UPD784031 Datasheet, PDF (69/90 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLER

µPD784031
D/A CONVERTER CHARACTERISTICS (TA = -40 to +85 °C, VDD = AVDD = +2.7 to 5.5 V, VSS = AVSS = 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Resolution
8
bit
Total error
Load conditions:
4 MΩ, 30 pF
VDD = AVDD = AVREF2
= +2.7 to 5.5 V
AVREF3 = 0 V
0.6
%
VDD = AVDD = +2.7 to 5.5 V
AVREF2 = 0.75VDD
AVREF3 = 0.25VDD
0.8
%
Load conditions:
2 MΩ, 30 pF
VDD = AVDD = AVREF2
= +2.72.7 to 5.5 V
AVREF3 = 0 V
0.8
%
VDD = AVDD = +2.7 to 5.5 V
AVREF2 = 0.75VDD
AVREF3 = 0.25VDD
1.0
%
Settling time
Load conditions: 2 MΩ, 30 pF
10
µs
Output resistance
RO
DACS0, 1 = 55 H
10
kΩ
Analog reference voltage AVREF2
0.75VDD
VDD
V
AVREF3
0
0.25VDD
V
Resistance of AVREF2 and
AVREF3
RAIREF
DACS0, 1 = 55 H
4
8
kΩ
Reference power supply
input current
AIREF2
AIREF3
0
5
mA
-5
0
mA
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