The AD7389-4 a 16-bit, quad, simultaneous sampling, high speed, successive approximation register (SAR), analog-to-digital converter (ADC) that operates from a 3.0 V to 3.6 V power supply and features throughput rates up to 2 MSPS. The analog input type is differential, accepts a wide common-mode input voltage, and the analog inputs are sampled and converted on the falling edge of CS. The AD7389-4 has on-chip oversampling blocks to improve dynamic range and reduce noise at lower bandwidths. The oversampling can boost up to two bits of added resolution. A buffered internal 2.5 V reference (10 ppm/°C) is included. The conversion process and data acquisition use standard control inputs allowing for easy interfacing to microprocessors or digital signal processors (DSPs). The conversion result can clock out simultaneously via 4-wire mode for faster throughput or via 1-wire serial mode when slower throughput is allowed. The device is compatible with 1.8 V, 2.5 V, and 3.3 V interfaces, using the separate logic supply. The AD7389-4 is available in a 24-lead lead frame chip scale package (LFCSP) with operation specified from −40°C to +125°C. APPLICATIONS * Motor control position feedback * Motor control current sense * Data acquisition systems * Erbium doped fiber amplifier (EDFA) applications * In phase and quadrature demodulation PRODUCT HIGHLIGHTS * Quad simultaneous sampling and conversion. * Pin-compatible product family. * High throughput rate, 2 MSPS at 16-bit. * Space-saving, 4 mm × 4 mm LFCSP. * Integrated oversampling block to increase dynamic range, reduce noise and reduce SCLK speed requirements. * Differential analog inputs with wide common-mode range. * Small sampling capacitor reduces amplifier drive burden. * 16-bit ADC family * Quad simultaneous sampling * Fully differential analog inputs * Wide common-mode range * High throughput rate: 2 MSPS * Buffered 2.5 V internal voltage reference (10 ppm/°C) * On-chip oversampling function * INL (maximum): 2 LSBs https://elecena.pl/product/20822578/differential-input-quad-internal-reference-simultaneous-sampling-16-bit-sar-adc 2022-05-12 https://elecena.pl/product/20822578/differential-input-quad-internal-reference-simultaneous-sampling-16-bit-sar-adc 2025-01-17