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參數(shù)資料
| 型號： | TC7135CLI |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 4-1/2 Digit A/D Converter |
| 中文描述： | 4-1/2位A / D轉(zhuǎn)換 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 224K |
| 代理商： | TC7135CLI |
3-113
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
GENERAL DESCRIPTION
The TC7135 4-1/2 digit analog-to-digital 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
μ
V and zero drift to 0.5
μ
V/
°
C. Source
impedance errors are minimized by a 10 pA maximum input
current. Roll-over error is limited to
±
1 count.
By combining the TC7135 with a TC7211A (LCD) or
TC7212A (LED) driver, a 4-1/2 digit display DVM or DPM can
be constructed. Overrange and underrange signals support
automatic range switching and special display blanking/flash-
ing applications.
Microprocessor-based measurement systems are sup-
ported by BUSY, STROBE, and RUN/HOLD control signals.
are also possible. The additional control pins and multiplexed
BCD outputs make the TC7135 the ideal converter for dis-
play or microprocessor-based measurement systems.
TC7135
ORDERING INFORMATION
Temperature
Range
Part No.
Package
TC7135CBU
64-Pin Plastic
Flat Package
28-Pin PLCC
0
°
C to +70
°
C
TC7135CLI
0
°
C to +70
°
C
TC7135CPI
28-Pin Plastic DIP
0
°
C to +70
°
C
TC7135
–5V
V
REF IN
ANALOG
COMMON
INT OUT
AZ IN
BUFF OUT
C+
CREF
–INPUT
+INPUT
V
D5
B1
B2
UR
OR
STROBE
RUN/HOLD
DGND
POL
CLOCK
BUSY
D1
D2
D3
0.1 μF
0.47 μF
1 μF
ANALOG
GROUND
100 k
0.1
μF
INPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+5V
28
27
26
25
24
23
22
21
20
19
18
TC04
+5V
1/4 CD4030
CLOCK IN
+5V
BP
D
D
D
D
1
2
3
4
4-1/2 DIGIT LCD
SEGMENT
D
R
I
V
E
5
31
32
33
34
30
29
28
27
TC7211A
SEG
OUT
OSC
GND
36
+5V
+5V
1
CD4081
11615 1412 5 3 4
CD4054A
7 8 13 1110 9 2 6
OPTIONAL
CAP
35
15
120 Hz = 3 READING/SEC
BACKPLANE
B
B
B
B
3
2
1
0
D4
B8
B4
17
16
100 k
100 k
6.8 k
1 μF
+
V+
2,3,4
6–26
37–40
–
+5V
FEATURES
Low Roll-Over Error .........................
±
1 Count Max
I
Guaranteed Nonlinearity Error ........
±
1 Count Max
I
Guaranteed Zero Reading for 0V Input
I
True Polarity Indication at Zero for Null Detection
I
Multiplexed BCD Data Output
I
TTL-Compatible Outputs
I
Differential Input
I
Control Signals Permit Interface to UARTs and
μ
Processors
I
Auto-Ranging Supported With Overrange and
Underrange Signals
I
Blinking Display Visually Indicates Overrange
Condition
I
Low Input Current............................................. 1 pA
I
Low Zero Reading Drift ............................... 2
μ
V/
°
C
I
Interfaces to TC7211A (LCD) and TC7212A (LED)
Display Drivers
I
Available in DIP and Surface-Mount Packages
I
TYPICAL 4-1/2 DIGIT DVM WITH LCD
4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER
TC7135-10 11/6/96
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC7135CPI | 4-1/2 Digit A/D Converter |
| TC7135CBU | 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER |
| TC7135CLI | 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER |
| TC7135CPI | 4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER |
| TC7136 | LOW POWER, 3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC7135CLI713 | 功能描述:LED顯示驅(qū)動(dòng)器 4-1/2 Digit A/D BCD RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| TC7135CPI | 功能描述:LED顯示驅(qū)動(dòng)器 4-1/2 Digit A/D BCD RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube |
| 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 |
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