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INA121P PDF预览

INA121P

更新时间: 2024-11-25 22:48:07
品牌 Logo 应用领域
BB 仪表放大器放大器电路光电二极管
页数 文件大小 规格书
12页 222K
描述
FET-Input, Low Power INSTRUMENTATION AMPLIFIER

INA121P 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.74
Is Samacsys:N放大器类型:INSTRUMENTATION AMPLIFIER
最大平均偏置电流 (IIB):0.00005 µA标称带宽 (3dB):0.6 MHz
最小共模抑制比:78 dB最大输入失调电压:1000 µV
JESD-30 代码:R-PDIP-T8JESD-609代码:e0
负供电电压上限:-18 V标称负供电电压 (Vsup):-15 V
最大非线性:0.005%功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:+-15 V认证状态:Not Qualified
标称压摆率:0.7 V/us子类别:Instrumentation Amplifier
最大压摆率:0.53 mA供电电压上限:18 V
标称供电电压 (Vsup):15 V表面贴装:NO
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL最大电压增益:10000
最小电压增益:1Base Number Matches:1

INA121P 数据手册

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®
INA121  
INA121  
INA121  
FET-Input, Low Power  
INSTRUMENTATION AMPLIFIER  
FEATURES  
DESCRIPTION  
LOW BIAS CURRENT: ±4pA  
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.  
LOW QUIESCENT CURRENT: ±450µA  
LOW INPUT OFFSET VOLTAGE: ±200µV  
LOW INPUT OFFSET DRIFT: ±2µV/°C  
LOW INPUT NOISE:  
20nV/Hz at f = 1kHz (G =100)  
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.  
HIGH CMR: 106dB  
WIDE SUPPLY RANGE: ±2.25V to ±18V  
LOW NONLINEARITY ERROR: 0.001% max  
INPUT PROTECTION TO ±40V  
The INA121 is laser-trimmed for very low offset  
voltage (±200µV), low offset drift (±2µV/°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 450µA.  
8-PIN DIP AND SO-8 SURFACE MOUNT  
APPLICATIONS  
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.  
LOW-LEVEL TRANSDUCER AMPLIFIERS  
Bridge, RTD, Thermocouple  
PHYSIOLOGICAL AMPLIFIERS  
ECG, EEG, EMG, Respiratory  
HIGH IMPEDANCE TRANSDUCERS  
CAPACITIVE SENSORS  
MULTI-CHANNEL DATA ACQUISITION  
PORTABLE, BATTERY OPERATED SYSTEMS  
GENERAL PURPOSE INSTRUMENTATION  
V+  
7
INA121  
2
1
Over-Voltage  
Protection  
VIN  
A1  
50kΩ  
RG  
G = 1 +  
40kΩ  
40kΩ  
25kΩ  
25kΩ  
6
5
A3  
VO  
RG  
8
3
A2  
Ref  
Over-Voltage  
Protection  
+
40kΩ  
40kΩ  
VIN  
4
V–  
International Airport Industrial Park  
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706  
Telex: 066-6491 FAX: (520) 889-1510  
• Tel: (520) 746-1111 • Twx: 910-952-1111  
Internet: http://www.burr-brown.com/  
FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP  
Immediate Product Info: (800) 548-6132  
©1997 Burr-Brown Corporation  
PDS-1412A  
Printed in U.S.A. May, 1998  

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