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| LH1541AT1/AAB1/AAB1TR 1 Form A Solid State Relay (Low Capacitance) FEATURES * Low Capacitance Switch (5.0 pF) * l/O Isolation, 5300 VRMS * Extremely High OFF-resistance (100 T) * Load Voltage 350 V * Linear, AC/DC Operation * Clean Bounce Free Switching * Low Power Consumption * High Reliability Monolithic Receptor AGENCY APPROVALS * * * * * UL - File No. E52744 CSA - Certification 093751 BSI/BABT Cert. No. 7980 VDE 0884 Approval FIMKO Approval Package Dimensions in Inches (mm) DIP Pin One ID. 3 .256 (6.50) .248 (6.30) 4 5 6 2 1 S 6 DC 5 S' 4 S S' 1 2 3 .343 (8.70) .335 (8.50) .039 (1.00) Min. 4 Typ. .020 (.051) Min. .022 (0.55) .018 (0.45) .035 (0.90) .031 (0.80) .100 (2.54) Typ. .300 (7.62) Typ. .150 (3.81) .130 (3.30) 18 Typ. .014 (.35) .010 (.25) .347 (8.82) .300 (7.62) .150 (3.81) .110 (2.79) APPLICATIONS * Instrumentation - Thermocouple Switching - Analog Multiplexing * Reed Relay Replacement * Programmable Logic Controllers * Data Acquisition * Test Equipment DESCRIPTION These SSRs (LH1541, 1 Form A) are SPST normally open switches which can replace electromechanical relays in many applications. The relays provide a lowcapacitance, high-voltage switch contact with high offresistance and low switch-offset voltage. These characteristics, combined with high-speed actuation, result in an SSR which is ideal for small signal and dc instrumentation applications. The relays are constructed by using a GaAlAs LED for actuation control and an integrated monolithic die for the switch output. The die is comprised of a photodiode array, switch-control circuity, and low-capacitance MOSFET switches. SMD .343 (8.71) .335 (8.51) Pin one I.D. .256 (6.50) .248 (6.30) .050 (1.27) typ. .052 (1.33) .048 (1.22) .150 (3.81) .130 (3.30) .0098 (.25) .0040 (.10) .040 (1.016) .020 (0.508) .395 (10.03) .375 (9.63) .300 (7.62) typ. .039 (0.99) min. 3 to 7 18 .012 (0.31) .008 (0.20) 4 .100 (2.54) .315 (8.00) min. Part Identification Part Number LH1541AT1 LH1541AAB1 LH1541AAB1TR Description 6-pin DIP, Tubes 6-pin SMD, Gullwing, Tubes 6-pin SMD, Gullwing, Tape and Reel Document Number: 83834 Revision 17-August-01 www.vishay.com 3-159 Recommended Operating Conditions 50 40 30 20 10 0 -40 IFon = 2.0 mA IFon = 3.0 mA IFon = 4.0 mA IFon = 5.0 to 20 mA Absolute Maximum Ratings, TA=25C Stresses in excess of the absolute Maximum Ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute Maximum Ratings for extended periods of time can adversely affect reliability. Load Current (mA) -20 0 20 40 60 Ambient Temperature (C) 80 Ambient Temperature Range (TA) .................................... -40 to +85C Storage Temperature Range (Tstg) ................................. -40 to +150C Pin Soldering Temperature (t=10 s max) (TS) ............................. 260C Input/Output Isolation Voltage (VRMS t=1.0 s, IISO=10 A max) (VISO) .............................. 5300 VRMS LED Continuous Forward Current (IF) .........................................50 mA LED Reverse Voltage (IR10 A) (VR)........................................... 8.0 V DC or Peak AC Load Voltage (IL50 A) (VL) .............................. 200 V Continuous DC Load Current (IL) Bidirectional Operation..............................................................55 mA Unidirectional Operation............................................................ -- mA Peak Load Current (t=100 ms) (single shot) (IP) ......................100 mA Output Power Dissipation (continuous) (PDISS)........................ 