SBAS672 Data sheet

SBAS672E July 2014 – June 2022 ADC3221 , ADC3222 , ADC3223 , ADC3224

PRODUCTION DATA

Package Options

Mechanical Data (Package|Pins)

RGZ|48
- MPQF123F

Thermal pad, mechanical data (Package|Pins)

RGZ|48
- QFND131R

Orderable Information

6.11 AC Performance: ADC3224

At maximum sampling rate, 50% clock duty cycle, AVDD = DVDD = 1.8 V, and –1-dBFS differential input. Typical values are specified at an ambient temperature of 25°C. Minimum and maximum values are specified over an ambient temperature range of –40°C to +85°C (unless otherwise noted).

PARAMETER		TEST CONDITIONS	ADC3224 (f_S = 125 MSPS)						UNIT
			DITHER ON			DITHER OFF
			MIN	TYP	MAX	MIN	TYP	MAX
DYNAMIC AC CHARACTERISTICS
SNR	Signal-to-noise ratio (from 1-MHz offset)	f_IN = 10 MHz		70.5			70.8		dBFS
		f_IN = 70 MHz	68.5	70.4			70.7
		f_IN = 100 MHz		70.3			70.6
		f_IN = 170 MHz		69.9			70.2
		f_IN = 230 MHz		69.4			69.8
	Signal-to-noise ratio (full Nyquist band)	f_IN = 10 MHz		70.3			70.6
		f_IN = 70 MHz		70.2			70.5
		f_IN = 100 MHz		70.2			70.4
		f_IN = 170 MHz		69.7			70.0
		f_IN = 230 MHz		69.2			69.6
NSD⁽¹⁾	Noise spectral density (averaged across Nyquist zone)	f_IN = 10 MHz		–148.5			–148.8		dBFS/Hz
		f_IN = 70 MHz		–148.4	–146.5		–148.7
		f_IN = 100 MHz		–148.3			–148.6
		f_IN = 170 MHz		–147.9			–148.2
		f_IN = 230 MHz		–147.4			–147.8
SINAD⁽¹⁾	Signal-to-noise and distortion ratio	f_IN = 10 MHz		70.5			70.6		dBFS
		f_IN = 70 MHz	68	70.4			70.6
		f_IN = 100 MHz		70.2			70.3
		f_IN = 170 MHz		69.7			69.9
		f_IN = 230 MHz		69.2			69.5
ENOB⁽¹⁾	Effective number of bits	f_IN = 10 MHz		11.4			11.4		Bits
		f_IN = 70 MHz	11	11.4			11.4
		f_IN = 100 MHz		11.4			11.4
		f_IN = 170 MHz		11.3			11.3
		f_IN = 230 MHz		11.2			11.2
SFDR	Spurious-free dynamic range	f_IN = 10 MHz		93			87		dBc
		f_IN = 70 MHz	82	95			89
		f_IN = 100 MHz		89			86
		f_IN = 170 MHz		86			85
		f_IN = 230 MHz		83			83
HD2	Second-order harmonic distortion	f_IN = 10 MHz		96			96		dBc
		f_IN = 70 MHz	84	96			96
		f_IN = 100 MHz		91			91
		f_IN = 170 MHz		86			85
		f_IN = 230 MHz		83			83
HD3	Third-order harmonic distortion	f_IN = 10 MHz		94			87		dBc
		f_IN = 70 MHz	82	95			89
		f_IN = 100 MHz		91			86
		f_IN = 170 MHz		96			89
		f_IN = 230 MHz		88			85
Non HD2, HD3	Spurious-free dynamic range (excluding HD2, HD3)	f_IN = 10 MHz		99			96		dBc
		f_IN = 70 MHz	87	99			95
		f_IN = 100 MHz		99			95
		f_IN = 170 MHz		99			92
		f_IN = 230 MHz		97			92
THD	Total harmonic distortion	f_IN = 10 MHz		91			85		dBc
		f_IN = 70 MHz	80	91			86
		f_IN = 100 MHz		87			83
		f_IN = 170 MHz		85			82
		f_IN = 230 MHz		82			80
IMD3	Two-tone, third-order intermodulation distortion	f_IN1 = 45 MHz, f_IN2 = 50 MHz		–96			–95		dBFS
IMD3	Two-tone, third-order intermodulation distortion	f_IN1 = 185 MHz, f_IN2 = 190 MHz		–92			–88		dBFS

(1) Reported from a 1-MHz offset.