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

6.9 AC Performance: ADC3222

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	ADC3222 (f_S = 50 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		70.9			71.1		dBFS
		f_IN = 20 MHz	68.5	70.9			71.1
		f_IN = 70 MHz		70.7			70.9
		f_IN = 100 MHz		70.5			70.7
		f_IN = 170 MHz		70			70.1
		f_IN = 230 MHz		69.3			69.6
	Signal-to-noise ratio (full Nyquist band)	f_IN = 10 MHz		70.3			70.5
		f_IN = 20 MHz		70.1			70.3
		f_IN = 70 MHz		70.1			70.3
		f_IN = 100 MHz		69.9			70.2
		f_IN = 170 MHz		69.5			69.5
		f_IN = 230 MHz		68.7			69
NSD⁽¹⁾	Noise spectral density (averaged across Nyquist zone)	f_IN = 10 MHz		–144.9			–145.1		dBFS/Hz
		f_IN = 20 MHz		–144.9	–142.5		–145.1
		f_IN = 70 MHz		–144.7			–144.9
		f_IN = 100 MHz		–144.5			–144.7
		f_IN = 170 MHz		–144.0			–144.1
		f_IN = 230 MHz		–143.3			–143.6
SINAD⁽¹⁾	Signal-to-noise and distortion ratio	f_IN = 10 MHz		70.8			71		dBFS
		f_IN = 20 MHz	68	70.8			71
		f_IN = 70 MHz		70.6			70.8
		f_IN = 100 MHz		70.4			70.6
		f_IN = 170 MHz		69.8			69.9
		f_IN = 230 MHz		69			69.1
ENOB⁽¹⁾	Effective number of bits	f_IN = 10 MHz		11.5			11.5		Bits
		f_IN = 20 MHz	11	11.5			11.5
		f_IN = 70 MHz		11.4			11.5
		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		89			95		dBc
		f_IN = 20 MHz	82	95			91
		f_IN = 70 MHz		95			93
		f_IN = 100 MHz		88			86
		f_IN = 170 MHz		85			83
		f_IN = 230 MHz		82			81
HD2	Second-order harmonic distortion	f_IN = 10 MHz		103			97		dBc
		f_IN = 20 MHz	82	100			94
		f_IN = 70 MHz		97			94
		f_IN = 100 MHz		94			93
		f_IN = 170 MHz		89			89
		f_IN = 230 MHz		83			83
HD3	Third-order harmonic distortion	f_IN = 10 MHz		89			96		dBc
		f_IN = 20 MHz	82	94			95
		f_IN = 70 MHz		95			93
		f_IN = 100 MHz		88			86
		f_IN = 170 MHz		85			83
		f_IN = 230 MHz		83			81
Non HD2, HD3	Spurious-free dynamic range (excluding HD2, HD3)	f_IN = 10 MHz		99			95		dBc
		f_IN = 20 MHz	87	101			93
		f_IN = 70 MHz		99			94
		f_IN = 100 MHz		100			94
		f_IN = 170 MHz		99			93
		f_IN = 230 MHz		97			93
THD	Total harmonic distortion	f_IN = 10 MHz		89			89		dBc
		f_IN = 20 MHz	80	93			87
		f_IN = 70 MHz		92			88
		f_IN = 100 MHz		90			86
		f_IN = 170 MHz		83			81
		f_IN = 230 MHz		80			78
IMD3	Two-tone, third-order intermodulation distortion	f_IN1 = 45 MHz, f_IN2 = 50 MHz		–95			–92		dBFS
IMD3	Two-tone, third-order intermodulation distortion	f_IN1 = 185 MHz, f_IN2 = 190 MHz		–92			–92		dBFS

(1) Reported from a 1-MHz offset.