参数资料
型号: MAX492ESA+
厂商: Maxim Integrated Products
文件页数: 5/17页
文件大小: 0K
描述: IC OPAMP DUAL MICROPWR R/R 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
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: 25nA
电压 - 输入偏移: 200µV
电流 - 电源: 150µA
电流 - 输出 / 通道: 30mA
电压 - 电源,单路/双路(±): 2.7 V ~ 6 V,±1.35 V ~ 3 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
产品目录页面: 1385 (CN2011-ZH PDF)
MAX492/MAX494/MAX495
Single/Dual/Quad, Micropower,
Single-Supply Rail-to-Rail Op Amps
12
______________________________________________________________________________________
in series with IN-, IN+, or both. Series resistors are not
recommended for amplifier applications, as they may
increase input offsets and decrease amplifier bandwidth.
Output Loading and Stability
Even with their low quiescent current of less than 150A
per op amp, the MAX492/MAX494/MAX495 are well
suited for driving loads up to 1k
while maintaining DC
accuracy. Stability while driving heavy capacitive loads
is another key advantage over comparable CMOS rail-
to-rail op amps.
In op amp circuits, driving large capacitive loads
increases the likelihood of oscillation. This is especially
true for circuits with high loop gains, such as a unity-
gain voltage follower. The output impedance and a
capacitive load form an RC network that adds a pole to
the loop response and induces phase lag. If the pole
frequency is low enough—as when driving a large
capacitive load—the circuit phase margin is degraded,
leading to either an under-damped pulse response or
oscillation.
10
s/div
VIN
50mV/div
VOUT
50mV/div
10
s/div
VIN
50mV/div
VOUT
50mV/div
10
s/div
VIN
50mV/div
VOUT
50mV/div
Figure 7c. MAX492 Voltage Follower with 500pF Load—
RL = ∞
Figure 7a. MAX492 Voltage Follower with 500pF Load—
RL = 5k
Figure 7b. MAX492 Voltage Follower with 500pF Load—
RL = 20k
VIN
50mV/div
VOUT
50mV/div
10
s/div
Figure 6. MAX492 Voltage Follower with 1000pF Load
(RL = ∞)
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相关代理商/技术参数
参数描述
MAX492ESA+ 功能描述:运算放大器 - 运放 Dual uPower Single Supply 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
MAX492ESA+T 功能描述:运算放大器 - 运放 Dual uPower Single Supply 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
MAX492ESA-T 功能描述:运算放大器 - 运放 Dual uPower Single Supply 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
MAX492MJA 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
MAX4932EBC+T 功能描述:多路器开关 IC Dual 3:1 Clickless Audio MUX RoHS:否 制造商:Texas Instruments 通道数量:1 开关数量:4 开启电阻(最大值):7 Ohms 开启时间(最大值): 关闭时间(最大值): 传播延迟时间:0.25 ns 工作电源电压:2.3 V to 3.6 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UQFN-16