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MAX156AEWI/GG8 PDF预览

MAX156AEWI/GG8

更新时间: 2024-11-14 20:43:59
品牌 Logo 应用领域
美信 - MAXIM 光电二极管转换器
页数 文件大小 规格书
20页 961K
描述
ADC, Successive Approximation, 8-Bit, 1 Func, 4 Channel, Parallel, 8 Bits Access, PDSO28, SOIC-28

MAX156AEWI/GG8 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active包装说明:SOP,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.64最大模拟输入电压:2.625 V
最小模拟输入电压:-2.375 V最长转换时间:3.8 µs
转换器类型:ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码:R-PDSO-G28
长度:18.085 mm最大线性误差 (EL):0.1953%
湿度敏感等级:1标称负供电电压:-5 V
模拟输入通道数量:4位数:8
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY输出格式:PARALLEL, 8 BITS
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED采样速率:0.22 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:2.642 mm
标称供电电压:5 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.493 mm
Base Number Matches:1

MAX156AEWI/GG8 数据手册

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EVALUATION KIT AVAILABLE  
MAX155/MAX156  
8-/4-Channel ADCs with Simultaneous  
T/Hs and Reference  
General Description  
Features  
The MAX155/MAX156 are high-speed, 8-bit, multichan-  
nel analog-to-digital converters (ADCs) with simultaneous  
track/holds (T/Hs) to eliminate timing differences between  
input channel samples. The MAX155 has 8 analog input  
channels and the MAX156 has 4 analog input channels.  
Each channel has its own T/H, and all T/Hs sample at the  
same instant. The ADC converts a channel in 3.6µs and  
stores the result in an internal 8x8 RAM. The MAX155/  
MAX156 also feature a 2.5V internal reference and  
power-down capability, providing a complete, sampling  
data-acquisition system.  
8 Simultaneously Sampling Track/Hold Inputs  
3.6µs Conversion Time Per Channel  
Unipolar or Bipolar Input Range  
Single-Ended or Differential Inputs  
Mixed Input Configurations Possible  
2.5V Internal Reference  
Single +5V or Dual ±5V Supply Operation  
Applications  
Phase-Sensitive Data Acquisition  
Vibration and Waveform Analysis  
DSP Analog Input  
AC Power Meters  
Portable Data Loggers  
When operating from a single +5V supply, the MAX155/  
MAX156 perform either unipolar or bipolar, single-ended  
or differential conversions. For applications requiring  
wider dynamic range or bipolar conversions around  
ground, the VSS supply pin may be connected to -5V.  
Conversions are initiated with a pulse to the WR pin, and data  
is accessed from the ADC’s RAM with a pulse to the RD pin.  
A bidirectional interface updates the channel configuration  
and provides output data. The ADC may also be wired for  
output-only operation.The MAX155 comes in 28-pin PDIP  
and wide SO packages, and the MAX156 comes in 24-pin  
narrow PDIP and 28-pin wide SO packages.  
Ordering Information appears at end of data sheet.  
For related parts and recommended products to use with this part, refer  
to www.maximintegrated.com/MAX155.related.  
Functional Diagram  
MAX155  
AIN0  
T/H  
CLK  
AIN1  
T/H  
8-BIT  
A/D  
3.6µs  
REFIN  
AIN2  
T/H  
REFOUT  
2.5V  
AIN3  
T/H  
V
REF  
8
8-BIT  
DATA  
BUS  
AIN4  
T/H  
THREE-  
STATE  
BUFFER  
8
8
8
8 x 8  
RAM  
AIN5  
T/H  
AIN6  
T/H  
AIN7  
T/H  
CS  
RD  
CONTROL  
LOGIC  
8
WR  
MODE  
19-2949; Rev 2; 1/12  

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