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TC7135CPI PDF预览

TC7135CPI

更新时间: 2024-11-18 22:42:27
品牌 Logo 应用领域
TELCOM 转换器光电二极管
页数 文件大小 规格书
13页 223K
描述
4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER

TC7135CPI 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, DIP-28Reach Compliance Code:unknown
风险等级:5.76Is Samacsys:N
最大模拟输入电压:2 V转换器类型:ADC, DUAL-SLOPE
JESD-30 代码:R-PDIP-T28JESD-609代码:e0
最大线性误差 (EL):0.005%标称负供电电压:-5 V
模拟输入通道数量:1位数:9
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, WORD
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP28,.6封装形状:RECTANGULAR
封装形式:IN-LINE电源:+-5 V
认证状态:Not Qualified子类别:Analog to Digital Converters
最大压摆率:3 mA标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

TC7135CPI 数据手册

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3
TC7135  
4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER  
FEATURES  
GENERAL DESCRIPTION  
Low Roll-Over Error ......................... ±1 Count Max  
Guaranteed Nonlinearity Error ........ ±1 Count Max  
Guaranteed Zero Reading for 0V Input  
True Polarity Indication at Zero for Null Detection  
Multiplexed BCD Data Output  
TTL-Compatible Outputs  
Differential Input  
Control Signals Permit Interface to UARTs and  
µProcessors  
Auto-Ranging Supported With Overrange and  
Underrange Signals  
Blinking Display Visually Indicates Overrange  
Condition  
Low Input Current............................................. 1 pA  
Low Zero Reading Drift ............................... 2 µV/°C  
Interfaces to TC7211A (LCD) and TC7212A (LED)  
Display Drivers  
The TC7135 4-1/2 digit analog-to-digital 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. Roll-over error is limited to ±1 count.  
By combining the TC7135 with a TC7211A (LCD) or  
TC7212A (LED) driver, a 4-1/2 digit display DVM or DPM can  
be constructed. Overrange and underrange signals support  
automatic range switching and special display blanking/flash-  
ing applications.  
Microprocessor-based measurement systems are sup-  
ported by BUSY, STROBE, and RUN/HOLD control signals.  
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 dis-  
play or microprocessor-based measurement systems.  
Available in DIP and Surface-Mount Packages  
ORDERING INFORMATION  
Temperature  
Part No.  
Package  
Range  
TC7135CBU  
64-Pin Plastic  
Flat Package  
28-Pin PLCC  
0°C to +70°C  
TC7135CLI  
TC7135CPI  
0°C to +70°C  
0°C to +70°C  
28-Pin Plastic DIP  
TYPICAL 4-1/2 DIGIT DVM WITH LCD  
4-1/2 DIGIT LCD  
+5V  
6.8 k  
SEGMENT  
+5V  
D
R
I
V
E
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
11615 1412 5 3 4  
CD4054A  
7 8 13 1110 9 2 6  
–5V  
V
UR  
OR  
0.1 µF  
REF IN  
100 kΩ  
0.47 µF  
1 µF  
3
TC04  
ANALOG  
COMMON  
INT OUT  
BACKPLANE  
+5V  
STROBE  
RUN/HOLD  
DGND  
POL  
4
5
ANALOG  
GROUND  
AZ IN  
120 Hz = 3 READING/SEC  
CLOCK IN  
1
+
6
BUFF OUT  
5
V
7
BP  
100 kΩ  
CD4081  
C
CLOCK  
BUSY  
D1  
REF  
1/4 CD4030  
1 µF  
31  
8
+
REF  
1
2
3
4
D
D
D
D
C
+5V  
9
32  
33  
34  
–INPUT  
SEG  
OUT  
0.1  
µF  
10  
11  
12  
13  
14  
INPUT  
+INPUT  
D2  
+
+5V  
V
D3  
2,3,4  
6–26  
37–40  
100 kΩ  
D5  
D4  
TC7135  
30  
29  
TC7211A  
B1  
B2  
B3  
B2  
B1  
B0  
B8  
15  
36  
B4  
+5V  
OSC  
28  
27  
OPTIONAL  
CAP  
35  
GND  
TC7135-10 11/6/96  
TELCOM SEMICONDUCTOR, INC.  
3-113  

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