DAC39RFS10 datasheet(1/177 Pages) TI2

Il numero della parte	DAC39RFS10

Spiegazioni elettronici	DDS39RF12 and DDS39RFS12, 12GSPS to 24GSPS, Dual and Single Channel, Multi- Nyquist Direct Digital Synthesizer (DDS)

PDF	177 Pages

Scroll/Zoom	100%

Produttore elettronici	TI2 [Texas Instruments]

Homepage	https://www.ti.com

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DDS39RF12 and DDS39RFS12, 12GSPS to 24GSPS, Dual and Single Channel, Multi-

Nyquist Direct Digital Synthesizer (DDS)

1 Features

• 16-bit, 12 to 24GSPS, multi-Nyquist DAC cores

• Maximum input data rate:

– 16-bit, single channel complex I/Q: 775MSPS

– 16-bit, dual channel complex I/Q: 388MSPS

• Output bandwidth (-3dB): 12GHz

• Performance at fOUT = 2.997GHz, DES2XL mode,

DEM and Dither off

– Noise floor (small signal): -154dBFS/Hz

– SFDR (-0.1dBFS): 68dBc

– IMD3 (-7dBFS each tone): -74dBc

– Additive phase noise, 10kHz offset: -138dBc/Hz

• Four Integrated digital up-converters (DUC)

– Interpolation: 4x, 6x, 8x, 12x ... 256x

– Complex baseband DUC for I/Q output

– Complex to real up conversion for dual channel

direct RF sampling

– 64-bit frequency resolution NCOs

• Fast reconfiguration interface for fast frequency

hopping

– 4-bit data with 200MHz clock

– 60ns reconfiguration (32-bit frequency)

– Any frequency hopping with phase coherence

• JESD204C Interface

– Up to 2 Lanes at up to 12.8Gbps each

– Class C-S, subclass-1 compatible

– Internal AC coupling capacitors

• SYSREF Windowing for automatic SYSREF timing

calibration

2 Applications

• Satellite communications (SATCOM)

• Phased array antenna systems

• Synthetic aperture radar (SAR) exciter

• Wireless communications testers

• Arbitrary waveform generator (AWG)

• Agile, low phase noise LO generation

3 Description

DDS39RF12 and 'RFS12 are a family of dual and

single channel direct digital synthesizers with 16-bit

resolution digital-to-analog converters (DAC). The

high sampling rate, output frequency range, 64-bit

NCO frequency resolution and any frequency hopping

with phase coherence makes the device capable

of arbitrary waveform generation (AWG) and direct

digital synthesis (DDS).

The devices can also be used as interpolating

DACs for narrowband direct RF sampling or complex

baseband signal generation. The maximum input data

rate is 775MSPS for a single channel or 388MSPS for

two channels. The devices can generate signals of up

to 620MHz signal bandwidth (16-bit input resolution)

at carrier frequencies exceeding 10GHz enabling

direct sampling through C-band and into X-band.

A JESD204B and JESD204C compatible serial

interface has 2 receiver pairs capable of up to

12.8Gbps each. The interface is JESD204B and

JESD204C subclass-1 compliant for deterministic

latency and multi-device synchronization through the

use of SYSREF.

Package Information

PART NUMBER

PACKAGE(1)

PACKAGE SIZE(2)

DDS39RF12

DDS39RFS12

FCBGA (256)

17mm x 17mm,

1mm pitch

(1)

For more information, see Section 11.

(2)

The package size (length × width) is a nominal value and

includes pins, where applicable.

CLK+

CLK–

SYSREF+

SYSREF–

SYSREF Window

JESD204B/

204C

Block

DACOUTB+

DACOUTB–

SYNC

Mul -Nyquist DAC

6SRX+

6SRX–

14SRX+

14SRX–

Lane

MUX

DACOUTA+

DACOUTA–

Mul -Nyquist DAC

RF

Bonder

or

IQ DAC

MUX

DUC0

L

DUC1

L

DUC2

L

DUC3

L

2

DESDAC

2

DESDAC

Fast

Recon gura on

controller

Control Interface & GPIOs

Block Diagram (Dual Channel Devices)

DDS39RF12, DDS39RFS12

SBASB21 – SEPTEMBER 2024

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

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Texas Instruments	DAC39RFS10	10Mb / 178P	DAC39RF10 10.24-GSPS, 16-bit, Dual and Single Channel, Multi-Nyquist Digital-to-Analog Converter (DAC) with JESD204B, C Interface MAY 2023
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