BU7294F Datasheet, PDF (20/30 Pages) Rohm – Input/Output Full Swing High Slew Rate Low Voltage CMOS Operational Amplifiers

BU7291G, BU7291SG, BU7294xx, BU7294Sxx
Datasheet
Switch Condition for Test circuit2
SW No.
Supply Current
Maximum Output Voltage RL=10kΩ
Output Current
Slew Rate
Unity Gain Frequency
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12
OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF
OFF ON OFF OFF ON OFF OFF ON OFF OFF ON OFF
OFF ON OFF OFF ON OFF OFF OFF OFF ON OFF OFF
OFF OFF ON OFF OFF OFF ON OFF ON OFF OFF ON
ON OFF OFF ON ON OFF OFF OFF ON OFF OFF ON
SW3
SW4
●
R2 100kΩ
●
VDD=3V
SW1 SW2
SW5 SW6 SW7
R1
1kΩ
－
＋
VSS
SW8 SW9 SW10 SW11 SW12
VIN- VIN+
RL CL
Vo
Figure 49. Test circuit 2
Input voltage
VH
VL
t
Input wave
Output voltage
90% SR=ΔV/Δt
VH
VVLL
10%
Δt
Output wave
ΔV
t
Figure 50. Slew rate input output wave
R2=100kΩ
R2=100kΩ
R1=1kΩ
R1//R2
VIN
VDD
VSS
OUT1
=0.5Vrms
R1=1kΩ
R1//R2
VDD
OTHER
CH
VSS
OUT2
100×OUT1
CS=20Log
OUT2
Figure 51. Test circuit 3 (Channel Separation)
www.rohm.com
©2013 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
20/27
TSZ02201-0RAR1G200390-1-2
22.May.2013 Rev.001