AD7606C-18BSTZ

AD7606C-18 is an 18bit, simultaneous sampling, analogue-to-digital data acquisition system (DAS) with eight channels. Each channel contains analogue input clamp protection, a programmable gain amplifier (PGA), a low-pass filter (LPF), and an 18bit successive approximation register (SAR) analogue-to-digital converter (ADC). The AD7606C-18 also contains a flexible digital filter, a low drift, 2.5V precision reference, a reference buffer to drive the ADC, and flexible parallel and serial interfaces. Typical application includes power-line monitoring and protection systems, multiphase motor control, instrumentation and control systems, multi-axis positioning systems and data acquisition systems (DAS).

• 18bit ADC with 1MSPS on all channels
• Single 5V analogue supply and 1.71V to 5.25V VDRIVE
• Per channel selectable analogue input ranges: bipolar single-ended: ±12.5V, ±10V, ±6.25V, ±5V, ±2.5V
• Unipolar single-ended: 0 to 12.5V, 0 to 10V, 0 to 5V and bipolar differential: ±20, ±12.5, ±10, ±5V
• Bipolar differential: ±20, ±12.5, ±10, ±5V, flexible digital filter, oversampling ratio up to 256
• 93dB typical SNR for ±20V bipolar differential range and 102dB SNR, oversampling by 32
• Typical THD of −100dB for all other ranges, TUE = 0.05% of FSR maximum, external reference
• ±0.5ppm/°C typical PFS and NFS error drift and ±3ppm/°C typical reference temperature coefficient
• 64 lead LQFP package
• Operating temperature range from -40°C to +125°C

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