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DAC38RF82 数据表(PDF) 1 Page - Texas Instruments

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部件名 DAC38RF82
功能描述  Dual-Channel, Differential-Output, 14-Bit, 9-GSPS, RF-Sampling DAC With JESD204B Interface, On-Chip PLL and Wide-Band Interpolation
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

DAC38RF82 数据表(HTML) 1 Page - Texas Instruments

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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.
DAC38RF82, DAC38RF89
SLASEA6B – FEBRUARY 2017 – REVISED AUGUST 2017
DAC38RF8x Dual-Channel, Differential-Output, 14-Bit, 9-GSPS, RF-Sampling DAC With
JESD204B Interface, On-Chip PLL and Wide-Band Interpolation
1
1 Features
1
14-Bit Resolution, 9-GSPS DAC with Multimode
Operation
16-Bit, Dual-Channel Data Mode
Max Input Rate: 2.5-GSPS
Wideband Digital Up-converter
Interpolation:
1,2,4,6,8,10,12,16,18,20,24x
12-Bit, Dual-Channel Data Mode
Max Input Rate: 3.33-GSPS
Wideband Digital Up-converter
Interpolation: 1,2,24x
8-Bit, Single-Channel Data Mode
Max Input Rate: 9-GSPS
JESD204B Interface
Subclass 1 for Multichip Synchronization
Maximum Lane Rate: 12.5 Gbps
Differential Output
Supports DC Coupling
RF Full-Scale Output Power (with 2:1 Balun):
3 dBm at 2.14 GHz
Internal PLL and VCO with bypass
DAC38RF82: fC(VCO) = 5.9 or 8.9 GHz
DAC38RF89: fC(VCO) = 5 or 7.5 GHz
Power Supplies: -1.8 V, 1.0 V, 1.8 V
Package: 10 x 10 mm BGA, 0.8mm Pitch,
144-Balls
2 Applications
Arbitrary Waveform Generators
Radar and Electronic Warfare
Communications Test Equipment
Direct RF Synthesis for DOCSIS 3.0/3.1
Microwave Backhaul
3 Description
The
DAC38RF82
and
DAC38RF89
are
high
performance, wide bandwidth RF-sampling digital-to-
analog (DACs) that are capable of dual channel input
data rate up to 3.33 GSPS or single-channel
operation with 8-bits up to 9-GSPS. The devices have
a low power JESD204B Interface with up to 8 lanes,
with a maximum bit rate of 12.5 Gbps.
In dual channel operation, the input interface is
capable of data rates up to 3.33 GSPS at 12-bits and
2.5 GSPS at 16-bits resolution without interpolation.
When used as a complex baseband transmitter with
interpolation modes from 2x to 24x, the DAC38RF82
or DAC38RF89 is capable of synthesizing wideband
signals up to 2 GHz bandwidth with 16-bit input
resolution and 2.66 GHz bandwidth with 12-bit input
resolution.
The 8-bit mode allows an input at the full 9 GSPS
maximum DAC sample rate and can synthesize
wideband signals from 0 to 4.5 GHz.
An optional low jitter PLL/VCO simplifies the DAC
clock generation by allowing use of a lower frequency
reference
clock.
DAC38RF82
and
DAC38RF89
support different VCO frequency ranges, summarized
in Device Comparison Table.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
DAC38RF82
FCBGA (144)
10.0 mm x 10.0 mm
DAC38RF89
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
32x6 MHz 256-QAM carriers


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