LSDPAD2
LSDPAD2 is Dual PicoAmp Diodes manufactured by Micross.
LSDPAD2 LOW LEAKAGE PICO-AMP DUAL DIODE
Linear Systems replaces discontinued Siliconix LSDPAD2
The LSDPAD2 is a low leakage Monolithic Dual Pico-Amp Diode
The LSDPAD2 extremely low-leakage monolithic dual diode provides a superior alternative to conventional diode technology when reverse current (leakage) must be minimized. In addition the monolithic dual construction allows excellent capacitance matching per diode. The LSDPAD2 Features a leakage current of -2 p A and is well suited for use in applications such as input protection for operational amplifiers. Features
DIRECT REPLACEMENT FOR SILICONIX LSDPAD2 HIGH ON ISOLATION EXCELLENT CAPACITANCE MATCHING ULTRALOW LEAKAGE REVERSE BREAKDOWN VOLTAGE REVERSE CAPACITANCE ABSOLUTE MAXIMUM RATINGS @ 25°C (unless otherwise noted) Maximum Temperatures Storage Temperature Operating Junction Temperature Maximum Power Dissipation Continuous Power Dissipation MAXIMUM CURRENT Forward Current (Note 1)
20f A ∆CR ≤ 0.5p F ≤ 2 p A BVR ≥ ‐45V Crss ≤ 2.0p F
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LSDPAD2 Benefits:
- -
- Negligible Circuit Leakage Contribution Circuit “Transparent” Except to Shunt High-Frequency Spikes Simplicity of Operation
‐65°C to +150°C ‐55°C to +135°C 500m W 50m A
LSDPAD2 Applications:
- - Op Amp Input Protection Multiplexer Overvoltage Protection
LSDPAD2 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTICS MIN. TYP. BVR Reverse Breakdown Voltage ‐45 ‐‐ VF Forward Voltage ‐‐ 0.8 Cr SS Total Reverse Capacitance ‐‐ ‐‐ |CR1‐CR2| Differential Capacitance (∆CR) ‐‐ ‐‐ IR Maximum Reverse Leakage Current ‐‐ ‐‐
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MAX. ‐‐ 1.5 2.0 0.5 ‐2 UNITS V V p F p F p A TO-72 (Bottom View)
CONDITIONS IR = ‐1µA IF = 1m A VR = ‐5V, f = 1MHz VR1 = VR2 = ‐5V, f = 1MHz VR = ‐ 20V
Notes: 1....
