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參數(shù)資料
| 型號： | TC820CPL |
| 元件分類： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數(shù)： | 22/24頁 |
| 文件大小： | 185K |
| 代理商： | TC820CPL |
7
TC820
3-3/4 A/D Converter with Frequency
Counter and Logic Probe
TC820-10 10/17/96
2001 Microchip Technology Inc.
DS21476A
FUNCTIONAL BLOCK DIAGRAM
RANGE/FREQ
INPUT
TRIPLEX
DRIVERS
DISPLAY
LATCH
COMPARATOR
A > B
A/D COUNTER
(3999 COUNTS)
LOGIC
LOW
LOGIC
DP0/LO
DP1/HI
RANGE/
FREQ
FREQ/
VOLTS
BUZZER
DRIVER
BUZ IN
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
UNDERRANGE
OVERRANGE
RANGE
EOC
DGND UR OR
EOC/
HOLD
PEAK
HOLD
ANNUNC
SEG0 BP3
VDISP
15
TO LCD
VINT
CAZ
COMMON
VDD
VSS
V
+
REF
V
–
REF
TC820
V
+
IN
V
–
IN
C
+
REF
C
–
REF VBUFF
÷2
÷8
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