AD9122 데이터 시트보기 (PDF) - Analog Devices

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AD9122

Dual, 16-Bit, 1200 MSPS, TxDAC+® Digital-to-Analog Converter

Analog Devices 

FUNCTIONAL BLOCK DIAGRAM

AD9122

D15P—D15N

D0P—D0N

DCI

FRAME

fDATA/2

FIFO PRE

MOD

HB1

NCO

AND

MOD

HB2

HB3

16

16

10

I OFFSET INV

Q OFFSET SINC

16

16

1.2G

DAC 1 AUX

16-BIT

DAC CLK

1.2G

DAC 1 AUX

16-BIT

IOUT1P

IOUT1N

IOUT2P

IOUT2N

INTERNAL CLOCK TIMING AND CONTROL LOGIC

PROGRAMMING

REGISTERS

SERIAL

INPUT/OUTPUT

PORT

POWER-ON

MULTICHIP

SYNC

RESET SYNCHRONIZATION

PLL CONTROL

DAC_CLK

PLL_LOCK

10 10

REF

AND

BIAS

DAC CLK_SEL

0

CLOCK

1 MULTIPLIER

(2× TO 16×)

CLK

RCVR

CLK

RCVR

REFIO

FSADJ

DACCLKP

DACCLKN

REFCLKP

REFCLKN

Figure 2. AD9122 Functional Block Diagram

Rev. 0 | Page 3 of 56

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