AD7768-4BSTZ

AD7768-4 is a 4-channel 24bit, simultaneous sampling, sigma-delta (Σ-Δ) analogue-to-digital converter (ADC) with power scaling and 110.8KHz bandwidth. The devices have a Σ-Δ modulator and digital filter per channel, which enables synchronized sampling of AC and DC signals. Typical applications include data acquisition systems: USB/PXI/Ethernet, instrumentation and industrial control loops, audio testing and measurement, vibration and asset condition monitoring, 3-phase power quality analysis, sonar, high precision medical electroencephalogram (EEG)/electromyography (EMG)/electrocardiogram (ECG).

• Precision AC and DC performance
• 256KSPS maximum ADC ODR per channel, 108dB dynamic range, -120dB THD typical
• ±2ppm of FSR integral nonlinearity (INL), ±50µV offset error, ±30ppm of FSR gain error
• Optimized power dissipation vs. noise vs. input bandwidth
• Selectable power, speed, and input bandwidth: Fast (highest speed): 110.8KHz BW, 51.5mW/ch
• Per channel digital filter
• Programmable input bandwidth/sampling rates
• CRC error checking on data interface and daisy-chaining
• 64 lead LQFP package
• Operating temperature range from -40 to 105°C

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