參數(shù)資料
型號: TC820CKW
元件分類: ADC
英文描述: 1-CH DUAL-SLOPE ADC, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 22/28頁
文件大小: 616K
代理商: TC820CKW
2002 Microchip Technology Inc.
DS21476B-page 3
TC820
Typical Applications
Peak Hold
Comparator
3-3/4 Digit A/D
Converter
Low
Battery
Detect
Decimal
Point
Drivers
Buzzer
Driver
Function
Select
Logic Probe
Auto-Ranging
Frequency
Counter
Clock
Oscillator
Triple LCD
Drivers
Low Drift Voltage
Differential
Reference
Logic High
Logic Low
Over Range
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
Under Range
Over Range
Analog GND
Volts
Frequency
Logic
Triplex LCD
9V
TC820
Analog Input
+
EOC
Range Frequency
Input
Triples
Drivers
Display
Latch
Comparator
A > B
A/D Counter
(3999 Counts)
Logic
Low
Logic
DP0/LO
DP1/HI
Range/
Frequency
Frequency/
Volts
Buzzer
Driver
BUZIN
Logic
Low
OSC3
OSC2
OSC1
Frequency Counter Input
A/D Counter Select
Range
SEL
B
A
Low Batt
Low
Batt
Detect
A/D Control
DEINT
Under Range
Over Range
Range
EOC
DGND UR OR
EOC/
HOLD
PEAK
HOLD
ANNUNC
SEG0 BP3
VDISP
15
To LCD
VINT
CAZ
Common
VDD
VSS
VREF+
VREF-
TC820
VIN+
VIN-
CREF+CREF-VBUFF
÷2
÷8
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