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Amp Diodes. PAD5 Datasheet |
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CORPORATION
Low Leakage
Pico Amp Diodes
PAD1 / PAD2 / PAD5 / PAD10 / PAD20 / PAD50
FEATURES
Low Leakage . . . . . . . . . . . . . . . . . . . . . . . . . 1 pA (PAD1)
•• High Breakdown Range
. . . . . . . . . . . . . . . . . . . -45 V min - 120 V max (PAD1, 2, 5)
. . . . . . . . . . . . . . . . . . . . . . -35V min (PAD10, 20, 50, 100)
• Low Capacitance . . . . . . . . . . . . . . . . . 0.8 pf (PAD1, 2, 5)
. . . . . . . . . . . . . . . . . . . . . . . . . 2.0 pf (PAD10, 20, 50, 100)
APPLICATIONS
High Impedance Protection Devices
• Fast Diode Switching
•• Clipping Circuits
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
PAD1-100 Hermetic TO-18
XPAD1-100 Sorted Chips in Carriers
Temperature Range
-55oC to +150oC
-55oC to +150oC
PIN CONFIGURATION
ANODE
CASE
(CLIPPED)
CATHODE
BOTTOM VIEW
5007
SCHEMATIC DIAGRAM
ANODE
CATHODE
A
C
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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
CHARACTERISTICS
IR Reverse Current
BVR Breakdown Voltage (Reverse)
VF Forward Voltage Drop
DYNAMIC
CR Capacitance
MIN TYP MAX
-1
-2
-5
-10
-20
-50
-100
-45 -120
-35
0.8 1.5
0.8
2
UNIT
TEST CONDITIONS
pA VR = -20 V
IR = -1µA
V
IF = 5 mA
PAD1
PAD2
PAD5
PAD10
PAD20
PAD50
PAD100
PAD1, 2, 5
PAD10, 20, 50, 100
PAD1, 2, 5, 10, 20, 50, 100
PAD1, 2, 5
pF VR = -5 V, f = 1 MHz
PAD10, 20, 50, 100
D1
D3
+15V
PAD10
_
D2 1
+
D4
-15V
IR < 1 pA +V
PAD1
-V
PAD1
J110
e in
CONTROL SIGNAL
C
+
J210
VOUT
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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