參數(shù)資料
型號(hào): UPD75066GBA
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): 49/68頁
文件大?。?/td> 640K
代理商: UPD75066GBA
49
μ
PD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
A/D Converter (T
a
= –40 to +85
°
C, V
DD
= 2.7 to 6.0 V, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
8
8
8
bit
Absolute
accuracy
Note1
–10
T
a
+85
°
C
±
1.5
LSB
2.5 V
AV
REF
V
DD
Note2
–40
T
a
<
–10
°
C
±
2.0
LSB
Conversion time
Note3
t
CONV
168/fx
μ
s
Sampling time
Note4
t
SAMP
44/f
X
μ
s
AV
REF
2.5
V
DD
V
Analog input voltage
V
IAN
AV
SS
AV
REF
V
R
AN
1000
M
AV
REF
current
AI
REF
0.7
2.0
mA
Notes 1.
Absolute accuracy excluding quantization error (
±
1/2 LSB)
2.
ADM1 should be set according to the A/D converter reference voltage (AV
REF
) as follows:
When the AV
REF
is between 0.6V
DD
and 0.65V
DD
, either 1 or 0 can be set.
2.5 V
0.6 V
DD
0.65 V
DD
V
DD
(2.7 to 6.0 V)
AV
REF
ADM1 = 0
ADM1 = 1
3.
The time from conversion start instruction execution to conversion end (EOC=1) (40.1
μ
s : at f
X
= 4.19
MHz)
4.
The time from conversion start instruction execution to sampling end (10.5
μ
s : at f
X
= 4.19 MHz)
Analog input
impedance
Reference
input voltage
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