Texas Instruments SM320F2812-HT AC Specifications1, Current Consumption1, Min Typ Max

SM320F2812-HT

SGUS062A –JUNE 2009 –REVISED APRIL 2010					www.ti.com
	Table 6-47. AC Specifications(1) (2)
	PARAMETER	TA = –55°C to 125°C		TA = 220°C		UNIT
		MIN	TYP MAX	MIN TYP	MAX
SINAD	Signal-to-noise ratio + distortion		62	57		dB
SNR	Signal-to-noise ratio		62	57		dB
THD	Total harmonic distortion		-68	-68		dB
ENOB (SNR)	Effective number of bits		10.1	9.1		Bits
SFDR	Spurious free dynamic range		69	68		dB

(1)Not production tested.

(2)Validated at the following conditions: ADC Input Frequency = 10.71 KHz, XCLKIN = 30 MHz, PLLCR = 0xA (SYSCLK = 150 MHz), HSPCP = 3 (ADCCLK= 25 MHz), ADCCLKPS = 1 (ADCCLK= 12.5 MHz), CPS = 0 (ADCCLK =12.5 MHZ), ACQ_PS (SH) = 3

6.29.3Current Consumption for Different ADC Configurations (at 25-MHz ADCCLK)

Table 6-48. Current Consumption(1)

I (TYP) (2)	I	DDAIO	(TYP)	I (TYP)	ADC OPERATING MODE/CONDITIONS (3)
DDA				DD1
					Mode A (Operational Mode):
40 mA		1 μA		0.5 mA	–BG and REF enabled
					–PWD disabled
					Mode B:
7 mA		0		5 μA	–ADC clock enabled
					–BG and REF enabled
					–PWD enabled
					Mode C:
1 μA		0		5 μA	–ADC clock enabled
					–BG and REF disabled
					–PWD enabled
					Mode D:
1 μA		0		0	–ADC clock disabled
					–BG and REF disabled
					–PWD enabled

(1)Not production tested.

(2)IDDA – includes current into VDDA1/ VDDA2 and AVDDREFBG

(3)Test Conditions: SYSCLKOUT = 150 MHz ADC module clock = 25 MHz

ADC performing a continuous conversion of all 16 channels in Mode A

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