BU7261G,BU7261SG,BU7241G,BU7241SG,BU7262F/FVM,BU7262SF/FVM,BU7242F/FVM,BU7242SF/FVM

BU7461G,BU7461SG,BU7441G,BU7441SG,BU7462F/FVM,BU7462SF/FVM,BU7442F/FVM,BU7442SF/FVM

Technical Note

3/32

www.rohm.com

2009.05 - Rev.A

© 2009 ROHM Co., Ltd. All rights reserved.

Input-Output Full Swing

BU7261G, BU7261SG, BU7241G, BU7241SG

BU7262F/FVM, BU7262S F/FVM, BU7242F/FVM, BU7242S F/FVM

●

Features

1) Operable low power supply +1.8[V]～+5.5[V]

2) +1.8 [V]～+5.5[V](single supply)

±0.9[V]～±2.75[V](split supply)

3) Operable input-Output full swing

4) High slew rate (BU7261 family , BU7262 family)

5) Low supply current (BU7241 family , BU7242 family)

6) Wide temperature range

-40[℃]～+85[℃]

(BU7261G,BU7262 family , BU7241G,BU7242 family)

-40[℃]～+105[℃]

(BU7261SG,BU7262S family,BU7241SG,BU7242S family)

●

Electrical characteristics

○

BU7261 family , BU7262 family (Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[℃])

Parameter

Symbol

Temperature

Range

Guaranteed limit

Unit

Condition

BU7261G,BU7261SG

Min.

Typ.

Max.

Input Offset Voltage

(*2)(*3)

Vio

25℃

-

1

9

mV

VDD=1.8～5.5[V],

VOUT=VDD/2

Full range

-

-

10

Input Offset Current

(*2)

Iio

25℃

-

1

-

pA

-

Input Bias Current

(*2)

Ib

25℃

-

1

-

pA

-

Supply Current

(*4)

IDD

25℃

-

250

550

μA

RL=∞ All Op-Amps

AV=0[dB],VIN=1.5[V]

Full range

-

-

600

High Level Output Voltage

VOH

25℃

VDD-0.1

-

-

V

RL=10[kΩ]

Low Level Output Voltage

VOL

25℃

-

-

VSS+0.1

V

RL=10[kΩ]

Large Single Voltage Gain

AV

25℃

70

95

-

dB

RL=10[kΩ]

Input Common-mode Voltage Range

Vicm

25℃

0

-

3

V

VDD-VSS=3[V]

Common-mode Rejection Ratio

CMRR

25℃

45

60

-

dB

-

Power Supply Rejection Ratio

PSRR

25℃

60

80

-

dB

-

Output Source Current

(*4)

IOH

25℃

4

10

-

mA

VDD-0.4[V]

Output Sink Current

(*4)

IOL

25℃

5

12

-

mA

VSS+0.4[V]

Slew Rate

SR

25℃

-

1.1

-

V/μs

CL=25[pF]

Gain Bandwidth Product

FT

25℃

-

2

-

MHz

CL=25[pF], AV=40[dB]

Phase Margin

θ

25℃

-

50°

-

-

CL=25[pF], AV=40[dB]

Total Harmonic Distortion

THD

25℃

-

0.05

-

%

VOUT=1[Vp-p],f=1[kHz]

Channel Separation

CS

25℃

-

-

-

dB

Av=40[dB]

Parameter

Symbol

Temperature

Range

Guaranteed limit

Unit

Condition

BU7262 F/FVM

BU7262S F/FVM

Min.

Typ.

Max.

Input Offset Voltage

(*2)(*3)

Vio

25℃

-

1

9

mV

VDD=1.8～5.5[V],

VOUT=VDD/2

Full range

-

-

10

Input Offset Current

(*2)

Iio

25℃

-

1

-

pA

-

Input Bias Current

(*2)

Ib

25℃

-

1

-

pA

-

Supply Current

(*4)

IDD

25℃

-

550

1100

μA

RL=∞ All Op-Amps

AV=0[dB],VIN=1.5[V]

Full range

-

-

1200

High Level Output Voltage

VOH

25℃

VDD-0.1

-

-

V

RL=10[kΩ]

Low Level Output Voltage

VOL

25℃

-

-

VSS+0.1

V

RL=10[kΩ]

Large Single Voltage Gain

AV

25℃

70

95

-

dB

RL=10[kΩ]

Input Common-mode Voltage Range

Vicm

25℃

0

-

3

V

VDD-VSS=3[V]

Common-mode Rejection Ratio

CMRR

25℃

45

60

-

dB

-

Power Supply Rejection Ratio

PSRR

25℃

60

80

-

dB

-

Output Source Current

(*4)

IOH

25℃

4

10

-

mA

VDD-0.4[V]

Output Sink Current

(*4)

IOL

25℃

5

12

-

mA

VSS+0.4[V]

Slew Rate

SR

25℃

-

1.1

-

V/μs

CL=25[pF]

Gain Bandwidth Product

FT

25℃

-

2

-

MHz

CL=25[pF], AV=40[dB]

Phase Margin

θ

25℃

-

50°

-

-

CL=25[pF], AV=40[dB]

Total Harmonic Distortion

THD

25℃

-

0.05

-

%

VOUT=1[Vp-p],f=1[kHz]

Channel Separation

CS

25℃

-

100

-

dB

Av=40[dB]

(*2)

Absolute value

(*3)

Full range： BU7261, BU7262：Ta=-40[℃] to +85[℃] BU7261S, BU7262S：Ta=-40[℃] to +105[℃]

(*4)

Under the high temperature environment, consider the power dissipation of IC when selecting the output current.

When the terminal short circuits are continuously output, the output current is reduced to climb to the temperature inside IC.