TC1034/TC1035 Linear Building Block Single Operational Amplifiers in SOT Packages Features General Description Applications Device Selection Table
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1 Linear Building Block Single Operational Amplifiers in SOT Packages Features Tiny SOT-23A Package Optimized for Single Supply Operation Ultra Low Input Bias Current: Less than 1pA Low Quiescent Current: 6µA (Typ.) Shutdown Mode:.5µA (Typ.) (TC135) Shutdown Mode (TC135) Rail-to-Rail Inputs and Outputs Applications Power Management Circuits Battery Operated Equipment Consumer Products Device Selection Table General Description The TC134/TC135 are single CMOS operational amplifiers for low power applications. They have a typical operating supply current of 6µA, which is constant over the supply voltage range of 1.8V to 5.5V. The Op Amp has a rail-to-rail input and output which allows operation at low supply voltages with large input and output signal swings. An active low shutdown input, SHDN, is available on the TC135 and disables the op amp, placing its output in a high-impedance state. The TC135 draws less than.1µa when the shutdown mode is active. Packaged in a 5-Pin SOT-23A (TC134) or 6-Pin SOT- 23A (TC135), these single operational amplifiers are ideal for applications requiring high integration, small size and low power. Part Number Package Temperature Range Functional Block Diagram TC134ECT 5-Pin SOT-23A -4 C to +85 C OUTPUT 1 5 V SS TC135ECH 6-Pin SOT-23A -4 C to +85 C Package Types V DD IN IN- 5-Pin SOT-23A 6-Pin SOT-23A TC134 TC134ECT V SS SHDN TC135ECH V SS IN- 5 4 IN OUTPUT V DD IN TC V SS SHDN IN OUTPUT V DD IN+ OUTPUT V DD IN+ NOTE: 5-Pin SOT-23A is equivalent to the EIAJ SC-74A. 6-Pin SOT-23A is equivalent to the EIAJ SC Microchip Technology Inc. DS21343B-page 1
2 1. ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS* Supply Voltage...6.V Voltage on Any Pin... (V SS.3V) to (V DD +.3V) Junction Temperature C Operating Temperature Range...-4 C to +85 C Storage Temperature Range C to +15 C *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. TC134/TC135 ELECTRICAL SPECIFICATIONS Electrical Characteristics: T A = -4 to +85 C and V DD = 1.8V to 5.5V, unless otherwise specified. Typical values apply at 25 C. Minimum and maximum values apply for V DD =3.V. Symbol Parameter Min Typ Max Units Test Conditions V DD Supply Voltage V Shutdown Input (TC135 Only) V IH Input High Threshold 8% V DD V V IL Input Low Threshold 2% V DD V I SI Shutdown Input Current (Note 1) ±1 na Op Amp I Q Supply Current, Operating (Note 1) 6 1 µa Output Open, SHDN =V DD I SHDN R OUT (SD) C OUT (SD) T SEL T DESEL Supply Current, Shutdown Mode (Note 1) Output Resistance in Shutdown (Note 1) Output Capacitance in Shutdown (Note 1) Select Time (V OUT from SHDN =V IH ) (Note 1) Deselect Time (V OUT from SHDN =V IL ) (Note 1).5.1 µa SHDN =V SS 2 MΩ SHDN =V SS 5 pf SHDN =V SS 15 µsec R L =1kΩ to V SS 2 nsec R L =1kΩ to V SS A VOL Large Signal Voltage Gain 1 V/mV R O =1kΩ, V DD =5V V ICMR Common Mode Input Voltage Range V SS.2 V DD +.2 V V OS Input Offset Voltage (Note 1) ±1 ±.3 ±5 ±1.5 µv mv V DD =3V,V CM =1.5V,T A =25 C T A = -4 C to 85 C I B Input Bias Current pa T A =25 C; V CM =V DD to V SS V OS(DRIFT) Input Offset Voltage Drift ±4 µv/ C V DD =3V;V CM =1.5V GBWP Gain Bandwidth Product 9 khz V DD = 1.8V to 5.5V; V O =V DD to V SS SR Slew Rate 35 mv/µsec C L = 1pF, R L =1MΩto GND, Gain = 1, V IN =V SS to V DD V OUT Output Signal Swing V SS +.5 V DD.5 V R L =1kΩ CMRR Common Mode Rejection Ratio 7 db T A =25 C;V DD =5V V CM =V DD to V SS PSRR Power Supply Rejection Ratio 8 db T A =25 C,V CM =V SS V DD =1.8Vto5V Note 1: TC135 only. DS21343B-page 2 22 Microchip Technology Inc.
