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TC8129CKW PDF预览

TC8129CKW

更新时间： 2024-11-01 21:13:27
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器
页数 文件大小 规格书
17页 133K
描述
1-CH PROPRIETARY METHOD ADC, PQFP44, PLASTIC, QFP-44

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中文翻译

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TC8129CKW 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：QFP
包装说明：QFP, QFP44,.57SQ,32针数：44
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.81
最大模拟输入电压：0.4 V转换器类型：ADC, PROPRIETARY METHOD
JESD-30 代码：S-PQFP-G44JESD-609代码：e3
长度：10 mm最大线性误差 (EL)：0.05%
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：QFP
封装等效代码：QFP44,.57SQ,32封装形状：SQUARE
封装形式：FLATPACK峰值回流温度（摄氏度）：NOT SPECIFIED
电源：9 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：9 V表面贴装：YES
技术：BIPOLAR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：NOT SPECIFIED宽度：10 mm
Base Number Matches：1

TC8129CKW 数据手册

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TC8129  
4C\VDigit Auto-Ranging DMM ADC  
FEATURES  
GENERAL DESCRIPTION  
I High Resolution ................................................ 10µV  
The TC8129 is a high resolution, autoranging A/D  
converter for 4³⁄₄ digit digital multimeters (DMMs). When  
combined with the TC8131 LCD controller, the TC8129 will  
measure voltage, current, resistance, capacitance, fre-  
quency and temperature. External components are kept to  
a minimum for low system cost, without compromising  
system performance.  
I 4³⁄₄ Digits  
I 20 Conversions/Second  
I Complete DMM System ADC with TC8131  
— Voltage (DC and AC) ............................ 5 Ranges  
— Ohms ..................................................... 6 Ranges  
— Current (DC and AC)  
— Capacitance .......................................... 5 Ranges  
— Frequency ............................................. 4 Ranges  
I Separate High-Impedance mV Input  
I Fast Continuity with Buzzer  
With an internal resolution of over 500,000 counts, the  
TC8129 produces stable readings when displaying 4³⁄₄  
digits ( 39,999 counts). The 50msec conversion time pro-  
vides a fast bar graph which updates 20 times per second.  
In addition to the autoranging analog inputs, a separate  
direct input to the A/D converter ensures that low-level  
readings are both fast and accurate.  
For AC voltage and current measurements, an on-chip  
op-amp can be configured as an AC-DC converter. An  
external AC-DC converter can also be added to provide  
true RMS measurements. A three-decade frequency  
prescaler allows autoranging frequency measurements from  
4kHz to 4MHz, with 1Hz resolution in the 4kHz range.  
Data is transferred between the TC8129 A/D converter  
and the TC8131 LCD controller via a serial bus that provides  
a simple, flexible, bidirectional interface while minimizing  
pin count.  
I Diode Test  
I Internal Op Amp for AC-DC Converter  
— True RMS with External Converter  
I Serial Data Interface to TC8131 or CMOS Micro-  
computer  
I Single 9V Battery Operation  
I Sleep Mode for Low Power Dissipation  
I Provides Power Supply for TC8131 or CMOS  
Microcomputer  
I Compact 44-Pin Flat Package  
ORDERING INFORMATION  
The TC8129 operates from a single 9 volt battery, and  
provides an on-chip 3 volt power source for the TC8131.  
Power supply current for both ICs is only 1.6mA while  
operating, and 200µA in the “sleep” mode. The TC8129 is  
available in a 44-pin quad plastic flat package.  
Part No.  
Resolution  
Package  
Temp. Range  
TC8129CKW 4³⁄₄ Digits  
44-Pin Plastic 0°C to + 70°C  
Flat Package  
FUNCTIONAL BLOCK DIAGRAM  
VLCTRM 12  
43  
44  
OSC1  
0SC2  
Analog GND  
and  
13  
14  
16  
VHCTRM  
VREFR  
COM  
Oscillator  
Power  
Reference  
42  
3
4
1
2
SLEEP  
+
–
8
9
V
V
mV/RREF  
IRC  
Function  
and  
Range  
Decoder  
INPUT/  
OUTPUT  
Shift  
Results  
and  
Status  
Register  
DGND1  
DGND2  
+
15  
CAP  
Function  
and  
Range  
Switches  
Register  
7
6
5
10  
11  
10meg  
1.1meg  
101k  
10k  
37  
40  
41  
38  
35  
Data  
SCLK  
LD  
RD  
DV  
Serial  
Data  
1k  
Fast  
Continuity  
Comparator  
A/D Converter  
–
21  
V
IN  
36  
34  
Buzzer  
Driver  
Frequency  
Prescaler  
FOUT  
FIN  
18  
17  
20  
19  
ADI  
ADO  
ACVH  
ACVL  
AC/DC  
Converter  
© 2001 Microchip Technology Inc. DS21473A  
TC8129 - 3/29/96-2  
1234567...17

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