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PGA103 用户编程技术手册 - TI（德州仪器）
制造商:
TI（德州仪器）
描述:
可编程增益放大器
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PGA103数据手册
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1
®
PGA103
PGA103
Programmable Gain
AMPLIFIER
FEATURES
● DIGITALLY PROGRAMABLE GAINS:
G=1, 10, 100V/V
● CMOS/TTL-COMPATIBLE INPUTS
● LOW GAIN ERROR:
±0.05% max, G=10
● LOW OFFSET VOLTAGE DRIFT: 2µV/
°C
● LOW QUIESCENT CURRENT: 2.6mA
● LOW COST
● 8-PIN PLASTIC DIP, SO-8 PACKAGES
APPLICATIONS
● DATA ACQUISITION SYSTEMS
● GENERAL PURPOSE ANALOG BOARDS
● MEDICAL INSTRUMENTATION
DESCRIPTION
The PGA103 is a programmable-gain amplifier for
general purpose applications. Gains of 1, 10, or 100 are
digitally selected by two CMOS/TTL-compatible in-
puts. The PGA103 is ideal for systems that must
handle wide dynamic range signals.
The PGA103’s high speed circuitry provides fast set-
tling time, even at G=100 (8µs to 0.01%). Bandwidth
is 250kHz at G=100, yet quiescent current is only
2.6mA. It operates from ±4.5V to ±18V power
supplies.
The PGA103 is available in 8-pin plastic DIP and
SO-8 surface-mount packages, specified for the –40°C
to +85°C temperature range.
PGA103
V
IN
V
O
V+ V–
2
1
3
7
8
6
4
1
10
100
0
0
1
0
1
0
GAIN A
1
A
0
V
O
= G • V
IN
®
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Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©
1993 Burr-Brown Corporation PDS-1208B Printed in U.S.A. November, 1993
SBOS031
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