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TS941A

更新时间: 2024-11-24 01:23:19
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意法半导体 - STMICROELECTRONICS /
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描述
Output rail-to-rail micropower operational amplifiers

TS941A 数据手册

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TS94x, TS94xA, TS94xB  
Output rail-to-rail micropower operational amplifiers  
Features  
TS941ILT  
Rail-to-rail output voltage swing  
Micropower consumption (1.2 µA)  
Single supply operation (2.5 V to 10 V)  
CMOS inputs  
Output  
V
CC  
5
1
V
2
DD  
3
Inverting input  
Non-inverting input  
4
Ultra low input bias current (1 pA)  
ESD protection (2 kV)  
TS941ID-TS941IDT  
Latch-up immunity (class A)  
Available in SOT23-5 micropackage  
N.C.  
8
7
6
5
N.C.  
1
2
3
4
V
Inverting Input 1  
-
CC  
+
Non-inverting Input 1  
Output 2  
Applications  
N.C.  
V
DD  
Battery-powered systems (alarm)  
Portable communication systems (pagers)  
Smoke/gas/fire detectors  
TS942ID-TS942IDT-TS942IPT  
V
Output 1  
1
2
3
4
8
7
6
5
CC  
Instrumentation and sensoring  
PH meter  
Inverting Input 1  
Output 2  
-
+
-
Non-inverting Input 1  
Inverting Input 2  
Non-inverting Input 2  
+
V
DD  
Description  
TS944ID-TS944IDT-TS944IPT  
The TS94x (single, dual and quad) series are  
operational amplifiers characterized for 2.5 V to  
10 V operation over a -40° C to +85° C  
temperature range.  
14 Output 4  
Output 1  
Inverting Input 1  
Non-inverting Input 1  
VCC  
1
2
3
4
5
6
7
13 Inverting Input 4  
12 Non-inverting Input 4  
11 VDD  
-
-
+
+
They exhibit excellent consumption -1.2 µA, while  
featuring 10 kHz gain bandwidth product, 1.5 mA  
output capability and output rail-to-rail operation  
10 Non-inverting Input 3  
Non-inverting Input 2  
Inverting Input 2  
Output 2  
+
-
+
-
9
8
Inverting Input 3  
Output 3  
- 2.85 V typical at 3 V with R =10 kΩ.  
L
The TS94x op-amps are ideal for battery-powered  
systems, where very low supply current and  
output rail-to-rail are required. Their very low  
- 1 pA typical input bias current and constant  
supply current over supply voltage enhance the  
devices’ performance near the end of the battery  
charge or battery life.  
Table 1.  
Reference  
Device summary  
Selection on offset voltage  
TS94x  
TS941, TS942, TS944  
TS94xA  
TS94xB  
TS941A, TS942A, TS944A  
TS941B, TS942B, TS944B  
October 2009  
Doc ID 6972 Rev 6  
1/18  
www.st.com  
18  
 

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