ADC3681IRSBT datasheet(21/91 Pages) TI2

Part #	ADC3681IRSBT

Description	ADC368x 18-bit 0.5 to 65-MSPS Low Noise Ultra-low Power Dual Channel ADC

PDF	91 Pages

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Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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6.11 Typical Characteristics - ADC3683

Typical values at TA = 25 °C, ADC sampling rate = 65 MSPS, AIN = –1 dBFS differential input, AVDD = IOVDD = 1.8 V,

external 1.6 V voltage reference, unless otherwise noted.

SNR = 84.2 dBFS, SFDR = 81 dBc, Non HD23 = 101 dBFS

Figure 6-40. Single Tone FFT at FIN = 1 MHz

SNR = 83.8 dBFS, SFDR = 89 dBc, Non HD23 = 99 dBFS

Figure 6-41. Single Tone FFT at FIN = 5 MHz

SNR = 84.8 dBFS, SFDR = 81 dBc, Non HD23 = 103 dBFS

Figure 6-42. Single Tone FFT at FIN = 5 MHz, AIN = -20 dBFS

SNR = 83.8 dBFS, SFDR = 92 dBc, Non HD23 = 98 dBFS

Figure 6-43. Single Tone FFT at FIN = 10 MHz

SNR = 81.1 dBFS, SFDR = 84 dBc, Non HD23 = 95 dBFS

Figure 6-44. Single Tone FFT at FIN = 40 MHz

SNR = 77.3 dBFS, SFDR = 86 dBc, Non HD23 = 92 dBFS

Figure 6-45. Single Tone FFT at FIN = 64 MHz

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ADC3681, ADC3682, ADC3683

SBAS872B – DECEMBER 2020 – REVISED OCTOBER 2022

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ADC3681IRSBT Datasheet(PDF) 21 Page - Texas Instruments