DPAD250 [CALOGIC]
Dual Pico Amp Diodes; 双微微安培二极管型号: | DPAD250 |
厂家: | CALOGIC, LLC |
描述: | Dual Pico Amp Diodes |
文件: | 总2页 (文件大小:36K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Dual Pico Amp Diodes
CORPORATION
DPAD1 / DPAD2 / DPAD5 / DPAD10 / DPAD20 / DPAD50 / DPAD100
SSTDPAD5 / SSTDPAD10 / SSTDPAD20 / SSTDPAD50 / SSTDPAD100
FEATURES
DESCRIPTION
High OFF Isolation. . . . . . . . . . . . . . . . . 1 pA max DPAD1
Excellent Isolation between diodes. . . . . . Typical 20 fA
Matched Capacitance
Calogic’s ultra low leakage dual pico amp diodes out perform
conventional diodes for applications where reverse current
(leakage) is critical and must be kept at a minimum. The
devices have very low capacitance and are also fast
switching. Housed in a compact dual hermetic package and a
plastic surface mount SO-8 this product is also available in
chip form for hybrid uses.
•
•
•
APPLICATIONS
Op Amp Protection Devices
Diode Switching
High Impedance Protection
•
•
•
ORDERING INFORMATION
Part
Package
Temperature Range
DPAD1
DPAD2/50
SSTDPAD5/100 Plastic SO-8
XDPAD5/100
Hermetic TO-78
Hermetic TO-71
-55 to +150oC
-55 to +150oC
-55 to +150oC
Sorted Chips in Carriers -55 to +150oC
PIN CONFIGURATION
N/C
A2
TO-71
TO-78
(MODIFIED)
(DPAD1 ONLY)
(MODIFIED)
(PINS 2 AND
6 REMOVED)
C2
C2
C1
C1
A1
SO-8
N/C
A
A
C
C
2
2
2
2
A
C
C
1
1
C
A
1
1
C
C
2
2
CASE
C
3
4
3
2
2
A
A
2
A
A
1
2
1
4
5
1
1
C
C
1
1
CJ1, CJ2, CJ4
BOTTOM VIEW
(ALTERNATE)
BOTTOM VIEW
SCHEMATIC DIAGRAM
A
C
C
A
DPAD1 / DPAD2 / DPAD5 / DPAD10 / DPAD20 / DPAD50 / DPAD100
SSTDPAD5 / SSTDPAD10 / SSTDPAD20 / SSTDPAD50 / SSTDPAD100
CORPORATION
ABSOLUTE MAXIMUM RATINGS (25oC)
Forward Gate Current, Each Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Total Device Dissipation @ TA = 25oC
Derate 4.0 mW/ oC to 125oC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 mW
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125oC
Lead Temperature (1/16" from case for 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300oC
ELECTRICAL CHARACTERISTICS (25oC unless otherwise noted)
SYMBOL
STATIC
CHARACTERISTICS
MIN
TYP
MAX
UNIT
TEST CONDITIONS
-1
-2
DPAD1
DPAD2
-5
DPAD5
IR
Reverse Current
pA
VR = -20 V
-10
-20
-50
-100
-120
DPAD10
DPAD20
DPAD50
DPAD100
DPAD1, 2, 5
-45
-35
BVR
Breakdown Voltage (Reverse)
Forward Voltage Drop
IR = -1µA
V
DPAD10, 20, 50, 100
VF
0.8
0.1
1.5
IF = 5 mA
DPAD1, 2, 5, 10, 20, 50, 100
DYNAMIC
0.8
2.0
0.2
DPAD1, 2, 5
CR
Capacitance
pF
pF
VR = -5 V, f = 1 MHz
DPAD10, 20, 50, 100
| CR1 - CR2 | Differential Capacitance
VR1 = VR2 = -5 V, f = 1 MHz DPAD1, 2, 5, 10, 20, 50, 100
-V
+V
+
IR < 1 pA
DPAD1
DPAD10
_
DPAD1
J210
VOUT
D1
D2
1
+
J110
ein
D4
D3
C
CONTROL SIGNAL
-15V
+15V
APPLICATION
Operational Amplifier Protection. Input Differential Voltage
limited to 0.8 V (typ) by DPADS D1 and D2 Common mode
input voltage limited by DPADS D3 and D4 to ±15V.
Typical sample and hold circuit with clipping, DPAD diodes
reduce offset voltages fed capacitively from the FET switch
gate.
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