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Amplifier and Data Converter Selection Guide (Rev. B

Amplifier and Data Converter Selection Guide (Rev. B

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66➔ADCs by ArchitecturePipeline ADCs14-Bit, 170MSPS/190MSPS/210MSPS ADCs with LVDS/CMOS OutputsADS5545, ADS5546, ADS5547Get datasheets at: www.ti.com/ADS5546, www.ti.com/ADS5545 or www.ti.com/sc/device/ADS5547Key Features• SNR: 73.2dBc at 70MHz IF• SFDR: 84dBc at 70MHz IF• Total power disipation: 1.1W• DDR LVDS <strong>and</strong> parallel CMOSoutput options• Internal/external reference support• Clock duty cycle stabilizer• 3.3V analog <strong>and</strong> digital supply• Packaging: QFN-48 (7x7mm)Applications• Wireless communication infrastructure• Software-defined radio• Power amplifier linearization• Test <strong>and</strong> measurement• Medical imaging• Radar systemsThe ADS5545, ADS5546, <strong>and</strong> ADS5547 are 14-bit, 170MSPS, 190MSPS <strong>and</strong> 210MSPS, respectively,ADCs that operate from a 3.3V supply <strong>and</strong> offer unprecedented digital outputflexibility with fully differential double data rate (DDR) LVDS or parallel CMOS output options.Using an internal sample <strong>and</strong> hold <strong>and</strong> low jitter clock buffer, the three devices support highSNR <strong>and</strong> high SFDR at high IFs. The ADS5525 <strong>and</strong> ADS5527 are pin compatible 12-bit,170MSPS <strong>and</strong> 210MSPS versions of the ADS5545 <strong>and</strong> ADS5547, respectively.CLKPCLKMINPINMVCMSHAAVDDADS5547AGNDCLOCKGEN14-BitADCReferenceDigital Encoder<strong>and</strong>SerializerControlInterfaceDRVDDDRGNDCLKOUTPCLKOUTMD0_D1_PD0_D1_MD2_D3_PD2_D3_MD4_D5_PD4_D5_MD6_D7_PD6_D7_MD8_D9_PD8_D9_MD10_D11_PD10_D11_MD12_D13_PD12_D13_MOVRIREFSCLKSENSDATARESETOEDFSMODELVDS MODEMonolithic 12-Bit, 500MSPS ADCADS5463ADS5547 functional block diagram.Get samples, datasheets, evaluation modules <strong>and</strong> app reports at: www.ti.com/sc/device/ADS5463Key Features• 12-bit resolution at 500MSPS• SNR: 65.5dBFS at 100MHz f IN• SFDR: 80dBc at 100MHz f IN• 10.5-bit ENOB at 100MHz f IN• Analog operation: 5V <strong>and</strong> 3.3V, 3.3V digital• Total power dissipation: 2.25W• 3.3V LVDS outputs• 2.2Vpp input range; 2GHz input BW• Pin compatible with ADS5440, ADS5444• I-temp, Mil-temp enhanced plastic product(114 x 114mm 2 ), <strong>and</strong> space qualifiedpackage availability• Packaging: TQFP-80Applications• Test <strong>and</strong> measurement• Software-defined radio• Multi-channel base station receivers• Base station TX digital predistortion• Communications instrumentationThe new ADS5463 is the highest performing 12-bit monolithic ADC available with a 500MSPSsample rate while providing 65.5dBFS SNR <strong>and</strong> 80dBc SFDR through 100MHz f IN . Offered in aspace-saving 14mm x 14mm 80-pin TQFP package that is pin compatible to the 13-bit,210MSPS ADS5440 <strong>and</strong> 250MSPS ADS5444, the new ADC meets the resolution <strong>and</strong> speedrequirements for applications such as communications, amplifier linearization, test <strong>and</strong>measurement instrumentation, software-defined radio, radar <strong>and</strong> imaging systems.A1 TH1 TH2 ∑ A2 TH3 ∑ A3ReferenceTimingADC1ADS5463 functional block diagram.5DAC1ADC2Digital Error Correction5DAC2ADC3ADS54635<strong>Amplifier</strong> <strong>and</strong> <strong>Data</strong> <strong>Converter</strong> <strong>Selection</strong> <strong>Guide</strong> Texas Instruments 3Q 2007

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