Datasheet

ADS7852
SBAS111C
6
TYPICAL CHARACTERISTICS (Cont.)
At T
A
= +25°C, V
SS
= +5V, f
SAMPLE
= 500kHz, f
CLK
= 16 • f
SAMPLE
, and internal reference, unless otherwise specified.
SIGNAL-TO-NOISE and
SIGNAL-TO-(NOISE+DISTORTION)
vs INPUT FREQUENCY
76
74
72
70
68
66
10k 100k 1M1k
Input Frequency (Hz)
SNR
SINAD
SNR and SINAD (dB)
SPURIOUS FREE DYNAMIC RANGE and
TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY
90
85
80
75
70
–90
–85
–80
–75
–70
10k 100k 1M1k
SFDR (dB)
THD (dB)
*First nine harmonics
of the input frequency
THD*
SFDR
INTEGRAL LINEARITY ERROR vs CODE
Output Code
000
H
400
H
800
H
C00
H
FFF
H
ILE (LSBs)
1.00
0.75
0.50
0.25
0.00
–0.25
–0.50
–0.75
–1.00
DIFFERENTIAL LINEARITY ERROR vs CODE
Output Code
000
H
400
H
800
H
C00
H
FFF
H
DLE (LSBs)
1.00
0.75
0.50
0.25
0.00
–0.25
–0.50
–0.75
–1.00
CHANGE IN INTERNAL REFERENCE VOLTAGE
vs TEMPERATURE
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (mV)
6.0
4.0
2.0
0.0
–2.0
–4.0
–6.0
CHANGE IN GAIN ERROR vs TEMPERATURE
Temperature (°C)
–50 –25 0 25 50 75 100
Delta from +25°C (LSB)
8
6
4
2
0
–2
–4
–6
–8