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AD7766

Analog Devices
Part Number AD7766
Manufacturer Analog Devices
Description 128 kSPS/64 kSPS/32 kSPS ADCs
Published Jan 19, 2007
Detailed Description www.DataSheet4U.com Preliminary Technical Data FEATURES 24-Bit, 10mW, 125ksps Analog to Digital Converter in 16 lead T...
Datasheet PDF File AD7766 PDF File

AD7766
AD7766

Overview
www.
DataSheet4U.
com Preliminary Technical Data FEATURES 24-Bit, 10mW, 125ksps Analog to Digital Converter in 16 lead TSSOP AD7766 PRODUCT OVERVIEW The AD7766 is high performance 24-bit over-sampled analog to digital converter combining wide dynamic range and input bandwidth with an on chip FIR filter while consuming only 20mW max power in a 16 pin TSSOP package.
Specifically designed for ultra low power data acquisition, providing 24-bit resolution and high SNR makes the device ideal for measuring small signal changes over a wide dynamic range.
This is particularly important in many data acquisition applications where small changes are measured on larger AC or DC signals.
In addition the AD7766 provides excellent DC accuracy and drift specifications making the device suitable where DC data also needs to be acquired.
The AD7766 improves SNR performance and simplifies anti aliasing requirements through over-sampling which is important in minimizing input signal distortion to the inputs of the ADC.
A high performance on-chip FIR filter subsequently filters the over-sampled data and removes out of band noise.
A SYNC/PD (Synchronisation/Power down) pin is an added feature, allowing for easy synchronization of multiple devices.
The device operates from -40oC to 105oC.
By combining wide dynamic range and high SNR at output data rates up to 125ksps with ultra low power the AD7766 provides a compact solution for low power data acquisition such as PCI or USB based systems.
High performance 24-bit ADC 114dB SNR at 31.
25 KHz output data rate 111dB SNR at 62.
5 KHz output data rate 108dB SNR at 125 KHz output data rate Max 20mW Power Consumption 10mW typ at 31.
25 KHz output data rate 12mW typ at 62.
5 KHz output data rate 15 mW typ at 125 KHz output data rate High DC accuracy 24 Bits No Missing Codes (NMC) Integral Non Linearity 15 ppm Low temperature drift Offset Drift ±25 nV/°C On Chip Low pass FIR filter Linear Phase Response Passband Ripple: ±0.
005dB Stopband Attenuation: 1...


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