TYPICAL CHARACTERISTICS
(Cont.)
At T
A
= +25°C, V
S
= +5V, Sampling Rate = 40MHz, and with a 50% duty cycle clock having a 2ns rise-and-fall time, unless otherwise noted.
DYNAMIC PERFORMANCE
vs SINGLE-ENDED FULL-SCALE INPUT RANGE
65
f
IN
= 12MHz
SNR
70
75
DYNAMIC PERFORMANCE
vs DIFFERENTIAL FULL-SCALE INPUT RANGE
SFDR (f
IN
= 500kHz)
Dynamic Range (dB)
Dynamic Range (dB)
60
SFDR (f
IN
= 12MHz)
65
SNR (f
IN
= 500kHz)
55
SFDR
50
NOTE: REFT
EXT
varied,
REFB is fixed at the internal value of +1.25V.
45
1
2
3
4
Single-Ended Full-Scale Range (Vp-p)
5
60
SNR (f
IN
= 12MHz)
55
NOTE: REFT
EXT
varied,
REFB is fixed at the internal value of +1.25V.
50
2
3
4
Differential Full-Scale Input Range (Vp-p)
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
vs TEMPERATURE
90
SIGNAL-TO-NOISE RATIO vs TEMPERATURE
80
80
SFDR (dBFS)
70
f
IN
= 500kHz
SNR (dB)
f
IN
= 500kHz
70
60
f
IN
= 12MHz
50
60
f
IN
= 12MHz
50
–25
0
25
Temperature (°C)
50
75
40
–25
0
25
Temperature (°C)
50
75
SIGNAL-TO-(NOISE + DISTORTION)
vs TEMPERATURE
70
f
IN
= 500kHz
65
85
SUPPLY CURRENT vs TEMPERATURE
SINAD (dB)
80
60
I
Q
(mA)
f
IN
= 12MHz
75
70
55
50
–25
0
25
Temperature (°C)
50
75
–25
0
25
Temperature (°C)
50
75
ADS800
SBAS035B
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7
BURR-BROWN [ BURR-BROWN CORPORATION ]
