Datasheet

ADS850
SBAS154C
7
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= full specified temperature range, V
S
= +5V, specified input range = 1.5V to 3.5V, differential internal reference input and sampling rate = 10MSPS after calibration,
V
REF
= 2V, –1dB input, unless otherwise specified.
DIFFERENTIAL LINEARITY ERROR
DLE (LSB)
1
0.75
0.5
0.25
0
–0.25
–0.5
–0.75
–1
0 4096 8192 12288
Code
16384
f
IN
= 4.8MHz
INTEGRAL LINEARITY ERROR
ILE (LSB)
4
3
2
1
0
–1
–2
–3
–4
0 4096 8192 12288
Code
16384
f
IN
= 4.8MHz
OUTPUT NOISE HISTOGRAM
(4Vp-p)
Counts
9k
8k
7k
6k
5k
4k
3k
2k
1k
0k
N – 1 N N + 1
Codes
95
90
85
80
SFDR vs TEMPERATURE
SFDR (dB)
–45 –25 –51535557595
Temperature (°C)
f
IN
= 500kHz
f
IN
= 4.8MHz
85
80
75
70
SINAD vs TEMPERATURE
SINAD (dB)
–45 –25 –51535557595
Temperature (°C)
f
IN
= 500kHz
f
IN
= 4.8MHz
110
100
90
80
70
60
50
THD vs INPUT FREQUENCY
THD (dB)
012345
Input Frequency (MHz)