AD7767BRUZ-2-RL7

AD7767BRUZ-2-RL7 is a high-performance, 24-bit, oversampled SAR analogue-to-digital converter (ADC). Ideal for ultralow power data acquisition (such as PCI- and USB-based systems), this device provides 24-bit resolution. The combination of exceptional SNR, wide dynamic range, and outstanding DC accuracy make the device ideally suited for measuring small signal changes over a wide dynamic range. This is particularly suitable for applications where small changes in the input are measured on larger AC or DC signals. In such an application, this device accurately gathers both AC and DC information. It includes an on-board digital filter (complete with linear phase response) that acts to eliminate out-of-band noise by filtering the oversampled input voltage. It is used in applications such as low-power PCI/USB data acquisition systems, low-power wireless acquisition systems, vibration analysis, instrumentation, and high-precision medical acquisition.

• Oversampled successive approximation (SAR) architecture, pass-band ripple is ±0.005dB max
• Synchronization of multiple devices, daisy-chain capability, power-down function
• Output data rate is 128KHz maximum at (AVDD = DVDD = 2.5V ±5%, VDRIVE = 1.8V to 3.6V)
• Signal-to-noise ratio is 108.5dB typical at (full-scale input amplitude, 1KHz tone)
• Total harmonic distortion is -118dB typical at (full-scale input amplitude, 1KHz tone)
• Integral nonlinearity is ±3ppm typical at (AVDD = DVDD = 2.5V ±5%, VDRIVE = 1.8V to 3.6V)
• Zero error is 20μV typical at (AVDD = DVDD = 2.5V ±5%, VDRIVE = 1.8V to 3.6V)
• Gain error is 0.0075% FS typical at (AVDD = DVDD = 2.5V ±5%, VDRIVE = 1.8V to 3.6V)
• Operational power is 15mW typical at (128KHz output data rate)
• Operating temperature range from -40°C to +105°C, 16-lead TSSOP package

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