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TC7135C/LI PDF预览

TC7135C/LI

更新时间: 2024-11-19 13:14:27
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器
页数 文件大小 规格书
22页 533K
描述
1-CH 4-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQCC28, PLASTIC, LCC-28

TC7135C/LI 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:QLCC包装说明:PLASTIC, LCC-28
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.37Is Samacsys:N
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-SLOPEJESD-30 代码:S-PQCC-J28
JESD-609代码:e3长度:11.505 mm
最大线性误差 (EL):0.005%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:4功能数量:1
端子数量:28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:QCCJ封装等效代码:LDCC28,.5SQ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):245电源:+-5 V
认证状态:Not Qualified座面最大高度:4.572 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: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:11.505 mm
Base Number Matches:1

TC7135C/LI 数据手册

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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  
50ppm (1 part in 20,000) resolution with a maximum  
nonlinearity error of 1 count. An auto zero cycle  
reduces zero error to below 10µV and zero drift to  
0.5µV/°C. Source impedance errors are minimized by  
a 10pA 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 sup-  
ported by BUSY, STROBE and RUN/HOLD control sig-  
nals. Remote data acquisition systems with data  
transfer via UARTs are also possible. The additional  
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: 1pA  
• Low Zero Reading Drift: 2µV/°C  
• Auto-Ranging Supported with Overrange and  
Underrange Signals  
Functional Block Diagram  
–5V  
TC7135  
SET V  
= 1V  
• Available in PDIP and Surface-Mount Packages  
REF  
IN  
V
1
2
3
4
REF  
V-  
28  
Applications  
UNDERRANGE  
OVERRANGE  
100kΩ  
REF IN  
27  
26  
25  
24  
23  
22  
21  
20  
19  
• Precision Analog Signal Processor  
• Precision Sensor Interface  
ANALOG  
STROBE  
COMMON  
Analog GND  
0.47µF  
RUN/HOLD  
INT OUT  
• High Accuracy DC Measurements  
1µF  
5
6
DIGTAL GND  
POLARITY  
CLOCK IN  
BUSY  
AZ IN  
Device Selection Table  
BUFF OUT  
100kΩ  
7
8
9
Clock  
Input  
C
C
-
REF  
REF  
100  
Signal  
Input  
Part Number  
Package  
Temperature Range  
1µF  
kΩ  
120kHz  
+
TC7135CLI  
TC7135CPI  
TC7135CBU  
28-PinPLCC  
28-Pin PDIP  
64-PinPQFP  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-INPUT  
(LSD) D1  
D2  
0.1µF  
10  
11  
12  
13  
14  
+INPUT  
V+  
18  
D3  
+
5V  
17  
16  
15  
D5 (MSD)  
D4  
B1 (LSB)  
B2  
(MSB) B8  
B4  
2002 Microchip Technology Inc.  
DS21460B-page 1  

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