
Technical Note
BU7251G,BU7251SG, BU7231G,BU7231SG,
BU7252F/FVM,BU7252S F/FVM,BU7232F/FVM,BU7232S F/FVM
3/18
○B(yǎng)U7231 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Parameter
Symbol
Temperature
range
Guaranteed Limit
Unit
Condition
BU7231G,BU7231SG
Min.
Typ.
Max.
Input Offset Voltage
(*5)
Vio
25℃
-
1
11
mV
-
Input Offset Current
(*5)
Iio
25℃
-
1
-
pA
-
Input Bias Current
(*5)
Ib
25℃
-
1
-
pA
-
Input Common-mode voltage Range
Vicm
25℃
0
-
3
V
(VDD-VSS)=3[V]
Large Signal Voltage Gain
AV
25℃
-
90
-
dB
RL=10[k
]
Supply current
IDD
25℃
-
5
15
μA
RL=
∞
full range
-
30
Power supply rejection ratio
PSRR
25℃
-
80
-
dB
-
Common-mode rejection ratio
CMRR
25℃
-
80
-
dB
-
Output source current
(*6)
IOH
25℃
1
2
-
mA
VDD-0.4
Output sink current
(*6)
IOL
25℃
3
6
-
mA
VSS+0.4
High Level Output Voltage
(*7)
VOH
25℃
VDD-0.1
-
V
RL=10[k
]
Low Level Output Voltage
(*7)
VOL
25℃
-
VSS+0.1
V
RL=10[k
]
Output rise time
Tr
25℃
-
50
-
ns
CL=15pF 100mV over drive
Output fall time
Tf
25℃
-
20
-
ns
CL=15pF 100mV over drive
Propagation delay L to H
TPLH
25℃
-
1.7
-
μs
CL=15pF 100mV over drive
Propagation delay H to L
TPHL
25℃
-
0.5
-
mV
CL=15pF 100mV over drive
(*5)
Abusolute values
(*6)
Reference to power dissipation under the high temperature environment and decide the output current.
Continuous short circuit is occurring the degenerate of output current characteristics.
(*7)
Full range
BU7231:Ta=-40[℃] to +85[℃]
BU7231S,BU7232S:Ta=-40[℃] to +105[℃]
○B(yǎng)U7232 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])
Parameter
Symbol
Temperature
range
Guaranteed Limit
Unit
Condition
BU7232F/FVM
BU7232S F/FVM
Min.
Typ.
Max.
Input Offset Voltage
(*5)
Vio
25℃
-
1
11
mV
-
Input Offset Current
(*5)
Iio
25℃
-
1
-
pA
-
Input Bias Current
(*5)
Ib
25℃
-
1
-
pA
-
Input Common-mode voltage Range
Vicm
25℃
0
-
3
V
(VDD-VSS)=3[V]
Large Signal Voltage Gain
AV
25℃
-
90
-
dB
RL=10[k
]
Supply current
IDD
25℃
-
10
25
μA
RL=
∞
full range
-
50
Power supply rejection ratio
PSRR
25℃
-
80
-
dB
-
Common-mode rejection ratio
CMRR
25℃
-
80
-
dB
-
Output source current
(*6)
IOH
25℃
1
2
-
mA
VDD-0.4
Output sink current
(*6)
IOL
25℃
3
6
-
mA
VSS+0.4
High Level Output Voltage
(*7)
VOH
25℃
VDD-0.1
-
V
RL=10[k
]
Low Level Output Voltage
(*7)
VOL
25℃
-
VSS+0.1
V
RL=10[k
]
Output rise time
Tr
25℃
-
50
-
ns
CL=15pF 100mV over drive
Output fall time
Tf
25℃
-
20
-
ns
CL=15pF 100mV over drive
Propagation delay L to H
TPLH
25℃
-
1.7
-
μs
CL=15pF 100mV over drive
Propagation delay H to L
TPHL
25℃
-
0.5
-
mV
CL=15pF 100mV over drive
(*5)
Abusolute values
(*6)
Reference to power dissipation under the high temperature environment and decide the output current.
Continuous short circuit is occurring the degenerate of output current characteristics.
(*7)
Full range,BU7232:Ta=-40[℃] to +85[℃]
BU7232S:Ta=-40[℃] to +105[℃]