3 TC134/TC135 ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: T A = -4 to +85 C and V DD = 1.8V to 5.5V, unless otherwise specified. Typical values apply at 25 C. Minimum and maximum values apply for V DD =3.V. Symbol Parameter Min Typ Max Units Test Conditions I SRC Output Source Current 3 ma V IN +=V DD,V IN -=V SS Output Shorted to V SS V DD =1.8V,Gain=1 I SINK Output Sink Current 4 ma V IN +=V SS,V IN -=V DD, Output Shorted to V DD V DD =1.8V,Gain=1 E n Input Noise Voltage 1 µv PP.1Hz to 1Hz e n Input Noise Voltage Density 125 nv/ Hz 1kHz Note 1: TC135 only. 22 Microchip Technology Inc. DS21343B-page 3
4 2. PIN DESCRIPTIONS The description of the pins are listed in Table 2-1. TABLE 2-1: Pin No. TC134 (5-Pin SOT-23A) PIN FUNCTION TABLE Symbol Description 1 OUT Operational amplifier output. 2 V DD Positive power supply. 3 IN+ Operational amplifier non-inverting input. 4 IN- Operational amplifier inverting input. 5 V SS Negative power supply. Pin No. TC135 (6-Pin SOT-23A) Symbol Description 1 OUT Operational amplifier output. 2 V DD Positive power supply. 3 IN+ Operational amplifier non-inverting input. 4 IN- Operational amplifier inverting input. 5 SHDN Active Low Shutdown Input (TC135 only). A low input on this pin disables the operational amplifier and places the output terminal in a high-impedance state. 6 V SS Negative power supply. DS21343B-page 4 22 Microchip Technology Inc.
5 3. DETAILED DESCRIPTION The TC134/TC135 is one of a series of very low power, linear building block products targeted at low voltage, single supply applications. The TC134/ TC135 minimum operating voltage is 1.8V and maximum supply current is only 8µA. The TC134 is a single op amp in a 5-Pin SOT-23A package, and the TC135 is a single op amp with shutdown input in a 6-Pin SOT-23A package. Microchip s op amps are internally compensated to be unity gain stable and have a typical gain bandwidth product of 9kHz with typical slew rates of 35V/msec. The amplifier s input range extends beyond both supplies by 2mV and the outputs will swing to within several millivolts of the supplies depending on the load current being driven. Input offset voltage is 5µV max at 25 C with an input bias current of less than 1pA. This makes these devices extremely suitable for precision, low power applications. 4. TYPICAL APPLICATIONS The TC134/TC135 lends itself to a wide variety of applications, particularly in battery powered systems. It typically finds applications in power management, processor supervisory and interface circuitry. 4.1 Voice Band Receive Filter The majority of spectral energy for human voices is found to be in a 2.7kHz frequency band from 3Hz to 3kHz. To properly recover a voice signal in applications such as radios, cellular phones and voice pagers, a low power bandpass filter that is matched to the human voice spectrum can be implemented using Microchip s CMOS op amps. Figure 4-1 shows a unity gain multipole Butterworth filter with ripple less than.15db in the human voice band. The lower 3dB cut-off frequency is 7Hz (single order response), while the upper cut-off frequency is 3.5kHz (fourth order response). 4.2 Supervisory Audio Tone (SAT) Filter for Cellular Supervisory Audio Tones (SAT) provide a reliable transmission path between cellular subscriber units and base stations. The SAT tone functions much like the current/voltage used in land line telephone systems to indicate that a phone is off the hook. The SAT tone may be one of three frequencies: 597, 6 or 63Hz. A loss of SAT implies that channel conditions are impaired and if SAT is interrupted for more than 5 seconds a cellular call is terminated. Figure 4-2 shows a high Q (3) second order SAT detection bandpass filter using Microchip s CMOS op amp architecture. This circuit nulls all frequencies except the three SAT tones of interest. 22 Microchip Technology Inc. DS21343B-page 5
6 FIGURE 4-1: MULTI-POLE BUTTERWORTH VOICE BAND RECEIVE FILTER Gain = db Fch = 3.5kHz -24dB/Octave Fcl = 7Hz +6dB/Octave.1µF 22.6k V DD /2 V DD TC k V OUT Passband Ripple <.15dB TC134 68pF 75pF V IN 21.k 21.k 21.k V DD + TC134 24pF 47pF FIGURE 4-2: SECOND ORDER SAT BANDPASS FILTER Gain = db Q = 3 Q = F C BW (3dB) F C = 6kHz 48.7k.36µF V IN V DD 24.3k.36µF V OUT TC V DD /2 V DD /2 DS21343B-page 6 22 Microchip Technology Inc.
