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参数资料
| 型号： | MAX4292EUA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/18页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP 1.8VU R/R I/O 8-UMAXX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 放大器类型： | 通用 |
| 电路数： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.2 V/µs |
| 增益带宽积： | 500kHz |
| 电流 - 输入偏压： | 15nA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 100µA |
| 电流 - 输出 / 通道： | 20mA |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V，±0.9 V ~ 2.75 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
Detailed Description
Rail-to-Rail Input Stage
The MAX4291/MAX4292/MAX4294 have rail-to-rail
inputs and output stages that are specifically designed
for low-voltage, single-supply operation in the smallest
package possible. The input stage consists of separate
NPN and PNP differential stages, which operate togeth-
er to provide a common-mode range extending to both
supply rails. The crossover region of these two pairs
occurs halfway between VCC and VEE. The input offset
voltage is typically ±200V (MAX4292/MAX4294). Low
operating supply voltage, low supply current, rail-to-rail
common-mode input range, and rail-to-rail outputs
make this family of operational amplifiers (op amps) an
excellent choice for precision or general-purpose, low-
voltage, battery-powered systems.
Since the input stage consists of NPN and PNP pairs,
the input bias current changes polarity as the common-
mode voltage passes through the crossover region.
Match the effective impedance seen by each input to
reduce the offset error caused by input bias currents
flowing through external source impedances (Figures
1a and 1b).
The combination of high-source impedance plus input
capacitance (amplifier input capacitance plus stray
MAX4291/MAX4292/MAX4294
Ultra-Small, 1.8V, Power,
Rail-to-Rail I/O Op Amps
8
_______________________________________________________________________________________
Pin Description
R3
IN
R3 = R1
R2
R1
R2
MAX4291
MAX4292
MAX4294
R3
R3 = R1
R2
R1
R2
MAX4291
MAX4292
MAX4294
IN
Figure 1a. Minimizing Offset Error Due to Input Bias Current
(Noninverting)
Figure 1b. Minimizing Offset Error Due to Input Bias Current
(Inverting)
PIN
MAX4292
MAX4291
MAX/SO
UCSP
MAX4294
NAME
FUNCTION
1
——
—
IN+
Noninverting Input
2
4
C2
11
VEE
Negative Supply. Connect to ground for
single-supply operation.
3
——
—
IN-
Inverting Input
4
——
—
OUT
Amplifier Output
5
8
A2
4
VCC
Positive Supply
—
1, 7
A1, A3
1, 7
OUTA, OUTB
Outputs for Amplifiers A and B
—
2, 6
B1, B3
2, 6
INA-, INB-
Inverting Inputs to Amplifiers A and B
—
3, 5
C1, C3
3, 5
INA+, INB+
Noninverting Inputs to Amplifiers A and B
——
—
8, 14
OUTC, OUTD
Outputs for Amplifiers C and D
——
—
9, 13
INC-, IND-
Inverting Inputs to Amplifiers C and D
——
—
10, 12
INC+, IND+
Noninverting Inputs to Amplifiers C and D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4292EUA+ | 功能描述:运算放大器 - 运放 1.8V uPower Rail-Rail 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 |
| MAX4292EUA+T | 功能描述:运算放大器 - 运放 1.8V uPower Rail-Rail 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 |
| MAX4292EUA-T | 功能描述:运算放大器 - 运放 1.8V uPower Rail-Rail 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 |
| MAX4292EUA-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4292EUB | 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 |
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