LTC6910

PRODUCTION

Digitally Controlled Programmable Gain Amplifiers in SOT-23

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Overview

  • 3-Bit Digital Gain Control in Three Gain-Code Options
  • Rail-to-Rail Input Range
  • Rail-to-Rail Output Swing
  • Single or Dual Supply: 2.7V to 10.5V Total
  • 11MHz Gain Bandwidth Product
  • Input Noise Down to 8nV/√Hz
  • System Dynamic Range to 120dB
  • Input Offset Voltage: 1.5mV
  • 8-Pin Low Profile (1mm) SOT-23 (ThinSOT) Package

The LTC6910 family are low noise digitally programmable gain amplifiers (PGAs) that are easy to use and occupy very little PC board space. The inverting gain is adjustable using a 3-bit digital input to select gains of 0, 1, 2, 5, 10, 20, 50 and 100V/V in the LTC6910-1; 0, 1, 2, 4, 8, 16, 32 and 64V/V in the LTC6910-2; and 0, 1, 2, 3, 4, 5,6 and 7V/V in the LTC6910-3.

The LTC6910-Xs are inverting amplifiers with rail-to-rail output. When operated with unity gain, they will also process rail-to-rail input signals. A half-supply reference generated internally at the AGND pin supports single power supply applications. Operating from single or split supplies from 2.7V to 10.5V, the LTC6910-X family is offered in an 8-lead SOT-23 package.

Applications

  • Data Acquisition Systems
  • Dynamic Gain Changing
  • Automatic Ranging Circuits
  • Automatic Gain Control

LTC6910
Digitally Controlled Programmable Gain Amplifiers in SOT-23
Single Supply Programmable Amplifier Frequency Response (LTC6910-1) Product Package 1
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Matched Resistors & Transistors 1
LT5400 RECOMMENDED FOR NEW DESIGNS Quad Matched Resistor Network
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • LTC6910-1
  • LTC6910-2
  • LTC6910-3
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC566A-C

LTC6910-3CTS8 | Digitally Controlled Programmable-Gain Amplifier

Product Details

DC566A-C: Demo Board for the LTC6910 Digitally Controlled Programmable Gain Amplifiers in SOT-23.


 


eval board
DC566A-B

LTC6910-2CTS8 | Digitally Controlled Programmable-Gain Amplifier

Product Details

DC566A-B: Demo Board for the LTC6910 Digitally Controlled Programmable Gain Amplifiers in SOT-23.


 


eval board
DC566A-A

LTC6910-1CTS8 | Digitally Controlled Programmable-Gain Amplifier

Product Details

DC566A-A: Demo Board for the LTC6910 Digitally Controlled Programmable Gain Amplifiers in SOT-23.


 


DC566A-C
LTC6910-3CTS8 | Digitally Controlled Programmable-Gain Amplifier
DC566A-A - Schematic
DC566A-B
LTC6910-2CTS8 | Digitally Controlled Programmable-Gain Amplifier
DC566A-A - Schematic
DC566A-A
LTC6910-1CTS8 | Digitally Controlled Programmable-Gain Amplifier
DC566A-A - Schematic

Reference Designs

Figure 1. CN0582 Simplified System Block Diagram
CN0582 Circuits from the lab

USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System

Features and Benefits

  • 4-Channels of Analog Input
  • IEPE, 4-20mA Sensor Compatible
  • Frequency Generator Output

Part Used


Design & Integration Tools


Videos

  • lazy blur
    VIDEO · 2023-03-07 01:00
    CN0582: USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System​
CN0582
USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System
Figure 1. CN0582 Simplified System Block Diagram
EVAL-CN0582-USBZ
EVAL-CN0582-USBZ - Top View
EVAL-CN0582-USBZ - Bottom View

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