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TC7117CLWRT PDF预览

TC7117CLWRT

更新时间: 2024-11-06 20:44:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器
页数 文件大小 规格书
18页 160K
描述
1-CH DUAL-SLOPE ADC, ACCESS, PQCC44, PLASTIC, LCC-44

TC7117CLWRT 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:5.46
转换器类型:ADC, DUAL-SLOPEJESD-30 代码:S-PQCC-J44
JESD-609代码:e3长度:16.5862 mm
湿度敏感等级:1标称负供电电压:-4.5 V
模拟输入通道数量:1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
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:4.5 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:16.5862 mmBase Number Matches:1

TC7117CLWRT 数据手册

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TC7116  
TC7116A  
TC7117  
TC7117A  
3-1/2 Digit Analog-To-Digital Convereters with Hold  
FEATURES  
GENERAL DESCRIPTION  
Low Temperature Drift Internal Reference  
TC7116/TC7117 ............................ 80 ppm/°C Typ.  
TC7116A/TC7117A....................... 20 ppm/°C Typ.  
Display Hold Function  
Directly Drives LCD or LED Display  
Guaranteed Zero Reading With Zero Input  
Low Noise for Stable  
Display .......... 2V or 200mV Full-Scale Range (FSR)  
Auto-Zero Cycle Eliminates Need for Zero  
Adjustment Potentiometer  
True Polarity Indication for Precision Null  
Applications  
The TC7116A/TC7117A are 3-1/2 digit CMOS analog-  
to-digital converters (ADCs) containing all the active  
components necessary to construct a 0.05% resolution  
measurement system. Seven-segment decoders, polarity  
and digit drivers, voltage reference, and clock circuit are  
integrated on-chip. The TC7116A drives liquid crystal  
displays (LCDs) and includes a backplane driver. The  
TC7117A drives common anode light emitting diode (LED)  
displays directly with an 8mA drive current per segment.  
These devices incorporate a display hold (HLDR)  
function. The displayed reading remains indefinitely, as  
long as HLDR is held high. Conversions continue, but  
output data display latches are not updated. The reference  
low input (VREF) is not available as it is with the TC7106/  
7107. VREF is tied internally to analog common in the  
TC7116A/7117A devices.  
Convenient 9V Battery Operation  
(TC7116/TC7116A)  
High Impedance CMOS Differential Inputs.... 1012  
Low Power Operation..................................... 10mW  
The TC7116A/7117A reduces linearity error to less  
than 1 count. Roll-over error (the difference in readings for  
equal magnitude but opposite polarity input signals) is  
below ±1 count. High-impedance differential inputs offer 1  
pA leakage current and a 1012input impedance. The  
15µVP-P noise performance guarantees a “rock solid”  
reading. The auto-zero cycle guarantees a zero display  
reading with a 0V input.  
ORDERING INFORMATION  
PART CODE  
TC711X X XXX  
6 = LCD  
7 = LED  
}
A or blank*  
The TC7116A and TC7117A feature a precision, low-  
drift internal reference, and are functionally identical to the  
TC7116/TC7117. A low-drift external reference is not  
normally required with the TC7116A/TC7117A.  
* "A" parts have an improved reference TC  
Package Code (see below):  
Package  
Code  
Temperature  
Range  
Package  
CKW  
CLW  
CPL  
IJL  
44-Pin PQFP  
0°C to +70°C  
0°C to +70°C  
0.1 µF  
33  
DISPLAY  
HOLD  
LCD DISPLAY (TC7116/7116A)  
OR COMMON ANODE LED  
DISPLAY (TC7117/7117A)  
44-Pin PLCC  
1
34  
+
C
REF  
40-Pin Plastic DIP  
40-Pin CerDIP  
0°C to +70°C  
HLDR  
C
REF  
1 MΩ  
31  
SEGMENT  
DRIVE  
+
2–19  
22–25  
+
V
– 25°C to +85°C  
IN  
ANALOG  
INPUT  
0.01 µF  
TC7116/A  
TC7117/A  
20  
POL  
30  
32  
V
IN  
BACKPLANE  
DRIVE  
MINUS SIGN  
21  
35  
BP/GND  
AVAILABLE PACKAGES  
ANALOG  
COMMON  
+
V
40-Pin PDIP  
40-Pin CDIP  
24 kΩ  
28  
V
BUFF  
+
47 kΩ  
9V  
36  
26  
V
REF  
0.47 µF  
+
V
REF  
1 kΩ  
C
AZ  
100 mV  
29  
27  
0.22 µF  
V
V
INT  
44-Pin PQFP  
OSC OSC OSC  
2
3
1
TO ANALOG  
Formed Leads  
COMMON (PIN 32)  
C
OSC  
39  
38  
40  
3 CONVERSIONS/SEC  
R
100 pF  
OSC  
100 kΩ  
44-Pin Plastic Chip  
Carrier PLCC  
Figure 1. Typical TC7116/A/7/A Operating Circuit  
© 2001 Microchip Technology Inc. DS21457A  
TC7116/A/7117/A-7 9/17/99  

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