5962-0924001VXC Datasheet, PDF (25/46 Pages) Texas Instruments – 12-Bit, 1-GSPS Analog-to-Digital Converter

ADS5400-SP
www.ti.com
SLAS669C – SEPTEMBER 2010 – REVISED AUGUST 2012
TYPICAL CHARACTERISTICS
Typical plots at T_A = 25°C, sampling rate = 1 GSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V,
and 1.5-V_PP differential clock, (unless otherwise noted)
SPECTRAL PERFORMANCE
FFT FOR 250-MHz INPUT SIGNAL
0
ENOB = 9.52 Bits,
-10 SFDR = 71.39 dBc,
SINAD = 58.99 dBFS,
-20 ^{SNR = 59.40 dBFS,}
THD = 69.44 dBc
-30
SPECTRAL PERFORMANCE
FFT FOR 0.9-GHz INPUT SIGNAL
0
ENOB = 9.23 Bits,
-10
SFDR = 66.57 dBc,
SINAD = 57.09 dBFS,
-20
SNR = 58.46 dBFS,
THD = 62.76 dBc
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0
50 100 150 200 250 300 350 400 450 500
f - Frequency - MHz
Figure 8.
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0
50 100 150 200 250 300 350 400 450 500
f - Frequency - MHz
Figure 9.
SPECTRAL PERFORMANCE
FFT FOR 1.3-GHz INPUT SIGNAL
0
ENOB = 9.02 Bits,
-10 SFDR = 61.36 dBc,
SINAD = 55.76 dBFS,
-20 SNR = 57.39 dBFS,
THD = 60.81 dBc
-30
-40
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0
50 100 150 200 250 300 350 400 450 500
f - Frequency - MHz
Figure 10.
SPECTRAL PERFORMANCE
FFT FOR 1.7-GHz INPUT SIGNAL
0
ENOB = 8.59 Bits,
-10 _{SFDR = 57.39 dBc,}
SINAD = 52.98 dBFS,
-20 SNR = 56.02 dBFS,
THD = 55.96 dBc
-30
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-90
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0
50 100 150 200 250 300 350 400 450 500
f - Frequency - MHz
Figure 11.
Copyright © 2010–2012, Texas Instruments Incorporated
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