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LTC1968

Features: High Linearity: 0.02% Linearity Allows Simple System Calibration Wide Input Bandwidth: Bandwidth to 1% Additional Gain Error: 500kHz Bandwidth to 0.1% Additional Gain Error: 150kHz 3dB Bandwidth Independent of Input Voltage Amplitude No-Hassle Simplicity: True RMS-DC Conversion with Onl...

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LTC1968: Features: High Linearity: 0.02% Linearity Allows Simple System Calibration Wide Input Bandwidth: Bandwidth to 1% Additional Gain Error: 500kHz Bandwidth to 0.1% Additional Gain Error: 150kHz 3dB Ba...

LTC1968 Data Sheet

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Part Number:
LTC1968
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

High Linearity:
    0.02% Linearity Allows Simple System Calibration
Wide Input Bandwidth:
    Bandwidth to 1% Additional Gain Error: 500kHz
    Bandwidth to 0.1% Additional Gain Error: 150kHz
    3dB Bandwidth Independent of Input Voltage Amplitude
No-Hassle Simplicity:
    True RMS-DC Conversion with Only One External Capacitor Delta Sigma Conversion Technology
Ultralow Shutdown Current: 0.1µA
Flexible Inputs:
    Differential or Single Ended Rail-to-Rail Common Mode Voltage Range Up to 1VPEAK Differential Voltage
Flexible Output:
    Rail-to-Rail Output Separate Output Reference Pin Allows Level Shifting
Small Size:
    Space Saving 8-Pin MSOP Package


Application

True RMS Digital Multimeters and Panel Meters
True RMS AC + DC Measurements


Pinout

Connection Diagram


Specifications

Supply Voltage
V+ to GND ............................................................. 6V
Input Currents (Note 2) ................................ ±10mA
Output Current (Note 3) ............................... ±10mA
ENABLE Voltage ..................................... 0.3V to 6V
OUT RTN Voltage.................................... 0.3V to V+
Operating Temperature Range (Note 4)
LTC1968C/LTC1968I ......................40°C to 85°C
Specified Temperature Range (Note 5)
LTC1968C/LTC1968I ......................40°C to 85°C
Maximum Junction Temperature ................... 150°C
Storage Temperature Range ..... 65°C to 150°C
Lead Temperature (Soldering, 10 sec)......... 300°C


Description

The LTC®1968 is a true RMS-to-DC converter that uses an innovative delta-sigma computational technique. The benefits of the LTC1968 proprietary architecture, when compared to conventional log-antilog RMS-to-DC converters, are higher linearity and accuracy, bandwidth independent of amplitude and improved temperature behavior.

The LTC1968 operates with single-ended or differential input signals and accurately supports crest factors up to 4.

Common mode input range is rail-to-rail. Differential input range is 1VPEAK, and offers unprecedented linearity. The LTC1968 allows hassle-free system calibration at any input voltage.

The device has a rail-to-rail output with a separate output reference pin providing flexible level shifting; it operates on a single power supply from 4.5V to 5.5V. A low power shutdown mode reduces supply current to 0.1µA.

The LTC1968 is packaged in the space-saving MSOP package, which is ideal for portable applications.




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