Datasheet 搜索 > 仪表放大器 > TI（德州仪器） > INA114AP 数据手册 > INA114AP 数据手册 1/17 页
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INA114AP 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
仪表放大器
封装:
PDIP-8
描述:
Texas Instruments### 仪器放大器，Texas Instruments仪器放大器是复合差分放大器块，通常包含经典的三个操作放大器配置。 它们提供高输出阻抗、极高的共模抑制，且可通过内部或外部电阻器准确设置差分增益。 差分放大器提供低直流偏移且偏移耦合了高开路增益和低噪音，通常用于高精确测试和测量应用，及电气嘈杂环境。
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INA114AP数据手册
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®
INA114
1
FEATURES
● LOW OFFSET VOLTAGE: 50µV max
● LOW DRIFT: 0.25
µV/°C max
● LOW INPUT BIAS CURRENT: 2nA max
● HIGH COMMON-MODE REJECTION:
115dB min
● INPUT OVER-VOLTAGE PROTECTION:
±40V
● WIDE SUPPLY RANGE:
±2.25 to ±18V
● LOW QUIESCENT CURRENT: 3mA max
● 8-PIN PLASTIC AND SOL-16
INA114
DESCRIPTION
The INA114 is a low cost, general purpose instrumen-
tation amplifier offering excellent accuracy. Its versa-
tile 3-op amp design and small size make it ideal for a
wide range of applications.
A single external resistor sets any gain from 1 to 10,000.
Internal input protection can withstand up to ±40V
without damage.
The INA114 is laser trimmed for very low offset voltage
(50µV), drift (0.25µV/°C) and high common-mode
rejection (115dB at G = 1000). It operates with power
supplies as low as ±2.25V, allowing use in battery
operated and single 5V supply systems. Quiescent cur-
rent is 3mA maximum.
The INA114 is available in 8-pin plastic and SOL-16
surface-mount packages. Both are specified for the
–40°C to +85°C temperature range.
APPLICATIONS
● BRIDGE AMPLIFIER
● THERMOCOUPLE AMPLIFIER
● RTD SENSOR AMPLIFIER
● MEDICAL INSTRUMENTATION
● DATA ACQUISITION
A
1
A
2
A
3
(12)
(11)
6
(10)
25kΩ25kΩ
25kΩ25kΩ
(13)7
(7)4
(5)
3
(15)
8
(2)
1
(4)
2
V
IN
V
IN
R
G
V+
V–
INA114
DIP (SOIC)
Ref
DIP Connected
Internally
V
O
G = 1 +
50kΩ
R
G
–
+
5
Over-Voltage
Protection
25kΩ
25kΩ
Over-Voltage
Protection
Feedback
Precision
INSTRUMENTATION AMPLIFIER
®
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
INA114
INA114
©1992 Burr-Brown Corporation PDS-1142D Printed in U.S.A. March, 1998
SBOS014
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