to 27 Page 2 to3 Power dissipation vs. output power Figure 2 to 3 Page 3 to Power derating vs. ambient temperature Figure 32 Page Current consumption vs. power supply voltage Figure 33 Page Power supply rejection ratio vs. frequency Figure 3 Page THD + N vs. output power Figure 35 to 9 Page to7 THD + N vs. frequency Figure 5 to 5 Page 7 Signal to noise ratio Figure 55 to 5 Page Equivalent input noise voltage vs. frequency Figure 59 Page Output voltage swing vs. power supply Figure 6 Page Crosstalk vs. frequency Figure 6 to 65 Page 9 Lower cut off frequency vs. output capacitor Figure 66 Page 9 Lower cut off frequency vs. input capacitor Figure 67 Page Typical distribution of TDH + N Figure 6 to 79 Page to22 /26
9 Figure. Open loop gain and phase vs. frequency response Figure 2. Open loop gain and phase vs. frequency response Gain (db) 6 - Phase Gain Vcc = 5V RL = Ω -. Frequency (khz) Phase (Deg) Gain (db) 6 - Phase Gain Vcc = 2V RL = Ω -. Frequency (khz) Phase (Deg) Figure 3. Open loop gain and phase vs. frequency response Figure. Open loop gain and phase vs. frequency response Gain (db) 6 - Phase Gain Vcc = 5V RL = 6Ω -. Frequency (khz) Phase (Deg) Gain (db) 6 - Phase Gain Vcc = 2V RL = 6Ω -. Frequency (khz) Phase (Deg) Figure 5. Open loop gain and phase vs. frequency response Figure 6. Open loop gain and phase vs. frequency response Gain (db) 6 - Phase Gain Vcc = 5V RL = 32Ω -. Frequency (khz) Phase (Deg) Gain (db) 6 - Phase Gain Vcc = 2V RL = 32Ω -. Frequency (khz) Phase (Deg) 9/26
10 Figure 7. Open loop gain and phase vs. frequency response Figure. Open loop gain and phase vs. frequency response Gain (db) 6 - Phase Gain Vcc = 5V RL = 6Ω -. Frequency (khz) Phase (Deg) Gain (db) 6 - Phase Gain Vcc = 2V RL = 6Ω -. Frequency (khz) Phase (Deg) Figure 9. Open loop gain and phase vs. frequency response Figure. Open loop gain and phase vs. frequency response Gain (db) 6 - Phase Gain Vcc = 5V RL = 5kΩ -. Frequency (khz) Phase (Deg) Gain (db) 6 - Phase Gain Vcc = 2V RL = 5kΩ -. Frequency (khz) Phase (Deg) Figure. Phase margin vs. power supply voltage Figure 2. Phase margin vs. power supply voltage 5 RL=Ω 5 RL=Ω Phase Margin (Deg) 3 CL= to 5pF Gain Margin (db) 3 CL= to 5pF Power Supply Voltage (V) Power Supply Voltage (V) /26
11 Figure 3. Phase margin vs. power supply voltage Figure. Gain margin vs. power supply voltage 5 5 RL=6Ω Phase Margin (Deg) 3 CL= to 5pF Gain Margin (db) 3 CL= to 5pF RL=6Ω Power Supply Voltage (V) Power Supply Voltage (V) Figure 5. Phase margin vs. power supply voltage Figure 6. Gain margin vs. power supply voltage Phase Margin (Deg) 5 3 CL= to 5pF Gain Margin (db) 5 3 CL= to 5pF Power Supply Voltage (V) Power Supply Voltage (V) Figure 7. Phase margin vs. power supply voltage Figure. Gain margin vs. power supply voltage 7 6 CL=pF Phase Margin (Deg) 5 3 CL=pF CL=5pF Gain Margin (db) CL=pF CL=pF CL=5pF RL=6Ω Power Supply Voltage (V) RL=6Ω Power Supply Voltage (V) /26
12 Figure 9. Phase margin vs. power supply voltage Figure. Gain margin vs. power supply voltage 7 6 CL=pF Phase Margin (Deg) 5 3 CL=pF CL=3pF CL=5pF Gain Margin (db) CL=pF CL=pF CL=5pF RL=5kΩ Power Supply Voltage (V) RL=5kΩ Power Supply Voltage (V) Figure 2. Output power vs. power supply voltage Figure 22. Output power vs. power supply voltage Output power (mw) RL = Ω F = khz THD+N=% THD+N=% THD+N=.% Vcc (V) Output power (mw) RL = 6Ω F = khz THD+N=% THD+N=% THD+N=.% Vcc (V) Figure 23. Output power vs. power supply voltage Figure 2. Output power vs. load resistance Output power (mw) RL = 32Ω F = khz THD+N=% THD+N=% THD+N=.% Vcc (V) Output power (mw) 6 6 THD+N=.% THD+N=% Vcc = 5V F = khz THD+N=% Load Resistance ( ) 2/26
