BU2508FV_09 Datasheet, PDF (6/9 Pages) Rohm – High-precision 10bit 4ch-E6ch Type D/A Converters

BU2508FV,BU2507FV
●Electrical Characteristics Curves
6
5
4
3
2
1
0
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.1 Output voltage linearity
（-30℃）
1.5
1
0.5
0
-0.5
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.4 Differential linearity error
（-30℃）
1.5
1
0.5
0
-0.5
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.7 Integral linearity error
（-30℃）
6
5
4
3
2
1
0
-40
code=1FFh
code=000h
code=3FFh
10
60
Temp. [℃]
Fig.10 Circuit current temperature
characteristic
Technical Note
6
5
4
3
2
1
0
0
200
400
600
800 1000 1200
Input Code [decimal]
Fig.2 Output voltage linearity
（25℃）
1.5
1
0.5
0
-0.5
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.5 Differential linearity error
（25℃）
1.5
1
0.5
0
-0.5
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.8 Integral linearity error
（25℃）
2.52
2.51
Ta=25℃
Ta=-30℃
2.5
Ta=85℃
2.49
2.48
-2.5
-1.5
-0.5
0.5
1.5
2.5
IOUT [mA]
Fig.11 Output load fluctuation characteristic
(input code : 1FFh)
6
5
4
3
2
1
0
0
200
400
600
800 1000 1200
Input Code [decimal]
Fig.3 Output voltage linearity
（85℃）
1.5
1
0.5
0
-0.5
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.6 Differential linearity error
（85℃）
1.5
1
0.5
0
-0.5
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.9 Integral linearity error
（85℃）
1.5
1
Ta=85℃
0.5
0
Ta=25℃
-0.5
Ta=-30℃
-1
-1.5
0
200 400 600 800 1000 1200
Input Code [decimal]
Fig.12 Pull-up built in resistance
characteristic
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6/8
2009.06 - Rev.A