Technical Note

5/20

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2011.08 - Rev.B

© 2011 ROHM Co., Ltd. All rights reserved.

BA3472F,BA3472FV,BA3472FVM,BA3472RFVM,

BA3474F,BA3474FV,BA3474RFV

○

BA3474R family (Unless otherwise specified VCC=+15[V], VEE=-15[V], Ta=25[℃])

Parameter

Symbol

Temperature

range

Limits

Unit

Condition

BA3474RFV

Min.

Typ.

Max.

Input Offset Voltage

(*8)

Vio

25℃

-

1

10

mV

Vicm=0[V],VOUT=0[V]

-

1.5

10

VCC=5[V],VEE=0[V],Vicm=0[V],

VOUT=VCC/2

Input Offset Current

(*8)

Iio

25℃

-

6

75

nA

Vicm=0[V],VOUT=0[V]

Input Bias Current

(*8)

Ib

25℃

-

100

500

nA

Vicm=0[V],VOUT=0[V]

Supply Current

ICC

25℃

-

8

11

mA

RL=∞

High Level Output Voltage

VOH

25℃

3.7

4

-

V

VCC=5[V],RL=2[kΩ]

13.7

14

-

RL=10[kΩ]

13.5

-

-

RL=2[kΩ]

Low Level Output Voltage

VOL

25℃

-

0.1

0.3

V

VCC=5[V],RL=2[kΩ]

-

-14.7

-14.3

RL=10[kΩ]

-

-

-13.5

RL=2[kΩ]

Large Signal Voltage Gain

AV

25℃

80

100

-

dB

RL≧2[kΩ],VOUT=±10 [V]

Input Common-mode Voltage

Range

Vicm

25℃

0

-

VCC-2.0

V

VCC=5[V],VEE=0[V],

VOUT=VCC/2

Common-mode Rejection Ratio

CMRR

25℃

60

97

-

dB

Vicm=0[V],VOUT=0[V]

Power Supply Rejection Ratio

PSRR

25℃

60

97

-

dB

Vicm=0[V],VOUT=0[V]

Output Source Current

(*9)

IOH

25℃

10

30

-

mA

VIN+=1[V],VIN-=0[V],VOUT=0[V],

Only 1ch is short circuit

Output Sink Current

(*9)

IOL

25℃

20

30

-

mA

VIN+=0[V],VIN-=1[V],VOUT=5[V],

Only 1ch is short circuit

Maximum Frequency

ft

25℃

-

4

-

MHz

-

Slew Rate

SR

25℃

-

10

-

V/μs Av=1,Vin=-10 to +10[V],RL=2[kΩ]

Channel Separation

CS

25℃

-

120

-

dB

-

(*8)

Absolute value

(*9)

Under high temperatures, please consider the power dissipation when selecting the output current.

When the output terminal is continuously shorted the output current reduces the internal temperature by flushing.