1874I Просмотр технического описания (PDF) - STMicroelectronics
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1874I Datasheet PDF : 26 Pages
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TS1871-TS1872-TS1874
1.8V input/output rail-to-rail
low power operational amplifiers
Features
■ Operating range from VCC = 1.8V to 6V
■ Rail-to-rail input and output
■ Extended Vicm (VDD - 0.2V to VCC + 0.2V)
■ Low supply current (400µA)
■ Gain bandwidth product (1.6MHz)
■ High unity gain stability
■ ESD tolerance (2kV)
■ Latch-up immunity
■ Available in SOT23-5 micro package
Applications
■ Battery-powered applications (toys)
■ Portable communication devices (cell phones)
■ Audio driver (headphone drivers)
■ Laptop/notebook computers
Description
The TS187x (single, dual and quad) is an
operational amplifier family able to operate with
voltages as low as 1.8V and that features both
input and output rail-to-rail.
The common mode input voltage extends 200mV
beyond the supply voltages at 25°C while the
output voltage swing is within 100mV of each rail
with a 600Ω load resistor. This device consumes
typically 400µA per channel while offering 1.6MHz
of gain-bandwidth product. The amplifier provides
high output drive capability typically at 65mA load.
These features make the TS187x family ideal for
sensor interface, battery-supplied and portable
applications.
TS1871ILT
Output 1
VDD 2
Non Inverting Input 3
5 VCC
4 Inverting Input
TS1871ID/IDT
N.C. 1
Inverting Input 2
_
Non Inverting Input 3
+
VDD 4
8 N.C.
7 VCC
6 Output
5 N.C.
TS1872IN-TS1872ID/IDT-TS1872IST
TS1872IPT
Output 1 1
Inverting Input 1 2 _
Non Inverting Input 1 3 +
VDD 4
8 VCC
7 Output 2
_ 6 Inverting Input 2
+ 5 Non Inverting Input 2
TS1874IN-TS1874ID/IDT-TS1874IPT
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 VDD
+ 10 Non Inverting Input 3
_ 9 Inverting Input 3
8 Output 3
January 2008
Rev 4
1/26
www.st.com
26
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