ADS8406

BurrĆBrown Products from Texas Instruments ADS8406 SLAS426A – AUGUST 2004 – REVISED DECEMBER 2004 16-BIT, 1.25 MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE FEATURES Pseudo-Bipolar, Fully Differential Input, -VREF to VREF 16-Bit NMC at 1.25 MSPS ±2 LSB INL Max, -1/+1.25 LSB DNL 90 dB SNR, -95 dB THD at 100 kHz Input Zero Latency Internal 4.096 V Reference High-Speed Parallel Interface Single 5 V Analog Supply Wide I/O Supply: 2.7 V to 5.25 V Low Power: 155 mW at 1.25 MHz Typ Pin Compatible With ADS8412/8402 48-Pin TQFP Package APPLICATIONS DWDM Instrumentation High-Speed, High-Resolution, Zero Latency Data Acquisition Systems Transducer Interface Medical Instruments Communications DESCRIPTION The ADS8406 is a 16-bit, 1.25 MHz A/D converter with an internal 4.096-V reference. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8406 offers a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles. The ADS8406 has a pseudo-bipolar, fully differential input. It is available in a 48-lead TQFP package and is characterized over the industrial -40°C to 85°C temperature range. Type/Speed 18 Bit Pseudo-Diff 16 Bit Pseudo-Diff 500 kHz ADS8383 16 Bit Pseudo Bipolar, Fully Differential 14 Bit Pseudo-Diff 12 Bit Pseudo-Diff High Speed SAR Converter Family 580 kHz ADS8381 750 MHZ ADS8371 1....