TYPICAL PERFORMANCE CURVES
T = +25°C, f
S
=800kHz, +V
DIG
= +V
ANA
= +5V, –V
ANA
= –5V, using internal reference and the input 50Ω resistors as shown in Figure 4b, unless otherwise specified.
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 252kHz, –0.5dB)
0
–20
Amplitude (dB)
Amplitude (dB)
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 502kHz, –0.5dB)
0
–20
–40
–60
–80
–100
–120
–40
–60
–80
–100
–120
0
100
200
Frequency (kHz)
300
400
0
100
200
Frequency (kHz)
300
400
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 1.002MHz, –0.5dB)
0
–20
Amplitude (dB)
FREQUENCY SPECTRUM
(4096 Point FFT; f1
IN
= 232kHz, –6.5dB;
f2
IN
= 272kHz, –6.5dB)
0
–20
–40
–60
–80
–100
–120
Amplitude (dB)
–40
–60
–80
–100
–120
0
100
200
Frequency (kHz)
300
400
0
100
200
Frequency (kHz)
300
400
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (f
IN
= –0.5dB)
90
80
70
A.C. PARAMETERS vs TEMPERATURE
(f
IN
= 250kHz, –0.5dB)
100
–100
–95
SFDR
90
85
80
75
70
SINAD
65
60
–65
–60
–50
–25
0
25
50
75
100
Temperature (°C)
THD
SNR
–90
95
SFDR, SNR, and SINAD (dB)
SINAD (dB)
50
40
30
20
10
1k
10k
100k
1M
10M
Input Signal Frequency (Hz)
–80
–75
–70
®
5
ADS7810
THD (dB)
60
–85
TI [ TEXAS INSTRUMENTS ]
