参数资料
| 型号： | INA149AID |
| 厂商： | Texas Instruments |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC AMP UNITY GAIN DIFF 8SOIC |
| 标准包装： | 75 |
| 放大器类型： | 差分 |
| 电路数： | 1 |
| 转换速率： | 5 V/µs |
| -3db带宽： | 500kHz |
| 电压 - 输入偏移： | 350µV |
| 电流 - 电源： | 810µA |
| 电流 - 输出 / 通道： | 25mA |
| 电压 - 电源，单路/双路(±)： | 4 V ~ 36 V，±2 V ~ 18 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 其它名称： | 296-33286-5 INA149AID-ND |
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Frequency (Hz)
CommonMode
Rejection
Ratio
(dB)
INA149
Competitor A
SBOS579B – SEPTEMBER 2011 – REVISED JULY 2012
High Common-Mode Voltage Difference Amplifier
1
FEATURES
DESCRIPTION
The INA149 is a precision unity-gain difference
2
Common-Mode Voltage Range: ±275 V
amplifier with a very high input common-mode
Minimum CMRR: 90 dB from –40°C to +125°C
voltage range. It is a single, monolithic device that
DC Specifications:
consists of a precision op amp and an integrated thin-
film resistor network. The INA149 can accurately
–
Maximum Offset Voltage: 1100
μV
measure small differential voltages in the presence of
–
Maximum Offset Voltage Drift: 15
μV/°C
common-mode signals up to ±275 V. The INA149
–
Maximum Gain Error: 0.02%
inputs are protected from momentary common-mode
or differential overloads of up to 500 V.
–
Maximum Gain Error Drift: 10 ppm/°C
–
Maximum Gain Nonlinearity: 0.001% FSR
In many applications, where galvanic isolation in not
required, the INA149 can replace isolation amplifiers.
AC Performance:
This ability can eliminate costly isolated input side
–
Bandwidth: 500 kHz
power supplies and the associated ripple, noise, and
–
Typical Slew Rate: 5 V/
μs
quiescent current. The excellent 0.0005% nonlinearity
and 500-kHz bandwidth of the INA149 are superior to
Wide Supply Range: ±2.0 V to ±18 V
those of conventional isolation amplifiers.
–
Maximum Quiescent Current: 900
μA
The INA149 is pin-compatible with the INA117 and
–
Output Swing on ±15-V Supplies: ±13.5 V
INA148 type high common-mode voltage amplifiers
Input Protection:
and offers improved performance over both devices.
–
Common-Mode: ±500 V
The INA149 is available in the SOIC-8 package with
operation specified over the extended industrial
–
Differential: ±500 V
temperature range of –40°C to +125°C.
APPLICATIONS
High-Voltage Current Sensing
Battery Cell Voltage Monitoring
Power-Supply Current Monitoring
Motor Controls
Replacement for Isolation Circuits
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.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2011–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| INA149AIDR | 功能描述:差分放大器 High Common Mode Vltg Diff Amp RoHS:否 制造商:Texas Instruments 通道数量:1 Channel 带宽:2.4 GHz 可用增益调整:6 dB to 26 dB 输入补偿电压: 共模抑制比（最小值）:- 40 dB 工作电源电压:4.75 V to 5.25 V 电源电流:100 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:WQFN-24 封装:Reel |
| INA149AMDREP | 功能描述:差分放大器 EP High Common Mode Vltg Diff Amp RoHS:否 制造商:Texas Instruments 通道数量:1 Channel 带宽:2.4 GHz 可用增益调整:6 dB to 26 dB 输入补偿电压: 共模抑制比（最小值）:- 40 dB 工作电源电压:4.75 V to 5.25 V 电源电流:100 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:WQFN-24 封装:Reel |
| INA149-EP | 制造商:TI 制造商全称:Texas Instruments 功能描述:HIGH COMMON-MODE VOLTAGE DIFFERENCE AMPLIFIER |
| INA149EVM | 功能描述:放大器 IC 开发工具 INA149 Eval Mod RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| INA152 | 制造商:BB 制造商全称:BB 功能描述:Single-Supply DIFFERENCE AMPLIFIER |
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