參數(shù)資料
型號(hào): UPD75048
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 53/68頁
文件大?。?/td> 538K
代理商: UPD75048
53
μ
PD75048
A/D CONVERTER
(T
a
= -10 to +70
°
C, V
DD
= 2.7 to 6.0V, AV
SS
= V
SS
= 0V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
Absolute Accuracy*
1
Conversion Time*
2
Sampling Time*
3
8
8
8
bit
LSB
μ
s
μ
s
V
V
V
V
M
mA
2.5V
AV
REF
V
DD
±
1.5
168/f
X
44/f
X
t
CONV
t
SAMP
Analog Input Voltage
Analog Supply Voltage
Reference Input Voltage
Reference Input Voltage
V
IAN
AV
DD
AV
REF+
AV
REF-
AV
REF-
2.5
2.5
0
AV
REF+
V
DD
AV
DD
1.0
2.5V
(AV
ref+
) – (AV
ref-
)
2.5V
(AV
ref+
) – (AV
ref-
)
Analog Input Impedance
AV
REF
Current
*1: Absolute accuracy excluding quantization error (
±
1
2
LSB)
2: Time since execution of conversion start instruction until end of conversion (EOC = 1) (40.1
μ
s: f
X
= 4.19 MHz)
3: Time since execution of conversion start instruction until end of sampling (10.5
μ
s: f
X
= 4.19 MHz)
R
AN
AI
REF
1000
0.25
2.0
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