DAC38RF86 datasheet(1/141 Pages) TI1

Part #	DAC38RF86

Description	Dual- or Single-Channel, Single-Ended, 14-bit, 9-GSPS, RF-Sampling DAC with JESD204B Interface and On-Chip GSM PLL

PDF	141 Pages

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://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, DAC38RF87

DAC38RF97, DAC38RF96

SLASEF4 – FEBRUARY 2017

DAC38RFxx: Dual- or Single-Channel, Single-Ended,

14-bit, 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 GSPS

•

Key Specifications:

–

RF Full Scale Output Power at 2.1 GHz:0 dBm

–

Spectral Performance

–

fDAC = 5898.24 MSPS, fOUT = 2.14 GHz

–

WCDMA ACLR: 73 dBc

–

WCDMA alt-ACLR: 77 dBc

–

fDAC = 8847.36 MSPS, fOUT = 3.7 GHz

–

20 MHz LTE ACLR: 66 dBc

–

fDAC = 9 GSPS, fOUT = 1.8 GHz

–

IMD3 = 70 dBc (–6 dBFS, 10 MHz tone

spacing)

–

NSD = –157 dBc/Hz

•

Dual-Band Digital Upconverter per DAC

–

Max Input Rate: 1 Band: 1250 MSPS

Complex, 2 bands: 625 MSPS Complex Each

–

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

–

4 Independent NCOs with 48-Bit Resolution

•

JESD204B Interface

–

Subclass 1 Support for Multi-chip

Synchronization

–

Maximum Lane Rate: 12.5 Gbps

•

Single-Ended Output with Integrated Balun

Covering 700–3800 MHz

•

Internal PLL and VCO with Bypass

–

DAC38RF86/96: fC(VCO) = 8.9 GHz

–

DAC38RF87/97: fC(VCO) = 5.9 GHz

•

Power Dissipation: 1.4 – 2.2 W/ch

•

Power Supplies: –1.8 V, 1.0 V, 1.8 V

•

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

144-Balls

2 Applications

•

Wireless Communications

•

Radar

•

Communications Test Equipment

•

Arbitrary Waveform Generators

•

Military Software Defined Radio

•

Satellite Communications (SATCOM)

3 Description

The DAC38RFxx is a family of high-performance,

dual/single-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.

A high dynamic range allows the DAC38RFxx family

to generate 3G/4G signals for wireless basestations

with an output frequency up to 4 GHz.

The devices feature a low-power JESD204B Interface

with up to 8 lanes, and provides a maximum bit rate

of 12.5 Gbps and input sample rate of 1.25 GSPS

complex per channel. The DAC38RFxx provides two

digital

upconverters

per

DAC,

with

multiple

interpolation rates and a digital quadrature modulator

with

independent,

frequency

flexible

NCOs.

An

optional low-jitter PLL/VCO simplifies the DAC clock

generation by allowing use of a lower frequency

reference clock.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

DAC38RF86

FCBGA (144)

10.0 mm x 10.0 mm

DAC38RF96

DAC38RF87

DAC38RF97

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

2x20 MHz LTE at 1.84 GHz and 2.14 GHz,

800 MHz Span

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