Datasheet

-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignalAmplitude,V (dB)
IN
Signal-to-NoiseRatio,
TotalHarmonicDistortion,
Spurious-FreeDynamicRange(dB)
SFDR
SNR
THD
140
120
100
80
60
40
20
f =10kHz
IN
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignalAmplitude,V (dB)
IN
Signal-to-NoiseRatio,
TotalHarmonicDistortion,
Spurious-FreeDynamicRange(dB)
SFDR
SNR
THD
120
110
100
90
80
70
60
50
40
30
20
f =50kHz
IN
140
120
100
80
60
40
20
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignalAmplitude,V (dB)
IN
Signal-to-NoiseRatio,
TotalHarmonicDistortion,
Spurious-FreeDynamicRange(dB)
SFDR
SNR
f =100kHz
IN
THD
140
120
100
80
60
40
20
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignalAmplitude,V (dB)
IN
Signal-to-NoiseRatio,
TotalHarmonicDistortion,
Spurious-FreeDynamicRange(dB)
SFDR
SNR
f =500kHz
IN
THD
140
120
100
80
60
40
20
-80 -70 -60 -50 -40 -30 -20 -10 0
InputSignal Amplitude,V
IN
(dB)
Signal-to-NoiseRatio,
TotalHarmonicDistortion,
Spurious-FreeDynamicRange(dB)
SFDR
SNR
THD
f =800kHz
IN
10k 100k 1M
InputFrequency,f
IN
(Hz)
SNR(dB)
95
90
85
80
75
70
V
IN
= -1dB
V
IN
= -6dB
V
IN
= -10dB
ADS1602
www.ti.com SBAS341E –DECEMBER 2004– REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS (continued)
All specifications at T
A
= +25°C, AVDD = 5V, DVDD = IOVDD = 3V, f
CLK
= 40MHz, External V
REF
= +3V, V
CM
= +1.45V, and
R
BIAS
= 37kΩ, unless otherwise noted.
SNR, THD, AND SFDR SNR, THD, AND SFDR
vs INPUT SIGNAL AMPLITUDE vs INPUT SIGNAL AMPLITUDE
Figure 15. Figure 16.
SNR, THD, AND SFDR SNR, THD, AND SFDR
vs INPUT SIGNAL AMPLITUDE vs INPUT SIGNAL AMPLITUDE
Figure 17. Figure 18.
SNR, THD, AND SFDR
vs INPUT SIGNAL AMPLITUDE SNR vs INPUT FREQUENCY
Figure 19. Figure 20.
Copyright © 2004–2011, Texas Instruments Incorporated 11