Technical Note

13/17

LM358DT/PT/ST/WDT/WPT,LM2904DT/PT/ST/WDT/WPT

LM324DT/PT/WDT,LM2902DT/PT/WDT

www.rohm.com

2011.06 - Rev.B

© 2011 ROHM Co., Ltd. All rights reserved.

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Measurement circuit2 Switch condition

SW No.

SW

1

SW

2

SW

3

SW

4

SW

5

SW

6

SW

7

SW

8

SW

9

SW

10

SW

11

SW

12

SW

13

SW

14

SW

15

Supply Current

OFF OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF OFF

High level Output Voltage

OFF OFF ON OFF OFF OFF ON OFF OFF ON OFF OFF OFF ON OFF

Low level Output Voltage

OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF

Output source current

OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON

Output sink current

OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON

Slew Rate

OFF OFF OFF ON OFF OFF OFF OFF ON

ON

ON OFF OFF OFF OFF

Gain band width product

OFF ON OFF OFF OFF ON

ON OFF OFF ON

ON OFF OFF OFF OFF

Equivalent input noise voltage

ON OFF OFF OFF ON OFF ON OFF OFF OFF OFF ON OFF OFF OFF

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Measurement Circuit3 Channel Separation

Fig.99 Measurement circuit2 (Each Op-Amps)

Fig.100 Slew Rate Input Waveform

Fig.101 Measurement Circuit3

～

V

SW1

SW2

SW3

－

＋

SW11 SW12 SW13

A

VIN-

VIN+

RL

SW10

～

～

SW7

SW8

SW9

CL

SW15

A

V

VOUT

RS

SW6

SW5

SW4

R1

R3

R2

SW14

SR ＝ ΔV / Δt

Input voltage

t

Input waveform

3[V]

0.5[V]

t

Output waveform

3[V]

0.5[V]

Δt

ΔV

Output voltage

VO1/VO2=20×log

100×VOUT1

VOUT2

VIN

V

VOUT1

=0.5 [Vrms]

CH1

R1=1[kΩ]

R2=100[kΩ]

R1//R2

other

CH

VOUT2

R1=1[kΩ]

R2=100[kΩ]

R1//R2

V