Transcription of Precision Data Converter - TI.com
1 Precision data Converter Companion Devices Selection Guide | 1 Precision data Converter Companion Devices Selection Guide2 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 3 Precision data ConverterCompanion Devices Selection GuideRevision: June, 2017 For the latest revision, go TI s Precision data Converter portfolio, and find more technical resources: Precision ADCs: DACs: MUXR eferenceDAC MCUDSPFPGAP rocessor 4 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 5 Precision digital-to-analog convertersCompanion productsReference designProduct numberProduct descriptionResolution (bits)No. of channelsOutput typeProduct typeProduct numberProduct descriptionSystem highlight (performance)Document referenceDAC988118-bit, 1-channel, low noise, buffered voltage output DAC181 Buffered voltageOp ampOPA219236-V, Precision , RRIO, low offset voltage, low input bias current op amp with e-trimDAC sample and hold glitch reduction reference designTIPD142 Signal switchTS12A4515 Low-voltage, low on-state resistance SPST CMOS analog switchesIntroductionIn this guide you will find tables organized by the data Converter listed in the left most column.
2 Each row contains a list of devices which when paired with the data Converter can be used to achieve the signal chain performance and optimization products that pair well the ADC/DAC highlighted. These companion devices are also featured in the reference design to achieve an optimally performing systemADC/DAC and its highlightsIn the right most column you will find a reference design developed and rigorously tested by signal chain experts. They include the following information, which can be used to decrease system development time and increase system performance: Circuit Topology PCB Layout Simulated ResultsADC/DAC and its highlights Component Selection Calculated Results Measured ResultsADC Input DriverADC reference DriverSAR ADCA mplifierSignal chain specificationsSignal chain performanceVoltage referenceReference specificationsBuffer amplifierReference driver performanceReference designs & supportADS9110 2 MSPS, 1 channel, fully differentialOPA26251) 2-MSPS throughput2) Fully differential input3) 5-V single supplyOptimized for linearity: + LSB INL (TYP), + LSB INL (MAX)REF5045 VREF= , init.
3 Accuracy, low drift 3 ppm/ CComposite amplifier: OPA2625, OPA378 Composite zero-offset reference bufferTI Design: TIPD115 Table Version 1: SAR ADCsTable Version 2: Delta-Sigma ADCs and DACsRecommended data Converter input driver, selected to achieve optimum performance ( linearity) and the tested system performanceRecommended reference and reference driver for the ADC, chosen to achieve the previously specified system performance6 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 7 ContentsSAR | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 9 AmpReferenceSAR ADC MUXR eferenceDAC MCUDSPFPGAP rocessor SAR ADCSAR ADC10 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 11 DeviceResolution (bits)Sample rate (kSPS)No.
4 Of channelsInput range (V)SNR (dB, typ)THD (dB, typ)INL ( LSB, Max)Operating temperature range range ( C)ADS91101820001 to 85 ADS88811810001 5100-1152-40 to 85, 0 to 70 ADS8887181001 to 5100-1153-40 to 85 ADS8883186801 5100-1153-40 to 85 ADS83831850010 to to 85 ADS83801860010 to to 85 ADS83811858010 to to 85 ADS83821860010 to to 85 ADS848418125010 to to 85 ADS848218100010 to to 85 ADS848118100010 to to 85 ADS88661610010 to 593-1082-40 to 85 ADS8867161001 to 85 ADS88641640010 to 593-1082-40 to 85 DeviceResolution (bits)Sample rate (kSPS)No. of channelsInput range (V)SNR (dB, typ)THD (dB, typ)INL ( LSB, Max)Operating temperature range range ( C)ADS8865164001 to 85 ADS8342162504 to 85 ADS83441610080 to to 85 ADS83451610080 to to 85 ADS8863166801 to 85 ADS88621668010 to 593-1082-40 to 85 ADS886016100010 to 593-1082-40 to 85 ADS88611610001 to 85 ADS83171625010 to to 85 ADS83391625010 to to 85 ADS83321650080 to to 85 ADS83311650040 to to 85 ADS83501675020 to to 125 ADS83531660020 to to 125 ADS83541670020 to to 125 SAR ADCSAR ADC12 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 13 DeviceResolution (bits)Sample rate (kSPS)No.