7 5. TYPICAL CHARACTERISTICS Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. SUPPLY CURRENT (µa) Op Amp Supply Voltage vs. Supply Current SUPPLY CURRENT (µa) V Op Amp Supply Current vs. Temperature 5.5V 1.8V PSRR (db) Op Amp Power Supply Rejection Ratio (PSRR) vs. Frequency V V IN = PP SUPPLY VOLTAGE (V) 8-4 C 25 C 85 C TEMPERATURE ( C) K 1K FREQUENCY (Hz) 1K DC OPEN-LOOP GAIN (db) Op Amp DC Open-Loop Gain vs. Supply Voltage SUPPLY VOLTAGE (V) Op Amp DC Open-Loop Gain vs. Temperature C 25 C 85 C TEMPERATURE ( C) OUTPUT CURRENT (ma) Op Amp Short-Circuit Current vs. Supply Voltage I SINK SUPPLY VOLTAGE (V) OUTPUT CURRENT (ma) Op Amp Short-Circuit Current vs. Supply Voltage I SRC SUPPLY VOLTAGE (V) R LOAD (kω) Op Amp Load Resistance vs. Load Capacitance 1% Overshoot V V = 1.5V Region of Marginal Stability Region of Stable Operation Op Amp Small-Signal Transient Response TIME (µsec) OUTPUT VOLTAGE (mv) INPUT VOLTAGE (mv) Microchip Technology Inc. DS21343B-page 7
8 5. TYPICAL CHARACTERISTICS (CONTINUED) INPUT VOLTAGE (mv) Op Amp Large-Signal Transient Response TIME (µsec) DS21343B-page 8 22 Microchip Technology Inc.
9 6. PACKAGING INFORMATION 6.1 Package Marking Information 5-Pin SOT-23A 6-Pin SOT-23A 1 and 2 = part number code + temperature range and voltage TC134/TC135 (V) TC134ECT TC135ECH Code AE AF 3 = year and quarter code 4 = lot ID number 6.2 Taping Form Component Taping Orientation for 5-Pin SOT-23A (EIAJ SC-74A) Devices Device Marking User Direction of Feed W PIN 1 P Standard Reel Component Orientation TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 5-Pin SOT-23A 8 mm 4 mm 3 7 in 22 Microchip Technology Inc. DS21343B-page 9
10 6.2 Taping Form (Continued) Component Taping Orientation for 6-Pin SOT-23A (EIAJ SC-74) Devices User Direction of Feed Device Marking W PIN 1 P Standard Reel Component Orientation For TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 6-Pin SOT-23A 8 mm 4 mm 3 7 in DS21343B-page 1 22 Microchip Technology Inc.
11 6.3 Package Dimensions SOT-23A-5.75 (1.9) REF..122 (3.1).98 (2.5).71 (1.8).59 (1.5).2 (.5).12 (.3) PIN 1.37 (.95) REF..122 (3.1).16 (2.7).57 (1.45).35 (.9).6 (.15). (.) 1 MAX..1 (.25).4 (.9).24 (.6).4 (.1) Dimensions: inches (mm) SOT-23A-6.75 (1.9) REF..122 (3.1).98 (2.5).69 (1.75).59 (1.5).2 (.5).14 (.35).37 (.95) REF..118 (3.).11 (2.8).57 (1.45).35 (.9).6 (.15). (.) 1 MAX..8 (.2).4 (.9).24 (.6).4 (.1) Dimensions: inches (mm) 22 Microchip Technology Inc. DS21343B-page 11
12 NOTES: DS21343B-page Microchip Technology Inc.
13 Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. Your local Microchip sales office 2. The Microchip Corporate Literature Center U.S. FAX: (48) The Microchip Worldwide Site ( Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site ( to receive the most current information on our products. 22 Microchip Technology Inc. DS21343B-page13
