參數(shù)資料
型號： INA121UA
元件分類： 測量放大器
英文描述： Precision Gain of 5 Instrumentation Amplifier
中文描述： 5精密增益儀表放大器
文件頁數(shù)： 1/12頁
文件大?。?/td> 220K
代理商： INA121UA
INA121
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
INA121
INA121
INA121
1997 Burr-Brown Corporation
PDS-1412A
FEATURES
G
LOW BIAS CURRENT:
±
4pA
G
LOW QUIESCENT CURRENT:
±
450
μ
A
G
LOW INPUT OFFSET VOLTAGE:
±
200
μ
V
G
LOW INPUT OFFSET DRIFT:
±
2
μ
V/
°
C
G
LOW INPUT NOISE:
20nV/
√
Hz at f = 1kHz (G =100)
G
HIGH CMR: 106dB
G
WIDE SUPPLY RANGE:
±
2.25V to
±
18V
G
LOW NONLINEARITY ERROR: 0.001% max
G
INPUT PROTECTION TO
±
40V
G
8-PIN DIP AND SO-8 SURFACE MOUNT
FET-Input, Low Power
INSTRUMENTATION AMPLIFIER
DESCRIPTION
The INA121 is a FET-input, low power instrumenta-
tion amplifier offering excellent accuracy. Its versatile
three-op amp design and very small size make it ideal
for a variety of general purpose applications. Low bias
current (
±
4pA) allows use with high impedance
sources.
Gain can be set from 1V to 10,000V/V with a single
external resistor. Internal input protection can with-
stand up to
±
40V without damage.
The INA121 is laser-trimmed for very low offset
voltage (
±
200
μ
V), low offset drift (
±
2
μ
V/
°
C), and
high common-mode rejection (106dB at G = 100). It
operates on power supplies as low as
±
2.25V (+4.5V),
allowing use in battery operated and single 5V sys-
tems. Quiescent current is only 450
μ
A.
Package options include 8-pin plastic DIP and SO-8
surface mount. All are specified for the –40
°
C to
+85
°
C industrial temperature range.
APPLICATIONS
G
LOW-LEVEL TRANSDUCER AMPLIFIERS
Bridge, RTD, Thermocouple
G
PHYSIOLOGICAL AMPLIFIERS
ECG, EEG, EMG, Respiratory
G
HIGH IMPEDANCE TRANSDUCERS
G
CAPACITIVE SENSORS
G
MULTI-CHANNEL DATA ACQUISITION
G
PORTABLE, BATTERY OPERATED SYSTEMS
G
GENERAL PURPOSE INSTRUMENTATION
A
1
A
2
A
3
6
40k
40k
40k
40k
7
4
3
8
1
2
V
IN
V
IN
R
G
V+
V–
INA121
Ref
V
O
G = 1 +50k
R
G
–
+
5
Over-Voltage
Protection
25k
25k
Over-Voltage
Protection
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
INA121UA 制造商:BURR-BROWN 功能描述:IC AMP INSTRUMENTATION SOIC8 121 制造商:Texas Instruments 功能描述:IC INSTRUMENTATION AMPLIFIER
INA121UA 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC
INA121UA/2K5 功能描述:儀表放大器 FET-Input Low Power Instrumentation Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk
INA121UA/2K5E4 功能描述:儀表放大器 FET-Input Low Power Instrumentation Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk
INA121UA-1 制造商:Texas Instruments 功能描述:INST AMP, +/-15V, 600KHZ, 8SOIC; No. of Amplifiers:1; Input Offset Voltage:1mV; Bandwidth:600kHz; Supply Voltage Range: 2.25V to 18V; Amplifier Case Style:SOIC; No. of Pins:8; Amplifier Output:Single Ended; CMRR:106dB; Slew ;RoHS Compliant: Yes
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