Maxim MAX12557 manual Parameter Symbol Conditions MIN TYP MAX Units

Dual, 65Msps, 14-Bit, IF/Baseband ADC

ELECTRICAL CHARACTERISTICS (continued)

(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference), CL ≈ 10pF at digital outputs, VIN = -0.5dBFS (differen- tial), DIFFCLK/SECLK = OVDD, PD = GND, SHREF = GND, DIV2 = GND, DIV4 = GND, G/T = GND, fCLK = 65MHz, TA = -40°C to

+85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER	SYMBOL	CONDITIONS	MIN	TYP	MAX	UNITS
		fIN = 3MHz at -0.5dBFS (Note 3)	71.8	74.4
Signal-to-Noise Plus Distortion	SINAD	fIN = 32.5MHz at -0.5dBFS		73.10		dB
		fIN = 70MHz at -0.5dBFS		73.4
		fIN = 175MHz at -0.5dBFS		71.5
		fIN = 3MHz at -0.5dBFS (Note 3)	75.5	86.6
Spurious-Free Dynamic Range	SFDR	fIN = 32.5MHz at -0.5dBFS		82.8		dBc
		fIN = 70MHz at -0.5dBFS		83.4
		fIN = 175MHz at -0.5dBFS		79.5
		fIN = 3MHz at -0.5dBFS (Note 3)		-84.5	-74.5
Total Harmonic Distortion	THD	fIN = 32.5MHz at -0.5dBFS		-80.7		dBc
		fIN = 70MHz at -0.5dBFS		-81.7
		fIN = 175MHz at -0.5dBFS		-78.3
		fIN = 3MHz at -0.5dBFS		-89.5
Second Harmonic	HD2	fIN = 32.5MHz at -0.5dBFS		-84.2		dBc
		fIN = 70MHz at -0.5dBFS		-84.7
		fIN = 175MHz at -0.5dBFS		-79.5
		fIN = 3MHz at -0.5dBFS		-93
Third Harmonic	HD3	fIN = 32.5MHz at -0.5dBFS		-85.5		dBc
		fIN = 70MHz at -0.5dBFS		-86.5
		fIN = 175MHz at -0.5dBFS		-87.2
		fIN1 = 68.5MHz at -7dBFS		-88
Two-Tone Intermodulation		fIN2 = 71.5MHz at -7dBFS
	TTIMD					dBc
Distortion (Note 2)		fIN1 = 172.5MHz at -7dBFS		-82.4
		fIN2 = 177.5MHz at -7dBFS
		fIN1 = 68.5MHz at -7dBFS		-91.5
3rd-Order Intermodulation		fIN2 = 71.5MHz at -7dBFS
	IM3					dBc
Distortion		fIN1 = 172.5MHz at -7dBFS		-87.6
		fIN2 = 177.5MHz at -7dBFS
		fIN1 = 68.5MHz at -7dBFS		89
Two-Tone Spurious-Free		fIN2 = 71.5MHz at -7dBFS
	SFDRTT					dBc
Dynamic Range		fIN1 = 172.5MHz at -7dBFS		82.4
		fIN2 = 177.5MHz at -7dBFS
Full-Power Bandwidth	FPBW	Input at -0.2dBFS, -3dB rolloff		750		MHz
Aperture Delay	tAD	Figure 5		1.2		ns
Aperture Jitter	tAJ			<0.15		psRMS
Output Noise	nOUT	INAP = INAN = COMA		1.02		LSBRMS
		INBP = INBN = COMB

MAX12557

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