AD73322L_17 datasheet(29/49 Pages) AD

部品番号	AD73322L

部品情報	Low Cost, Low Power CMOS General-Purpose Dual Analog Front

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AD73322L

Rev. A | Page 28 of 48

Each bit will take 1/SCLK and, allowing for any latency between

the receipt of the Rx interrupt and the transmission of the Tx

data, the relationship for successful operation is given by

M/DMCLK > ((N × 16/SCLK) + TINTERRUPT LATENCY)

The interrupt latency will include the time between the ADC

sampling event and the Rx interrupt being generated in the

DSP—this should be 16 SCLK cycles.

Because the AD73322L is configured in cascade mode, each

device must know the number of devices in the cascade because

the data and mixed modes use a method of counting input

frame sync pulses to decide when they should update the DAC

register from the serial input register. Control Register A

contains a 3-bit field (DC0-2) that is programmed by the DSP

during the programming phase. The default condition is that

the field contains 000b, which is equivalent to a single device in

the cascade (see Table 26). However, for cascade operation this

field must contain a binary value that is one less than the

number of devices in the cascade, which is 001b for a single

AD73322L device configuration.

Table 26. Device Count Settings

DC2

DC1

DC0

Cascade Length

0

1

0

1

2

0

3

0

1

4

1

0

5

1

0

1

6

1

0

7

1

8

同様の部品番号 - AD73322L_17

メーカー	部品番号	データシート	部品情報
Analog Devices	AD73322L	1Mb / 48P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. A

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同様の説明 - AD73322L_17

メーカー	部品番号	データシート	部品情報
Analog Devices	AD73322	421Kb / 44P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front
	AD73322ARZ	389Kb / 43P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. B
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	AD73322L	437Kb / 40P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. 0
	AD73322L	1Mb / 48P	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End REV. A
	AD73311LARUZ	357Kb / 36P	Low Cost, Low Power CMOS General Purpose Analog Front End REV. A
	AD73311L	382Kb / 36P	Low Cost, Low Power CMOS General Purpose Analog Front End REV. A
	AD73311ARZ-REEL	340Kb / 36P	Low Cost, Low Power CMOS General Purpose Analog Front End REV. B
	AD73311LARUZ-RL7	340Kb / 36P	Low Cost, Low Power CMOS General Purpose Analog Front End REV. B

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