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| 型号： | MAX4197ESA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/13页 |
| 文件大小： | 0K |
| 描述： | IC AMP INSTR PREC R-TO-R 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 放大器类型： | 仪表 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.06 V/µs |
| -3db带宽： | 3.1kHz |
| 电流 - 输入偏压： | 6nA |
| 电压 - 输入偏移： | 100µV |
| 电流 - 电源： | 93µA |
| 电流 - 输出 / 通道： | 4.5mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 7.5 V，±1.35 V ~ 3.75 V |
| 工作温度： | -40°C ~ 85°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 |
MAX4194–MAX4197
Micropower, Single-Supply, Rail-to-Rail,
Precision Instrumentation Amplifiers
______________________________________________________________________________________
11
The accuracy and temperature drift of the RG resistors
also influence the IC’s precision and gain drift, and can
be derived from the equation above. With low RG val-
ues, which are required for high-gain operation, para-
sitic resistances may significantly increase the gain
error.
Capacitive-Load Stability
The MAX4194–MAX4197 are stable for capacitive loads
up to 300pF (Figure 6a). Applications that require
greater capacitive-load driving capability can use an
isolation resistor (Figure 6b) between the output and
the capacitive load to reduce ringing on the output sig-
nal. However, this alternative reduces gain accuracy
because RISO (Figure 6c) forms a potential divider with
the load resistor.
INPUT
(50mV/div)
OUTPUT
(50mV/div)
50
s/div
Figure 6b. Small-Signal Pulse Response with Excessive
Capacitive Load (RL = 25k
, CL = 1000pF)
INPUT
(50mV/div)
OUTPUT
(50mV/div)
50
s/div
Figure 6c. Small-Signal Pulse Response with Excessive
Capacitive Load and Isolating Resistor (RISO = 75
, RL =
25k
, CL = 1000pF)
IN-
(MAX4194)
(INTERNAL, MAX4195)
VEE
VREF
VOUT
VCC
RISO
RL
CL
IN+
RG =
∞
Figure 6a. Using a Resistor to Isolate a Capacitive Load from
the Instrumentation Amplifier (G = +1V/V)
SHDN
(5V/div)
MAX4196
OUT
AC-COUPLED
(VDIFF = 200mV,
G = +10V/V)
(500mV/div)
50
s/div
SHDN
(5V/div)
MAX4197
OUT
AC-COUPLED
(VDIFF = 20mV,
G = +100V/V)
(500mV/div)
50
s/div
Figure 5c. MAX4197 Shutdown Mode
Figure 5b. MAX4196 Shutdown Mode
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4197ESA+ | 功能描述:仪表放大器 uPower Single-Supply Rail-Rail Precision RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
| MAX4197ESA+T | 功能描述:仪表放大器 uPower Single-Supply Rail-Rail Precision RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
| MAX4197ESA-T | 功能描述:仪表放大器 uPower Single-Supply Rail-Rail Precision RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
| MAX4198 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers |
| MAX4198_04 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers |
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