TYPICAL PERFORMANCE CURVES
T = +25°C, fS =800kHz, +VDIG = +VANA = +5V, –VANA = –5V, using internal reference and the input 50Ω resistors as shown in Figure 4b, unless otherwise specified.
FREQUENCY SPECTRUM
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 252kHz, –0.5dB)
(4096 Point FFT; fIN = 502kHz, –0.5dB)
0
–20
0
–20
–40
–40
–60
–60
2
–80
–80
–100
–120
–100
–120
0
100
200
300
400
400
10M
0
100
200
300
400
Frequency (kHz)
Frequency (kHz)
FREQUENCY SPECTRUM
(4096 Point FFT; f1IN = 232kHz, –6.5dB;
f2IN = 272kHz, –6.5dB)
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 1.002MHz, –0.5dB)
0
–20
0
–20
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
100
200
300
0
100
200
300
400
Frequency (kHz)
Frequency (kHz)
A.C. PARAMETERS vs TEMPERATURE
(fIN = 250kHz, –0.5dB)
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (fIN = –0.5dB)
100
95
90
85
80
75
70
65
60
90
80
70
60
50
40
30
20
10
SFDR
THD
SNR
SINAD
1k
10k
100k
1M
–75 –50 –25
0
25
50
75
100 125 150
Input Signal Frequency (Hz)
Temperature (°C)
®
5
ADS7819
BB [ BURR-BROWN CORPORATION ]
