
World’s highest-performance RF DAC
Key features
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Dual-channel,`16-bit`resolution,`up`to`1.25`Gsps
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LVDS`DDR`input`interface`with`on-chip`100`Ω`terminations
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Selectable`x2,`x4`and`x8`interpolation`filters
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1.8`and`3.3`V`power`supplies
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`SFDRrbw`=`85dBc``(F
S
`=`1.22`Gsps;`interpolation`x4;`
bandwidth`=`250`MHz;`F
OUT
`=`150`MHz)
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NSD`=`-164`dBm/Hz`(F
OUT
`=`20`MHz)
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`MD3`=`85`dBc`(F
S
`=`1.22`Gsps;`interpolation`x4;`
F
O1
`=`152`MHz;`F
O2
`=`155.1`MHz)
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One`Carrier`ACLR`=`77`dB`(Fs`=`1.22`Gsps;`F
NCO
`+`210`MHz)`
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Embedded`complex`modulator`with`40-bit`NCO
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Sample-accurate`Multi`Device`Synchronization`(MDS)`across`
sixteen`DAC`channels`
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Very`low`noise,`capacitor-free`integrated`PLL
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External`analog`offset`control`(dual`10-bit`auxiliary`DACs)
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Internal`gain,`phase,`and`offset`control
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Inverse`(sin`x)`/`x`function
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SPI`control/status`interface
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Differential`scalable`output`current`up`to`31.8`mA
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1.78`W`power`consumption`@`1.25`Gsps,`NCO`on,`MDS`off
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Small`HVQFN72`package`(10`x`10`mm`outline)
Designed`for`reference`standard`digital`radio`transmitter`and`digital`signal`synthesizers,`this``
high-speed`D/A`converter`offers`best-in-class`linearity`(SFDR`and`IMD)`combined`with`ultra`low`
noise`(NDS)`over`a`broad`output`bandwidth`in`both`zero-IF`and`high-IF`use`cases.
Applications
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Wireless`infrastructure`radio`basestations`(LTE-A,`LTE,`
WiMAX,`MC-GSM,`CDMA,`W-CDMA,`TD-SCDMA)
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Communication:`LMDS/MMDS,`point-to-point
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Direct`Digital`Synthesis`(DDS)
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Broadband`wireless`systems
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Digital`radio`links
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Instrumentation
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Automated`Test`Equipment`(ATE)
The`NXP`DAC1627D1G25`is`a`high-speed`16-bit`dual-channel`
digital-to-analog`converter`(DAC)`with`selectable`2x,`4x,`and`
8x`interpolating`filters.`It`is`optimized`for`multi-carrier`and`
broadband`wireless`transmitters`at`sample`rates`up`to``
1.25`Gsps.`
Supplied`from`3.3`and`1.8`V`power`sources,`the`
DAC1627D1G25`integrates`a`differential`scalable`output`
current`up`to`31.8`mA.``Digital`on-chip`modulation`up-converts`
the`complex`I`and`Q`inputs`from`the`baseband`to`IF,`with`the`
mixer`frequency`set`by`a`high`resolution`40-bit`Numerically`
Controlled`Oscillator`(NCO).`High-resolution`internal`gain,`
phase,`and`offset`control`provide`outstanding`image`and``
LO`rejection`at`the`system`analog`modulator`output.
DAC1627D1G25 16-Bit,
Dual-Channel, 1.25 Gsps
Radio Frequency D/A
Converter