FS1259 / FS1259 Low-Voltage, 1Ω Dual SPST nalog Switch with Power-Off Isolation Features Power-Off Isolation (=0V) 1Ω On Resistance (R ON) for 4.5V 0.25Ω Maximum R ON Flatness for 4.5V Space-Saving, US8 Surface Mount Package Broad Operating Range: 1.65V to 5.50V Fast Turn-On and Turn-Off Times Break-Before-Make Enable Circuitry pplications Cellular Phone Portable Media Player PD Ordering Information Part Number Top Mark Operating Temperature Range FS1259K8X 1259-40 C to +85 C FS1259K8X 59-40 C to +85 C Description July 2009 The FS1259/FS1259 is a high-performance, dual, Single-Pole / Single-Throw (SPST) analog switch. The device features ultra-low R ON of 1Ω at 4.5V and operates over the wide range of 1.65V to 5.50V. The FS1259 allows for reduced input thresholds on the select pins. The device is fabricated with sub-micron CMOS technology to achieve fast switching speeds and is designed for break-before-make operation. Package 8-Lead US8, JEDEC MO-187, Variation C, 3.0mm Wide 8-Lead US8, JEDEC MO-187, Variation C, 3.0mm Wide Eco Status Green Green Packing Method 3000 Units Tape and Reel 3000 Units Tape and Reel FS1259 / FS1259 Low-Voltage, 1Ω Dual SPST nalog Switch with Power-Off Isolation For Fairchild s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. 1 1B 1 8 2 7 1S 2S 3 6 2B 4 5 2 Figure 1. nalog Symbols FS1259 / FS1259 Rev. 1.0.6
Pin ssignments Pin Definitions Truth Table 1 1B 2S 1 8 2 7 3 6 4 5 Vcc 1S 2B 2 Figure 2. Pin ssignments (Top View) Pin # Name Description 1 1 Data Port 2 1B Data Port 3 2S Control Input 4 Ground 5 2 Data Port 6 2B Data Port 7 1S Control Input 8 Supply Voltage Control Input (S) Function LOW Disconnected HIGH Connected to B FS1259 / FS1259 Rev. 1.0.6 2
bsolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit Supply Voltage -0.5 7.0 V V SW Switch Voltage (1) -0.5 +-0.5 V Input Voltage (1) -0.5 6.5 V I IK Input Diode Current -50 m I SW Switch Current (Continuous) 200 m I SWPEK Peak Switch Current (Pulsed at 1ms Duration, <10% Duty Cycle) 400 m P D Power Dissipation at 85 C 3.0 µw T STG Storage Temperature Range -65 +150 C T J Maximum Junction Temperature +150 C T L Lead Temperature (Soldering, 10 seconds) +260 C Human Body Model (JEDEC: JESD22-114) 8000 V ESD Charged Device Model (JEDEC: JESD22-C101) 2000 V Machine Model (JEDEC: JESD22-115) 350 V Note: 1. The input and output negative ratings may be exceeded if the input and output diode current ratings are observed. Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to bsolute Maximum Ratings. Symbol Parameter Min. Max. Unit Supply Voltage 1.65 5.50 V SEL Control Input Voltage (2) 0 V V SW Switch Input Voltage 0 V T Operating Temperature -40 +85 C θ J Thermal Resistance, Still ir 215 C/W Note: 2. Control Input must be held HIGH or LOW; it must not float. FS1259 / FS1259 Rev. 1.0.6 3
Electrical Characteristics ll typical values are at 25 C unless otherwise specified. Symbol Parameter (V) Conditions V IH V IL I IN I NO(0FF) I NO(On) Input Voltage High (FS1259) Input Voltage High (FS1259) Input Voltage Low (FS1259) Input Voltage Low (FS1259) Control Input Leakage Off-Leakage Current On-Leakage Current of Port B T =+25 C T =-40 to +85 C Min. Typ. Max. Min. Max. 4.50 to 5.50 2.4 3.00 to 3.60 2.0 2.30 to 2.70 1.8 1.65 to 1.95 1.5 4.50 to 5.50 1.0 3.00 to 3.60 1.0 2.30 to 2.70 0.95 1.65 to 1.95 0.95 4.50 to 5.50 0.8 3.00 to 3.60 0.8 2.30 to 2.70 0.6 1.65 to 1.95 0.6 