Datasheet

ADS900
6
SBAS058A
UNDERSAMPLING (With Differential Input)
Frequency (MHz)
0
–20
–40
–60
–80
–100
–120
02468
Amplitude (dB)
f
IN
= 20MHz
f
S
= 16MHz
INTEGRAL LINEARITY ERROR
Output Code
10.0
5.0
0
–5.0
–10.0
0 200 400 600 800 1000
ILE (LSB)
f
IN
= 500kHz
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
S
= LV
DD
= +3V, Single-Ended Input, Sampling Rate = 20MHz, unless otherwise specified.
SWEPT POWER SFDR
Input Amplitude
60
50
40
30
20
10
0
–80 –40–60 –30 –20 –10 0
SFDR (dBFS, dBc)
dBFS
dBc
DYNAMIC PERFORMANCE vs INPUT FREQUENCY
Frequency (MHz)
54
53
52
51
50
49
0.1 1 10 100
SFDR, SNR (dB)
SFDR
SNR
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
Temperature (°C)
0.8
0.7
0.6
0.5
–50 0 25–25 50 75 100
DLE (LSBs)
f
IN
= 500kHz
f
IN
= 10MHz
SPURIOUS FREE DYNAMIC RANGE (SFDR)
vs TEMPERATURE
Temperature (°C)
60
55
50
45
–50 0 25–25 50 75 100
SFDR (dBFS)
f
IN
= 500kHz
f
IN
= 10MHz