TYPICAL PERFORMANCE CURVES
At TA = +25°C, +VA = +VD = +5V, VREF = internal +2.5V and fCLK = 8MHz, fSAMPLE = 500kHz, unless otherwise noted.
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 99.9kHz, –0.2dB)
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 199.9kHz, –0.2dB)
0
–20
0
–20
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
62.5
125
187.5
250
0
62.5
125
187.5
250
Frequency (kHz)
Frequency (kHz)
SIGNAL-TO-NOISE RATIO AND
SIGNAL-TO-(NOISE+DISTORTION)
vs INPUT FREQUENCY
CHANGE IN SIGNAL-TO-NOISE RATIO
AND SIGNAL-TO-(NOISE+DISTORTION)
vs TEMPERATURE
75
70
65
60
55
50
1.0
0.6
SNR
SINAD
SNR
0.2
–0.2
–0.6
–1.0
SINAD
1k
10k
100k
1M
–40
–20
0
20
40
60
80
Input Frequency (Hz)
Temperature (°C)
CHANGE IN SPURIOUS FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
vs TEMPERATURE
POSITIVE GAIN MATCH vs TEMPERATURE
(Maximum Deviation for All Six Channels)
1.0
0.5
1.80
1.70
1.60
1.50
1.40
1.30
1.20
THD
0.0
SFDR
–0.5
–1.0
–40
–20
0
20
40
60
80
–40
–20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
®
5
ADS7864
BB [ BURR-BROWN CORPORATION ]
