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| 型号： | MAX9001ESD+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP LP HI SPEED 14-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 放大器，比较器，参考 |
| 应用： | 智能卡 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1390 (CN2011-ZH PDF) |
MAX9000–MAX9005
Reference Bypassing
While the internal reference is stable with capacitive
loads up to 100nF, it does not require an output capaci-
tor for stability. However, in applications where the load
or the supply could experience large step changes, an
output capacitor reduces the amount of overshoot and
improves the circuit’s transient response.
Comparator Input Stage
The comparator’s input bias current is typically 8nA. To
reduce the offset error caused by the bias current flow-
ing through the external source impedance, match the
effective impedance seen by each input. High source
impedance together with the comparator’s input capaci-
tance can increase the propagation delay through the
comparator. The outputs do not undergo phase rever-
sal when the input common-mode range is exceeded,
and the input impedance is relatively constant for input
voltages within both supply rails.
Comparator Hysteresis
Built-in ±2mV hysteresis improves the comparator’s
noise immunity. It prevents unstable outputs with slow-
moving or noisy input signals. If additional hysteresis is
required, add positive feedback as shown in Figure 6.
This configuration increases the hysteresis band to
desired levels, but also increases power consumption
and slows down the output response.
Low-Power, High-Speed, Single-Supply
Op Amp + Comparator + Reference ICs
14
______________________________________________________________________________________
2
s/div
VIN
50mV/
div
VOUT
50mV/
div
MAX9000-FIG03
Figure 3. MAX9000/MAX9001/MAX9002 Op-Amp Small-Signal
Transient Response with Capacitive Load (CL = 510pF) and
Isolation Resistor (RISO = 91)
Figure 5. Compensation for Input Capacitance
R1
R2
2pF TO 10pF
AOUT
AIN+
2
s/div
VIN
50mV/
div
VOUT
50mV/
div
MAX9000-FIG04
VDD = +1
CL = 510pF
Figure 4. MAX9000/MAX9001/MAX9002 Op-Amp Small-Signal
Transient Response with Capacitive Load (CL = 510pF) and
No Isolation Resistor
REF
R2
R1
COUT
VIN
Figure 6. External Hysteresis
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9001ESD+ | 功能描述:高速运算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX9001ESD+T | 功能描述:高速运算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX9001ESD-T | 功能描述:高速运算放大器 RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX9001EUA | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Voltage-Feedback Operational Amplifier |
| MAX9001EUB | 功能描述:高速运算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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