4.50 to 5.50 0.75 3.00 to 3.60 0.65 2.30 to 2.70 0.55 1.65 to 1.95 0.5 5.50 =0 or -10 10-50 50 3.60 =0 or -2 2-20 20 2.70 =0 or -2 2-20 20 1.95 =0 or -2 2-20 20 5.50 3.60 2.70 1.95 =1V, B=4.5V or B=4.5, =1V =1V, B=4.5V or B=4.5, =1V =0.5V, B=2.3V or B=2.3, =0.5V =0.3V, B=1.65V or B=1.65, =0.3V -10 10-50 50-5 5-50 50-5 5-50 50-5 5-50 50 5.50 =Floating; B=4.5V, 1V -5 5-50 50 3.60 =Floating; B=3.0V, 1V -2 2-20 20 2.70 =Floating; B=2.3V, 0.5V -2 2-20 20 Unit V V n n n 1.95 =Floating; B=1.65V, 0.3V -2 2-20 20 5.50 =1V, 4.5V; B=Floating -5 5-50 50 I (ON) On-Leakage Current of Port 3.60 =1V, 3.0V; B=Floating -2 2-20 20 2.70 =0.5V, 2.3; B=Floating -2 2-20 20 n 1.95 =0.3V, 1.65V; B=Floating -2 2-20 20 I OFF Power Off Leakage Current of Port & Port B 0 =0 to 5.5V; B=0 to 5.5V -1 1-10 10 µ FS1259 / FS1259 Rev. 1.0.6 4
Electrical Characteristics (Continued) ll typical values are at 25 C unless otherwise specified. Symbol Parameter (V) Conditions R PEK R ON R ON R FLT(ON) Peak On Resistance Switch On Resistance (3) On Resistance Matching Between Channels (4) On Resistance Flatness (5) 4.50 3.00 2.30 1.65 4.50 3.00 2.30 1.65 4.50 3.00 2.30 1.65 4.50 3.00 2.30 1.65 1B or 2B=0 to 1B or 2B=0 to I OUT=-8m, 1B or 2B=0 to T =+25 C T =-40 to +85 C Min. Typ. Max. Min. Max. 0.8 1.0 1.2 1.0 1.5 1.8 1.5 2.0 2.5 I OUT=-2m, 1B or 2B=0 T =25, 85 C 5.0 12.0 15.0 to T =-40 C 20.0 1B or 2B=2.5V 1B or 2B=2.0V I OUT=-8m, 1B or 2B=1.8V I OUT=-2m, 1B or 2B=1.5V 1B or 2B=2.5V 1B or 2B=2.0V I=-8m, 1B or 2B=1.8V I OUT=-2m 1B or 2B=1.5V 1B or 2B=1.0V, 1.5V, 2.5V 1B or 2B=0.8V, 2.0V I OUT=-8m, 1B or 2B=0.8V, 1.8V I OUT=-2m, 1B or 2B=0.6V, 1.5V 0.70 0.85 1.00 0.9 1.3 1.6 1.4 2.0 2.4 2.0 2.5 3.5 0.05 0.10 0.10 0.10 0.15 0.15 0.15 0.20 0.20 0.15 0.40 0.40 0.10 0.25 0.25 0.1 0.3 0.3 0.2 1.0 1.0 5.50 =0 or, I OUT=0 5 50 500 1.5 Unit Ω Ω Ω Ω I CC Quiescent Supply Current 3.60 =0 or, I OUT=0 1 25 300 2.70 =0 or, I OUT=0 1 20 250 n 1.95 =0 or, I OUT=0 1 15 150 I CCT Increase in I CC per Control Input 4.5 to 5.5 sel=1.8v 25 40 µ (FS1259) Notes: 3. On resistance is determined by the voltage drop between the and B pins at the indicated current through the switch. 4. R ON=R ON maximum R ON minimum; measured at identical, temperature, and voltage. 5. Flatness is defined as the difference between the maximum and minimum value of on resistance over the specified range of conditions. FS1259 / FS1259 Rev. 1.0.6 5
C Electrical Characteristics ll typical values are at =1.8V, 2.5V, 3.0V, 5.0V at 25 C unless otherwise specified. Symbol Parameter (V) Conditions t ON t OFF Q Turn-On Time Turn-Off Time (FS1259) Turn-Off Time (FS1259) Charge Injection T T =- =+25ºC 40to+85ºC Min. Typ. Max. Min. Max. 4.50 to 5.50 1.0 4.0 7.5 1.0 9.0 3.00 to 3.60 1B or 2B=, 1.5 6.0 9.5 1.0 10.0 R L=50Ω, 2.30 to 2.70 C L=35pF 2.0 8.0 10.0 1.0 12.0 1.65 to 1.95 3.0 14.0 18.0 1.0 20.0 4.50 to 5.50 4.5 6.5 11.0 3.5 13.0 3.00 to 3.60 1B or 2B=, 4.5 8.0 11.0 3.0 14.0 R L=50Ω, 2.30 to 2.70 C L=35pF 4.5 9.0 12.5 3.0 15.0 1.65 to 1.95 5.0 13.0 15.5 4.0 18.5 4.50 to 5.50 4.5 13.0 17.0 3.5 20.0 3.00 to 3.60 1B or 2B=, 4.5 13.5 17.0 3.0 20.0 R L=50Ω, 2.30 to 2.70 C L=35pF 4.5 16.0 20.0 3.0 23.0 1.65 to 1.95 OIRR Off-Isolation 1.8 to 5.0 Xtalk Crosstalk 1.8 to 5.0 BW THD -3db Bandwidth Total Harmonic Distortion 4.50 to 5.50 15 3.00 to 3.60 C L=1.0nF, V GEN=0V, 11 2.30 to 2.70 R GEN=0Ω 8 1.65 to 1.95 6 f=1mhz, R L=50Ω f=1mhz, R L=50Ω 4.50 to 5.50 