Products > Integrated Circuits (ICs) > Amplifier ICs > LT3469ETS8#TRMPBF
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Piezo Microactuator Driver 8-Pin TSOT-23 T/R

Manufacturer :
Analog Devices, Inc
Package/Case :
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RoHs Status:
Pb-free Halide free

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LT3469ETS8#TRMPBF Product Details

The LT3469ETS8#TRMPBF is a transconductance (gm) amplifier that can drive outputs up to 33V from a 5V or 12V supply. An internal switching regulator generates a boosted supply voltage for the gm amplifier. The amplifier can drive capacitive loads in the range of 5nF to 300nF. Slew rate is limited only by the maximum output current. The 35V output voltage capability of the switching regulator, along with the high supply voltage of the amplifier, combine to allow the wide output voltage range needed to drive a piezoceramic microactuator.

The LT3469ETS8#TRMPBF switching regulator switches at 1.3MHz, allowing the use of tiny external components. The output capacitor can be as small as 0.22µF, saving space and cost versus alternative solutions.

The LT3469ETS8#TRMPBF is available in a low profile ThinSOT™ package.


  • Amplifier
    • Current Limit: ±40mA Typical
    • Input Common Mode Range: 0V to 10V
    • Output Voltage Range: 1V to (VCC – 1V)
    • Differential Gain Stage with High Impedance Output
    • (gm Stage)
    • Quiescent Current (from VCC): 2mA
    • Unloaded Gain: 30,000 Typical
  • Switching Regulator
    • Generates VCC Up to 35V
    • Wide Operating Supply Range: 2.5V to 16V
    • High Switching Frequency: 1.3MHz
    • Internal Schottky Diode
    • Tiny External Components
    • Current Mode Switcher with Internal Compensation
    • Low Profile (1mm) SOT-23 Package


  • Piezo Speakers
  • Piezo Microactuators
  • Varactor Bias

LT3469ETS8#TRMPBF Pinout
(Picture: Pinout)

LT3469ETS8#TRMPBF Block Diagram
(Picture: Diagram)

Technical Parameters

Type Transconductance Package / Case SOT-23-8 Thin, TSOT-23-8
Applications Piezo Speakers, Microactuators Supplier Device Package TSOT-23-8
Mounting Type Surface Mount

LT3469ETS8#TRMPBF Documents

  • LT3469 Technical Documentation/Data sheet

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1.We provide 90 days warranty.

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You can use Jotrin's intelligent search engine, or filter by Switching Regulators ; Piezo Microactuator Driver category, or find it through Analog Devices, Inc Information page.
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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized...
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