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PS381CSE Datasheet

  • PS381CSE

  • Precision, 17V Analog Switches

  • 9頁

  • PERICOM   PERICOM

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PS381/PS383/PS385
Precision, 17V Analog Switches
Features
鈥?Low On-Resistance (16鈩?typ) Minimizes Distortion
and Error Voltages
鈥?Low Glitching Reduces Step Errors in Sample-and-Holds.
Charge Injection, 3pC typ
鈥?Single Supply (+3V to +15V) or Split-Supply
(+3V to +8V) Operation
鈥?Improved Second Sources for MAX381/MAX383/MAX385
鈥?On-Resistance Matching Between Channels, 0.2
鈩?/div>
typ
鈥?On-Resistance Flatness, 1鈩?typ
鈥?Low Off-Channel Leakage, <2.5nA @ +85oC
鈥?TTL/CMOS Logic Compatible
鈥?Rail-to-Rail Analog Signal Dynamic Range
鈥?Low Power Consumption <1碌A
Description
The PS381/PS383/PS385 are improved high precision, medium
voltage analog switches designed to operate with +3V to +8V
power supplies.
The PS381 has two normally open (NO) switches. The PS383 is a
dual, single-pole double-throw (SPDT) switch. The PS385 is a
dual, double-pole single-throw (DPST) function. Each switch
conducts current equally well in either direction when on. In the off
state each switch blocks voltages up to the power-supply rails.
With 鹵5V power supplies, the PS381/PS383/PS385 guarantee
<30鈩?on-resistance. On-resistance matching between channels is
within 2鈩? On-resistance flatness is less than 4鈩?over the specified
range. All three devices feature low leakage currents (<2 pA @
25oC, <2.5nA @ +85oC) and fast switching speeds (tON < 130ns).
Break-before-make switching action protects against momentary
crosstalk (PS383).
These switches are fully specified for single +5V operation,
with <45鈩?R
ON
, <2鈩?R
ON
match, and <4鈩?R
ON
flatness.
For operation below 5V the PI5A381A/PI5A383A/PI5A385A
are also recommended.
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Instrumentation, ATE
Sample-and-Holds
Audio Switching and Routing
Telecommunication Systems
PBX, PABX
Battery-Powered Systems
Functional Diagrams, Pin Configurations, and Truth Tables
COM1
N.C.
N.C.
N.C.
N.C
N.C.
N.C.
COM2
1
2
3
4
5
6
7
8
PS381
16 NO1
15 IN1
14 V-
13 GND
12 N.C.
11 V+
10 IN2
9 NO2
COM1
N.C.
COM3
NC3
NC4
COM4
N.C.
COM2
1
2
3
4
5
6
7
8
PS383
16 NO1
15 IN1
14 V-
13 GND
12 N.C.
11 V+
10 IN2
9 NO2
COM1
N.C.
COM3
NO3
NO4
COM4
N.C.
COM2
1
2
3
4
5
6
7
8
PS385
16 NO1
15 IN1
14 V-
13 GND
12 N.C.
11 V+
10 IN2
9 NO2
Top View
N.C = No Connect.
.
PS381
Logic
Switch
Logic
0
1
Top View
Switches shown for logic 鈥?鈥?input
PS383
SW3, SW4
ON
O FF
SW1, SW2
O FF
ON
Top View
PS385
Logic
0
1
Switch
O FF
ON
0
1
O FF
ON
For free samples and the latest literature:
www.pericom.com,
or phone
1-800-435-2336
1
PS8186A
07/15/98

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