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| 型号： | MAX942ESA-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/14页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATR DUAL R-R 3/5V 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 通用 |
| 元件数： | 2 |
| 输出类型： | CMOS，推挽式，TTL |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 2mV @ 5.5V |
| 电流 - 输入偏压（最小值）： | 0.15µA @ 5.5V |
| 电流 - 静态（最大值）： | 600µA |
| CMRR, PSRR（标准）： | 81.94dB CMRR，81.94dB PSRR |
| 传输延迟（最大）： | 80ns |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
MAX941/MAX942/MAX944
Output Stage Circuitry
The MAX941/MAX942/MAX944 contain a current-driven
output stage as shown in Figure 4. During an output
transition, ISOURCE or ISINK is pushed or pulled to the
output pin. The output source or sink current is high
during the transition, creating a rapid slew rate. Once
the output voltage reaches VOH or VOL, the source or
sink current decreases to a small value, capable of
maintaining the VOH or VOL static condition. This signifi-
cant decrease in current conserves power after an out-
put transition has occurred.
One consequence of a current-driven output stage is a
linear dependence between the slew rate and the load
capacitance. A heavy capacitive load will slow down a
voltage output transition. This can be useful in noise-
sensitive applications where fast edges may cause
interference.
__________Applications Information
Circuit Layout and Bypassing
The high gain bandwidth of the MAX941/MAX942/
MAX944 requires design precautions to realize the
comparators’ full high-speed capability. The recom-
mended precautions are:
1) Use a printed circuit board with a good, unbro-
ken, low-inductance ground plane.
2) Place a decoupling capacitor (a 0.1F ceramic
capacitor is a good choice) as close to V+ as
possible.
3) Pay close attention to the decoupling capacitor’s
bandwidth, keeping leads short.
4) On the inputs and outputs, keep lead lengths
short to avoid unwanted parasitic feedback
around the comparators.
5) Solder the device directly to the printed circuit
board instead of using a socket.
High-Speed, Low-Power, 3V/5V, Rail-to-Rail,
Single-Supply Comparators
8
_______________________________________________________________________________________
VOH
tLPW
OUT
tLPD
tPD
V+
0V
V+
0V
V+
2
V+
2
VOL
LATCH
DIFFERENTIAL
INPUT
VOLTAGE
VOS
tH
tS
Figure 2. MAX941 Timing Diagram with Latch Operator
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX942ESA-TG074 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX942EUA | 功能描述:校验器 IC RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX942EUA+ | 功能描述:校验器 IC 3V/5V Rail-Rail Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX942EUA+ | 制造商:Maxim Integrated Products 功能描述:IC HIGH SPEED COMP DUAL 80NS ?MAX-8 |
| MAX942EUA+T | 功能描述:校验器 IC 3V/5V Rail-Rail Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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