
BU2508FV,BU2507FV
Technical Note
6/8
www.rohm.com
2011.08 - Rev.C
2011 ROHM Co., Ltd. All rights reserved.
●Electrical Characteristics Curves
Fig.10 Circuit current temperature
characteristic
Fig.2 Output voltage linearity
(25℃)
Fig.4 Differential linearity error
(-30℃)
Fig.5 Differential linearity error
(25℃)
Fig.6 Differential linearity error
(85℃)
Fig.7 Integral linearity error
(-30℃)
Fig.8 Integral linearity error
(25℃)
Fig.9 Integral linearity error
(85℃)
Fig.1 Output voltage linearity
(-30℃)
0
1
2
3
4
5
6
0
200
400
600
800
1000
1200
Input Code [decimal]
VOU
T
[V]
0
1
2
3
4
5
6
0
200
400
600
800
1000
1200
Input Code [decimal]
VOUT
[V
]
0
1
2
3
4
5
6
0
200
400
600
800
1000
1200
Input Code [decimal]
VOU
T
[V
]
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]
DNL
[L
S
B
]
-1.5
-1
-0.5
0
0.5
1
1.5
0
200
400
600
800
1000
1200
Input Code [decimal]
DNL
[LSB]
-1.5
-1
-0.5
0
0.5
1
1.5
0
200
400
600
800
1000
1200
Input Code [decimal]
D
N
L
[LSB]
-1.5
-1
-0.5
0
0.5
1
1.5
0
200
400
600
800
1000
1200
Input Code [decimal]
INL
[
L
SB]
-1.5
-1
-0.5
0
0.5
1
1.5
0
200
400
600
800
1000
1200
Input Code [decimal]
INL
[LSB]
-1.5
-1
-0.5
0
0.5
1
1.5
0
200
400
600
800
1000
1200
Input Code [decimal]
INL
[LSB
]
Fig.11 Output load fluctuation characteristic
(input code : 1FFh)
Fig.12 Pull-up built in resistance
characteristic
0
1
2
3
4
5
6
-40
10
60
Temp. [℃]
ICC
[m
A
]
code=1FFh
code=000h
code=3FFh
2.48
2.49
2.5
2.51
2.52
-2.5
-1.5
-0.5
0.5
1.5
2.5
IOUT [mA]
V
O
U
T
[V
]
Ta=-30℃
Ta=25℃
Ta=85℃
-1.5
-1
-0.5
0
0.5
1
1.5
0
200
400
600
800
1000
1200
Input Code [decimal]
D
N
L
[
L
SB]
Ta=-30℃
Ta=25℃
Ta=85℃