BA3472F_09 Datasheet, PDF (6/10 Pages) Rohm – Operational Amplifiers: High Speed

BA3472F,BA3472FV,BA3472FVM
Technical Note
●Test circuit2 switch condition
Unit : [V]
SW No.
SW SW SW SW SW SW SW SW SW SW SW SW SW SW
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Supply Current
High Level Output Voltage
Low Level Output Voltage
Output Source Current
Output Sink Current
Slew Rate
Gain Bandwidth Product
Equivalent Input Noise Voltage
OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF OFF
OFF OFF ON OFF OFF ON OFF OFF ON OFF OFF OFF ON OFF
OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF
OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
OFF OFF OFF ON OFF OFF OFF ON ON ON OFF OFF OFF OFF
OFF ON OFF OFF ON ON OFF OFF ON ON OFF OFF OFF OFF
ON OFF OFF OFF ON ON OFF OFF OFF OFF ON OFF OFF OFF
voltage
SW4
電圧
VH
SW5
R2
VCC
A
VL
－
SW1 SW2 SW3
RS
R1
SW6 SW7 SW8
＋
VEE
～
～
VIN- VIN+
SW9 SW10 SW11 SW12 SW13 SW14
RL CL
～V
A
V
VOUT
Fig26. Test circuit2 (one channel only)
voltage
電圧
VH
Input Voltage Waveform 時t間ime
入力電圧波形
SR＝ΔV/Δt
ΔV
VL
Δt
Output Voltage Waveform _時間time
出力電圧波形
Fig27. Slew rate input output wave
●Test circuit3 Channel separation
VCC
VCC
R1//R2
R1
VIN
VEE
R2
V ^VOUT1
=0.5[Vrm s ]
R1//R2
OTHER
CH
VEE
R1
R2
V VOUT2
CS＝20×log ^100×VOUT1
VOUT2
Fig28. Test circuit3
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2009.11 - Rev.B