SSM2018 datasheet(6/16 Pages) AD

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REV. A

–6–

SSM2018T/SSM2118T–Typical Characteristics

–80

100

10M

100k

10k

–20

–40

–60

FREQUENCY – Hz

TA = +25°C

VS = ±15V

Figure 13. SSM2018T Gain vs. Frequency

0.1

0.010

0.001

100

10k

20k

FREQUENCY – Hz

TA = +25°C

RF = 18kΩ

AV = 0dB

AV = +20dB

AV = –20dB

Figure 14. SSM2118T THD + N Frequency (80 kHz

Low-Pass Filter, for AV = 0 dB, VIN = 1 V rms;

for AV = +20 dB, VIN = 0.1 V rms; for AV = –20 dB,

VIN = 10 V rms)

100

0.025

0.000

0.020

0.015

0.010

0.005

DISTORTION – %

TA = +25°C

AV = 0dB

300 UNITS

VIN = 10dBu

VS = ±15V

Figure 15. SSM2118T Distortion Distribution

AMPLITUDE – VRMS

TA = +25°C

VS = ±15V

0.1

0.010

0.001

Figure 16. SSM2118T THD + N vs. Amplitude

(Gain = 0 dB, fIN = 1 kHz, 80 kHz Low-Pass Filter)

AMPLITUDE – VRMS

TA = +25°C

VS = ±15V

10m

0.1

0.010

0.001

Figure 17. SSM2118T THD + N vs. Amplitude

(Gain = +20 dB, fIN = 1 kHz, 80 kHz Low-Pass Filter)

1.0

0.001

–60

–40

–20

+20

+40

0.1

0.01

GAIN – dB

TA = +25°C

VS = ±15V

Figure 18. SSM2118T THD + N vs. Gain (fIN = 1 kHz;

for –60 dB

≤ A

V ≤ –20 dB, VIN = 10 V rms;

for 0 dB

≤ A

V ≤ +20 dB, VIN = 1 V rms)

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