參數資料
型號: HD4074849H
廠商: Hitachi,Ltd.
英文描述: CONTACT
中文描述: 4位單片機
文件頁數: 118/125頁
文件大小: 471K
代理商: HD4074849H
HD404849 Series
118
A/D Converter Characteristics (HD404848/HD4048412/HD404849: V
CC
= 2.7 to 6.0 V, GND = 0 V, T
a
= –20
°
C to +75
°
C; HD4074849: V
CC
= 2.7 to 5.5 V, GND = 0 V, T
a
= –20
°
C to +75
°
C, unless
otherwise specified)
Item
Symbol
Pin(s)
Min
Typ
Max
Unit
Test Condition
Note
Analog power
voltage
AV
CC
AV
CC
V
CC
– 0.3 V
CC
V
CC
+ 0.3 V
1
Analog input
voltage
AV
in
AN
0
–AN
7
AV
SS
AV
CC
V
Current between
AV
CC
and AV
SS
Analog input
capacitance
I
AD
200
μ
A
V
CC
= AV
CC
= 5.0 V
CA
in
AN
0
–AN
7
15
pF
Resolution
8
8
8
Bit
Number of inputs
0
8
Channel
Absolute accuracy —
±
2.0
LSB
Conversion time
34
67
t
cyc
M
Input impedance
Note: 1. Connect to V
CC
when the A/D converter is not used.
AN
0
–AN
7
1
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