LM358DT/PT/ST/WDT/WPT,LM2904DT/PT/ST/WDT/WPT
LM324DT/PT/WDT,LM2902DT/PT/WDT
Technical Note
●Measurement circuit2 Switch condition
SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
10 11 12 13 14 15
SW No.
1
2
3
4
5
6
7
8
9
Supply Current
OFF OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF OFF
OFF OFF ON OFF OFF OFF ON OFF OFF ON OFF OFF OFF ON OFF
OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF
OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
OFF OFF OFF ON OFF OFF OFF OFF ON ON ON OFF OFF OFF OFF
OFF ON OFF OFF OFF ON ON OFF OFF ON ON OFF OFF OFF OFF
ON OFF OFF OFF ON OFF ON OFF OFF OFF OFF ON OFF OFF OFF
High level Output Voltage
Low level Output Voltage
Output source current
Output sink current
Slew Rate
Gain band width product
Equivalent input noise voltage
Input voltage
3[V]
SW4
SW5
SW6
R2
R3
0.5[V]
Vcc +
t
Input waveform
A
Output voltage
－
＋
SR
ΔV / Δt
＝
3[V]
SW1 SW2 SW3
SW10 SW11 SW12 SW13 SW14 SW15
SW7 SW8 SW9
RS
R1
Vcc -
ΔV
A
Δt
RL
CL
V
V
0.5[V]
～
～
～
VIN- VIN+
VOUT
t
Output waveform
Fig.99 Measurement circuit2 (Each Op-Amps)
Fig.100 Slew Rate Input Waveform
●Measurement Circuit3 Channel Separation
R2=100[kΩ]
R2=100[kΩ]
Vcc+=+2.5[V]
Vcc+=+2.5[V]
R1=1[kΩ]
R1=1[kΩ]
other
CH
CH1
VIN
VOUT1
=0.5 [Vrms]
V
R1//R2
R1//R2
VOUT2
V
-
Vcc-=-2.5[V]
Vcc =-2.5[V]
100×VOUT1
VOUT2
VO1/VO2=20×log
Fig.101 Measurement Circuit3
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2011.06 - Rev.B
13/17
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