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參數資料
| 型號： | PS320CSA |
| 英文描述： | SPST Analog Switch |
| 中文描述： | SPST模擬開關 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 102K |
| 代理商： | PS320CSA |
1
PS8183D 01/11/01
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Precision, Dual-Supply Analog Switches
Features
Low On-Resistance (17W typ.) Minimizes Distortion and
Error Voltages
Low Glitching Reduces Step Errors in Sample-and-Holds
Split-Supply Operation (±3V to ±8V)
Improved Second Sources for MAX320/MAX321/MAX322
On-Resistance Matching Between Channels, 0.2
typ.
On-Resistance Flatness, <2
typ.
Low Off-Channel Leakage, <5nA @ +85°C
TTL/CMOS Logic Compatible
Fast Switching Speed, t
ON
<150ns
Guaranteed Break-Before-Make action (PS322) eliminates
momentary crosstalk
Rail-to-Rail Analog Signal Dynamic Range
Low Power Consumption, <1.25mW
MSOP Package Minimizes Board Area
Applications
Audio Switching and Routing
Portable Instruments
Data Acquisition Systems
·Sample-and-Holds
Telecommunication Systems
Battery-Powered Systems
Switches shown for logic “0” input
Top View
Functional Diagrams, Pin Configurations, and Truth Tables
Top View
Top View
Description
The PS320/PS321/PS322 are improved high-precision, medium volt-
age analog switches designed to operate with +3V to +8V power
supplies. The PS320 is a dual, single-pole single-throw (SPST),
normally open (NO) switch. The PS321 has the same pinout as the
PS320 but it has two normally closed (NC) switches. The PS322 has
one normally open (NO) and one normally closed (NC) switch per
package. When on, each switch conducts current equally well in
either direction. In the off state, each switch blocks voltages up to
the power-supply rails.
With ±5V power supplies, the PS320/PS321/PS322 guarantee
<35
ON-resistance. ON-resistance matching between channels is
within 2
. ON-resistance flatness is less than 4
over the specified
range. All three devices guarantee low leakage currents (<100pA
@25°C, <10nA @+85°C) and fast switching speeds (t
ON
<150ns). Break-before-make switching action protects against
momentary crosstalk (PS322).
For single-supply operation the PS323/PS324/PS325 are recom-
mended.
6
7
8
5
1
2
3
4
NC1
COM1
IN2
V-
V+
COM2
NC2
IN1
PS321
6
7
8
5
1
2
3
4
N01
COM1
IN2
V-
V+
COM2
NC2
IN1
PS322
6
7
8
5
1
2
3
4
NO1
COM1
IN2
V-
V+
COM2
NO2
IN1
PS320
0
2
3
S
P
c
o
L
h
c
w
S
0
1
F
F
N
O
O
1
2
3
S
P
c
o
L
h
c
w
S
0
1
N
F
O
O
F
2
2
3
S
P
c
o
L
h
c
w
S
1
h
c
w
S
2
0
1
F
F
N
O
O
N
F
O
O
F
相關PDF資料 |
PDF描述 |
|---|---|
| PS320CUA | SPST Analog Switch |
| PS320EPA | SPST Analog Switch |
| PS320ESA | SPST Analog Switch |
| PS321CPA | SPST Analog Switch |
| PS321CSA | SPST Analog Switch |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PS320CSASC | 制造商: 功能描述:320CSASC |
| PS320CUA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPST Analog Switch |
| PS320CUAEX | 功能描述:模擬開關 IC Dual SPST 17V Analog Switch RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| PS320EPA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPST Analog Switch |
| PS320ESA | 功能描述:IC SWITCH DUAL SPST 8SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 標準包裝:48 系列:- 功能:開關 電路:4 x SPST - NO 導通狀態電阻:100 歐姆 電壓電源:單/雙電源 電壓 - 電源，單路/雙路(±):2 V ~ 12 V，±2 V ~ 6 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC 包裝:管件 |
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