5 Of channelsInput range (V)SNR (dB, typ)THD (dB, typ)INL ( LSB, Max)Operating temperature range range ( C)ADS8688165008 to 125 ADS8684A165004 to 125 ADS8688A165008 to 125 ADS8684165004 to 125 ADS84221640010 to to 85 ADS8505162501 to 85 ADS794514200020 to to 125 ADS794614200020 to to 125 ADS78501475020 to to 125 ADS789114300010 to to 85 ADS785314100020 to to 125 ADS785414100020 to to 125 ADS785114150020 to to 125 ADS8674145004 to 125 DeviceResolution (bits)Sample rate (kSPS)No. of channelsInput range (V)SNR (dB, typ)THD (dB, typ)INL ( LSB, Max)Operating temperature range range ( C)ADS8678145008 to 125 ADS704212100010 to to 125 ADS704312100010 to to 125 ADS704412100010 to to 125 TLV255312200110 to to 85 ADS7952121000120 to to 125 ADS795012100040 to to 125 ADS795112100080 to to 125 ADS7953121000160 to to 125 ADS86381210008 to 125 ADS72501275020 to to 125 ADS725412100020 to to 125 ADS725312100020 to to 125 ADS725112200020 to to 125 SAR ADCSAR ADC14 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 15 ADC Input DriverADC reference DriverSAR ADCA mplifierSignal chain specificationsSignal chain performanceVoltage referenceReference specificationsBuffer amplifierReference driver performanceReference designs & supportADS8900B 1 MSPS, 1 channel, 5 input range.
6 Int reference bufferOPA26251) 1-MSPS throughput2) 1 ppm INL3) 102 db SNR 4) -125 db THDO ptimized for AC and DC performance: ppm INL, dB SNR, -125 dB THDREF5050 VREF= , init. accuracy, low drift 3 ppm/ CInternal reference bufferTI Design: TIPD211 THS45511) 1-MSPS throughput2) kVRMS Isolation2) 101 dB SNR3) -125 dB THDJ itter optimized with digital isolation: dB SNR, dB THDREF5050 VREF= , init. accuracy, low drift 3 ppm/ CInternal reference bufferTI Design: TIDA-01035 THS45511) 1-MSPS throughput2) kVRMS Isolation2) 101 dB SNR3) -125 dB THDO ptimized for AC distortion with isolation: dB SNR, dB THDREF5050 VREF= , init. accuracy, low drift 3 ppm/ CInternal reference bufferTI Design: TIDA-01037 Resolution: 20 bitSAR ADC16 | Precision data Converter Companion Devices Selection GuidePrecision data Converter Companion Devices Selection Guide | 17 ADC Input DriverADC reference DriverSAR ADCA mplifierSignal chain specificationsSignal chain performanceVoltage referenceReference specificationsBuffer amplifierReference driver performanceReference designs & supportADS8910B 1 MSPS, 1 channel, 5 input range, int reference bufferOPA26251) 1-MSPS throughput2) LSB INL3) 101 db SNR 4) -125 db THDO ptimized for AC and DC performance: LSB INL, dB SNR, -125 dB THDREF5050 VREF= , init.
7 Accuracy, low drift 3 ppm/ CInternal reference bufferTI Design: TIPD211 ADS9110 2 MSPS, 1 channel, fully differentialOPA26251) 2-MSPS throughput2) Fully differential input3) 5-V single supplyOptimized for linearity: + LSB INL (TYP), + LSB INL (MAX)REF5045 VREF= , init. accuracy, low drift 3 ppm/ CComposite amplifier: OPA2625, OPA378 Composite zero-offset reference bufferTI Design: TIPD115 ADS8881 1 MSPS, 1 channel, 5 input range, fully differentialOPA3501) 1-MSPS throughput2) Transient step input 3) 5-V single supply18-bit, full-scale, step settling at 1-MSPS throughput:Settling time <500 ns, INL LSB, power < 70 mWREF5045 VREF= , init. accuracy, low drift 3 ppm/ CComposite amplifier: OPA333+THS4281 Low offset, low offset drift V/ C, wide BW, low output impedanceTI Design: TIPD112 OPA3201) 1-MSPS throughput2) 10-kHz AC input 3) 5-V single supplyOptimized for lowest power: P<35 mW, SNR >98 dB, THD <-105 dBREF5045 VREF= , init.
