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TC7107ARCPLIJL PDF预览

TC7107ARCPLIJL

更新时间： 2024-11-21 03:10:35
品牌 Logo 应用领域
美国微芯 - MICROCHIP 光电二极管
页数 文件大小 规格书
21页 269K
描述
1-CH DUAL-SLOPE ADC, PDIP40, CERDIP-40

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中文翻译

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TC7107ARCPLIJL 数据手册

 浏览型号TC7107ARCPLIJL的Datasheet PDF文件第2页浏览型号TC7107ARCPLIJL的Datasheet PDF文件第3页浏览型号TC7107ARCPLIJL的Datasheet PDF文件第4页浏览型号TC7107ARCPLIJL的Datasheet PDF文件第5页浏览型号TC7107ARCPLIJL的Datasheet PDF文件第6页浏览型号TC7107ARCPLIJL的Datasheet PDF文件第7页 
TC7106  
TC7106A  
TC7107  
TC7107A  
3-1/2 DIGIT A/D CONVERTERS  
FEATURES  
GENERAL DESCRIPTION  
■ Internal Reference with Low Temperature Drift  
TC7106/7 ....................................... 80ppm/°C Typical  
TC7106A/7A.................................. 20ppm/°C Typical  
■ Drives LCD (TC7106) or LED (TC7107) Display  
Directly  
■ Guaranteed Zero Reading With Zero Input  
■ Low Noise for Stable Display  
The TC7106A and TC7107A 3-1/2 digit direct-display  
drive analog-to-digital converters allow existing 7106/7107  
based systems to be upgraded. Each device has a preci-  
sion reference with a 20ppm/°C max temperature coeffi-  
cient. This represents a 4 to 7 times improvement over  
similar 3-1/2 digit converters. Existing 7106 and 7107 based  
systems may be upgraded without changing external pas-  
sive component values. The TC7107A drives common  
anode light emitting diode (LED) displays directly with 8mA  
per segment. A low-cost, high-resolution indicating meter  
requires only a display, four resistors, and four capacitors.  
The TC7106A low power drain and 9V battery operation  
make it suitable for portable applications.  
The TC7106A/TC7107A reduces linearity error to less  
than 1 count. Rollover error – the difference in readings for  
equal magnitude but opposite polarity input signals – is  
below ±1 count. High impedance differential inputs offer  
1pA leakage current and a 1012Ω input impedance. The  
differential reference input allows ratiometric measurements  
for ohms or bridge transducer measurements. The  
15µVP–P noise performance guarantees a “rock solid” read-  
ing. The auto-zero cycle guarantees a zero display read-  
ing with a zero-volts input.  
■ Auto-Zero Cycle Eliminates Need for Zero  
Adjustment  
■ True Polarity Indication for Precision Null  
Applications  
■ Convenient 9 V Battery Operation (TC7106A)  
■ High Impedance CMOS Differential Inputs.... 1012Ω  
■ Differential Reference Inputs Simplify Ratiometric  
Measurements  
■ Low Power Operation ..................................... 10mW  
ORDERING INFORMATION  
PART CODE  
TC710X X X XXX  
6 = LCD  
7 = LED  
}
A or blank*  
R (reversed pins) or blank (CPL pkg only)  
* "A" parts have an improved reference TC  
Package Code (see below):  
0.1µF  
LCD DISPLAY (TC7106/A) OR  
COMMON ANODE LED  
DISPLAY (TC7107/A)  
33  
–
C
REF  
34  
+
C
REF  
1MΩ  
Package  
Code  
Temperature  
Range  
31  
SEGMENT  
DRIVE  
+
2–19  
+
V
IN  
22–25  
ANALOG  
INPUT  
–
Package  
Pin Layout  
0.01µF  
20  
–
30  
32  
POL  
BP  
V
IN  
MINUS SIGN  
BACKPLANE  
DRIVE  
CKW  
CLW  
CPL  
IPL  
44-Pin PQFP  
44-Pin PLCC  
40-Pin PDIP  
40-Pin PDIP  
40-Pin CerDIP  
Formed Leads  
—
0°C to +70°C  
0°C to +70°C  
21  
1
ANALOG  
COMMON  
+
V
Normal  
Normal  
Normal  
0°C to +70°C  
24kΩ  
1kΩ  
28  
TC7106/A  
TC7107/A  
+
V
BUFF  
– 25°C to +85°C  
– 25°C to +85°C  
9V  
V
47kΩ  
+
REF  
36  
V
0.47µF  
29  
REF  
IJL  
C
V
AZ  
–
35 100mV  
26  
V
REF  
0.22µF  
27  
–
V
INT  
AVAILABLE PACKAGES  
OSC OSC OSC  
2
3
1
TO ANALOG  
COMMON (PIN 32)  
C
39  
38  
40  
OSC  
R
100pF  
3 CONVERSIONS/SEC  
200mV FULL SCALE  
OSC  
100kΩ  
40-Pin CERDIP  
40-Pin Plastic DIP  
Figure 1. TC7106/A/7/A Typical Operating Circuit  
44-Pin Plastic Quad Flat  
Package Formed Leads  
44-Pin Plastic Chip  
Carrier PLCC  
TC7106/6A/7/7A-7 11/4/96  
TelCom Semiconductor reserves the right to make changes in the circuitryand specifications to its devices.  
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