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| 型号： | MAX4238AUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC AMP ULT HIGH PREC LN SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.35 V/µs |
| 增益带宽积： | 1MHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 0.1µV |
| 电流 - 电源： | 600µA |
| 电流 - 输出 / 通道： | 40mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 标准包装 |
| 其它名称： | MAX4238AUT+TDKR |
MAX4238/MAX4239
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
19-2424; Rev 4; 1/14
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX4238/MAX4239 are low-noise, low-drift, ultra-
high precision amplifiers that offer near-zero DC offset
and drift through the use of patented autocorrelating
zeroing techniques. This method constantly measures
and compensates the input offset, eliminating drift over
time and temperature and the effect of 1/f noise. Both
devices feature rail-to-rail outputs, operate from a single
2.7V to 5.5V supply, and consume only 600A. An active-
low shutdown mode decreases supply current to 0.1A.
The MAX4238 is unity-gain stable with a gain-band-
width product of 1MHz, while the decompensated
MAX4239 is stable with AV
≥ 10V/V and a GBWP of
6.5MHz. The MAX4238/MAX4239 are available in 8-pin
narrow SO, 6-pin TDFN and SOT23 packages.
Applications
Thermocouples
Strain Gauges
Electronic Scales
Medical Instrumentation
Instrumentation Amplifiers
Features
o Ultra-Low, 0.1V Offset Voltage
2.0V (max) at +25°C
2.5V (max) at -40°C to +85°C
3.5V (max) at -40°C to +125°C
o Low 10nV/°C Drift
o Specified over the -40°C to +125°C Automotive
Temperature Range
o Low Noise: 1.5VP-P from DC to 10Hz
o 150dB AVOL, 140dB PSRR, 140dB CMRR
o High Gain-Bandwidth Product
1MHz (MAX4238)
6.5MHz (MAX4239)
o 0.1A Shutdown Mode
o Rail-to-Rail Output (RL = 1kΩ)
o Low 600A Supply Current
o Ground-Sensing Input
o Single 2.7V to 5.5V Supply Voltage Range
o Available in a Space-Saving 6-Pin SOT23 and
TDFN Packages
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
MAX4238/
MAX4239
360
Ω
STRAIN GAUGE
18k
Ω
18k
Ω
AIN
5V
AV = 100
ADC
Typical Application Circuit
Pin Configurations appear at end of data sheet.
Note: All devices are specified over the -40°C to +125°C oper-
ating temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed paddle.
/V denotes an automotive-qualified part.
Ordering Information
PART
PIN-PACKAGE
TOP MARK
MAX4238AUT-T
6 SOT23
AAZZ
MAX4238AUT/V+T
6 SOT23
—
MAX4238ASA
8 SO
—
MAX4238ATT+T
6 TDFN-EP*
+ANG
MAX4239AUT-T
6 SOT23
ABAA
MAX4239AUT/V+T
6 SOT23
—
MAX4239ASA
8 SO
—
MAX4239ATT+T
6 TDFN-EP*
+ANH
Selector Guide
PART
MINIMUM STABLE
GAIN
BANDWIDTH
(MHz)
MAX4238
1V/V
1
MAX4239
10V/V
6.5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4238AUT-TG16 | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4239ASA | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX4239ASA+ | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX4239ASA+T | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX4239ASA-T | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道数量: 输入补偿电压:0.25 mV at +/- 5 V 输入电压范围（最大值）: 安装风格: 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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