Datasheet

ADS8344
8
SBAS139E
TYPICAL CHARACTERISTICS: +2.7V
At T
A
= +25°C, +V
CC
= +2.7V, V
REF
= +2.7V, f
SAMPLE
= 100kHz, and f
DCLK
= 24 • f
SAMPLE
= 2.4MHz, unless otherwise noted.
0
–20
–40
–60
–80
–100
–120
–140
–160
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 1.001kHz, –0.2dB)
0 1020304050
Frequency (kHz)
Amplitude (dB)
0
–20
–40
–60
–80
–100
–120
–140
–160
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 9.985kHz, –0.2dB)
0 1020304050
Frequency (kHz)
Amplitude (dB)
SIGNAL-TO-NOISE RATIO AND SIGNAL-TO-
(NOISE+DISTORTION) vs INPUT FREQUENCY
101 100
Frequency (kHz)
SNR and SINAD (dB)
100
90
80
70
60
50
SINAD
SNR
SPURIOUS-FREE DYNAMIC RANGE AND TOTAL
HARMONIC DISTORTION vs INPUT FREQUENCY
101 100
Frequency (kHz)
SFDR (dB)
THD
(1)
SFDR
100
90
80
70
60
50
THD (dB)
–100
–90
–80
–70
–60
–50
NOTE: (1) First Nine Harmonics
of the Input Frequency
EFFECTIVE NUMBER OF BITS
vs INPUT FREQUENCY
101 100
Frequency (kHz)
Effective Number of Bits
15
14
13
12
11
10
9
8
CHANGE IN SIGNAL-TO-(NOISE+DISTORTION)
vs TEMPERATURE
–40 –25 0 20 50 75 100
Temperature (°C)
Delta from +25°C (dB)
2.0
1.5
1.0
0.5
0.0
–0.5
–1.0
–1.5
–2.0
f
IN
= 9.985kHz, –0.2dB