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TS27L4

Part Number	TS27L4
Manufacturer	STMicroelectronics
Description	Very low power precision CMOS quad operational amplifiers
Published	Dec 14, 2014
Detailed Description	TS27L4 Very low power precision CMOS quad operational amplifiers Features ■ Very low power consumption: 10 µA/op ■ Outp...
Datasheet	TS27L4 PDF File

Overview

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 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 TS27L4 Figure 2.
Schematic diagram (for 1/4 TS27L4) VCC T27 T24 T25 T26 T5 T6 T10 R2 T17 T18 T28 In pu t T1 T2 Inp u t R1 C1 T8 T11 T15 T12 T7 T19 T23 T3 T4 Output T16 T20 T22 T21 T29 T9 T13 T 14 Circuit schematics VCC 3/15 Absolute maximum ratings and operating conditions TS27L4 2 Absolute maximum ratings and operating conditions Table 1.
Absolute maximum ratings Symbol VCC+ Vid Vin Io Iin Tstg Rthja Rthjc ESD ...

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