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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 192K |
| 代理商： | TC7136CKW |
3-247
TELCOM SEMICONDUCTOR, INC.
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8
TC7136
TC7136A
A or blank*
R (reversed pins) or blank (CPL pkg only)
* "A" parts have an improved reference TC
Package Code
(see below)
:
TYPICAL APPLICATIONS
I
I
Thermometry
Bridge Readouts: Strain Gauges, Load Cells, Null
Detectors
Digital Meters: Voltage/Current/Ohms/Power, pH
Digital Scales, Process Monitors
Portable Instrumentation
I
I
I
ORDERING INFORMATION
PART CODE
TC7136X X XXX
Package
Code
Temperature
Range
Package
Pin Layout
CKW
CLW
CPL
44-Pin PQFP
44-Pin PLCC
40-Pin PDIP
Formed Leads
—
Normal
0
°
C to +70
°
C
0
°
C to +70
°
C
0
°
C to +70
°
C
40-Pin Plastic DIP
44-Pin Plastic Quad Flat
Package Formed Leads
44-Pin Plastic Chip
Carrier PLCC
V
REF
+
TC7136
TC7136A
33
34
C
REF
+
240 k
10 k
31
29
39
38
40
V
REF
V
–
OSC
0.47
μF
0.1 μF
1
3
OSC
2
OSC
TO ANALOG COMMON
(PIN 32)
1 CONVERSION/SEC
COSC
560 k
180 k
0.15 μF
0.01 μF
ANALOG
INPUT
–
+
C
REF
–
V
IN
V
IN
–
ANALOG
COMMON
V
INT
V
BUFF
C
AZ
20
21
1
SEGMENT
DRIVE
9–19
22–25
POL
BP
V+
MINUS SIGN
BACKPLANE
28
50 pF
LCD
1 M
27
30
32
35
26
36
9V
+
ROSC
TYPICAL OPERATING CIRCUIT
AVAILABLE PACKAGES
LOW POWER, 3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS
FEATURES
I
Fast Overrange Recovery, Guaranteed First
Reading Accuracy
Low Temperature Drift Internal Reference
TC7136 .......................................70 ppm/
°
C Typ
TC7136A..................................... 35 ppm/
°
C Typ
Guaranteed Zero Reading With Zero Input
Low Noise....................................................15
μ
V
P-P
High Resolution ..............................................0.05%
Low Input Leakage Current ......................1 pA Typ
I
I
I
I
I
10 pA Max
I
Precision Null Detectors With True Polarity at
Zero
High-Impedance Differential Input
Convenient 9V Battery Operation With
Low Power Dissipation ........................ 500
μ
W Typ
I
I
900
μ
W Max
GENERAL DESCRIPTION
The TC7136 and TC7136A are low-power, 3-1/2 digit
with liquid crystal display (LCD) drivers with analog-to-
digital converters. These devices incorporate an "integra-
tor output zero" phase which guarantees overrange
recovery. The performance of existing TC7126, TC7126A
and ICL7126-based systems may be upgraded with minor
changes to external, passive components.
The TC7136A has an improved internal zener refer-
ence voltage circuit which maintains the analog common
temperature drift to 35 ppm/
°
C (typical) and 75 ppm/
°
C
(maximum). This represents an improvement of two to four
times over similar 3-1/2 digit converters. The costly, space-
consuming external reference source may be removed.
The TC7136/A limits linearity error to less than 1 count
on 200 mV or 2V full-scale ranges. Roll-over error — the
difference in readings for equal magnitude but opposite
polarity input signals — is below
±
1 count. High-impedance
differential inputs offer 1 pA leakage currents and a 10
12
input impedance. The differential reference input allows
ratiometric measurements for ohms or bridge transducer
measurements. The 15
μ
V
P-P
noise performance guaran-
tees a "rock solid" reading. The auto-zero cycle guarantees
a zero display readout for a 0V input.
TC7136-6 10/18/96
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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 |
| TC7136CLW | 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 |
| TC7136CLW713 | 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 |
| 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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