AD7386BCPZ-RL7

AD7386 is a 4 channel, 4MSPS, 16bit, dual, high speed, simultaneous sampling SAR ADC. The analogue input types are single-ended and are sampled and converted on the falling edge of CS (active high). This is an on-chip sequencer and integrated on-chip oversampling block to improve dynamic range and reduce noise at lower bandwidths. A buffered internal 2.5V reference is included. Alternatively, an external reference upto 3.3V can be used. The conversion process and data acquisition use standard control inputs, allowing interfacing to microprocessors or digital signal processors (DSPs). Application includes motor control position feedback, motor control current sense, sonars, power quality, data acquisition systems, erbium doped fibre amplifier (EDFA) applications, inphase and quadrature demodulation.

• Single-ended analogue inputs, 4-channel with 2:1 multiplexers
• Channel sequencer mode
• Signal-to-noise ratio is 87.5dB typical at (VREF = 3.3V external, TA = -40°C to +125°C)
• On-chip oversampling functions
• Integral nonlinearity is ±1.5LSB typical at (VCC = 3V to 3.6V, TA = -40°C to +125°C)
• Resolution boost function, alert function
• 2.5V internal reference at 10ppm/°C maximum
• High throughput rate is 4MSPS maximum
• Total harmonic distortion is -99dB typ at (VREF = 3.3V external, VCC = 3V-3.6V, TA = -40 to +125°C)
• 16 lead LFCSP package, temperature range from -40°C to +125°C

附註

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