參數(shù)資料
型號(hào): UPD784020
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 16/8-BIT單片機(jī)
文件頁(yè)數(shù): 71/90頁(yè)
文件大?。?/td> 614K
代理商: UPD784020
71
m
PD784020, 784021
D/A CONVERTER CHARACTERISTICS (T
A
= –40 to +85
°
C, AV
REF2
= V
DD
= AV
DD
= 2.7 to 5.5 V, AV
REF3
= V
SS
= AV
SS
= 0 V)
Note
DACS0, DACS1 = 7FH
Parameter
Resolution
Total error
Note
Settling time
Output resistance
Analog reference voltage
Reference supply input
current
Symbol
R
O
AV
REF2
AV
REF3
AI
REF2
AI
REF3
Unit
bit
%
%
%
%
%
%
%
%
m
s
k
W
V
V
mA
mA
Typ.
20
Max.
0.4
0.6
0.6
0.8
0.6
0.8
0.8
1.0
10
V
DD
0.25V
DD
5
0
Conditions
Load condition:
V
DD
= 4.5 to 5.5 V
4 M
W
, 30 pF
V
DD
= 4.5 to 5.5 V
AV
REF2
= 0.75V
DD
AV
REF3
= 0.25V
DD
AV
REF2
= 0.75V
DD
AV
REF3
= 0.25V
DD
Load condition:
V
DD
= 4.5 to 5.5 V
2 M
W
, 30 pF
V
DD
= 4.5 to 5.5 V
AV
REF2
= 0.75V
DD
AV
REF3
= 0.25V
DD
AV
REF2
= 0.75V
DD
AV
REF3
= 0.25V
DD
Load condition: 2 M
W
, 30 pF
Note
Min.
8
0.75V
DD
0
0
–5
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