13 Figure 25. Output power vs. load resistance Figure 26. Output power vs. load resistance Output power (mw) THD+N=.% THD+N=% Vcc = 3.3V F = khz THD+N=% Load Resistance (ohm) Output power (mw) THD+N=.% THD+N=% Vcc = 2.6V F = khz THD+N=% Load Resistance (ohm) Figure 27. Output power vs. load resistance Figure 2. Power dissipation vs. output power Output power (mw) THD+N=.% THD+N=% Vcc = 2V F = khz THD+N=% Load Resistance (ohm) Power Dissipation (mw) 6 F=kHz THD+N<% 6 6 Output Power (mw) RL=Ω RL=6Ω Figure 29. Power dissipation vs. output power Figure 3. Power dissipation vs. output power Power Dissipation (mw) Vcc=3.3V F=kHz THD+N<% RL=6Ω RL=Ω Output Power (mw) Power Dissipation (mw) F=kHz THD+N<% 3 RL=6Ω RL=Ω Output Power (mw) 3/26
14 Figure 3. Power dissipation vs. output power Figure 32. Power derating vs. ambient temperature Power Dissipation (mw) F=kHz THD+N<% RL=Ω RL=6Ω Output Power (mw) Figure 33. Current consumption vs. power supply voltage Figure 3. Power supply rejection ratio vs. frequency Current Consumption (ma) No load Ta=5 C Ta=25 C Ta=- C PSRR (db) 6 Vcc=3.3V Vripple=mVpp Vpin3,5=Vcc/2 (forced bias) RL >= Ω db=7mvrms & 2V Power Supply Voltage (V) Frequency (Hz) Figure 35. THD + N vs. output power Figure 36. THD + N vs. output power. RL = Ω F = Hz Vcc=3.3V.. RL = 6Ω F = Hz. Output Power (mw) Vcc=3.3V E-3 Output Power (mw) /26
15 Figure 37. THD + N vs. output power Figure 3. THD + N vs. output power.. RL = 32Ω F = Hz.. RL = 6Ω F = Hz Vcc=3.3V Vcc=3.3V E-3 Output Power (mw) E-3.. Output Voltage (Vrms) Figure 39. THD + N vs. output power Figure. THD + N vs. output power.. RL = 5kΩ F = Hz Vcc=3.3V. RL = Ω F = khz E-3.. Output Voltage (Vrms) Vcc=3.3V. Output Power (mw) Figure. THD + N vs. output power Figure 2. THD + N vs. output power.. RL = 6Ω F = khz.. RL = 32Ω F = khz Vcc=3.3V E-3 Output Power (mw) Vcc=3.3V E-3 Output Power (mw) 5/26
16 Figure 3. THD + N vs. output power Figure. THD + N vs. output power. RL = 6Ω F = khz Vcc=3.3V. RL = 5kΩ F = khz Vcc=3.3V.. E-3.. Output Voltage (Vrms) E-3.. Output Voltage (Vrms) Figure 5. THD + N vs. output power Figure 6. THD + N vs. output power. RL = Ω F = khz. RL = 6Ω F = khz Vcc=3.3V. Output Power (mw) Vcc=3.3V. Output Power (mw) Figure 7. THD + N vs. output power Figure. THD + N vs. output power. RL = 32Ω F = khz. RL = 6Ω F = khz Vcc=3.3V. Vcc=3.3V. Output Power (mw).. Output Voltage (Vrms) 6/26
17 Figure 9. THD + N vs. output power Figure 5. THD + N vs. frequency. RL = 5kΩ F = khz Vcc=3.3V., Po=mW, Po=mW Vcc=3.3V, Po=mW, Po=mW RL=Ω Bw < 25kHz... Output Voltage (Vrms). k Frequency (Hz) Figure 5. THD + N vs. frequency Figure 52. THD + N vs. frequency. RL=6Ω Bw < 25kHz., Po=6.5mW Bw < 25kHz, Po=mW, Po=mW Vcc=3.3V, Po=35mW, Po=9mW., Po=2mW Vcc=3.3V, Po=6mW, Po=6mW. k Frequency (Hz) k Frequency (Hz) Figure 53. THD + N vs. frequency Figure 5. THD + N vs. frequency.. RL=6Ω Bw < 25kHz, Vo=.75Vrms, Vo=.55Vrms, Vo=.Vrms Vcc=3.3V, Vo=Vrms.. RL=5kΩ Bw < 25kHz, Vo=.75Vrms, Vo=.55Vrms, Vo=.Vrms Vcc=3.3V, Vo=Vrms E-3 k Frequency (Hz) E-3 k Frequency (Hz) 7/26
