
BH2227FV, BH2228FV
Technical Note
6/8
www.rohm.com
2011.08 - Rev.B
2011 ROHM Co., Ltd. All rights reserved.
●Electrical Characteristics Curves
Fig.6 VDD current
consumption
Fig.7 VFS current
consumption
Fig.8 Output voltage
characteristic
Fig.9 Differential non linearity
error
Fig.10 Integral non linearity
error
Fig.11 Power source voltage to
differential non linearity error
Fig.12 Power source voltage
to integral non linearity error
Fig.13 Output zero scale
voltage
Fig.14 Output full scale
voltage
Fig.15 Reset release voltage
Fig.16 Settling time
Fig.17 Input voltage
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VDD[V]
CIRCUIT
CURRE
NT:IDD[mA
]
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VFS[V]
CIRCUIT
CURRE
NT:IFS
[mA
]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
-50
-25
0
25
50
75
100
TEMPARATURE:Ta[℃]
R
ESET
VOLTAGE:VPOR
[V]
0
20
40
60
80
100
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VCC[V]
SETTL
IN
G
TIME:tOU
T
[s]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VCC[V]
IN
PU
T
VOLTAGE:VIL,VIH
[V]
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VCC[V]
INL
[LSB]
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VCC[V]
ZER
O
SC
ALE
VOLTAGE:ZS[m
V]
-140
-120
-100
-80
-60
-40
-20
0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VCC[V]
FU
LL
SC
ALE
VOLTAGE:FS[m
V]
-0.4
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
0.4
0
64
128
192
256
INPUT CODE [dec]
DNL
[L
SB]
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
64
128
192
256
INPUT CODE [dec]
INL
[LSB]
0.00
0.05
0.10
0.15
0.20
0.25
0.0
1.0
2.0
3.0
4.0
5.0
6.0
SUPPLY VOLTAGE:VCC[V]
DNL
[L
SB]
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
64
128
192
256
INPUT CODE [dec]
OUTPUT
VOLTAGE:Vo[V]
85℃
25℃
-20℃
25℃
85℃
-20℃
25℃
85℃
25℃
-20℃
85℃
25℃
-20℃
VDD=3.0V
IL=1.0mA
VIH
VIL