AD7706BRUZ-REEL7

AD7706 is a 3-channel, 16bit, sigma-delta ADC. It is a complete analogue front ends for low frequency measurement applications. This device employ a Σ-Δ conversion technique to realize upto 16 bits of no missing codes performance. The selected input signal is applied to a proprietary, programmable-gain front end based around an analogue modulator. The modulator output is processed by an on-chip digital filter. The first notch of this digital filter can be programmed via an on-chip control register, allowing adjustment of the filter cut-off and output update rate. It is ideal for use in smart, microcontroller, or DSP-based systems. This device features a serial interface that can be configured for 3-wire operation. Gain settings, signal polarity, and update rate selection can be configured in software using the input serial port. The parts contains self-calibration and system calibration options to eliminate gain and offset errors on the part itself or in the system.

• Integral nonlinearity is ±0.003% of FSR maximum
• Programmable gain front end: gains from 1 to 128
• SPI®-, QSPI™-, MICROWIRE™-, and DSP-compatible Schmitt-trigger input on SCLK
• Ability to buffer the analogue input
• Power dissipation is 1mW maximum at 3V
• Standby current is 8μA maximum
• Operating voltage range is 2.7V to 3.3V or 4.75V to 5.25V
• Operating temperature is -40°C to +85°C
• Packaging style is 16-lead TSSOP

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party