Maxim MAX12527 manual D0A-D11A, Dora, Power Requirements, Ovdd, Diffclk/Seclk = Gnd

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MAX12527

Dual, 65Msps, 12-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

D0A–D11A, DORA,
D0B–D11B and DORB Tri-State	COUT			3		pF
Output Capacitance (Note 4)

DAV Tri-State Output	CDAV			6		pF
Capacitance (Note 4)	CDAV			6		pF
Capacitance (Note 4)

POWER REQUIREMENTS

Analog Supply Voltage	VDD		3.15	3.30	3.60	V
Digital Output Supply Voltage	OVDD		1.70	2.0	VDD	V
		Normal operating mode
		fIN = 175MHz at -0.5dBFS,		188
		single-ended clock		188
		single-ended clock
		(DIFFCLK/SECLK = GND)
Analog Supply Current	IVDD	Normal operating mode				mA
Analog Supply Current	IVDD	fIN = 175MHz at -0.5dBFS		196	215	mA
		fIN = 175MHz at -0.5dBFS
		differential clock
		differential clock
		(DIFFCLK/SECLK = OVDD)
		Power-down mode (PD = OVDD)		0.05
		clock idle		0.05
		clock idle

		Normal operating mode
		fIN = 175MHz at -0.5dBFS		620
		single-ended clock		620
		single-ended clock
		(DIFFCLK/SECLK = GND)
Analog Power Dissipation	PVDD	Normal operating mode				mW
Analog Power Dissipation	PVDD	fIN = 175MHz at -0.5dBFS		647	710	mW
		fIN = 175MHz at -0.5dBFS
		differential clock
		differential clock
		(DIFFCLK/SECLK = OVDD)
		Power-down mode (PD = OVDD)		0.165
		clock idle		0.165
		clock idle

		Normal operating mode		19.7
		fIN = 175MHz at -0.5dBFS		19.7
Digital Output Supply Current	IOVDD	fIN = 175MHz at -0.5dBFS				mA
Digital Output Supply Current	IOVDD	Power-down mode (PD = OVDD)		0.001		mA
		Power-down mode (PD = OVDD)
		clock idle
		clock idle

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Contents Applications FeaturesGeneral Description Ordering InformationAnalog Input INAP, INAN, INBP, Inbn Parameter Symbol Conditions MIN TYP MAX Units DC AccuracyDynamic Characteristics differential inputs Conversion RateParameter Symbol Conditions MIN TYP MAX Units Interchannel Characteristics Internal Reference RefoutVcom Digital Inputs DIFFCLK/ SECLK, G/ T, PD, DIV2, DIV4 Parameter Symbol Conditions MIN TYPClock Inputs CLKP, Clkn Digital Outputs D0A-D11A, D0B-D11B, DORA, DORB, DAVOvdd Power RequirementsD0A-D11A, Dora DIFFCLK/SECLK = GNDFFT Plot 16,384-POINT Data Record Typical Operating CharacteristicsTiming Characteristics Figure FFT Plot 32,768-POINT Data RecordMAX12527 THD, Sfdr vs. Clock Speed fIN = 70MHz, AIN = -0.5dBFS FCLK = 65.00352MHz, fIN = 175MHz FIN = 70MHz, AIN = -0.5dBFSTHD, Sfdr vs. Clock Duty Cycle FIN = 70MHz, AIN = -0.5dBFS SNR, Sinad vs. Temperature fIN = 175MHz, AIN = -0.5dBFS Pin Description PIN Name FunctionSame side of the PC board D2B D0BD1B D3BRefout Detailed DescriptionShref RefinFunctional Diagram Analog Inputs and Input Track-and-Hold T/H Amplifier Reference ConfigurationsReference Mode Reference OutputClock Duty-Cycle Equalizer Clock Input and Clock Control LinesSystem Timing Requirements DIV4 DIV2 FunctionDOR Equivalent BinaryD11A-D0A D11A-D0A D11B-D0B CODE10Power-Down Input Vrefp VrefnBinary-to-Gray and Gray-to-Binary Code Conversion Using Transformer Coupling Single-Ended AC-Coupled Input SignalApplications Information Buffered External Reference Drives Multiple ADCs Unbuffered External Reference Drives Multiple ADCsGrounding, Bypassing, and Board Layout MAX12527Parameter Definitions Overdrive Recovery Time Aperture DelayFull-Power Bandwidth Total Harmonic Distortion THDPin Configuration Gain MatchingOffset Matching Package Information 68L QFN THIN.EPS