Datasheet


SBAS306F − NOVEMBER 2004 − REVISED OCTOBER 2007
www.ti.com
10
TYPICAL CHARACTERISTICS (continued)
T
A
= 25°C, AVDD = 5V, DVDD = 1.8V, f
CLK
= 27MHz, VREFP = 2.5V, VREFN = 0V, unless otherwise noted.
Figure 13
TOTAL HARMONIC DISTORTION
vs FREQUENCY
10 100 1k
Frequency (Hz)
0
−
20
−
40
−
60
−
80
−
100
−
120
THD, THD+N Amplitude (dB)
10k 100k
High−Speed Mode
V
IN
=
−
0.5dBFS
THD+N
THD
Figure 14
TOTAL HARMONIC DISTORTION
vs INPUT LEVEL
−
120
−
100
−
80
−
60
−
40
−
20 0
Input Amplitude (dBFS)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
THD, THD+N Amplitude (dB)
High−Speed Mode
f
IN
=1kHz
THD+N
THD
Figure 15
TOTAL HARMONIC DISTORTION
vs FREQUENCY
10 100 1k
Frequency (Hz)
0
−
20
−
40
−
60
−
80
−
100
−
120
THD, THD+N Amplitude (dB)
10k 100k
High−Resolution Mode
V
IN
=
−
0.5dBFS
THD+N
THD
Figure 16
TOTAL HARMONIC DISTORTION
vs INPUT LEVEL
−
120
−
100
−
80
−
60
−
40
−
20 0
Input Amplitude (dBFS)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
THD, THD+N Amplitude (dB)
High−Resolution Mode
f
IN
=1kHz
THD+N
THD
Figure 17
TOTAL HARMONIC DISTORTION
vs FREQUENCY
10 100 1k
Frequency (Hz)
0
−
20
−
40
−
60
−
80
−
100
−
120
THD, THD+N Amplitude (dB)
10k 100k
Low−Power Mode
V
IN
=
−
0.5dBFS
THD+N
THD
Figure 18
TOTAL HARMONIC DISTORTION
vs INPUT LEVEL
−
120
−
100
−
80
−
60
−
40
−
20 0
Input Amplitude (dBFS)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
THD, THD+N Amplitude (dB)
Low−Power Mode
f
IN
=1kHz
THD+N
THD