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參數(shù)資料
| 型號(hào)： | TC14433ELI |
| 廠商： | TelCom Semiconductor, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | 3-1/2 DIGIT A/D CONVERTERS |
| 中文描述： | 3-1/2位數(shù)的A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 149K |
| 代理商： | TC14433ELI |
3-127
TELCOM SEMICONDUCTOR, INC.
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TC14433
TC14433A
3-1/2 DIGIT A/D CONVERTERS
APPLICATIONS
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Portable Instruments
Digital Voltmeters
Digital Panel Meters
Digital Scales
Digital Thermometers
Remote A/D Sensing Systems
MPU Systems
See Application Notes 19 and 21
TC14433/A-6 10/21/96
FEATURES
Accuracy ...................
±
0.05% of Reading
±
1 Count
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Two Voltage Ranges .............1.999V and 199.9 mV
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Up to 25 Conversions Per Second
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Z
IN
> 1000M Ohms
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Single Positive Voltage Reference
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Auto-Polarity and Auto-Zero
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Overrange and Underrange Signals Available
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Operates in Auto-Ranging Circuits
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Uses On-Chip System Clock or External Clock
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Wide Supply Range .................... e.g.,
±
4.5V to
±
8V
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Package Available .................................. 24-Pin DIP
24-Pin CerDIP, 28-Pin SOIC and 28-Pin PLCC
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GENERAL DESCRIPTION
The TC14433 is a low power, high-performance, mono-
lithic CMOS 3-1/2 digit A/D converter. The TC14433 com-
bines both analog and digital circuits on a single IC, thus
minimizing the number of external components. This dual-
slope A/D converter provides automatic polarity and zero
correction with the addition of two external resistors and two
capacitors. The full-scale voltage range of this ratiometric IC
extends from 199.9 millivolts to 1.999 volts. The TC14433
can operate over a wide range of power supply voltages,
including batteries and standard 5-volt supplies.
The TC14433 will interface with the TC7211A LCD
display driver.
The TC14433A features improved performance over
the industry standard TC14433. Rollover, which is the
measurement of identical positive and negative signals, is
guaranteed to have the same reading within one count for
the TC14433A. Power consumption of the TC14433A is
typically 4 mW, approximately one-half that of the industry
standard TC14433.
ORDERING INFORMATION
Part No.
Package
Temp.Range
– 40
°
C to +85
°
C
– 40
°
C to +85
°
C
– 40
°
C to +85
°
C
0
°
C to +70
°
C
– 40
°
C to +85
°
C
– 40
°
C to +85
°
C
– 40
°
C to +85
°
C
TC14433AEJG
TC14433AELI
TC14433AEPG
TC14433COG
TC14433EJG
TC14433ELI
TC14433EPG
24-Pin CerDIP
28-Pin PLCC
24-Pin Plastic DIP
24-Pin SOIC
24-Pin CerDIP
28-Pin PLCC
24-Pin Plastic DIP
FUNCTIONAL BLOCK DIAGRAM
LATCHES
1'S
10'S
100'S
1,000'S
CLOCK
R
C
CONTROL
LOGIC
CMOS
ANALOG
SUBSYSTEM
DISPLAY
UPDATE
9
DU
END OF
CONVERSION
EOC
R
1
C
1
/
14
R
1
C
1
4
5
6
CO
1
CO
2
7
8
2
1
3
V
REF
V
AG
V
X
REFERENCE VOLTAGE
ANALOG GROUND
ANALOG INPUT
V
DD
V
SS
V
EE
= PIN 24
= PIN 13
= PIN 12
OFFSET
POLARITY DETECT
10
CLK1
11
CLK0
OR
OVERRANGE
MULTIPLEXER
20–23
16–19
DS
DIGIT STROBE
–DS
Q
BCD DATA
–Q
INTEGRATOR
15
OVERFLOW
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC14433 | 3-1/2 DIGIT A/D CONVERTERS |
| TC14433A | surface mount silicon Zener diodes |
| TC14433AEPG | 3-1/2 DIGIT A/D CONVERTERS |
| TC14433EPG | 3-1/2 DIGIT A/D CONVERTERS |
| TC14433COG | 3-1/2 DIGIT A/D CONVERTERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC14433ELI713 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3-1/2 Digit A/D BCD RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TC14433EPG | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3-1/2 Digit A/D BCD RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TC14433EPG | 制造商:Microchip Technology Inc 功能描述:IC ADC 3.5 DIGIT LED/LCD DISPLAY 制造商:Microchip Technology Inc 功能描述:IC, ADC, 3.5 DIGIT LED/LCD DISPLAY |
| TC14433EPG | 制造商:Microchip Technology Inc 功能描述:A/D Converter (A-D) IC |
| TC14433T | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:3-1/2 Digit, Analog-to-Digital Converter |
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