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| Low Leakage Pico Amp Diodes CORPORATION PAD1 / PAD2 / PAD5 / PAD10 / PAD20 / PAD50 FEATURES DESCRIPTION Calogic's series of Pico Amp Diodes are an excellent choice for protection devices where ultra low leakage is critical and must be at a minimal measurement. These devices have a wide operating voltage range and are low capacitance for high speed switching requirements. Housed in a hermetic TO-18 package the product line is also available in chip form for hybrid uses. ORDERING INFORMATION Part Package Temperature Range -55oC to +150oC -55oC to +150oC PAD1-100 Hermetic TO-18 XPAD1-100 Sorted Chips in Carriers * Low Leakage . . . . . . . . . . . . . . . . . . . . . . . . . 1 pA (PAD1) * High .Breakdown.Range V min - 120 V max (PAD1, 2, 5) . . . . . . . . . . . . . . . . . -45 . . . . 0.8 pf 2, 5) * Low. Capacitance. .. .. .. .. .. .. .. .. .. .. . 2.0. pf. (PAD10, (PAD1, 100) ... .......... 20, 50, . . . . . . . . . . . . . . . . . . . . . . -35V min (PAD10, 20, 50, 100) * High Impedance Protection Devices * Fast Diode Switching * Clipping Circuits APPLICATIONS PIN CONFIGURATION ANODE CASE (CLIPPED) CATHODE BOTTOM VIEW 5007 SCHEMATIC DIAGRAM ANODE CATHODE A C PAD1 / PAD2 / PAD5 / PAD10 / PAD20 / PAD50 CORPORATION ABSOLUTE MAXIMUM RATINGS (25oC) Forward Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA Total Device Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mW Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC Lead Temperature (1/16" from case for 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300oC ELECTRICAL CHARACTERISTICS (25oC unless otherwise noted) SYMBOL STATIC -1 -2 -5 IR Reverse Current -10 -20 -50 -100 BVR VF DYNAMIC CR Capacitance 0.8 2 pF VR = -5 V, f = 1 MHz PAD1, 2, 5 PAD10, 20, 50, 100 Breakdown Voltage (Reverse) Forward Voltage Drop -45 -35 0.8 1.5 -120 V IR = -1A PAD10, 20, 50, 100 IF = 5 mA PAD1, 2, 5, 10, 20, 50, 100 pA VR = -20 V PAD1 PAD2 PAD5 PAD10 PAD20 PAD50 PAD100 PAD1, 2, 5 CHARACTERISTICS MIN TYP MAX UNIT TEST CONDITIONS IR < 1 pA PAD10 _ D1 D3 +15V D2 D4 -15V 1 + +V -V PAD1 + PAD1 J110 e in CONTROL SIGNAL J210 VOUT C APPLICATION Operational Amplifier Protection. Input Differential Voltage limited to 0.8 V (typ) by PADS D1 and D2 Common mode input voltage limited by PADS D3 and D4 to 15 V. Typical sample and hold circuit with clipping. PAD diodes reduce offset voltages fed capacitively from the FET switch gate. |
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