ADS5463 Datasheet, PDF (10/25 Pages) Texas Instruments – 12-Bit, 500-MSPS Analog-to-Digital Converter

ADS5463
SLAS515 – NOVEMBER 2006
TYPICAL CHARACTERISTICS (continued)
Typical plots at T_A = 25°C, sampling rate = 500 MSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V,
DVDD3 = 3.3 V, and 3-V_PP differential clock, (unless otherwise noted)
www.ti.com
SPECTRAL PERFORMANCE
FFT FOR 450-MHz INPUT SIGNAL
0
SFDR = 74.3 dBc
SINAD = 64.3 dBFS
−20
SNR = 64.8 dBFS
THD = 73 dBc
SPECTRAL PERFORMANCE
FFT FOR 650-MHz INPUT SIGNAL
0
SFDR = 65.5 dBc
SINAD = 61.8 dBFS
−20 SNR = 64 dBFS
THD = 64.9 dBc
−40
−40
−60
−60
−80
−80
−100
−100
−120
0
25 50 75 100 125 150 175 200 225 250
Frequency − MHz
G005
Figure 6.
SPECTRAL PERFORMANCE
FFT FOR 900-MHz INPUT SIGNAL
0
SFDR = 55.5 dBc
SINAD = 55.3 dBFS
−20
SNR = 62.8 dBFS
THD = 55.1 dBc
−40
−120
0
25 50 75 100 125 150 175 200 225 250
Frequency − MHz
G006
Figure 7.
SPECTRAL PERFORMANCE
FFT FOR 1,300-MHz INPUT SIGNAL
0
SFDR = 45.6 dBc
SINAD = 45.1 dBFS
−20 SNR = 59.3 dBFS
THD = 44.3 dBc
−40
−60
−60
−80
−80
−100
−100
−120
0
25 50 75 100 125 150 175 200 225 250
Frequency − MHz
G007
Figure 8.
−120
0
25 50 75 100 125 150 175 200 225 250
Frequency − MHz
G008
Figure 9.
10
Submit Documentation Feedback