參數(shù)資料
型號(hào)： INA2322
元件分類： 測(cè)量放大器
英文描述： Precision Instrumentation Amplifier
中文描述： 精密儀表放大器
文件頁(yè)數(shù)： 1/15頁(yè)
文件大小： 303K
代理商： INA2322
INA322
INA2322
Copyright 2000, Texas Instruments Incorporated
SBOS174A
Printed in U.S.A. December, 2000
FEATURES
G
LOW COST
G
LOW QUIESCENT CURRENT:
40
μ
A/channel
Shut Down: < 1
μ
A
G
HIGH GAIN ACCURACY:
G = 5, 0.07%, 2ppm/
°
C
G
GAIN SET WITH EXTERNAL RESISTORS
G
LOW BIAS CURRENT: 10pA
G
BANDWIDTH: 500kHz, G = 5V/V
G
RAIL-TO-RAIL OUTPUT SWING: (V+) – 0.02V
G
WIDE TEMPERATURE RANGE:
–55
°
C to +125
°
C
G
SINGLE VERSION IN MSOP-8 PACKAGE AND
DUAL VERSION IN TSSOP-14 PACKAGE
microPower, Single-Supply, CMOS
INSTRUMENTATION AMPLIFIER
DESCRIPTION
The INA322 family is a series of low cost, rail-to-rail
output, micropower CMOS instrumentation amplifiers
that offer wide-range, single-supply, as well as bipolar-
supply operation. The INA322 family provides low-
cost, low-noise amplification of differential signals with
micropower current consumption of 40
μ
A. When shut-
down the INA322 has a quiescent current of less than
1
μ
A. Returning to normal operations within nanosec-
onds, the shutdown feature makes the INA322 optimal
for low-power battery or multiplexing applications.
APPLICATIONS
G
INDUSTRIAL SENSOR AMPLIFIERS:
Bridge, RTD, Thermistor, Position
G
PHYSIOLOGICAL AMPLIFIERS:
ECG, EEG, EMG
G
A/D CONVERTER SIGNAL CONDITIONING
G
DIFFERENTIAL LINE RECEIVERS WITH GAIN
G
FIELD UTILITY METERS
G
PCMCIA CARDS
G
COMMUNICATION SYSTEMS
G
TEST EQUIPMENT
G
AUTOMOTIVE INSTRUMENTATION
INA322
www.ti.com
Configured internally for 5V/V gain, the INA322 offers
exceptional flexibility with user-programmable external
gain resistors. The INA322 reduces common-mode er-
ror over frequency and with CMRR remaining high up
to 3kHz, line noise and line harmonics are rejected.
The low-power design does not compromise on band-
width or slew rate, making the INA322 ideal for driving
sampling Analog-to-Digital (A/D) converters as well as
general-purpose applications. With high precision, low
cost, and small packaging, the INA322 outperforms dis-
crete designs, while offering reliability and performance.
A2
A1
A3
160k
REF
V
IN–
V
IN+
40k
40k
Shutdown
V+
V
OUT
V
OUT
= (V
IN+
– V
IN–
) Gain
Gain = 5 + 5(R2/R1)
V–
R
2
R
1
RG
160k
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INA2322EA/2K5G4 功能描述:差分放大器 Micropwr Single-sply CMOS RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 Channel 帶寬:2.4 GHz 可用增益調(diào)整:6 dB to 26 dB 輸入補(bǔ)償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel
INA2322EA250 制造商:TI 制造商全稱:Texas Instruments 功能描述:microPower, Single-Supply, CMOS NTATION AMPLIFIER
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