Datasheet

ADS931
6
SBAS060A
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
S
= +3V, specified single-ended input (–1dBFS) and sampling rate = 30MHz, unless otherwise specified.
DIFFERENTIAL LINEARITY ERROR
Output Code
2.0
1.0
0
–1.0
–2.0
0 64 128 192 256
DLE (LSB)
f
IN
= 500kHz
0 64 128 192 256
DIFFERENTIAL LINEARITY ERROR
Output Code
2.0
1.0
0
–1.0
–2.0
DLE (LSB)
f
IN
= 12.5MHz
SWEPT POWER SFDR
Input Amplitude (dBFS)
100
80
60
40
20
0
–50 –40 –30 –20 –10 0
SFDR (dBFS, dBc)
dBFS
dBc
INTEGRAL LINEARITY ERROR
Output Code
4.0
2.0
0
–2.0
–4.0
0 64 128 192 256
ILE (LSB)
f
IN
= 500kHz
DYNAMIC PERFORMANCE vs INPUT FREQUENCY
Frequency (MHz)
50
48
46
44
0.1 1 10 100
SFDR, SNR (dB)
SFDR
SNR
DIFFERENTIAL LINEARITY ERROR
vs TEMPERATURE
Temperature (°C)
0.9
0.7
0.5
0.3
0.1
–50 0 25–25 50 75 100
DLE (LSB)
f
IN
= 500kHz
f
IN
= 12.5MHz