DPAD LINEAR | Alldatasheet

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Technical content

FEATURES

Direct Replacement For SILICONIX DPAD SERIES HIGH ON ISOLATION 20fA EXCELLENT CAPACITANCE MATCHING ∆CR ≤ 0.2pF ABSOLUTE MAXIMUM RATINGS1 @ 25 °C (unless otherwise stated) Maximum Temperatures Storage Temperature -65 to +150 °C Operating Junction Temperature -55 to +135 °C Maximum Power Dissipation Continuous Power Dissipation (DPAD) 500mW Maximum Currents Forward Current (DPAD) 50mA COMMON ELECTRICAL CHARACTERISTICS @ 25 °C (unless otherwise stated) SYMBOL CHARACTERISTIC MIN TYP MAX UNITS CONDITIONS DPAD1 -45 DPAD2,5,10,20,50,100 -45 BVR Reverse Breakdown Voltage SSTDPAD5,50,100 -30 IR = -1µA VF Forward Voltage 0.8 1.5 V IF = 1mA DPAD1 0.2 |CR1-CR2| Differential Capacitance (∆CR) ALL OTHERS 0.5 VR1 = VR2 = -5V, f = 1MHz DPAD1 0.8 DPAD2,5,10,20,50,100 2.0 Crss Total Reverse Capacitance SSTDPAD5,50,100 4.0 pF VR = -5V, f = 1MHz SPECIFIC ELECTRICAL CHARACTERISTICS @ 25 °C (unless otherwise stated) SYMBOL CHARACTERISTIC DPAD2 SSTDPAD2 UNITS CONDITIONS (SST)DPAD1 -1 (SST)DPAD2 -2 (SST)DPAD5 -5 -5 (SST)DPAD10 -10 (SST)DPAD20 -20 (SST)DPAD50 -50 -50 IR Maximum Reverse Leakage Current2 (SST)DPAD100 -100 -100 pA VR = -20V SSTDPAD SO IC NC NC DPAD1 BOTTOM VIEW TO-78 C DPAD BOTTOM VIEW TO-72 Linear Integrated Systems DPAD SERIES MONOLITHIC DUAL PICO AMPERE DIODES Linear Integrated Systems • 4042 Clipper Court • Fremont, CA 94538 • Tel: 510 490-9160 • Fax: 510 353-0261

Figure 1. Operational Amplifier Protection Mode Input voltage limited by DPADs D3 and D4 to ±15V. Figure 2. Sample and Hold Circuit voltages fed capacitively from the JFET switch gate.

4 LEADS

  1. Absolute maximum ratings are limiting values above which serviceability may be impaired.
  2. The DPAD type number denotes its maximum reverse current value in pico amperes. Devices with IR values intermediate to those

shown are available upon request. otherwise under any patent or patent rights of Linear Integrated Systems.