14 NOTES: DS21343B-page14 22 Microchip Technology Inc.
15 Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, FilterLab, KEELOQ, microid, MPLAB, PIC, PICmicro, PICMASTER, PICSTART, PRO MATE, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. dspic, ECONOMONITOR, FanSense, FlexROM, fuzzylab, In-Circuit Serial Programming, ICSP, ICEPIC, microport, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, MXDEV, PICC, PICDEM, PICDEM.net, rfpic, Select Mode and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. 22, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 and Mountain View, California in March 22. The Company s quality system processes and procedures are QS-9 compliant for its PICmicro 8-bit MCUs, KEELOQ code hopping devices, Serial EEPROMs, microperipherals, non-volatile memory and analog products. In addition, Microchip s quality system for the design and manufacture of development systems is ISO 91 certified. 22 Microchip Technology Inc. DS21343B-page 15
16 WORLDWIDE SALES AND SERVICE AMERICAS Corporate Office 2355 West Chandler Blvd. Chandler, AZ Tel: Fax: Technical Support: Web Address: Rocky Mountain 2355 West Chandler Blvd. Chandler, AZ Tel: Fax: Atlanta 5 Sugar Mill Road, Suite 2B Atlanta, GA 335 Tel: Fax: Boston 2 Lan Drive, Suite 12 Westford, MA 1886 Tel: Fax: Chicago 333 Pierce Road, Suite 18 Itasca, IL 6143 Tel: Fax: Dallas 457 Westgrove Drive, Suite 16 Addison, TX 751 Tel: Fax: Detroit Tri-Atria Office Building Northwestern Highway, Suite 19 Farmington Hills, MI Tel: Fax: Kokomo 2767 S. Albright Road Kokomo, Indiana 4692 Tel: Fax: Los Angeles 1821 Von Karman, Suite 19 Irvine, CA Tel: Fax: New York 15 Motor Parkway, Suite 22 Hauppauge, NY Tel: Fax: San Jose Microchip Technology Inc. 217 North First Street, Suite 59 San Jose, CA Tel: Fax: Toronto 6285 Northam Drive, Suite 18 Mississauga, Ontario L4V 1X5, Canada Tel: Fax: ASIA/PACIFIC Australia Microchip Technology Australia Pty Ltd Suite 22, 41 Rawson Street Epping 2121, NSW Australia Tel: Fax: China - Beijing Microchip Technology Consulting (Shanghai) Co., Ltd., Beijing Liaison Office Unit 915 Bei Hai Wan Tai Bldg. No. 6 Chaoyangmen Beidajie Beijing, 127, No. China Tel: Fax: China - Chengdu Microchip Technology Consulting (Shanghai) Co., Ltd., Chengdu Liaison Office Rm. 241, 24th Floor, Ming Xing Financial Tower No. 88 TIDU Street Chengdu 6116, China Tel: Fax: China - Fuzhou Microchip Technology Consulting (Shanghai) Co., Ltd., Fuzhou Liaison Office Unit 28F, World Trade Plaza No. 71 Wusi Road Fuzhou 351, China Tel: Fax: China - Shanghai Microchip Technology Consulting (Shanghai) Co., Ltd. Room 71, Bldg. B Far East International Plaza No. 317 Xian Xia Road Shanghai, 251 Tel: Fax: China - Shenzhen Microchip Technology Consulting (Shanghai) Co., Ltd., Shenzhen Liaison Office Rm. 1315, 13/F, Shenzhen Kerry Centre, Renminnan Lu Shenzhen 5181, China Tel: Fax: Hong Kong Microchip Technology Hongkong Ltd. Unit 91-6, Tower 2, Metroplaza 223 Hing Fong Road Kwai Fong, N.T., Hong Kong Tel: Fax: India Microchip Technology Inc. India Liaison Office Divyasree Chambers 1 Floor, Wing A (A3/A4) No. 11, O Shaugnessey Road Bangalore, 56 25, India Tel: Fax: Japan Microchip Technology Japan K.K. Benex S-1 6F , Shinyokohama Kohoku-Ku, Yokohama-shi Kanagawa, , Japan Tel: Fax: Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea Tel: Fax: Singapore Microchip Technology Singapore Pte Ltd. 2 Middle Road #7-2 Prime Centre Singapore, Tel: Fax: Taiwan Microchip Technology Taiwan 11F-3, No. 27 Tung Hua North Road Taipei, 15, Taiwan Tel: Fax: EUROPE Denmark Microchip Technology Nordic ApS Regus Business Centre Lautrup hoj 1-3 Ballerup DK-275 Denmark Tel: Fax: France Microchip Technology SARL Parc d Activite du Moulin de Massy 43 Rue du Saule Trapu Batiment A - ler Etage 913 Massy, France Tel: Fax: Germany Microchip Technology GmbH Gustav-Heinemann Ring 125 D Munich, Germany Tel: Fax: Italy Microchip Technology SRL Centro Direzionale Colleoni Palazzo Taurus 1 V. Le Colleoni Agrate Brianza Milan, Italy Tel: Fax: United Kingdom Arizona Microchip Technology Ltd. 55 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: Fax: /1/2 *DS21343B* DS21343B-page Microchip Technology Inc.
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