參數(shù)資料
型號: UPD75512GFA
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): 52/64頁
文件大小: 494K
代理商: UPD75512GFA
μ
PD75512(A)
52
(3)
A/D Converter (T
a
= -40 to +85
°
C, V
DD
= 3.5 to 6.0 V, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
8
TYP.
8
MAX.
8
±
2.0
168/f
X
44/f
X
AV
REF
Unit
bit
Resolution
Absolute Accuracy*
1
Conversion Time*
3
Sampling Time*
4
Analog Input Voltage
2.5 V
AV
REF
V
DD
*
2
LSB
μ
s
μ
s
V
M
mA
t
CONV
t
SAMP
V
IAN
AV
SS
Analog Input Impedance
AV
REF
Current
*1: Absolute accuracy excluding quantization error (
±
1
2
LSB)
2: Set ADM1 as follows, in respect to the reference voltage of the AD converter (AV
REF
).
R
AN
AI
REF
1000
1.0
2.0
ADM1 can be set to either 0 or 1 when 0.6V
DD
AV
REF
0.65V
DD
3: Time since execution of conversion start instruction until EOC = 1 (40.1
μ
s: f
X
= 4.19 MHz)
4: Time since execution of conversion start instruction until end of sampling (10.5
μ
s: f
X
= 4.19 MHz)
2.5 V
0.6 V
DD
0.65 V
DD
V
DD
(3.5 to 6.0 V)
ADM1=0
ADM1=1
AV
REF
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