TYPICAL PERFORMANCE CURVES
At TA = +25°C, VSS = +5V, fSAMPLE = 500kHz, fCLK = 16 • fSAMPLE, and internal reference, unless otherwise specified.
SPECTRAL PERFORMANCE
(4096 Point FFT, fIN = 49.561kHz, –0.5dB)
SPECTRAL PERFORMANCE
(4096 Point FFT, fIN = 100.7081kHz, –0.5dB)
0
–20
0
–20
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
50
100
150
200
250
0
50
100
150
200
250
Frequency (kHz)
Frequency (kHz)
SPECTRAL PERFORMANCE
SPECTRAL PERFORMANCE
(4096 Point FFT, fIN = 199.5851kHz, –0.5dB)
(4096 Point FFT, fIN = 247.1921kHz, –0.5dB)
0
–20
0
–20
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
50
100
150
200
250
0
50
100
150
200
250
Frequency (kHz)
Frequency (kHz)
CHANGE IN SIGNAL-TO-NOISE RATIO AND
SIGNAL-TO-(NOISE+DISTORTION) vs TEMPERATURE
CHANGE IN SPURIOUS FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION vs TEMPERATURE
0.4
0.3
1.0
0.5
–1.0
–0.5
0.0
fIN = 49.6kHz,–0.5dB
fIN = 49.6kHz,–0.5dB
*
First nine harmonics
of the input frequency
0.2
SNR
THD
*
0.1
SINAD
0.0
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
SFDR
–0.5
–1.0
0.5
1.0
–50
–25
0
25
50
75
100
–50
–25
0
25
Temperature (°C)
50
75
100
Temperature (°C)
®
5
ADS7852
BB [ BURR-BROWN CORPORATION ]
