DAC38RF80_017 Datasheet, PDF (1/155 Pages) Texas Instruments – Dual- or Single-Channel, Single-Ended or Differential Output, 14-Bit, 9-GSPS, RF-Sampling DAC With JESD204B Interface and On-Chip PLL

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DAC38RF80, DAC38RF83, DAC38RF84
DAC38RF85, DAC38RF90, DAC38RF93
SLASEA3C – DECEMBER 2016 – REVISED JULY 2017
DAC38RFxx Dual- or Single-Channel, Single-Ended or Differential Output,
14-Bit, 9-GSPS, RF-Sampling DAC With JESD204B Interface and On-Chip PLL
1 Features
•1 14-Bit Resolution
• Maximum DAC Sample Rate: 9 GSPS
• Key Specifications:
– RF Full-Scale Output Power at 2.1 GHz:
– DAC38RF80/90/84: 0 dBm
– DAC38RF83/93/85: 3 dBm (with 2:1 balun)
– Spectral Performance(on-chip PLL, DIFF):
– f_DAC = 5898.24 MSPS, f_OUT = 2.14 GHz
– WCDMA ACLR: 75 dBc
– WCDMA alt-ACLR: 77 dBc
– f_DAC = 8847.36 MSPS, f_OUT = 3.7 GHz
– 20 MHz LTE ACLR: 63 dBc
– f_DAC = 9 GSPS, f_OUT = 1.8 GHz
– IMD3 = 70 dBc (–6 dBFS, 10-MHz tone
spacing)
– NSD = –157 dBc/Hz
• 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
(DAC38RF80/90/84) Covering 700 MHz to 3800
MHz
• Internal PLL and VCO With Bypass
– f_C(VCO) = 5.9 or 8.9 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
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 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. An
optional low-jitter PLL/VCO simplifies the DAC
sampling clock generation by allowing use of a lower
frequency reference clock.
Device Information⁽¹⁾
PART NUMBER
OUTPUT TYPE
NUMBER OF
CHANNELS
DAC38RF83
2
DAC38RF93
Differential
2
DAC38RF85
1
DAC38RF80
2
DAC38RF90
Single ended
2
DAC38RF84
1
(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
2 Applications
• Wireless Communications
• Communications Test Equipment
• Arbitrary Waveform Generators
• Military Software Defined Radios
• Radar and Satellite Communications (SATCOM)
1
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.