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參數(shù)資料
| 型號： | TC7135CPIG |
| 元件分類： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, MO-011, DIP-28 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 471K |
| 代理商： | TC7135CPIG |
2004 Microchip Technology Inc.
DS21460C-page 1
TC7135
Features
Low Rollover Error: ±1 Count Max
Nonlinearity Error: ±1 Count Max
Reading for 0V Input
True Polarity Indication at Zero for Null Detection
Multiplexed BCD Data Output
TTL-Compatible Outputs
Differential Input
Control Signals Permit Interface to UARTs and
Microprocessors
Blinking Display Visually Indicates Overrange
Condition
Low Input Current: 1 pA
Low Zero Reading Drift: 2 V/°C
Auto-Ranging Supported with Overrange and
Underrange Signals
Available in PDIP and Surface-Mount Packages
Applications
Precision Analog Signal Processor
Precision Sensor Interface
High Accuracy DC Measurements
General Description
The TC7135 4-1/2 digit A/D Converter (ADC) offers
50 ppm (1 part in 20,000) resolution with a maximum
nonlinearity error of 1 count. An auto-zero cycle
reduces zero error to below 10 V and zero drift to
0.5 V/°C. Source impedance errors are minimized by
a 10 pA maximum input current. Rollover error is
limited to ±1 count.
Microprocessor-based
measurement
systems
are
supported by the BUSY, STROBE and RUN/HOLD
control signals. Remote data acquisition systems with
data transfer via UARTs are also possible. The addi-
tional control pins and multiplexed BCD outputs make
the TC7135 the ideal converter for display or
microprocessor-based measurement systems.
Functional Block Diagram
TC7135
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
100 k
Analog GND
100 k
Signal
Input
0.1 F
Set VREF = 1V
V–
REF IN
ANALOG
COMMON
INT OUT
AZ IN
BUFF OUT
CREF–
CREF+
–INPUT
+INPUT
D5 (MSD)
B1 (LSB)
B2
V+
UNDERRANGE
OVERRANGE
STROBE
RUN/HOLD
DIGTAL GND
POLARITY
CLOCK IN
BUSY
(LSD) D1
D2
D4
(MSB) B8
B4
D3
+5V
1F
100 k
1F
0.47 F
VREF IN
Clock Input
120 kHz
5V
4-1/2 Digit A/D Converter
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC7135CLI | 1-CH DUAL-SLOPE ADC, PQCC28 |
| TC7135CBU | 1-CH DUAL-SLOPE ADC, PQFP64 |
| TC7136ACLW | 1-CH DUAL-SLOPE ADC, ACCESS, PQCC44 |
| TC7136CLW | 1-CH DUAL-SLOPE ADC, ACCESS, PQCC44 |
| TC7136ACKW | 1-CH DUAL-SLOPE ADC, ACCESS, PQFP44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC7135CPL | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:4-1/2 Digit A/D Converter |
| TC7136 | 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 |
| TC7136A | 制造商:TELCOM 制造商全稱:TelCom Semiconductor, Inc 功能描述:LOW POWER, 3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS |
| TC7136ACKW | 功能描述:LCD 驅(qū)動器 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 |
| TC7136ACKW713 | 功能描述:LCD 驅(qū)動器 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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