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| 型号： | MAX9012ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR TTL 8-SOIC |
| 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： | TTL |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 3mV @ 5.5V |
| 电流 - 输入偏压（最小值）： | 0.5µA @ 5V |
| 电流 - 输出（标准）： | 40mA |
| 电流 - 静态（最大值）： | 4.2mA |
| CMRR, PSRR（标准）： | 95dB CMRR，82dB PSRR |
| 传输延迟（最大）： | 9ns |
| 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) |
MAX9010–MAX9013
SC70, 5ns, Low-Power, Single-Supply,
Precision TTL Comparators
8
_______________________________________________________________________________________
tional factor in resolution is the comparator’s stability in
its linear region. Many high-speed comparators are
useless in their linear region because they oscillate.
This makes the differential input voltage region around
zero unusable. Hysteresis helps to cure the problem
but reduces resolution (Figure 2). The devices do not
oscillate in the linear region and require no hysteresis,
which greatly enhances their resolution.
Applications Information
Power Supplies, Bypassing, and
Board Layout
These products operate over a supply voltage range of
4.5V to 5.5V. Bypass VCC to GND with a 0.1F surface-
mount ceramic capacitor. Mount the ceramic capacitor
as close as possible to the supply pin to minimize lead
inductance.
As with all high-speed components, careful attention to
board layout is essential for best performance. Use a
PC board with an unbroken ground plane. Pay close
attention to the bandwidth of bypass components and
place them as close as possible to the device.
Minimize the trace length and area at the comparator
inputs. If the source impedance is high, take the utmost
care in minimizing its susceptibility to pickup of unwant-
ed signals.
Input Slew Rate
Most high-speed comparators have a minimum input
slew-rate requirement. If the input signal does not
transverse the region of instability within a propagation
delay of the comparator, the output can oscillate. This
makes many high-speed comparators unsuitable for
processing either slow-moving signals or fast-moving
signals with low overdrive. The design of these devices
eliminates the minimum input slew-rate requirement.
They are excellent for circuits from DC up to 200MHz,
even with very low overdrive, where small signals need
to be resolved.
Figure 1. Timing Diagram
tH
tSU
tPD+
VIN
(DIFFERENTIAL)
LATCH
ENABLE (LE)
OUT
Figure 2. Effect of Hysteresis on Input Resolution
HYSTERESIS
BAND*
WITH HYSTERESIS
IDEAL (WITHOUT HYSTERESIS)
* WHEN HYSTERESIS IS ADDED, A COMPARATOR CANNOT RESOLVE ANY INPUT SIGNAL WITHIN THE HYSTERESIS BAND.
OUT
IN-
IN+
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9012EUA | 功能描述:校验器 IC 5ns Precision TTL 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 |
| MAX9012EUA+ | 功能描述:校验器 IC 5ns Precision TTL 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 |
| MAX9012EUA+T | 功能描述:校验器 IC 5ns Precision TTL 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 |
| MAX9012EUA-T | 功能描述:校验器 IC 5ns Precision TTL 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 |
| MAX9013 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:SC70, 5ns, Low-Power, Single-Supply, Precision TTL Comparators |
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