240 3.00 to 3.60 R L=50Ω 240 2.30 to 2.70 240 1.65 to 1.95 240 5.0 24.0 33.0 4.0 36.0 Unit Figure ns Figure 11 ns Figure 11 ns Figure 11 pc Figure 13-60 db Figure 12-73 db Figure 12 MHz Figure 15 1.8 R L=600Ω,.003 Figure 16 =0.5V PP, % f=20hz to 5.0 20kHz.001 Figure 16 Capacitance Symbol Parameter (V) Conditions C IN Control Pin Input Capacitance 0 C OFF B Port Off Capacitance 1.65 to 5.50 C ON Port On Capacitance 1.65 to 5.50 f=1mhz Figure 14 f=1mhz Figure 14 f=1mhz Figure 14 T =+25ºC Min. Typ. Max. Unit 3 pf 21 pf 47 pf FS1259 / FS1259 Rev. 1.0.6 6
Typical Performance Characteristics R ON (Ohms) R ON (Ohms) Gain (db) 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 85 C 25 C -40 C 0.10-1.00 0.00 1.00 2.00 3.00 4.00 5.00 1.60 1.50 1.40 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 (V) R ON (Ohms) 1.40 1.30 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 85 C 25 C -40 C 0.40-1.00 0.00 1.00 2.00 3.00 4.00 (V) Figure 3. On Resistance (=4.5V) Figure 4. On Resistance (=3.0V) 0.40-0.50 0.00 0.50 1.00 1.50 2.00 2.50 3.00 0-1 -2-3 -4-5 -6-7 -8 (V) 85 C 25 C -40 C R ON (Ohms) 14.00 12.00 10.00 8.00 6.00 4.00 2.00 25 C 85 C 0.00-0.50 0.00 0.50 1.00 1.50 2.00 (V) Figure 5. On Resistance (=2.3V) Figure 6. On Resistance (=1.65V) 1 10 100 1000 10000 Frequency (MHz) Gain (db) 0-1 -2-3 -4-5 -6-7 -8-40 C 1 10 100 1000 10000 Frequency (MHz) Figure 7. Frequency Response (=5.5V, C L=0pF) Figure 8. Frequency Response (=3.3V, C L=0pF) 0.0040 Off Isolation (db) -10-30 -50-70 THD (%) 0.0035 0.0030 0.0025 0.0020 0.0015 0.0010 =1.8V =5.0V 0.0005-90 0 1 10 100 Frequency (MHz) 0.0000 10 100 1000 10000 Frequency (MHz) Figure 9. Frequency Response (=5.0V, C L=0pF) Figure 10. Total Harmonic Distortion FS1259 / FS1259 Rev. 1.0.6 7
Test Diagrams V B 1B or 2B S R L 50 C L includes fixture and stray capacitance. 0 or S 50 1B 10nF 2B C L 35pF Figure 11. Figure 12. Control Input Switch Output 0V 0V Turn On / Off Timing MES Network nalyzer 50 50 50 50 50% t ON t R = t F = 2.5ns t OFF 0.9 x 0.9 x Logic input waveforms inverted for switches that have the opposite logic sense. REF Off Isolation and Crosstalk OFF ISOLTION = 20log ON-LOSS = 20log CROSSTLK = 20log V GEN R GEN 1B or 2B C L Δ In S Off On Off Control Input In Off On Q = (Δ ) (C L ) Off Figure 13. Charge Injection FS1259 / FS1259 Rev. 1.0.6 8
Test Diagrams (Continued) Signal Generator 0dBm Logic Input 0V or 10nF B N S VCC Capacitance Meter f = 1MHz Figure 14. 50 10nF V+ 1B or 2B S 0V or On / Off Capacitance Measurement Setup nalyzer Signal Generator 0dBm Logic Input 0V or Figure 15. Bandwidth Figure 16. Harmonic Distortion 10nF B N S R L nalyzer FS1259 / FS1259 Rev. 1.0.6 9
Physical Dimensions 3.1±.1 PIN #1 IDENT. 0.90 MX 0.15 1.55 0.50TYP 8 0.10 0.00 0.17-0.27 0.13 B C. CONFORMS TO JEDEC REGISTRTION MO-187 B. DIMENSIONS RE IN MILLIMETERS. C. DIMENSIONS RE EXCLUSIVE OF BURRS, MOLD FLSH, ND TIE BR EXTRUSIONS. D. DIMENSIONS ND TOLERNCES PER NSI Y14.5M, 1982. 5 1 4 -B- -- LL LED TIPS 0.1 C 2.3±0.1 -C- 0.2 C B LL LED TIPS 0.70±0.10 0.70 1.00 0.5 TYP 0.4 TYP 0-8 1.80 DETIL DETIL 2.70 3.40 0.30 TYP 0.10-0.18 GGE PLNE 0.12 SETING PLNE MB08REVC Figure 17. 8-Lead US8, JEDEC MO-187, Variation C, 3.0mm Wide Package Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. lways visit Fairchild Semiconductor s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. FS1259 / FS1259 Rev. 1.0.6 10
FS1259 / FS1259 Rev. 1.0.6 11