SBOS501C – JANUARY 2010 – REVISED APRIL 2012
PRECISION, LOW POWER INSTRUMENTATION AMPLIFIERS
Check for Samples:
1
FEATURES
(1)
•
•
•
•
•
•
Low Offset Voltage
Low Input Bias Current: 50 nA Typ
High CMR: 95 dB Typ
Inputs Protected to ±40 V
Wide Supply Range: ±2.25 V to ±18 V
Low Quiescent Current: 2 mA Typ
SUPPORTS EXTREME TEMPERATURE
APPLICATIONS
•
•
•
•
•
•
•
•
Controlled Baseline
One Assembly/Test Site
One Fabrication Site
Available in Extreme (–55°C/210°C)
Temperature Range
(2)
Extended Product Life Cycle
Extended Product-Change Notification
Product Traceability
Texas Instruments' high temperature products
utilize highly optimized silicon (die) solutions
with design and process enhancements to
maximize performance over extended
temperatures.
Custom temperature ranges available
HKQ PACKAGE
(TOP VIEW)
APPLICATIONS
•
•
•
•
•
(1)
Bridge Amplifier
Thermocouple Amplifier
RTD Sensor Amplifier
Medical Instrumentation
Data Acquisition
Typical values for 210°C application
DESCRIPTION
The INA128 and INA129 are low power, general purpose instrumentation amplifiers offering excellent accuracy.
The versatile three operational amplifier design and small size make them ideal for a wide range of applications.
Current-feedback input circuitry provides wide bandwidth even at high gain.
A single external resistor sets any gain from 1 to 10,000. The INA128 provides an industry-standard gain
equation; the INA129 gain equation is compatible with the AD620.
The INA128/INA129 is laser trimmed for very low offset voltage (50
μV)
and high common-mode rejection (93 dB
at G
≥
100). It operates with power supplies as low as ±2.25 V, and quiescent current of 2 mA - typically. Internal
input protection can withstand up to ±40 V without damage.
The INA129 is available in 8-pin ceramic DIP and 8-pin ceramic surface-mount packages, specified for the –55°C
to 210°C temperature range. The INA128 is available in an 8-pin SO-8 surface-mount package, specified for the
–55°C to 175°C temperature range.
司
公
限
有 2
件
技 83 器
科 16 元
子 29 子
电 -8 电
创 55 温
德 07 高
鸿 话 油
圳 电 石
深 系 理
联 代
业
专
(2)
D, JD OR HKJ PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
R
G
R
G
R
G
8
1
V-
IN
V+
V
O
R
G
V-
IN
V
+IN
V-
V+
V
O
V
+IN
V-
Ref
Ref
5
4
HKQ as formed or HKJ mounted dead bug
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2010–2012, Texas Instruments Incorporated
TI [ TEXAS INSTRUMENTS ]
