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| 型号： | MAX136CMH+D |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/5页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DIG W/LCD DVR 44MQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| 显示器类型： | LCD |
| 配置： | 7 段显示 |
| 数字或字符： | A/D，3.5 位数字 |
| 电流 - 电源： | 80µA |
| 电源电压： | 9V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 托盘 |
MAX136
Low Power, 3 1 ? 2 Digit A/D Converter
with Display Hold
General Description
The MAX136 is a monolithic analog-to-digital converter
(ADC) with very high input impedance. It differs from the
Maxim ICL7136 in that the MAX136 provides a Hold pin,
which makes it possible to hold or "freeze" a reading. The
MAX136 directly drives a nonmultiplexed liquid crystal
(LCD) display, requiring no external drive circuitry. With
minor external component changes, it is pin compatible
with the ICL7116 but with significantly reduced power
consumption, making the MAX136 a superior device for
portable systems.
Versatility and accuracy are inherent features of this
ADC. The dual-slope conversion technique automatically
rejects interference signals common in industrial envi-
ronments. True differential inputs allow direct measure-
ments of bridge transducer outputs or load cells. The
zero-integrator phase eliminates overrange hangover
and hysteresis effects. The MAX136 offers high accuracy
by lowering rollover error to less than one count and zero
reading drift to less than 1μV/°C.
Features
? Power Dissipation Guaranteed Less than 1mW–9V
Battery Life 3000 Hours Typical
? Hold Pin Allows Indefinite Display Hold
? Guaranteed First Reading Recovery from
Overrange
? On-Board Display Drive Capability—No External
Circuitry Required
? High-Impedance CMOS Differential Inputs
? Low Noise(< 15μV P-P ) Without Hysteresis or
Overrange Hangover
? Clock and Reference On-Chip
? Zero Input Gives Zero Reading
? True Polarity Indication for Precision Null
Applications
? Key Parameters Guaranteed Over Temperature
Ordering Information
Applications
These devices can be used in a wide range of digital
panel meter applications. Most applications, however,
involve the measurement and display of analog data:
PART
MAX136CPL+
MAX136CMH+
MAX136CQH+
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
PIN-PACKAGE
40 PDIP
44 MQFP
44 PLCC
Pressure
Voltage
Resistance
Temperature
Conductance
Current
Speed
Material Thickness
MAX136C/D 0°C to +70°C Dice
+ Denotes a lead(Pb)-free/RoHS-compliant package.
Pin Configurations
Typical Operating Circuit
LCD DISPLAY
ANALOG
INPUT
MAX136
9V
V REF
TO ANALOG
COMMON (P32)
(Detailed Circuit Diagram—See 3rd page)
Pin Configurations continued at end of data sheet
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-0890; Rev 1; 11/12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX136CMH-TD | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX136CPL | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX136CPL+ | 功能描述:模数转换器 - ADC Low-Pwr 3 1/2 Digit ADC 2.5sps RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX136CQH | 制造商:Maxim Integrated Products 功能描述:CONTACT FACTORY - Rail/Tube |
| MAX136CQH+D | 功能描述:模数转换器 - ADC Low-Pwr 3 1/2 Digit ADC 2.5sps RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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