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TS27L4 Datasheet

Very low power precision CMOS quad operational amplifiers

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TS27L4
Very low power precision CMOS quad operational amplifiers
Features
Very low power consumption: 10 µA/op
Output voltage can swing to ground
Excellent phase margin on capacitive loads
Unity gain stable
Two input offset voltage selections
Description
The TS27L4 series are low-cost, low-power quad
operational amplifiers designed to operate with
single or dual supplies. These operational
amplifiers use the ST silicon gate CMOS process
allowing an excellent consumption-speed ratio.
These series are ideally suited for low
consumption applications.
Three power consumptions are available enabling
the best consumption-speed ratio:
ICC = 10 µA/amp: TS27L4 (very low power),
ICC = 150 µA/amp: TS27M4 (low power),
ICC = 1 mA/amp: TS274 (standard).
These CMOS amplifiers offer very high input
impedance and extremely low input currents. The
major advantage versus JFET devices is the very
low input current drift with temperature (see
Figure 4).
DIP14
(Plastic package)
SO-14
(Plastic micropackage)
TSSOP14
(Thin shrink small outline package)
Pin connections (top view)
Output 1 1
Inverting Input 1 2
Non-inverting Input 1 3
VCC + 4
Non-inverting Input 2 5
Inverting Input 2 6
Output 2 7
-
+
+
-
14 Output 4
- 13 Inverting Input 4
+ 12 Non-inverting Input 4
11 VCC -
+ 10 Non-inverting Input 3
- 9 Inverting Input 3
8 Output 3
March 2009
Rev 3
1/15
www.st.com
15


STMicroelectronics Electronic Components Datasheet

TS27L4 Datasheet

Very low power precision CMOS quad operational amplifiers

No Preview Available !

Circuit schematics
1 Circuit schematics
Figure 1. Internal block diagram
TS27L4
VCC
Current
source
xI
Input
differential
Second
stage
Output
stage
Output
EE
VCC
2/15


Part Number TS27L4
Description Very low power precision CMOS quad operational amplifiers
Maker STMicroelectronics
Total Page 15 Pages
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