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INA118U2K5 参数 Datasheet PDF下载

INA118U2K5图片预览
型号: INA118U2K5
PDF下载: 下载PDF文件 查看货源
内容描述: 高精度,低功耗仪表放大器 [Precision, Low Power INSTRUMENTATION AMPLIFIER]
分类和应用: 仪表放大器
文件页数/大小: 16 页 / 392 K
品牌: TI [ TEXAS INSTRUMENTS ]
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®
INA
1
18
INA118
INA
118
Precision, Low Power
INSTRUMENTATION AMPLIFIER
FEATURES
q
LOW OFFSET VOLTAGE: 50
µ
V max
q
LOW DRIFT: 0.5
µ
V/
°
C max
q
LOW INPUT BIAS CURRENT: 5nA max
q
HIGH CMR: 110dB min
q
INPUTS PROTECTED TO
±
40V
q
WIDE SUPPLY RANGE:
±
1.35 to
±
18V
q
LOW QUIESCENT CURRENT: 350
µ
A
q
8-PIN PLASTIC DIP, SO-8
DESCRIPTION
The INA118 is a low power, general purpose instru-
mentation amplifier offering excellent accuracy. Its
versatile 3-op amp design and small size make it ideal
for a wide range of applications. Current-feedback
input circuitry provides wide bandwidth even at high
gain (70kHz at G = 100).
A single external resistor sets any gain from 1 to 10,000.
Internal input protection can withstand up to
±40V
without damage.
The INA118 is laser trimmed for very low offset voltage
(50µV), drift (0.5µV/°C) and high common-mode re-
jection (110dB at G = 1000). It operates with power
supplies as low as
±1.35V,
and quiescent current is only
350µA—ideal for battery operated systems.
The INA118 is available in 8-pin plastic DIP,
and SO-8 surface-mount packages, specified for
the –40°C to +85°C temperature range.
APPLICATIONS
q
q
q
q
q
BRIDGE AMPLIFIER
THERMOCOUPLE AMPLIFIER
RTD SENSOR AMPLIFIER
MEDICAL INSTRUMENTATION
DATA ACQUISITION
V+
7
V
IN
2
Over-Voltage
Protection
INA118
A
1
60kΩ
25kΩ
R
G
8
25kΩ
A
2
60kΩ
60kΩ
5
Ref
A
3
6
V
O
60kΩ
G=1+
50kΩ
R
G
1
+
V
IN
3
Over-Voltage
Protection
4
V–
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
®
©
1994 Burr-Brown Corporation
PDS-1199D
1
Printed in U.S.A. April, 1998
INA118
SBOS027