- Manufacturer Part Number : LTC1426
- Manufacturer : AD
- Description : Micropower Dual 6-Bit PWM DAC
- Series : LTC1426
- Reference Price : USD 2.8
- Our Price : We have a better price, contact us by email
- Product Type : Precision D/A Converters
- Function : Voltage Output D/A Converters
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LTC1426
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC1426 is a dual micropower 6-bit PWM DAC featuring versatile PWM outputs and a flexible pushbutton compatible digital interface. The DAC outputs provide a PWM signal that swings from 0V to VREF, allowing the full-scale output to be varied by adjusting the voltage at VREF. The PWM output frequency is typically 5kHz, easing output filtering requirements. VCC supply current is typically 50µA and drops to 0.2µA in shutdown.
The LTC1426 can be controlled using one of two interface modes: pushbutton and pulse. The LTC1426 automatically configures itself into the appropriate mode at start-up by monitoring the state of the CLK pins. In pushbutton mode, the CLK pins can be directly connected to external pushbuttons to control the DAC output. In pulse mode, the CLK pins can be connected to CMOS compatible logic. The DAC outputs initially power up at half scale and the contents of the internal DAC registers are retained in shutdown.
The LTC1426 is available in 8-pin MSOP and SO packages.
Applications
- LCD Contrast and Backlight Brightness Control
- Power Supply Voltage Adjustment
- Battery Charger Voltage and Current Adjustment
- GaAs FET Bias Adjustment
- Trimmer Pot Elimination
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.