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參數資料
| 型號： | TC820CPL |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 3-3/4 Digit A/D Converter with Frequency Counter and Logic Probe |
| 中文描述： | 3-3/4位A / D轉換頻率計數器和邏輯轉換的探討 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 275K |
| 代理商： | TC820CPL |
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TELCOM SEMICONDUCTOR, INC.
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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 frequency
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 (battery) and features a built-in
battery low flag. Function and decimal point selection are
accomplished with simple logic inputs designed for direct
connection to an external microcontroller or rotary switch.
Ease of use, low power operation and high functional
integration make the TC820 desirable in a variety of analog
measurement applications.
3-3/4 DIGIT A/D CONVERTER WITH FREQUENCY
COUNTER AND LOGIC PROBE
FEATURES
I
Multiple Analog Measurement System
— Digit A/D Converter
— Frequency Counter
— Logic Probe
I
Low Noise A/D Converter:
— Differential Inputs, (1pA Bias Current)
— On-Chip 50PPM/
°
C Voltage Reference
I
Frequency Counter:
— 4Mhz Maximum Input Frequency
— Auto-ranging Over Four Decade Range
I
Logic Probe:
— Two LCD Annunciators
— Buzzer Driver
I
3-3/4 Digit Display with Overrange Indicator
I
LCD Display Driver with Built-in Contrast Control
I
Data Hold Input for Comparison Measurements
I
Low Battery Detect with LCD Annunciator
I
Underrange and Overrange Outputs
I
On-Chip Buzzer Driver with Control Input
I
44-Pin Plastic Flat Pack or PLCC or 40-Pin Plastic
DIP Packages
PEAK HOLD
COMPARATOR
3-3/4 DIGIT
A/D CONVERTER
LOW
BATTERY
DETECT
DECIMAL
POINT
DRIVERS
BUZZER
DRIVER
FUNCTION
SELECT
LOGIC
PROBE
AUTORANGING
FREQUENCY
COUNTER
CLOCK
OSCILLATOR
TRIPLE LCD
DRIVERS
LOW DRIFT VOLTAGE
DIFFERENTIAL
REFERENCE
LOGIC HIGH
LOGIC LOW
OVERRANGE
PKHOLD
LOW BATT
ANNUNCIATOR DRIVE
DECIMAL
POINT
SELECT
BUZZER
CONTROL
FUNCTION
SELECT
DIGITAL GROUND
TO LCD
AND BUZZER
PEAK
HOLD
LOGIC
PROBE
INPUT
FREQUENCY
INPUT
FULL-SCALE
SELECT
UNDERRANGE
OVERRANGE
ANALOG GND
VOLTS
FREQUENCY
LOGIC
TRIPLEX LCD
9V
TC820
ANALOG
INPUT
+
EOC
FUNCTIONAL BLOCK DIAGRAM
ORDERING INFORMATION
Temperature
Range
Part No.
Resolution
Package
TC820CKW
3-3/4 Digits
44-Pin Plastic
Quad Flat Package
44-Pin Plastic
Leadless Chip
Carrier
40-Pin Plastic DIP
0
°
C to +70
°
C
TC820CLW
3-3/4 Digits
0
°
C to +70
°
C
TC820CPL
3-3/4 Digits
0
°
C to +70
°
C
TC820-10 10/17/96
TC820
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|---|---|
| TC820CLW | 3-3/4 DIGIT A/D CONVERTER WITH FREQUENCY COUNTER AND LOGIC PROBE |
| TC820CPL | 3-3/4 DIGIT A/D CONVERTER WITH FREQUENCY COUNTER AND LOGIC PROBE |
| TC820 | 3-3/4 DIGIT A/D CONVERTER WITH FREQUENCY COUNTER AND LOGIC PROBE |
| TC826 | A/D CONVERTER WITH BAR GRAPH DISPLAY OUTPUT |
| TC826CBU | Analog-to-Digital Converter with Bar Graph Display Output |
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