INA332 AMPLIFIERS Datasheet

INA332 Datasheet, PDF, Equivalent


Part Number

INA332

Description

CMOS INSTRUMENTATION AMPLIFIERS

Manufacture

Burr-Brown

Total Page 22 Pages
Datasheet
Download INA332 Datasheet


INA332
INA332
INA2332 ®
INA332
INA2332
SBOS216B – SEPTEMBER 2001 - REVISED OCTOBER 2006
Low-Power, Single-Supply, CMOS
INSTRUMENTATION AMPLIFIERS
FEATURES
q DESIGNED FOR LOW COST
q HIGH GAIN ACCURACY: G = 5, 0.07%, 2ppm/°C
q GAIN SET WITH EXT. RESISTORS FOR > 5V/V
q HIGH CMRR: 73dB DC, 50dB at 45kHz
q LOW BIAS CURRENT: 0.5pA
q BANDWIDTH, SLEW RATE: 2.0MHz, 5V/µs
q RAIL-TO-RAIL OUTPUT SWING: (V+) – 0.02V
q WIDE TEMPERATURE RANGE: –55°C to +125°C
q LOW QUIESCENT CURRENT: 490µA max/chan
q SHUTDOWN: 0.01µA
q MSOP-8 SINGLE AND TSSOP-14 DUAL PACKAGES
APPLICATIONS
q INDUSTRIAL SENSOR AMPLIFIERS:
Bridge, RTD, Thermocouple, Position
q PHYSIOLOGICAL AMPLIFIERS: ECG, EEG, EMG
q A/D CONVERTER SIGNAL CONDITIONING
q DIFFERENTIAL LINE RECEIVERS WITH GAIN
q FIELD UTILITY METERS
q PCMCIA CARDS
q AUDIO AMPLIFIERS
q COMMUNICATION SYSTEMS
q TEST EQUIPMENT
q AUTOMOTIVE INSTRUMENTATION
DESCRIPTION
The INA332 and INA2332 are rail-to-rail output, low-power
CMOS instrumentation amplifiers that offer wide range, single-
supply, and bipolar-supply operation. Using a special manu-
facturing flow, the INA332 family provides the lowest cost
available, while still achieving low-noise amplification of dif-
ferential signals with low quiescent current of 415µA (drop-
ping to 0.01µA when shut down). Returning to normal opera-
tion within microseconds, this INA can be used for battery or
multichannel applications.
Configured internally in a gain of 5V/V, the INA332 offers
flexibility in higher gains by choosing external resistors.
The INA332 rejects line noise and its harmonics because
common-mode error remains low even at higher frequencies.
High bandwidth and slew rate make the INA332 ideal for
directly driving sampling Analog-to-Digital (A/D) converters
as well as general-purpose applications.
With high precision, low cost, and small packages, the
INA332 outperforms discrete designs.
Additionally, because they are specified for a wide tempera-
ture range of –55°C to +125°C, the INA332 family can be
used in demanding environments.
R1 R2
VREF
VIN
VIN+
G = 5 + 5(R2/R1)
40k
10k
10k
A1
40k
A2
RG
INA332
A3 VOUT
INA2332
Ch A
Ch B
V+ V
Shutdown
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.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
www.ti.com
Copyright © 2001-2006, Texas Instruments Incorporated

INA332
ABSOLUTE MAXIMUM RATINGS(1)
Supply Voltage, V+ to V.................................................................... 7.5V
Signal Input Terminals, Voltage(2) ..................... (V) 0.5V to (V+) + 0.5V
Current(2) ..................................................... 10mA
Output Short-Circuit(3) .............................................................. Continuous
Operating Temperature .................................................. 55°C to +125°C
Storage Temperature ...................................................... 65°C to +150°C
Junction Temperature .................................................................... +150°C
NOTES: (1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods may degrade
device reliability. (2) Input terminals are diode-clamped to the power-supply rails.
Input signals that can swing more than 0.5V beyond the supply rails should be
current limited to 10mA or less. (3) Short-circuit to ground, one amplifier per
package.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may be
more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
PACKAGE/ORDERING INFORMATION(1)
PRODUCT
Single
INA332AIDGK
"
Dual
INA2332AIPW
"
PACKAGE-LEAD
MSOP-8
"
TSSOP-14
"
PACKAGE
DESIGNATOR
DGK
"
PW
"
TEMPERATURE
RANGE
SPECIFIED
PACKAGE
MARKING
55°C to +125°C
"
B32
"
55°C to +125°C
"
2332A
"
ORDERING
NUMBER
TRANSPORT
MEDIA, QUANTITY
INA332AIDGKT
INA332AIDGKR
Tape and Reel, 250
Tape and Reel, 2500
INA2332AIPWT
INA2332AIPWR
Tape and Reel, 250
Tape and Reel, 2500
NOTE: (1) For the most current package and ordering information, see the Package Option Addendum at the end of this data sheet, or see the TI web site at
www.ti.com.
PIN CONFIGURATION
Top View
INA332
RG 1
VIN2
VIN+ 3
V4
8 Shutdown
7 V+
6 VOUT
5 REF
MSOP-8 (DGK)
INA2332
RGA 1
VINA
VIN+A
V
2
3
4
VIN+B
VINB
RGB
5
6
7
14 Shutdown A
13 VOUTA
12 REFA
11 V+
10 REFB
9 VOUTB
8 Shutdown B
Dual, TSSOP-14 (PW)
2 INA332, INA2332
www.ti.com
SBOS216B


Features INA332 INA2332 ® INA332 INA2332 SBOS 216B – SEPTEMBER 2001 - REVISED OCTOB ER 2006 Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS FEATURES q DESIGNED FOR LOW COST q HIGH GAIN ACCUR ACY: G = 5, 0.07%, 2ppm/°C q GAIN SET WITH EXT. RESISTORS FOR > 5V/V q HIGH C MRR: 73dB DC, 50dB at 45kHz q LOW BIAS CURRENT: 0.5pA q BANDWIDTH, SLEW RATE: 2.0MHz, 5V/µs q RAIL-TO-RAIL OUTPUT SW ING: (V+) – 0.02V q WIDE TEMPERATURE RANGE: –55°C to +125°C q LOW QUIESC ENT CURRENT: 490µA max/chan q SHUTDOWN : 0.01µA q MSOP-8 SINGLE AND TSSOP-14 DUAL PACKAGES APPLICATIONS q INDUSTRIA L SENSOR AMPLIFIERS: Bridge, RTD, Therm ocouple, Position q PHYSIOLOGICAL AMPLI FIERS: ECG, EEG, EMG q A/D CONVERTER SI GNAL CONDITIONING q DIFFERENTIAL LINE R ECEIVERS WITH GAIN q FIELD UTILITY METE RS q PCMCIA CARDS q AUDIO AMPLIFIERS q COMMUNICATION SYSTEMS q TEST EQUIPMENT q AUTOMOTIVE INSTRUMENTATION DESCRIPTI ON The INA332 and INA2332 are rail-to-r ail output, low-power CMOS instrumentation amplifiers that offer wide range,.
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