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Panel Meters Overview

Industry's Smallest 3 1/2- and 4 1/2-Digit ADCs with LED or LCD Display Drivers These highly integrated 3.5- and 4.5-Digit Sigma Delta ADCs with on-chip triplexed LCD or LED display drivers represent a new family of panel meter products which replaces the aging panel meter ICs based on integrating ADCs. These new parts eliminate the requirement for the precision integrating and auto-zeroing capacitor. An on-chip oscillator, internal 2.048V reference (20ppm/°C typical) and charge pump completes the single-chip panel meter solution provides > 100dB of 50Hz/60Hz noise rejection, > 1G input impedance while consuming only 900µA (typ) using a single +2.7V to +5.25V supply.

New Product Announcements

3.5- and 4.5-Digit Panel-Meter ADCs Feature 4-20mA Current Output Industry's Smallest 128-Tap, Nonvolatile, Up/Down Digital Potentiometer in 2mm x 2mm microDFN Single-Ended, Current-Mode PWM Controller Is Pin Compatible with UCC28C43/UCC28C45 Series and Offers Better Performance Industry's Smallest Dual, 256-Tap Digital Potentiometers Fit in 3mm x 3mm TQFN Industry's Smallest I2C, 32-Tap, Nonvolatile, Linear Digital Potentiometers Fit in 3mm x 3mm SOT23 or TDFN Packages More...

Featured Information

Migrating from Integrating ADC Architectures to Sigma Delta

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Application Notes

App Note 4232: HFRD-34.0 4x4 DVI KVM Switch App Note 4101: Differentiating Digital Potentiometer Features App Note 4077: How to Interface the DS1862 to a Laser Driver with an Integrated APC Loop App Note 4051: Using an Analog Voltage to Control a Digital Potentiometer App Note 4021: MAX6956 Programming Guide More...