8 Accuracy, low drift 3 ppm/ CComposite amplifier: OPA333+THS4281 Low offset, low offset drift V/ C, wide BW, low output impedanceTI Design: TIPD113 THS4521 Optimized for lowest distortion and noise: THD <-110dB, SNR >98 dB, P=<40 mWREF5045 VREF= , init. accuracy, low drift 3 ppm/ CComposite amplifier: OPA333+THS4281 Low offset , low offset drift V/ C, wide BW, low output impedanceTI Design: TIPD115 THS45211) 1-MSPS throughput2) Fully differential input3) Support for bipolar inputsOptimized for low total harmonic distortion:THD <-110dB, SNR >98 dB, P=<40 mWREF6025 VREF= , init. accuracy, low drift 5 ppm/ C integrated high-bandwidth bufferIntegrated into: REF6025 voltage referenceAccounted for in REF6025 voltage reference specificationsREF6025 EVM-PDKOPA3331) 10-kSPS throughput 2) 200-Hz input (ECG signals) 3) single supplyECG signals, ultra low power:Input noise=48 uVRMS, SNR >90 dB, P=<1 mWREF3030 VREF= , init.
9 Accuracy, 50 ppm/ C (0 to +70 C)OPA313 Micro power, low drift 2 V/ C data rate=10-kSPSTI Design: TIPD116 OPA3331) 10-kSPS throughput 2) DC signals 3) single supplyDC signals, ultra low power:System noise= VRMS, effective resolution > , P=<1 mWREF3325 VREF= , init. accuracy, 30 ppm/ C (-40 to +125 C)OPA313 Micro power, low drift 2 V/ C data rate=10-kSPSTI Design: TIPD114 ADS8883 680 kSPS, 1 channel, 5 input range, fully differentialOPA3501) 680-kSPS throughput 2) Transient step input 3) 5-V single supply18-bit full scale step settling at 680-kSPSthroughput: Settling time <1500ns, INL , power < 70 mWREF5045 VREF= , init. accuracy, low drift 3 ppm/ CComposite amplifier: OPA333+THS4281 Low offset, low offset drift V/ C, wide BW, low output impedanceTI Design: TIPD112 OPA3201) 680-kSPS throughput 2) 10-kHz AC input 3) 5-V single supplyOptimized for lowest power: P<35 mW, SNR >98 dB, THD <-105 dBREF5045zVREF= , init.
10 Accuracy, low drift 3 ppm/ CComposite amplifier: OPA333+THS4281 Low offset, low offset drift V/ C, wide BW, low output impedanceTI Design: TIPD113 THS4521 Optimized for lowest distortion and noise: THD <-110 dB, SNR >98dB, P=<40 mWREF5045 VREF= , init. accuracy, low drift 3 ppm/ CComposite amplifier: OPA333+THS4281 Low offset, low offset drift V/ C, wide BW, low output impedanceTI Design: TIPD115 OPA3331) 10-kSPS throughput 2) 200-Hz input (ECG signals) 3) single supplyECG signals, ultra low power: Input noise=48 uVRMS, SNR >90 dB, P=<1 mWREF3030 VREF= , init. accuracy, 50 ppm/ C (0 to +70 C)OPA313 Micro power, low drift 2 V/ C . data rate=10-kSPSTI Design: TIPD116 OPA3331) 10-kSPS throughput 2) DC signals 3) single supplyDC signals, ultra low power: System noise= uVRMS, effective resolution > , P=<1 mWREF3325 VREF= , init.
