ADS5542IPAP Datasheet, PDF (16/33 Pages) Texas Instruments – 14-Bit, 80 MSPS Analog-To-Digital Converter

ADS5542
SBAS308D – MAY 2004 – REVISED FEBRUARY 2007
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Typical values given at T_A = 25°C, AV_DD = DRV_DD = 3.3 V, differential input amplitude = –1dBFS, sampling rate = 80 MSPS
and 3-V differential clock, unless otherwise noted
95
90
85
80
75
70
65
3.0
0.75
0.70
0.65
0.60
0.55
0.50
0.45
0.40
10
100
95
90
85
80
75
70
65
60
−40
AC PERFORMANCE
vs DIGITAL SUPPLY VOLTAGE
SFDR
f_IN = 150MHz
SNR
3.1
3.2
3.3
3.4
3.5
3.6
DV_DD − Digital Supply Voltage − V
Figure 23.
POWER DISSIPATION
vs SAMPLE RATE
f_IN = 150MHz
20
30
40
50
60
70
80
Sample Rate − MSPS
Figure 25.
AC PERFORMANCE
vs TEMPERATURE
SFDR
f_IN = 70MHz
SNR
−15
+10
+35
+60
+85
Temperature − _C
Figure 27.
AC PERFORMANCE
vs DIGITAL SUPPLY VOLTAGE
95
SFDR
f_IN = 70MHz
90
85
80
SNR
75
70
65
3.0
3.1
3.2
3.3
3.4
3.5
3.6
DV_DD − Digital Supply Voltage − V
Figure 24.
POWER DISSIPATION
vs SAMPLE RATE
0.75
0.70
f_IN = 70MHz
0.65
0.60
0.55
0.50
0.45
0.40
10
20
30
40
50
60
70
80
Sample Rate − MSPS
Figure 26.
AC PERFORMANCE
vs INPUT AMPLITUDE
100
90
SNR (dBFS)
80
70
60
50
40
SFDR (dBc)
30
20
SNR (dBc)
10
0
−10
−20
f_IN = 70MHz
−30
−100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0
Input Amplitude − dBFS
Figure 28.
16
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