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TC7109CLWR PDF预览

TC7109CLWR

更新时间: 2024-10-31 21:07:31
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器
页数 文件大小 规格书
28页 598K
描述
1-CH 12-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQCC44, PLASTIC, LCC-44

TC7109CLWR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:LCC
包装说明:QCCJ,针数:44
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.58
最大模拟输入电压:4 V最小模拟输入电压:-3.5 V
转换器类型:ADC, DUAL-SLOPEJESD-30 代码:S-PQCC-J44
JESD-609代码:e3长度:16.585 mm
湿度敏感等级:1标称负供电电压:-5 V
模拟输入通道数量:1位数:12
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输出格式:PARALLEL, WORD
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:4.57 mm标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:16.585 mmBase Number Matches:1

TC7109CLWR 数据手册

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TC7109/A  
12-Bit µA-Compatible Analog-to-Digital Converters  
Features  
General Description  
• Zero Integrator Cycle for Fast Recovery from  
Input Overloads  
The TC7109A is a 12-bit plus sign, CMOS low power  
analog-to-digital converter (ADC). Only eight passive  
components and a crystal are required to form a  
complete dual slope integrating ADC.  
• Eliminates Cross-Talk in Multiplexed Systems  
• 12-Bit Plus Sign Integrating A/D Converter with  
Over Range Indication  
The improved V source current and other TC7109A  
OH  
features make it an attractive per-channel alternative to  
analog multiplexing for many data acquisition applica-  
tions. These features include typical input bias current  
of 1pA, drift of less than 1µV/°C, input noise typically  
• Sign Magnitude Coding Format  
• True Differential Signal Input and Differential  
Reference Input  
• Low Noise: 15µV  
Typ.  
P-P  
15µV , and auto-zero. True differential input and ref-  
P-P  
• Input Current: 1pA Typ.  
erence allow measurement of bridge type transducers,  
such as load cells, strain gauges, and temperature  
transducers.  
• No Zero Adjustment needed  
• TTL Compatible, Byte Organized Tri-State  
Outputs  
The TC7109A provides a versatile digital interface. In  
the Direct mode, chip select and HIGH/LOW byte  
enable control parallel bus interface. In the Handshake  
mode, the TC7109A will operate with industry standard  
UARTs in controlling serial data transmission – ideal for  
remote data logging. Control and monitoring of conver-  
sion timing is provided by the RUN/HOLD input and  
STATUS output.  
• UART Handshake Mode for simple Serial Data  
Transmissions  
Device Selection Table  
Part Number  
(TC7109X)*  
Temperature  
Range  
Package  
TC7109CKW  
TC7109CLW  
TC7109CPL  
TC7109IJL  
44-Pin PQFP  
44-Pin PLCC  
40-Pin PDIP  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-25°C to +85°C  
For applications requiring more resolution, see the  
TC500, 15-bit plus sign ADC data sheet. The TC7109A  
has improved over range recovery performance and  
higher output drive capability than the original TC7109.  
All new (or existing) designs should specify the  
TC7109A wherever possible.  
40-Pin CERDIP  
*The “A” version has a higher IOUT on the digital lines.  
2002 Microchip Technology Inc.  
DS21456B-page 1  

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