20-Bit ADC Weigh Scale System
Reference design by: Analog Devices
![20-Bit ADC Weigh Scale System](https://download.datasheets.com/pdfs/2011/8/27/23/12/42/870/adi_/manual/cn0108_fig.1.jpg)
Circuit is a weigh scale system that uses the AD7781. The AD7781 is a pin programmable, low power, low drift 20-bit Delta-Sigma converter that includes a PGA and uses an internal clock
Reference designs
![LTC4412, Dual Battery Load Sharing With Automatic Switchover of Power from Batteries to Wall Adapter](https://download.datasheets.com/pdfs/2011/5/29/2/20/4/745/ltc_/manual/dn386f_fig.3.jpg)