参数资料
型号: MAX4494ASA+
厂商: Maxim Integrated Products
文件页数: 13/15页
文件大小: 0K
描述: IC OP AMP GP DUAL LP 8-SOIC
其它有关文件: Automotive Product Guide
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: 3 V/µs
增益带宽积: 5MHz
电流 - 输入偏压: 200nA
电压 - 输入偏移: 300µV
电流 - 电源: 770µA
电流 - 输出 / 通道: 15mA
电压 - 电源,单路/双路(±): 4.5 V ~ 11 V,±2.25 V ~ 5.5 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
产品目录页面: 1390 (CN2011-ZH PDF)
MAX4493/MAX4494/MAX4495
SC70, Low-Power, General-Purpose,
Dual-Supply, Rail-to-Rail Op Amps
_______________________________________________________________________________________
7
Pin Description
PIN
MAX4493
MAX4494
MAX4495
NAME
FUNCTION
1
OUTA
Channel A Output
2
INA-
Channel A Inverting Input
3
INA+
Channel A Noninverting Input
7
OUTB
Channel B Output
6
INB-
Channel B Inverting Input
5
INB+
Channel B Noninverting Input
8
OUTC
Channel C Output
9
INC-
Channel C Inverting Input
10
INC+
Channel C Noninverting Input
14
OUTD
Channel D Output
13
IND-
Channel D Inverting Input
12
IND+
Channel D Noninverting Input
4
—-
OUT
Output
1
IN+
Noninverting Input
3
IN-
Inverting Input
58
4
VCC
Positive Supply
2
4
11
VEE
Negative Supply
Applications Information
Rail-to-Rail Output Stage
The MAX4493/MAX4494/MAX4495 output stage can
drive up to 1k
Ω and still swing within 200mV of the rails.
Capacitive-Load Stability
Driving large capacitive loads can cause instability in
many op amps. The MAX4493/MAX4494/MAX4495 are
stable with capacitive loads up to 300pF. The
Capacitive-Load Stability graph in the
Typical
Operating Characteristics gives the stable operation
region for capacitive versus resistive load. Stability with
higher capacitive loads can be improved by adding an
isolation resistor in series with the op-amp output, as
shown in Figure 1. This resistor improves the circuit’s
phase margin by isolating the load capacitor from the
amplifier’s output. As seen in the
Typical Operating
Characteristics, driving capacitive loads with an isola-
tion resistor exhibits some overshoot, but no oscillation.
Full-Power Bandwidth
The FPBW is given by:
FPBW Hz
SR
VOUTp p
()
(max)
= []
π
RISO
INPUT
OUTPUT
CL
MAX4493
Figure 1. Capacitive Load Driving Circuit
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MAX4494AUA+ IC OP AMP GP DUAL LP 8-UMAX
相关代理商/技术参数
参数描述
MAX4494ASA+ 功能描述:运算放大器 - 运放 Dual-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
MAX4494ASA+T 功能描述:运算放大器 - 运放 Dual-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
MAX4494ASA-T 功能描述:运算放大器 - 运放 Dual-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
MAX4494AUA 功能描述:运算放大器 - 运放 Dual-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
MAX4494AUA+ 功能描述:运算放大器 - 运放 Dual-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