ADS54J69 Datasheet, PDF (12/75 Pages) Texas Instruments – Dual-Channel, 16-Bit, 500-MSPS, Analog-to-Digital Converter

ADS54J69
SBAS713B – MAY 2015 – REVISED FEBRUARY 2016
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6.9 Typical Characteristics
typical values are at T_A = 25°C, full temperature range is from T_MIN = –40°C to T_MAX = 85°C, device clock frequency =
1 GSPS, output sampling rate = 500 MSPS, 50% clock duty cycle, AVDD3V = 3.0 V, AVDD = DVDD = 1.9 V, IOVDD =
1.15 V, and –1-dBFS differential input (unless otherwise noted)
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D001
SNR = 74.2 dBFS; SFDR = 86 dBc; SINAD = 73.8 dBFS;
THD = 83 dBc; HD2 = 86 dBc; HD3 = 89 dBc;
IL spur = 99 dBc; non HD2, HD3 spur = 98 dBc
Figure 3. FFT for 10-MHz Input Signal
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Input Frequency (MHz)
250
D003
SNR = 73 dBFS; SFDR = 93 dBc; SINAD = 73.18 dBFS;
THD = 89 dBc; HD2 = 93 dBc; HD3 = 103 dBc;
IL spur = 99 dBc; non HD2, HD3 spur = 94 dBc
Figure 5. FFT for 170-MHz Input Signal
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Input Frequency (MHz)
250
D005
SNR = 71.6 dBFS; SFDR = 80 dBc; SINAD = 71 dBFS;
THD = 79 dBc; HD2 = –80 dBc; HD3 = –96 dBc;
IL spur = 85 dBc; non HD2, HD3 spur = 92 dBc
Figure 7. FFT for 310-MHz Input Signal
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Input Frequency (MHz)
250
D002
SNR = 73.3 dBFS; SFDR = 94 dBc; SINAD = 73.25 dBFS;
THD = 93 dBc; HD2 = 104 dBc; HD3 = 111 dBc;
IL spur = 95 dBc; non HD2, HD3 spur = 94 dBc
Figure 4. FFT for 140-MHz Input Signal
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Input Frequency (MHz)
250
D004
SNR = 72.8 dBFS; SFDR = 89 dBc; SINAD = 72.63 dBFS;
THD = 86 dBc; HD2 = 97 dBc; HD3 = 99 dBc;
IL spur = 84 dBc; non HD2, HD3 spur = 89 dBc
Figure 6. FFT for 210-MHz Input Signal
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Input Frequency (MHz)
250
D007
SNR = 70.5 dBFS; SFDR = 86 dBc; SINAD = 70.4 dBFS;
THD = 85 dBc; HD2 = –86 dBc; HD3 = –96 dBc;
IL spur = 98 dBc; non HD2, HD3 spur = 98 dBc
Figure 8. FFT for 370-MHz Input Signal
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