Maxim MAX12527 manual FCLK = 65.00352MHz, fIN = 175MHz, FIN = 70MHz, AIN = -0.5dBFS

Dual, 65Msps, 12-Bit, IF/Baseband ADC

Typical Operating Characteristics (continued)

(VDD = 3.3V, OVDD = 2.0V, GND = 0, REFIN = REFOUT (internal reference mode), CL ≈ 5pF at digital outputs, VIN = -0.5dBFS, DIFFCLK/SECLK = OVDD, PD = GND, G/T = GND, fCLK = 65MHz (50% duty cycle), TA = +25°C, unless otherwise noted.)

-THD, SFDR vs. ANALOG SUPPLY VOLTAGE	SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)	(fCLK = 65.00352MHz, fIN = 70MHz)

-THD, SFDR vs. DIGITAL SUPPLY VOLTAGE

(fCLK = 65.00352MHz, fIN = 70MHz)

MAX12527

	90						toc22	72
	85				SFDR		MAX12527	70
SFDR (dBc)	80						SINAD(dB)	68
	75							66
-THD,				-THD			SNR,
	70							64
	65							62
	60	3.1	3.2	3.3	3.4	3.5		60
	3.0						3.6

VDD (V)

SNR	toc23
	MAX12527
	SINAD

1.5	1.8	2.1	2.4	2.7	3.0	3.3	3.6
			OVDD (V)

	90							toc24
	85				SFDR			MAX12527
(dBc)	80
SFDR	75				-THD
-THD,	70
	65
	60
	1.5	1.8	2.1	2.4	2.7	3.0	3.3	3.6
				OVDD (V)

SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE	-THD, SFDR vs. DIGITAL SUPPLY VOLTAGE	PDISS, IVDD (ANALOG) vs. ANALOG SUPPLY VOLTAGE
(fCLK = 65.00352MHz, fIN = 175MHz)	(fCLK = 65.00352MHz, fIN = 175MHz)	(fCLK = 65.00352MHz, fIN = 175MHz)

	72							toc25	90
	70			SNR				MAX12527	85
(dB)	68							(dBc)	80
					SINAD
SINAD								SFDR
	66								75
SNR,	64							-THD,	70
	62								65
	60								60
	1.5	1.8	2.1	2.4	2.7	3.0	3.3	3.6
				OVDD (V)

							toc26	900
							MAX12527	800
			SFDR					700
							mA)
								600
							(mW,
								500
				-THD			VDD	400
							, I
							DISS	300
							P
								200
								100
1.5	1.8	2.1	2.4	2.7	3.0	3.3	3.6	0
			OVDD (V)

						toc27
		PDISS (ANALOG)				MAX12527
				IVDD
3.0	3.1	3.2	3.3	3.4	3.5	3.6

VDD (V)

PDISS, IOVDD (DIGITAL) vs. DIGITAL SUPPLY VOLTAGE

(fCLK = 65.00352MHz, fIN = 175MHz)

	80	CL ≈ 5pF						toc28	72
	70							MAX12527
									70
	60
(mW, mA)
	50							(dB)	68
		PDISS (DIGITAL)
OVDD	40							SINAD	66
, I	30							SNR,
DISS						IOVDD			64
P	20
	10								62
	0								60
	1.5	1.8	2.1	2.4	2.7	3.0	3.3	3.6
				OVDD (V)

SNR, SINAD vs. CLOCK DUTY CYCLE

(fIN = 70MHz, AIN = -0.5dBFS)

SNR	toc29
	MAX12527
SINAD

SINGLE-ENDED CLOCK INPUT DRIVE

25	35	45	55	65	75
		CLOCK DUTY CYCLE (%)

-THD, SFDR vs. CLOCK DUTY CYCLE

(fIN = 70MHz, AIN = -0.5dBFS)

	90		toc30
		SFDR
			MAX12527
	85
(dBc)	80
		-THD
SFDR
	75
-THD,	70
	65

SINGLE-ENDED CLOCK INPUT DRIVE

60

25	35	45	55	65	75
		CLOCK DUTY CYCLE (%)

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