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TC820CKW Datasheet

  • TC820CKW

  • 3-3/4 Digit A/D Converter with Frequency Counter and Logic P...

  • 28頁

  • MICROCHIP   MICROCHIP

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TC820
3-3/4 Digit A/D Converter with Frequency Counter
and Logic Probe
Features
鈥?Multiple Analog Measurement System
- Digit A/D Converter
- Frequency Counter
- Logic Probe
鈥?Low Noise A/D Converter:
- Differential Inputs: (1pA Bias Current)
- On-Chip 50ppm/擄C Voltage Reference
鈥?Frequency Counter:
- 4MHz Maximum Input Frequency
- Auto-Ranging Over Four Decade Range
鈥?Logic Probe:
- Two LCD Annunciators
- Buzzer Driver
鈥?3-3/4 Digit Display with Over Range Indicator
鈥?LCD Display Driver with Built-in Contrast Control
鈥?Data Hold Input for Comparison Measurements
鈥?Low Battery Detect with LCD Annunciator
鈥?Under Range and Over Range Outputs
鈥?On-Chip Buzzer Driver with Control Input
鈥?40-Pin Plastic DIP, 44-Pin Plastic Flat Pack, or
44-Pin PLCC Packages
General Description
The TC820 is a 3-3/4 digit, multi-measurement system
especially suited for use in portable instruments. It inte-
grates a dual slope A/D converter, auto-ranging fre-
quency counter and logic probe into a single 44-pin
surface mount, or 40-pin through hole package. The
TC820 operates from a single 9V input voltage (bat-
tery) and features a built-in battery low flag. Function
and decimal point selection are accomplished with sim-
ple logic inputs designed for direct connection to an
external microcontroller or rotary switch.
Device Selection Table
Part
Number
TC820CPL
TC820CKW
TC820CLW
Resolution
3-3/4 Digits
3-3/4 Digits
3-3/4 Digits
Package
40-Pin PDIP
44-Pin PQFP
44-Pin PLCC
Operating
Temp. Range
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
2002 Microchip Technology Inc.
DS21476B-page 1
漏

TC820CKW 產(chǎn)品屬性

  • 96

  • 集成電路 (IC)

  • PMIC - 顯示器驅(qū)動(dòng)器

  • -

  • LCD

  • 7 段 + 2 個(gè)信號(hào)器

  • -

  • A/D，3.75 位數(shù)字

  • 1mA

  • 9V

  • 0°C ~ 70°C

  • 表面貼裝

  • 44-QFP

  • 44-MQFP（10x10）

  • 托盤

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