0

0

-20

-40

-60

-80

-100

-120

-140

-160

100

200

300

Frequency(kHz)

400

500

600

f

=504kHz, 1dBFS

IN

-

SNR=91dB

THD= 117dB

-

SFDR=122dB

0

0

-20

-40

-60

-80

-100

-120

-140

-160

100

200

300

Frequency(kHz)

400

500

600

f

=504kHz, 6dBFS

IN

-

SNR=86dB

THD= 110dB

-

SFDR=115dB

0

0

-20

-40

-60

-80

-100

-120

-140

-160

100

200

300

Frequency(kHz)

400

500

600

f

=504kHz, 10dBFS

IN

-

SNR=83dB

THD= 110dB

-

SFDR=117dB

-80

-70

-60

-50

-40

-30

-20

-10

0

InputSignal Amplitude, V

(dB)

IN

SFDR

SNR

THD

140

120

100

80

60

40

20

f

=10kHz

IN

-80

-70

-60

-50

-40

-30

-20

-10

0

InputSignal Amplitude, V

(dB)

IN

SFDR

SNR

THD

140

120

100

80

60

40

20

f

=100kHz

IN

140

120

100

80

60

40

20

-80

-70

-60

-50

-40

-30

-20

-10

0

InputSignal Amplitude, V

(dB)

IN

SFDR

SNR

f

=500kHz

IN

THD

ADS1601

SBAS322D

– DECEMBER 2004 – REVISED OCTOBER 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

All specifications at TA = +25°C, AVDD = 5V, DVDD = IOVDD = 3V, fCLK = 20MHz, VREF = +3V, VCM = +2.7V, and

RBIAS = 60kΩ, unless otherwise noted.

SPECTRAL RESPONSE

SPECTRAL RESPONSE

Figure 9.

Figure 10.

SNR, THD, AND SFDR

SPECTRAL RESPONSE

vs INPUT SIGNAL AMPLITUDE

Figure 11.

Figure 12.

SNR, THD, AND SFDR

SNR, THD, AND SFDR

vs INPUT SIGNAL AMPLITUDE

vs INPUT SIGNAL AMPLITUDE

Figure 13.

Figure 14.

10

Copyright

© 2004–2011, Texas Instruments Incorporated