
BU2506FV,BU2505FV
Technical Note
7/10
www.rohm.com
2011.04 - Rev.B
2011ROHM Co., Ltd. All rights reserved.
●
Electrical Characteristics Curves
Fig.2 Output voltage linearity (25℃)
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]
DN
L[
LS
B
]
Fig.4 Differential linearity error (-30℃)
Fig.5 Differential linearity error (25℃)
Fig.6 Differential linearity error (85℃)
10
15
20
25
30
35
40
4
4.2 4.4 4.6 4.8
5
5.2 5.4 5.6 5.8
6
Vin [V]
R
up
[k
]
-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]
Fig.7 Integral linearity error (-30℃)
Fig.8 Integral linearity error (25℃)
Fig.9 Integral linearity error (85℃)
-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.10 Circuit current temperature
characteristic
Fig.11 Output load fluctuation characteristic
(input code: 1FFh)
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
]
Fig.12 Pull-up built in resistance
characteristic
Ta=-30℃
Ta=25℃
Ta=85℃
10
15
20
25
30
35
40
4
4.2
4.4
4.6
4.8
5
5.2
5.4
5.6
5.8
6
Vin [V]
Ru
p[
k
]
Ta=-30℃
Ta=25℃
Ta=85℃
code=1FFh
code=000h
code=3FFh
0
1
2
3
4
5
6
-40
10
60
]
Temp. [ ℃
ICC
[
m
A]