參數(shù)資料
型號(hào)： TC7136CKW
廠商： TelCom Semiconductor, Inc.
英文描述： LOW POWER, 3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS
中文描述： 低功耗，3-1/2數(shù)字模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 12/12頁(yè)
文件大?。?/td> 192K
代理商： TC7136CKW
3-258
TELCOM SEMICONDUCTOR, INC.
TC7136
TC7136A
LOW POWER, 3-1/2 DIGIT
ANALOG-TO-DIGITAL CONVERTERS
Figure 11. Decimal Point and Annunciator Drives
Figure 13. Temperature Sensor
Figure 12. Low Parts Count Ratiometric Resistance
Measurement
TC7136
TC7136A
V+
V–
V–
V+
V+
V–
COMMON
5.6 k
160 k
R2
20 k
1N4148
9V
R1
20 k
+
R3
0.7%/°C
PTC
TC7136
TC7136A
V+
V–
V–
V+
V+
V–
COMMON
50 k
R2
160 k
300 k
300 k
R1
50 k
1N4148
SENSOR
9V
+
Ratiometric Resistance Measurements
The TC7136A's true differential input and differential
reference make ratiometric readings possible. In ratiometric
operation, an unknown resistance is measured with respect
to a known standard resistance. No accurately-defined
reference voltage is needed.
The unknown resistance is put in series with a known
standard and a current passed through the pair. The voltage
developed across the unknown is applied to the input and
the voltage across the known resistor applied to the refer-
ence input. If the unknown equals the standard, the display
will read 1000. The displayed reading can be determined
from the following expression:
Displayed reading =
×
1000.
The display will overrange for R
UNKNOWN
≥
2
×
R
STANDARD
.
R
UNKNOWN
R
STANDARD
V
REF
V
REF
+
V
IN
+
V
IN
ANALOG
COMMON
–
TC7136
TC7136A
LCD
R
STANDARD
R
UNKNOWN
V+
V+
V+
TC7136
TC7136A
V+
V+
TC7136
TC7136A
4049
4030
BP
TEST
BP
TEST
GND
GND
TO LCD
DECIMAL
POINT
TO LCD
BLACK
PLANE
TO LCD
DECIMAL
POINTS
DECIMAL
POINT
SELECT
21
37
Multiple Decimal Point or
Annunciator Driver
Simple Inverter for Fixed Decimal Point
or Display Annunciator
Figure 14. Positive Temperature Coefficient Resistor
Temperature Sensor
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TC7136CKW713 功能描述:LCD 驅(qū)動(dòng)器 Low Power RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TC7136CLW 功能描述:LCD 驅(qū)動(dòng)器 Low Power RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TC7136CLW713 功能描述:LCD 驅(qū)動(dòng)器 Low Power RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
TC7136CPI 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Low Power 3-1/2 Digit Analog-to-Digital Converter
TC7136CPL 功能描述:LCD 驅(qū)動(dòng)器 Low Power RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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