Key facts
- Brand
- Linear Technology
- Model
- LTC1966
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-06-05
Start here

Linear Technology LTC1966 Autoranging True RMS Converter Design Note 339
This document describes a design application for the LTC1966 true RMS-to-DC converter that utilizes an autoranging function. By adding an external programmable gain amplifier (LTC6910-2) and control logic, the circuit expands the input dynamic range from 50dB to 80dB.
Read onlineLinear Technology LTC1966 specifications
| Linearity Error (Typical) | 0.02% |
|---|---|
| Gain Error (Typical) | 0.1% |
| Supply Voltage (Min) | 4.5V |
Source: LINEAR AN106-1 handbook
All Linear Technology LTC1966 documents by type
How to use the product for one specific task, with worked examples.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the input signal dynamic range of the autoranging converter shown in Figure 1?
The circuit has an input signal dynamic range of 80dB.
From: Linear Technology LTC1966 Autoranging True RMS Converter Design Note 339
What are the threshold levels set for the window comparator?
The thresholds are set to 9.5mV and 1.5V.
From: Linear Technology LTC1966 Autoranging True RMS Converter Design Note 339
What is the accuracy of the RMS converters at low frequencies?
Low frequency accuracy, including linearity and gain error, is inside 0.5%.
From: LINEAR AN106-1 handbook
What is the accuracy of the LTC1966/LTC1967/LTC1968 device family at bandwidths up to 500kHz?
The low frequency accuracy, including linearity and gain error, is inside 0.5% with a 1% error.
From: LINEAR AN106-1 handbook
What is the shutdown current of the LTC1966?
The ultralow shutdown current is 0.1 mA.
From: Linear Technology LTC1966 Precision Micropower RMS-to-DC Converter Datasheet
What supply voltage range does the LTC1966 support?
It operates from 2.7 V to 5.5 V on a single supply or up to –5.5 V on a dual supply.
From: Linear Technology LTC1966 Precision Micropower RMS-to-DC Converter Datasheet
