BH2227FV, BH2228FV
Technical Note
2/8
www.rohm.com
2011.08 - Rev.B
2011 ROHM Co., Ltd. All rights reserved.
●Recommended Operating Conditions(Ta=25℃)
Parameter
Symbol
Limits
Unit
Remarks
Min.
Typ.
Max.
VDD power source voltage
VDD
2.7
-
5.5
V
-
VFS voltage to be impressed
VFS
2.7
-
5.5
V
-
Terminal input voltage range
VIN
0
-
VDD
V
-
Analog output current
IO
-1.0
-
1.0
mA
-
Action temperature range
TOPR
-20
-
85
-
Serial clock frequency
FCLK
-
1.0
10.0
MHz
-
Limit load capacity
CL
-
0.1
F
-
●Electrical Characteristics(Unless otherwise specified, VDD=VFS=3.0V, RL=OPEN, CL=0pF, Ta=25℃)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
<Current consumption>
VDD system
IDD
-
0.5
1.5
mA
VDD=5V,CLK=1MHz
VFS system
IFS
-
0.3
0.9
mA
<Logic interface>
L input voltage
VIL
VSS
-
0.6
V
VDD=5.0V
H input voltage
VIH
2.4
-
VDD
V
VDD=5.0V
Input current
IIN
-10
-
10
A
<Buffer amplifier>
Output zero scale voltage
ZS
VSS
-
0.1
V
00h setting, at no load
VSS
-
0.3
V
00h setting, IOL=1.0mA
Output full scale voltage
FS1
VDD-0.1
-
VDD
V
FFh setting, at no load
VDD-0.3
-
VDD
V
FFh setting,IOH=1.0mA
FS2
VFS-0.1
-
VFS
V
FFh setting, at no load
VFS-0.3
-
VFS
V
FFh setting,IOH=1.0mA
<D/A converter precision>
Differential non linearity error
DNL
-1.0
-
1.0
LSB
Input code 02H to FDH
Integral non linearity error
INL
-1.5
-
1.5
LSB
Input code 02H to FDH
VDD power source voltage rise time
trVDD
100
-
s
VDD=0→2.7
Power ON reset release voltage
VPOR
-
1.9
-
V
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