FEATURES
DIRECT REPLACEMENT FOR SILICONIX PAD SERIES
REVERSE BREAKDOWN VOLTAGE
BV
R
-30V
REVERSE CAPACITANCE
C
rss
2.0pF
ABSOLUTE MAXIMUM RATINGS
1
@ 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 (PAD)
300mW
Continuous Power Dissipation (J/SSTPAD)
350mW
Maximum Currents
Forward Current (PAD)
50mA
Forward Current (J/SSTPAD)
10mA
COMMON ELECTRICAL CHARACTERISTICS @ 25 C (unless otherwise stated)
SYMBOL
CHARACTERISTIC
MIN TYP MAX UNITS CONDITIONS
ALL PAD
-45
ALL SSTPAD
-30
BV
R
Reverse Breakdown
Voltage
ALL JPAD
-35
I
R
= -1A
V
F
Forward
Voltage
0.8
1.5
V
I
F
= 5mA
PAD1,5
0.5
0.8
C
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Total Reverse Capacitance
All Others
1.5
2
pF V
R
= -5V, f = 1MHz
SPECIFIC ELECTRICAL CHARACTERISTICS @ 25 C (unless otherwise stated)
SYMBOL CHARACTERISTIC
PAD
2
JPAD
2
SSTPAD
2
UNITS CONDITIONS
(SST/J)PAD1 -1
(SST/J)PAD2 -2
(SST/J)PAD5
-5 -5 -5
(SST/J)PAD10
-10 -10 -10
(SST/J)PAD20
-20 -20 -20
(SST/J)PAD50
-50 -50 -50
(SST/J)PAD100
-100 -100
(SST/J)PAD200
-200
I
R
Maximum Reverse
Leakage Current
2
(SST/J)PAD500
-500
pA V
R
= -20V
* Cathode tied to Case
PAD*
A
K*
1
2
BOTTOM VIEW
TO-72
SSTPAD
1
2
3
SOT-23
TOP VIEW
K
A
K
JPAD
TO-92
BOTTOM VIEW
1
2
K
A
PAD1,2,5
A
K
C
1
3
2
BOTTOM VIEW
TO-72
Linear Integrated Systems
PAD SERIES
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
Input Differential Voltage limited to 0.8V (typ) by JPADs D
1
and D
2
. Common
Mode Input voltage limited by JPADs D
3
and D
4
to 15V.
Figure 2. Sample and Hold Circuit
Typical Sample and Hold circuit with clipping. JPAD diodes reduce offset
voltages fed capacitively from the JFET switch gate.
FIGURE 1
FIGURE 2
2N4117A
R
2N4393
-V
+V
V
OUT
D2
D1
C
JPAD5
CONTROL
SIGNAL
e
in
+V
-15V
+15V
OP-27
D1
D2
D3
D4
+
-
JPAD20
1
2
3
SOT-23
DIMENSIONS IN
MILLIMETERS
0.89
1.03
1.78
2.05
1.20
1.40
2.10
2.64
0.37
0.51
2.80
3.04
0.89
1.12
0.013
0.100
0.085
0.180
0.55
1
2
LS XXX
YYWW
0.170
0.195
0.500
0.610
0.016
0.022
0.095
0.105
0.175
0.195
0.130
0.155
0.045
0.060
0.014
0.020
TO-92
DIMENSIONS
IN INCHES.
TO-72
Three Lead
0.230
0.209
DIA.
DIA.
0.195
0.175
0.030
MAX.
0.500 MIN.
0.150
0.115
0.019
0.016
DIA.
3 LEADS
1
2
0.046
0.036
45
0.048
0.028
0.100
0.050
3
Linear Integrated Systems
4042 Clipper Court Fremont, CA 94538 Tel: 510 490-9160 Fax: 510 353-0261
1.
Absolute maximum ratings are limiting values above which serviceability may be impaired.
2.
The PAD type number denotes its maximum reverse current value in pico amperes. Devices with I
R
values intermediate to those shown
are available upon request.
Information furnished by Linear Integrated Systems is believed to be accurate and reliable. However, no responsibility is assumed for its
use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implicatio
otherwise under any patent or patent rights of Linear Integrated Systems.
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