SBAS014A – MARCH 1992 – REVISED SEPTEMBER 2010
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TYPICAL CHARACTERISTICS
At T
A
= +25°C, f
S
=800kHz, +V
DIG
= +V
ANA
= +5V, –V
ANA
= –5V, using internal reference and the 50Ω input resistors as shown
in
unless otherwise specified.
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 252kHz, –0.5dB)
0
-
20
0
-
20
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 502kHz, –0.5dB)
Amplitude (dB)
-
60
-
80
-
100
-
120
0
100
200
Frequency (kHz)
300
400
Amplitude (dB)
-
40
-
40
-
60
-
80
-
100
-
120
0
100
200
Frequency (kHz)
300
400
Figure 3.
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 1002kHz, –0.5dB)
0
-
20
Figure 4.
FREQUENCY SPECTRUM
(4096 Point f1
IN
= 232kHz, –6.5dB; f2
IN
= 272kHz, –6.5dB)
0
-
20
Amplitude (dB)
-
60
-
80
-
100
-
120
0
100
200
Frequency (kHz)
300
400
Amplitude (dB)
-
40
-
40
-
60
-
80
-
100
-
120
0
100
200
Frequency (kHz)
300
400
Figure 5.
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (f
IN
= –0.5dB)
90
100
80
70
95
Figure 6.
AC PARAMETERS vs TEMPERATURE
(f
IN
= 250kHz, –0.5dB)
-
100
SFDR
SFDR, SNR, and SINAD (dB)
-
95
-
90
-
85
THD (dB)
90
85
80
75
70
SINAD
65
60
THD
SNR
SINAD (dB)
60
50
40
30
20
10
1k
10k
100k
1M
10M
Input Signal Frequency (Hz)
-
80
-
75
-
70
-
65
-
60
75
-50
-25
0
25
Temperature (°C)
50
100
Figure 7.
Figure 8.
8
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