TS944 STMicroelectronics, TS944 Datasheet

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TS944

Manufacturer Part Number
TS944
Description
Ultra-micropower amplifier with CMOS inputs
Manufacturer
STMicroelectronics
Datasheet

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Features
Applications
Description
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.
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
- 2.85 V typical at 3 V with R
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.
October 2009
Rail-to-rail output voltage swing
Micropower consumption (1.2 µA)
Single supply operation (2.5 V to 10 V)
CMOS inputs
Ultra low input bias current (1 pA)
ESD protection (2 kV)
Latch-up immunity (class A)
Available in SOT23-5 micropackage
Battery-powered systems (alarm)
Portable communication systems (pagers)
Smoke/gas/fire detectors
Instrumentation and sensoring
PH meter
Output rail-to-rail micropower operational amplifiers
L
=10 kΩ .
Doc ID 6972 Rev 6
TS94x, TS94xA, TS94xB
Table 1.
TS94x
TS94xA
TS94xB
Reference
t
t
TS942ID-TS942IDT-TS942IPT
TS944ID-TS944IDT-TS944IPT
tp t
p t
p t
v t
V DD
v t
p
p
p
p
p
p
Device summary
TS941ID-TS941IDT
V DD
TS941, TS942, TS944
TS941A, TS942A, TS944A
TS941B, TS942B, TS944B
p t
p t
Selection on offset voltage
TS941ILT
V
DD
tp t
V
p
p
t
tp t
t
www.st.com
p
p
p t
p
p
p t
1/18
18

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TS944 Summary of contents

Page 1

... V DD TS944ID-TS944IDT-TS944IPT Table 1. Device summary Reference TS94x TS941, TS942, TS944 TS94xA TS941A, TS942A, TS944A TS94xB TS941B, TS942B, TS944B Doc ID 6972 Rev 6 TS941ILT Selection on offset voltage 1/18 www.st.com ...

Page 2

... MM: machine model ESD CDM: charged device model TS941 - TS944IDT TS942 - TS944IPT Latch-up immunity Lead temperature (soldering, 10sec) 1. All voltage values, except differential voltage are with respect to network terminal. 2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. ...

Page 3

TS94x, TS94xA, TS94xB Table 3. Operating conditions Symbol V Supply voltage CC V Common mode input voltage range icm T Operating free air temperature range oper Absolute maximum ratings and operating conditions Parameter Doc ID 6972 Rev 6 Value Unit ...

Page 4

Electrical characteristics 2 Electrical characteristics Table (unless otherwise specified) Symbol Input offset voltage TS941/2 TS941/2/4A TS941/2/4B ΔV Input offset voltage drift io I Input offset current io I Input bias current ib CMR Common mode ...

Page 5

TS94x, TS94xA, TS94xB Table (unless otherwise specified) Symbol Input offset voltage TS941/2 TS941/2/4A TS941/2/4B ΔV Input offset voltage drift io I Input offset current io I Input bias current ib CMR Common mode rejection ratio ...

Page 6

Electrical characteristics Table (unless otherwise specified) Symbol Input offset voltage TS941/2 TS941/2/4A TS941/2/4B ΔV Input offset voltage drift io I Input offset current io I Input bias current ib CMR Common mode rejection ratio SVR ...

Page 7

TS94x, TS94xA, TS94xB Figure 1. Supply current per amplifier vs. supply voltage in overdrive in Overdrive 1.5 Tamb = 25°C 1.0 Vid = - 100mV Vid = + 100mV 0.5 0 Supply Voltage (V) Figure 3. Output ...

Page 8

Electrical characteristics Figure 7. Output short-circuit current vs. output voltage 1.0 Sink T = -40°C 0 +25° +25° +85°C 0.0 Vcc = 2.6V -0 +85°C -1 +25°C -1 ...

Page 9

TS94x, TS94xA, TS94xB Figure 13. Small signal transient response g 300 200 100 0 -100 0.0 0.5 1.0 Time (ms) Figure 15. Slew rate positive and negative vs. temperature p 4.8 Slew rate negative 4.6 4.4 4.2 4.0 3.8 3.6 ...

Page 10

Package information 3 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ...

Page 11

TS94x, TS94xA, TS94xB 3.1 SOT23-5 package information Figure 17. SOT23-5 package mechanical drawing Table 7. SOT23-5 package mechanical data Ref degrees Dimensions Millimeters Min. Typ. Max. 0.90 ...

Page 12

Package information 3.2 SO-8 package information Figure 18. SO-8 package mechanical drawing Table 8. SO-8 package mechanical data Ref ccc 12/18 Dimensions Millimeters Min. Typ. Max. 1.75 ...

Page 13

TS94x, TS94xA, TS94xB 3.3 TSSOP8 package information Figure 19. TSSOP8 package mechanical drawing Table 9. TSSOP8 package mechanical data Ref aaa Dimensions Millimeters Min. Typ. Max. 1.20 0.05 ...

Page 14

Package information 3.4 SO-14 package information Figure 20. SO-14 package mechanical drawing Table 10. SO-14 package mechanical data Ref ddd 14/18 Dimensions Millimeters Min. Typ. Max. 1.35 1.75 ...

Page 15

TS94x, TS94xA, TS94xB 3.5 TSSOP14 package information Figure 21. TSSOP14 package mechanical drawing Table 11. TSSOP14 package mechanical data Ref aaa Dimensions Millimeters Min. Typ. Max. 1.20 0.05 ...

Page 16

... TS941AID Tape & reel TS941BID K201 Tape & reel K202 K203 TS942ID TS942IDT Tube or TS942AID Tape & reel TS942BID TS942 Tape & reel 942AI 942BI TS944ID TS944IDT TS944AID Tube or Tape & reel TS944AIDT TS944BID TS944BIDT TS944IPT Tape & reel TS944AI TS944BI ...

Page 17

... Revision 1 Initial release. 2 Modifications on AMR table (explanation of V CDM values added for TS944 in SO and TSSOP packages. 3 Document reformatted. Corrected error in power consumption on cover page (1.2µA, not 4 1.2mA). Removed DIP package information and order codes in and Chapter 4 ...

Page 18

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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