BU7261G Datasheet, PDF (25/33 Pages) Rohm – Low Voltage Operation CMOS Operational Amplifiers

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
●Test circuit3 Channel separation
R2=100[kΩ]
R2=100[kΩ]
R1=1[kΩ]
VIN
R1//R2
VDD
VSS
R1=1[kΩ]
V ^VOUT1
～ _=1[Vrms]
R1//R2
VDD
VSS
V
～
VOUT2
Fig. 189. Test circuit3
CS=20Log ^100×VOUT1
VOUT2
●Schematic diagram
○Input-Output Full Swing：BU7261/BU7241 family , BU7262/BU7242 family
VDD
Vbias
IN＋
class
IN－
AB control
OUT
Vbias
VSS
○Ground Sense：BU7461/BU7441 family , BU7462/BU7442 family
VDD
IN＋
IN－
Vbias
class
AB control
OUT
Vbias
VSS
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
25/32
2009.05 - Rev.A