THS1240 Datasheet, PDF (15/20 Pages) Texas Instruments – 12-BIT 40 MSPS IF SAMPLING COMMUNICATIONS ANALOG-TO-DIGITAL CONVERTER

THS1240
12-BIT 40 MSPS IF SAMPLING COMMUNICATIONS
ANALOG-TO-DIGITAL CONVERTER
SLAS279D – JUNE 2000 – REVISED JANUARY 2001
TYPICAL CHARACTERISTICS
DYNAMIC POWER PERFORMANCE
vs
3rd Harmonic (dBc)
100
90
SNR (dB)
SAMPLING RATE
2nd Harmonic (dBc)
3rd Harmonic (dBc)
80
70
60
SFDR (dBc)
50
SINAD (dB)
40 ^{fIN = 15.5 MHz}
VIN = –2 dBFS
30
0
10
20
30
40
50
60
Sampling Rate – MSPS
Figure 22
100
90
fIN = 15.5 MHz
VIN_ –2 dBFS
80
DYNAMIC POWER PERFORMANCE
vs
DUTY CYCLE
SFDR (dBc)
SNR (dB)
70
60
50
SINAD (dB)
40
30
40
50
60
70
Duty Cycle – %
Figure 23
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