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ADS5474IPFPG4
14-bit, 400 MSPS Analog-to-Digital Converter with Buffered Input
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VIN TH1 5
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ADS5474SLAS525D–JULY 2007–REVISED DECEMBER 2017
ADS5474 14-Bit, 400-MSPS Analog-to-Digital Converter Features 400-MSPS Sample Rate 14-Bit Resolution, 11.2-Bits ENOB 1.4-GHz Input Bandwidth 80-dBc SFDRat 230 MHz and 400 MSPS 69.8-dBFS SNRat 230 MHz and 400 MSPS 2.2-VPP Differential Input Voltage LVDS-Compatible Outputs 2.5-W Total Power Dissipation 50-mW Power-Down Mode Offset Binary Output Format Output Data Transitions on the Rising and Falling
Edgesofa Half-Rate Output Clock On-Chip Analog Buffer, Track-and-Hold, and
Reference Circuit HTQFP-80 PowerPAD™ Package
(14-mm× 14-mm Footprint) Industrial Temperature Range:
–40°Cto +85°C Pin-Similar, -Compatible With 12-, 13-, and 14-Bit
Family: ADS5463, ADS5440, ADS5444
Applications Test and Measurement Instrumentation Software-Defined Radio Data Acquisition Communication Instrumentation Radar
DescriptionThe ADS5474 deviceisa 14-bit, 400-MSPS analog-
to-digital converter (ADC) that operates from botha
5-V supply and 3.3-V supply while providing LVDS-
compatible digital outputs. This ADCis one ofa
familyof 12-, 13-, and 14-bit ADCs that operate from
210 MSPSto 500 MSPS. The ADS5474 device has input buffer that isolates the internal switchingof
the onboard track and hold (T&H) from disturbing the
signal source while providinga high-impedance input. internal reference generatoris also providedto
simplify the system design.
Designed witha 1.4-GHz input bandwidth for the
conversion of wide-bandwidth signals that exceed
400 MHz of input frequency at 400 MSPS, the
ADS5474 device has outstanding low-noise
performance and spurious-free dynamic range overa
large input frequency range.
The ADS5474 deviceis availablein an TQFP-80
PowerPAD package. The deviceis built on Texas
Instruments complementary bipolar process (BiCom3)
andis specified over the full industrial temperature
range (–40°Cto +85°C).
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Block Diagram