18 Figure 55. Signal to noise ratio vs. power supply with unweighted filter (Hz to khz) Figure 56. Signal to noise ratio vs. power supply with unweighted filter (Hz to khz) Signal to Noise Ratio (db) THD+N <.2% RL=6Ω RL=Ω Power Supply (V) Signal to Noise Ratio (db) THD+N <.2% RL=5kΩ RL=6Ω Power Supply (V) Figure 57. Signal to noise ratio vs. power supply with A weighted filter Figure 5. Signal to noise ratio vs. power supply with A weighted filter Signal to Noise Ratio (db) THD+N <.2% RL=6Ω RL=Ω Signal to Noise Ratio (db) THD+N <.2% RL=5kΩ RL=6Ω Power Supply (V) Power Supply (V) Figure 59. Equivalent input noise voltage vs. frequency Figure 6. Output voltage swing vs. power supply Equivalent Input Noise Voltage (nv/ Hz) 25 5 Rs=Ω 5.2. Frequency (khz) VOH & VOL (V) RL=Ω RL=6Ω Power Supply Voltage (V) /26
19 Figure 6. Crosstalk vs. frequency Figure 62. Crosstalk vs. frequency ChB to ChA ChB to ChA Crosstalk (db) 6 ChA to ChB RL=Ω Pout=mW Bw < 25kHz Crosstalk (db) 6 ChA to ChB RL=6Ω Pout=9mW Bw < 25kHz k Frequency (Hz) k Frequency (Hz) Figure 63. Crosstalk vs. frequency Figure 6. Crosstalk vs. frequency Crosstalk (db) 6 ChB to ChA & ChA to Chb Pout=6mW Bw < 25kHz k Frequency (Hz) Crosstalk (db) 6 ChB to ChA & ChA to Chb RL=6Ω Vout=.Vrms Bw < 25kHz k Frequency (Hz) Figure 65. Crosstalk vs. frequency Figure 66. Lower cut off frequency vs. output capacitor Crosstalk (db) 6 ChB to ChA & ChA to Chb RL=5kΩ Vout=.5Vrms Bw < 25kHz k Frequency (Hz) -3dB Cut Off Frequency (Hz) RL=Ω RL=6Ω Output Capacitor Cout ( F) 9/26
20 Figure 67. Lower cut off frequency vs. input capacitor Figure 6. Typical distribution of TDH + N -3dB Cut Off Frequency (Hz) Rin=3.9kΩ Rin=kΩ Rin=22kΩ Number of Units RL=6Ω Pout=9mW Hz F khz Input Capacitor Cin ( F) THD+N (%) Figure 69. Best case distribution of THD + N Figure 7. Worst case distribution of THD + N Number of Units RL=6Ω Pout=9mW Hz F khz THD+N (%) Number of Units RL=6Ω Pout=9mW Hz F khz THD+N (%) Figure 7. Typical distribution of TDH + N Figure 72. Best case distribution of THD + N Number of Units RL=6Ω Pout=mW Hz F khz THD+N (%) Number of Units RL=6Ω Pout=mW Hz F khz THD+N (%) /26
21 Figure 73. Worst case distribution of THD + N Figure 7. Typical distribution of TDH + N Number of Units THD+N (%) RL=6Ω Pout=mW Hz F khz Number of Units THD+N (%) Pout=6mW Hz F khz Figure 75. Best case distribution of THD + N Figure 76. Worst case distribution of THD + N Number of Units Pout=6mW Hz F khz THD+N (%) Number of Units Pout=6mW Hz F khz THD+N (%) Figure 77. Typical distribution of TDH + N Figure 7. Best case distribution of THD + N Number of Units Pout=6.5mW Hz F khz THD+N (%) Number of Units Pout=6.5mW Hz F khz THD+N (%) 2/26
22 Figure 79. Worst case distribution of THD + N Number of Units Pout=6.5mW Hz F khz THD+N (%) 22/26
23 Package Mechanical Data 3 Package Mechanical Data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: 3. SO- Package SO- MECHANICAL DATA mm. inch DIM. MIN. TYP MAX. MIN. TYP. MAX. A A A B C D E e.27.5 H h L k (max.) ddd.. 623/C 23/26
24 Package Mechanical Data 3.2 MiniSO- Package 2/26
25 Package Mechanical Data 3.3 DFN Package 25/26
26 Revision history Revision history Date Revision Changes June 3 Initial release. Nov. 5 2 The following changes were made in this revision: Lead temperature for lead-free added see Table : Key parameters and their absolute maximum ratings on page 2. Formatting changes throughout. Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners 5 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 26/26
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