參數(shù)資料
型號: μPD78P054
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 56/86頁
文件大?。?/td> 502K
代理商: ΜPD78P054
56
μ
PD78P054, 78P058
A/D CONVERTER CHARACTERISTICS (T
A
= –40 to +85
°
C, AV
DD
= V
DD
= 2.7 to 6.0 V, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Resolution
8
8
8
bit
Total error
Note
2.7 V
AV
REF0
AV
DD
μ
PD78P054
1.0
%
μ
PD78P058
1.4
%
Conversion time
t
CONV
19.1
200
μ
s
Sampling time
t
SAMP
12/f
XX
μ
s
Analog input voltage
V
IAN
AV
SS
AV
REF0
V
Reference voltage
AV
REF0
2.7
AV
DD
V
AV
REF0
-AV
SS
resistance
R
AIREF0
4
k
Note
Excluding quantization error (
±
1/2LSB). Shown as a percentage of the full scale value.
Remark
f
XX
: Main system clock frequency (f
X
or f
X
/2)
f
X
: Main system clock oscillation frequency
D/A CONVERTER CHARACTERISTICS (T
A
= –40 to +85
°
C, V
DD
= 2.0 to 6.0 V, AV
SS
= V
SS
= 0 V)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Resolution
8
bit
Total error
R = 2 M
Note 1
1.2
%
R = 4 M
Note 1
0.8
%
R = 10 M
Note 1
0.6
%
Settling time
C = 30 pF
Note 1
4.5 V
AV
REF1
6.0 V
10
μ
s
2.7 V
AV
REF1
< 4.5 V
15
μ
s
2.0 V
AV
REF1
< 2.7 V
20
μ
s
Output resistance
R
O0
DACS0 = 55H
10
k
R
O1
DACS1 = 55H
10
k
Analog reference voltage
AV
REF1
2.0
V
DD
V
AV
REF1
current
AI
REF1
Note 2
1.5
mA
Notes 1.
R and C are the D/A converter output pin load resistance and load capacitance.
2.
Value for one D/A converter channel.
Remark
DACS0, DACS1 : D/A conversion value setting register 0, 1
相關(guān)PDF資料
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μPD78P058 8 Bit Single Chip Microcontrollers(8位單片微控制器)
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