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参数资料
| 型号： | PS394EWP |
| 厂商： | PERICOM SEMICONDUCTOR CORP |
| 元件分类： | 多路复用及模拟开关 |
| 英文描述： | QUAD 1-CHANNEL, SGL POLE DOUBLE THROW SWITCH, PDSO20 |
| 封装： | SOIC-20 |
| 文件页数： | 1/8页 |
| 文件大小： | 179K |
| 代理商： | PS394EWP |
1
PS8444B
11/12/02
Features
Low ON-Resistance (35 ohms max.) Minimizes Distortion
and Error Voltages
10pC Max. Charge Injection Reduces Step Error
Dual-Supply Operation (±2.7V to ±8V)
Single-Supply Operation (+2.7V to +15V)
On-Resistance Matching Between Channels: <6 ohms
On-Resistance Flatness: 10 ohms (max.)
TTL/CMOS Logic Compatible (with +5V or ±5V supplies)
Break-Before-Make Action Eliminates Momentary Crosstalk
Rail-to-Rail Analog Signal Range
Pin Compatible with MAX394
Packaging: 20-pin SOIC (S)
Applications
Data Acquisition Systems
Audio Switching and Routing
Test Equipment
PBX, PABX
Telecommunication Systems
Battery-Powered Systems
Description
The PS394 is a precision, low-voltage, quad, single-pole/double-
throw (SPDT) analog switch. The four independent switches oper-
ate with bipolar supplies ranging from ±2.7V to ±8V, or with a single
supply of +2.7V to +15V. The PS394 offers low ON-resistance (less
than 35 ohms), guaranteed to match within 6ohms between channels
and to remain flat over the analog signal range (10 ohms max.). It also
offers break-before-make switching (10ns typical), with turn-off
times less than 75ns and turn-on times less than 130ns. The PS394
is ideal for portable operation since quiescent current runs less than
1A with all inputs high or low.
This monolithic, quad switch is fabricated using Pericom’s 17V
silicon-gate process. Design improvements guarantee extremely
low charge injection and low power consumption (10W).
Logic Inputs are TTL and CMOS compatible and guaranteed over
a+0.8Vto+2.4Vrange.Logicinputsandswitchedanalogsignalscan
range anywhere between the supply voltages without damage.
Pin Configuration
IN1
NO1
COM1
NC1
V-
GND
NC2
COM2
NO2
IN2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IN4
NO4
COM4
NC4
V+
N.C.
NC3
COM3
NO3
IN3
Pin Description
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4
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1
M
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4
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.
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.
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PS394
17V, Quad, SPDT CMOS
Analog Switch
Switches are shown with logic “0” input.
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