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参数资料
| 型号： | MAX9041AESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR SNGL 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 带电压基准 |
| 元件数： | 1 |
| 输出类型： | CMOS，推挽式，满摆幅，TTL |
| 电压 - 电源，单路/双路(±)： | 2.5 V ~ 5.5 V |
| 电压 - 输入偏移（最小值）： | 5mV @ 5V |
| 电流 - 输入偏压（最小值）： | 1pA @ 5V |
| 电流 - 输出（标准）： | 8mA |
| 电流 - 静态（最大值）： | 72µA |
| CMRR, PSRR（标准）： | 80dB CMRR，80dB PSRR |
| 传输延迟（最大）： | 450ns |
| 磁滞： | ±3mV |
| 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： | 管件 |
| 产品目录页面： | 1391 (CN2011-ZH PDF) |
11
Maxim Integrated
Micropower, Single-Supply, UCSP/SOT23
Comparator + Precision Reference ICs
MAX9038–MAX9043/
MAX9050–MAX9053
and
4) Select R2. In this example, we will choose 1k
Ω.
5) Select VHYS. In this example, we will choose 50mV.
6) Solve for R1:
where R1
≈100kΩ, VTH = 2.525V, and VTL = 2.475V.
Board Layout and Bypassing
Power-supply bypass capacitors are not typically need-
ed, but would be called for in cases where supply
impedance is high, supply leads are long, or excessive
noise is expected on the supply lines. Use 100nF
bypass capacitors under these conditions. Minimize
signal trace lengths to reduce stray capacitance.
Reference Output/Load Capacitance
The MAX9038/MAX9039/MAX904_/MAX905_ do not
require an output capacitor on REF for frequency stabil-
ity. They are stable for capacitive loads up to 4.7nF.
However, in applications where the load or the supply
can experience step changes, an output capacitor will
reduce the amount of overshoot (or undershoot) and
assist the circuit’s transient response. When an appli-
cation is not subject to transient conditions, the REF
capacitor can be omitted.
Biasing for Data Recovery
Digital data is often embedded into a bandwidth- and
amplitude-limited analog path. Recovering the data can
be difficult. Figure 2 compares the input signal to a
time-averaged version of itself. This self-biases the
threshold to the average input voltage for optimal noise
margin.
Even severe phase distortion is eliminated from the dig-
ital output signal. Be sure to choose R1 and C1 so that:
where fCAR is the fundamental carrier frequency of the
digital data stream.
f
1
2R1C1
CAR >>
π
0 050
5
1000
1 1000
.
=
+
R
VV
R
RR
HYS
CC
=
+
2
12
V
R
RR
TL =
+
25 1
2
12
.
V
R
RR
TH =+
+
25
2
12
..
MAX9038–MAX9043
MAX9050–MAX9053
OUT
IN+
IN-
10k
Ω
0.1
μF
VCC
VIN
VEE
VCC
Figure 2. Time Averaging of the Input Signal for Data Recovery
相关PDF资料 |
PDF描述 |
|---|---|
| MAX931EPA+ | IC COMPARATOR W/REF 8-DIP |
| MAX931CUA+ | IC COMPARATOR W/REF 8-UMAX |
| MAX9203ESA+ | IC COMPARATOR LP 8-SOIC |
| MAX931CPA+ | IC COMPARATOR SNGL W/REF LP 8DIP |
| MAX981CSA+ | IC COMPARATOR OD 8-SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9041AESA+ | 功能描述:校验器 IC uPower Comparator + Prec Reference 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 |
| MAX9041AESA+T | 功能描述:校验器 IC uPower Comparator + Prec Reference 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 |
| MAX9041AESA-T | 功能描述:校验器 IC uPower Comparator + Prec Reference 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 |
| MAX9041AEUT | 制造商:Maxim Integrated Products 功能描述:LOW-POWER SINGLE-SUPPLY SOT23 COM - Rail/Tube |
| MAX9041AEUT+ | 制造商:Maxim Integrated Products 功能描述:COMPARATOR SGL R-R I/O 5.5V 6PIN SOT-23 - Rail/Tube |
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