Datasheet

0
0
-20
-40
-60
-80
-100
-120
-140
-160
100 200 300
Frequency(kHz)
400 500 600
Amplitude(dB)
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
Amplitude(dB)
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
Amplitude(dB)
f =504kHz, 10dBFS
IN
-
SNR=83dB
THD= 110dB-
SFDR=117dB
SIGNAL- TO-NOISERATIO,
TOTALHARMONICDISTORTION,
SPURIOUS-FREEDYNAMICRANGE (dB)
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignal Amplitude, V (dB)
IN
SFDR
SNR
THD
140
120
100
80
60
40
20
f =10kHz
IN
SIGNAL-TO-NOISERATIO,
TOTALHARMONICDISTORTION,
SPURIOUS-FREEDYNAMICRANGE(dB)
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignal Amplitude, V (dB)
IN
SFDR
SNR
THD
140
120
100
80
60
40
20
f =100kHz
IN
SIGNAL-TO-NOISERATIO,
TOTALHARMONICDISTORTION,
SPURIOUS-FREEDYNAMICRANGE(dB)
140
120
100
80
60
40
20
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignal 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 T
A
= +25°C, AVDD = 5V, DVDD = IOVDD = 3V, f
CLK
= 20MHz, V
REF
= +3V, V
CM
= +2.7V, and
R
BIAS
= 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