Datasheet

ADS822, ADS825
7
SBAS069B
ELECTRICAL CHARACTERISTICS (Cont.)
At T
A
= full specified temperature range, V
S
= +5V, single-ended input range = 1.5V to 3.5V, sampling rate = 40MHz, and external reference, unless otherwise noted.
DYNAMIC PERFORMANCE vs INPUT FREQUENCY
Frequency (MHz)
75
70
65
60
55
50
0.1 1 10 100
SFDR, SNR (dBFS)
SNR
SFDR
75
70
65
60
55
DYNAMIC PERFORMANCE vs TEMPERATURE
SFDR, SNR (dBFS)
–50 –25 0 25 50 75 100
Temperature (°C)
SFDR (f
IN
= 10MHz)
SNR (f
IN
= 10MHz)
SNR (f
IN
= 20MHz)
SFDR (f
IN
= 20MHz)
60
59
58
57
SIGNAL-TO-(NOISE + DISTORTION)
vs TEMPERATURE
Sinad (dBFS)
–50 –25 0 25 50 75 100
Temperature (°C)
f
IN
= 1MHz
f
IN
= 20MHz
f
IN
= 10MHz
.60
.50
.40
.30
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
DLE (LSB)
–50 –25 0 25 50 75 100
Temperature (°C)
f
IN
= 10MHz
f
IN
= 20MHz
POWER DISSIPATION vs TEMPERATURE
Temperature (°C)
205
200
195
190
–50 0 25–25 50 75 100
Power (mW)
800k
600k
400k
200k
0
OUTPUT NOISE (DC Input)
Counts
N-2 N-1 N N+1 N+2
Code