550 mW Electrical Characteristics, TA=25C Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are the result of engineering evaluations. Typical values are for information only and are not part of the testing requirements. Parameter Input LED Forward Current, Switch Turn-on LED Forward Current, Switch Turn-off LED Forward Voltage Output ON-resistance ac/dc: Pin 4 () to 6 () dc: Pin 4, 6 (+) to 5 () OFF-resistance Off-state Leakage Current IFon IFoff VF -- 0.1 1.10* 0.6 0.5 1.19* 2.0 -- 1.45* mA mA V IL=100 mA, t=10 ms VL150 V IF=10 mA IF=5.0 mA, IL=50 mA IF=5.0 mA, IL=100 mA G nA A pF IF=0 mA, VL=100 V IF=0 mA, VL=100 V IF=0 mA, VL=200 V IF=0 mA, VL=1.0 V IF=0 mA, VL=50 V V IF=5.0 mA VISO=1.0 V IF=5.0 mA, IL=50 mA IF=5.0 mA, IL=50 mA Sym. Min. Typ. Max. Units Test Conditions RON 70 -- 110 -- 10000 0.4 -- 4.8 36 0.15 160 -- -- 200 1.0 -- -- -- ROFF -- 0.5 -- -- Output Capacitance Pin 4 to 6 Switch Offset Transfer Input/Output Capacitance Turn-on Time Turn-off Time * IF=5.0 mA -- -- -- -- -- CISO ton toff -- -- -- 0.8 0.12 0.3 -- 0.25 0.25 pF ms ms Document Number: 83834 Revision 17-August-01 www.vishay.com 3-160 Typical Performance Characteristics Figure 1. LED Voltage vs. Temperature 1.6 LED Forward Current for Switch Turn-on (%), Normalized to 25C Figure 4. LED Current for Switch Turn-on vs. Temperature 160 150 120 90 60 30 0 -30 -60 -40 -20 0 20 40 60 80 IL= 50 mA 1.5 LED Forward Voltage (V) 1.4 1.3 1.2 1.1 IF=1.0 mA IF=2.0 mA IF=5.0 mA IF=10 mA -20 IF=20 mA IF=50 mA 1.0 -40 0 20 40 60 Ambient Temperature (C) 80 Ambient Temperature (C) Figure 2. Current Limit vs. Temperature 40 IF= 5.0 mA t = 5.0 ms VL= SEE ELEC. CHAR. Figure 5. On-resistance vs. Temperature 50 40 Change in ON-resistance (%) Normalized to 25 C 30 20 10 0 -10 -20 -30 IL= 50 mA Change in Current Limit (%) Normalized to 25C 30 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 -40 -40 -20 0 20 40 60 80 Ambient Temperature (C) Ambient Temperature (C) Figure 3. LED Dropout Voltage vs. Temperature 1.20 IL= 100 mA LED Forward Voltage (V) 1.15 TYP. Figure 6. Switch Capacitance vs. Applied Voltage 6.0 5.0 Capacitance (pF) 4.0 3.0 2.0 1.0 0.0 0 10 20 30 40 50 60 70 80 90 100 Applied Voltage (V) 1.10 MIN. 1.05 1.00 0.95 -40 -20 0 20 40 60 80 Ambient Temperature (C) Document Number: 83834 Revision 17-August-01 www.vishay.com 3-161 Figure 7. Insertion Loss vs. Frequency 2.00 1.75 1.50 Insertion Loss (dB) 1.25 1.00 0.75 0.50 0.25 0 102 103 Frequency (Hz) 104 105 RL= 600 Figure 10. Switch Offset Voltage vs. Temperature 3.5 IF= 5.0 mA 3.0 Switch Offset Voltage (V) 2.5 2.0 1.5 1.0 0.5 0 20 30 40 50 60 70 80 90 Ambient Temperature (C) Figure 8. Leakage Current vs. Applied Voltage 100 Off-state Leakage Current (pA) 90 80 70 60 50 40 30 20 10 0 0 50 100 150 200 250 300 350 400 Figure 11. Leakage Current vs. Applied Voltage at Elevated Temperatures 270 Off-state Leakage Current (pA) 240 210 180 150 120 90 60 30 0 0 20 40 60 80 100 120 140 160 180 200 Load Voltage (V) 50C 70C IF= 0 mA TA= 25 C 85C Load Voltage (V) Figure 9. Output Isolation 100 80 Figure 12. Switch Breakdown Voltage vs. Temperature 8 Change in Breakdown Voltage (%) Normalized to 25C 104 105 106 107 6 4 2 0 -2 -4 -6 -8 -10 -40 -20 0 20 40 60 80 Isolation (dB) 60 VP=10 V RL=50 40 20 0 102 103 Frequency (Hz) Ambient Temperature (C) Document Number: 83834 Revision 17-August-01 www.vishay.com 3-162 Figure 13. Switch Offset Voltage vs. LED Current 0.6 0.5 0.4 0.3 0.2 0.1 0 0 5 10 15 20 25 LED Forward Current (mA) Figure 16. Turn-on Time vs. LED Current 1.50 1.25 Turn-on Time (ms) Switch Offset Voltage (V) 1.00 0.75 +85C +25C -40C 0.50 0.25 0 0 5 10 15 20 LED Forward Current (mA) Figure 14. Turn-on Time vs. Temperature 70 60 Change in Turn-on Time (%) Normalized to 25C 50 40 30 20 10 0 -10 -20 -30 -40 -40 -20 0 20 40 60 80 Ambient Temperature (C) IF= 5.0 mA IL= 50 mA Figure 17. Turn-off Time vs. LED Current 40 -40C 30 Turn-on Time (ms) +85C +25C 20 10 0 0 10 20 30 40 50 LED Forward Current (mA) Figure 15. Turn-off Time vs. Temperature 160 140 Change in Turn-off Time (%) Normalized to 25C 120 100 80 60 40 20 0 -20 -40 -60 -80 -40 IF= 5.0 mA IL= 50 mA -20 0 20 40 60 80 Ambient Temperature (C) Document Number: 83834 Revision 17-August-01 www.vishay.com 3-163 |
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