DAC38RF86 datasheet(1/147 Pages) TI2

Part #	DAC38RF86

Description	DAC38RFxx Dual-Channel, Single-Ended, 14-Bit, 6- and 9-GSPS, RF-Sampling DAC With JESD204B Interface and On-Chip GSM PLL

PDF	147 Pages

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Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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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.

DAC38RF86, DAC38RF96

DAC38RF87, DAC38RF97

SLASEF4B – FEBRUARY 2017 – REVISED JULY 2017

DAC38RFxx Dual-Channel, Single-Ended,

14-Bit, 6- and 9-GSPS, RF-Sampling DAC With JESD204B Interface and On-Chip GSM PLL

1

1 Features

1

•

14-Bit Resolution

•

Maximum DAC Sample Rate:

–

9.0 GSPS (DAC38RF86, DAC38RF96)

–

6.2 GSPS (DAC38RF87, DAC38RF97)

•

Key Specifications:

–

RF Full-Scale Output Power at 2.1 GHz:0 dBm

–

Spectral Performance, DAC38RF87/97

–

fDAC = 5898.24 MSPS, fOUT = 2.14 GHz

–

WCDMA ACLR: 73 dBc

–

WCDMA alt-ACLR: 77 dBc

–

Spectral Performance, DAC38RF86/96

–

fDAC = 8847.36 MSPS, fOUT = 3.7 GHz

–

20 MHz LTE ACLR: 66 dBc

–

fDAC = 9 GSPS, fOUT = 1.8 GHz, –6 dBFS

–

IMD3 = 70 dBc (10-MHz tone spacing)

•

Dual-Band Digital Up-converter per DAC

–

6, 8, 10, 12, 16, 18, 20 or 24x Interpolation

–

4 Independent NCOs With 48-Bit Resolution

•

JESD204B Interface, Subclass 1

–

Support for Multichip Synchronization

–

Maximum Lane Rate: 12.5 Gbps

•

Single-Ended Output With Integrated Balun

Covering 700 MHz to 3800 MHz

•

Internal PLL and VCO

–

DAC38RF86/96: fC(VCO) = 8.85 GHz

–

DAC38RF87/97: fC(VCO) = 5.90 GHz

•

Power Dissipation: 1.4 to 2.2 W/ch

•

Power Supplies: –1.8 V, 1 V, 1.8 V

•

Package: 10 x 10 mm BGA, 0.8 mm Pitch, 144-

Balls

2 Applications

•

Wireless Communications

•

Communications Test Equipment

•

Arbitrary Waveform Generators

•

Military Software Defined Radios

•

Radar and Satellite Communications (SATCOM)

3 Description

The DAC38RF86/96 is a family of high-performance,

dual-channel, 14-bit, 9-GSPS, RF-sampling digital-to-

analog

converters

(DACs)

that

are

capable

of

synthesizing wideband signals from 0 to 4.5 GHz.

The DAC38RF87/97 is also a family of high-

performance, dual-channel, 14-bit, 6-GSPS, RF-

sampling digital-to-analog converters (DACs) that are

capable of synthesizing wideband signals from 0 to 3

GHz. A high dynamic range allows the DAC38RFxx

family to generate signals for a wide range of

applications including 3G/4G signals for wireless

base-stations and radar.

The devices feature a low-power JESD204B Interface

with up to 8 lanes with a maximum bit rate of 12.5

Gbps allowing an input data rate of 1.25 GSPS

complex per channel. The DAC38RFxx provides two

digital

up-converters

per

channel,

with

multiple

options for interpolation rates. A digital quadrature

modulator with independent, frequency flexible NCOs

are available to support multi-band operation. A GSM

compliant low phase noise PLL/VCO is integrated to

simplify the DAC sampling clock generation by

allowing the use of a lower frequency reference clock

Device Information(1)

PART NUMBER

OUTPUT TYPE

NUMBER OF

CHANNELS

DAC38RF86

Single ended

2

DAC38RF96

DAC38RF87

DAC38RF97

(1) For all available device options, see the Device Comparison

Table.

2x20-MHz LTE at 1.84 GHz and 2.14 GHz,

800 MHz Span

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