Datasheet > ICL7135CPL

ICL7135CPL

更新时间： 2024-02-25 04:36:11

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ICL7135CPL 数据手册

ICL7135

Data Sheet

December 2000

File Number 3093.2

4 / Digit, BCD Output, A/D Converter

Features

The Intersil ICL7135 precision A/D converter, with its

multiplexed BCD output and digit drivers, combines dual-

slope conversion reliability with ±1 in 20,000 count accuracy

and is ideally suited for the visual display DVM/DPM market.

The 2.0000V full scale capability, auto-zero, and auto-

polarity are combined with true ratiometric operation, almost

ideal differential linearity and true differential input. All

necessary active devices are contained on a single CMOS

lC, with the exception of display drivers, reference, and a

clock.

• Accuracy Guaranteed to ±1 Count Over Entire ±20000

Counts (2.0000V Full Scale)

• Guaranteed Zero Reading for 0V Input

• 1pA Typical Input Leakage Current

• True Differential Input

• True Polarity at Zero Count for Precise Null Detection

• Single Reference Voltage Required

• Overrange and Underrange Signals Available for Auto-

Range Capability

The ICL7135 brings together an unprecedented combination

of high accuracy, versatility, and true economy. It features

• All Outputs TTL Compatible

auto-zero to less than 10µV, zero drift of less than 1µV/ C,

• Blinking Outputs Gives Visual Indication of Overrange

input bias current of 10pA (Max), and rollover error of less

than one count. The versatility of multiplexed BCD outputs is

increased by the addition of several pins which allow it to

operate in more sophisticated systems. These include

STROBE, OVERRANGE, UNDERRANGE, RUN/HOLD and

BUSY lines, making it possible to interface the circuit to a

microprocessor or UART.

• Six Auxiliary Inputs/Outputs are Available for Interfacing to

UARTs, Microprocessors, or Other Circuitry

• Multiplexed BCD Outputs

Ordering Information

TEMP.

PKG.

NO.

PART NUMBER RANGE ( C)

PACKAGE

28 Ld PDIP

ICL7135CPI 0 to 70

E28.6

Pinout

ICL7135

(PDIP)

TOP VIEW

V-

REFERENCE

ANALOG COMMON

INT OUT

28 UNDERRANGE

27 OVERRANGE

26 STROBE

25 R/H

AZ IN

24 DIGITAL GND

23 POL

BUFF OUT

REF CAP -

REF CAP +

IN LO

22 CLOCK IN

21 BUSY

(LSD) D1

IN HI 10

V+ 11

19 D2

18 D3

(MSD) D5 12

(LSB) B1 13

B2 14

17 D4

16 (MSB) B8

15 B4

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

12 3 4 5 6 7...15

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与ICL7135CPL相关器件

型号	品牌	获取价格	描述	数据表
ICL7135CQI	MAXIM	获取价格	4 Digit A/D Converter with Multiplexed BCD O
ICL7135CQI+	MAXIM	获取价格	ADC, Dual-Slope, 4-Bit, 1 Func, 1 Channel, Parallel, 4 Bits Access, CMOS, PQCC28, PLASTIC,
ICL7135CQI+T	MAXIM	获取价格	暂无描述
ICL7135CQI-T	MAXIM	获取价格	ADC, Dual-Slope, 4-Bit, 1 Func, 1 Channel, Parallel, 4 Bits Access, CMOS, PQCC28, PLASTIC,
ICL7135IJI	ETC	获取价格	Converter IC
ICL7135IPI	ETC	获取价格	Converter IC
ICL7135MJI	ETC	获取价格	Converter IC
ICL7135MPI	ETC	获取价格	Converter IC
ICL7136	INTERSIL	获取价格	3 1/2 Digit LCD/LED, Low Power Display, A/D Converters with Overrange Recovery
ICL7136	MAXIM	获取价格	Low Power, 3 Digit A/D Converter

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