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TC7135C/KW PDF预览

TC7135C/KW

更新时间: 2024-11-23 18:53:27
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器
页数 文件大小 规格书
24页 365K
描述
1-CH 4-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQFP44, 10 X 10 MM, 2 MM HEIGHT, PLASTIC, MQFP-44

TC7135C/KW 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QFP包装说明:QFP, QFP44,.52SQ,32
针数:44Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.69最大模拟输入电压:2 V
最小模拟输入电压:转换器类型:ADC, DUAL-SLOPE
JESD-30 代码:S-PQFP-G44JESD-609代码:e3
长度:10 mm最大线性误差 (EL):0.005%
湿度敏感等级:3标称负供电电压:-5 V
模拟输入通道数量:1位数:4
功能数量:1端子数量:44
最高工作温度:70 °C最低工作温度:
输出位码:BINARY CODED DECIMAL输出格式:PARALLEL, 4 BITS
封装主体材料:PLASTIC/EPOXY封装代码:QFP
封装等效代码:QFP44,.52SQ,32封装形状:SQUARE
封装形式:FLATPACK峰值回流温度(摄氏度):260
电源:+-5 V认证状态:Not Qualified
座面最大高度:2.45 mm子类别:Analog to Digital Converters
标称供电电压:5 V表面贴装:YES
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:10 mmBase Number Matches:1

TC7135C/KW 数据手册

 浏览型号TC7135C/KW的Datasheet PDF文件第2页浏览型号TC7135C/KW的Datasheet PDF文件第3页浏览型号TC7135C/KW的Datasheet PDF文件第4页浏览型号TC7135C/KW的Datasheet PDF文件第5页浏览型号TC7135C/KW的Datasheet PDF文件第6页浏览型号TC7135C/KW的Datasheet PDF文件第7页 
TC7135  
4-1/2 Digit A/D Converter  
Features  
General Description  
• Low Rollover Error: ±1 Count Max  
• Nonlinearity Error: ±1 Count Max  
• Reading for 0V Input  
The TC7135 4-1/2 digit A/D Converter (ADC) offers  
50 ppm (1 part in 20,000) resolution with a maximum  
nonlinearity error of 1 count. An auto-zero cycle  
reduces zero error to below 10 µV and zero drift to  
0.5 µV/°C. Source impedance errors are minimized by  
a 10 pA maximum input current. Rollover error is  
limited to ±1 count.  
• True Polarity Indication at Zero for Null Detection  
• Multiplexed BCD Data Output  
• TTL-Compatible Outputs  
• Differential Input  
Microprocessor-based measurement systems are  
supported by the BUSY, STROBE and RUN/HOLD  
control signals. Remote data acquisition systems with  
data transfer via UARTs are also possible. The addi-  
tional control pins and multiplexed BCD outputs make  
the TC7135 the ideal converter for display or  
microprocessor-based measurement systems.  
• Control Signals Permit Interface to UARTs and  
Microprocessors  
• Blinking Display Visually Indicates Overrange  
Condition  
• Low Input Current: 1 pA  
• Low Zero Reading Drift: 2 µV/°C  
• Auto-Ranging Supported with Overrange and  
Underrange Signals  
• Available in PDIP and Surface-Mount Packages  
Applications  
• Precision Analog Signal Processor  
• Precision Sensor Interface  
• High Accuracy DC Measurements  
Functional Block Diagram  
5V  
TC7135  
Set VREF = 1V  
1
2
3
4
VREF IN  
V–  
28  
UNDERRANGE  
100 kΩ  
REF IN  
27  
OVERRANGE  
ANALOG  
COMMON  
26  
25  
24  
23  
22  
21  
20  
19  
18  
STROBE  
RUN/HOLD  
DIGTAL GND  
POLARITY  
CLOCK IN  
BUSY  
Analog GND  
INT OUT  
1 µF  
0.47 µF  
5
6
AZ IN  
BUFF OUT  
100 kΩ  
Clock Input  
120 kHz  
7
8
9
CREF  
CREF  
+
Signal  
Input  
1 µF  
100 kΩ  
–INPUT  
(LSD) D1  
D2  
0.1 µF  
10  
11  
12  
13  
14  
+INPUT  
V+  
D3  
+
5V  
17  
16  
15  
D5 (MSD)  
D4  
B1 (LSB)  
B2  
(MSB) B8  
B4  
2004 Microchip Technology Inc.  
DS21460C-page 1  

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