Datasheet

10k 100k 1M
InputFrequency, f (Hz)
IN
SNR(dB)
V =
IN
-1dB
V =
IN
-6dB
V =
IN
-10dB
100
95
90
85
80
75
70
V =
IN
1dB-
V =
IN
6dB-
V =
IN
10dB-
-80
-90
-100
-110
-120
10k 100k 1M
InputFrequency, f (Hz)
IN
THD(dB)
SFDR(dB)
InputFrequency, f (Hz)
IN
120
110
100
90
80
10k 100k 1M
V =
IN
10dB-
V =
IN
6dB-
V =
IN
1dB-
SNR(dB)
InputCommon-ModeVoltage,V (V)
CM
100
95
90
85
80
75
70
f =10kHz,V =
IN IN
-1dB
f =100kHz,V =
IN IN
-6dB
1.0 1.4 1.8 2.2 2.6 3.0 3.4
f =100kHz,V =
IN IN
-1dB
f =10kHz,V =
IN IN
-6dB
THD(dB)
InputCommon-ModeVoltage,V (V)
CM
1.0 1.4 1.8 2.2 2.6 3.0 3.4
-80
-90
-100
-110
-120
f =100kHz,V =
IN IN
-6dB
f =10kHz,V =
IN IN
-6dB
f =10kHz,V =
IN IN
-1dB
f =100kHz,V =
IN IN
-1dB
SFDR(dB)
InputCommon-ModeVoltage,V (V
CM
)
f =100kHz,V =
IN IN
-6dB
f =100kHz,V =
IN IN
-1dB
1.0 1.4 1.8 2.2 2.6 3.0 3.4
f =10kHz,V =
IN IN
-6dB
120
110
100
90
80
f =10kHz,V =
IN IN
-1dB
ADS1601
www.ti.com SBAS322D –DECEMBER 2004–REVISED OCTOBER 2011
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.
SIGNAL-TO-NOISE RATIO TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY vs INPUT FREQUENCY
Figure 15. Figure 16.
SPURIOUS-FREE DYNAMIC RANGE SIGNAL-TO-NOISE RATIO
vs INPUT FREQUENCY vs INPUT COMMON-MODE VOLTAGE
Figure 17. Figure 18.
TOTAL HARMONIC DISTORTION SPURIOUS-FREE DYNAMIC RANGE
vs INPUT COMMON-MODE VOLTAGE vs INPUT COMMON-MODE VOLTAGE
Figure 19. Figure 20.
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