Maxim MAX12557 manual Gain Error vs. Temperature

Dual, 65Msps, 14-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.)

SNR, SINAD vs. TEMPERATURE (fIN = 175MHz, AIN = -0.5dBFS)

	76					toc31
			SNR
	74					MAX12557
	72
(dB)	70
SINAD	68		SINAD
SNR,	66
	64
	62
	60
	-40	-15	10	35	60	85
			TEMPERATURE (°C)

-THD, SFDR vs. TEMPERATURE (fIN = 175MHz, AIN = -0.5dBFS)

	90					toc32
	85					MAX12557
SFDR (dBc)	80				SFDR
	75
-THD,	70			-THD
	65
	60
	-40	-15	10	35	60	85

TEMPERATURE (°C)

MAX12557

GAIN ERROR vs. TEMPERATURE OFFSET ERROR vs. TEMPERATURE

	3					toc33
	2					MAX12557
(%FSR)ERRORGAIN	1					(%FSR)ERROROFFSET
	0
	-1
	-2
	-3
	-40	-15	10	35	60	85

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

MAX12557 toc34

-40 -15 10 35 60 85

TEMPERATURE (°C) TEMPERATURE (°C)

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