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MAXIM INTEGRATED / ANALOG DEVICES MAX840ISA GaAsFET Bias Power Supply
The MAX840ISA is a low-noise, inverting charge-pump power supply designed for biasing GaAsFETs in cellular transceivers and wireless modules. It provides a regulated -2V output from input voltages between 2.5V and 10V, with an output current of 4mA. Features include minimal output ripple under 1mVp-p, operation with small 0.22uF capacitors, and a compact 8-pin SO package. Ideal for biasing power amplifiers, LCD contrast control, and regulated negative power supplies, it ensures reliable, noise-free operation essential for high-performance RF applications.
MAXIM INTEGRATED / ANALOG DEVICES MAX840ISA GaAsFET Bias Power Supply Specifications:
- Input Voltage Range: 2.5V to 10V
- Output Voltage: Fixed -2V (or adjustable via external resistor divider)
- Maximum Output Current: 4mA
- Output Voltage Ripple: Less than 1mVp-p
- Charge Pump Switching Frequency: 100kHz (normal), 20kHz (shutdown)
- Capacitors: C1, C2, C3 of 0.22uF or higher ESR, C4 of 10uF
- Package: 8-pin SOIC
- Shutdown Current: 1μA max
- Operating Temperature Range: -40°C to +85°C
- Linear regulator reduces ripple noise, ensuring stable -2V bias
- Designed for RF biasing, LCD contrast, and negative power supplies
Buy the Buy Maxim MAX840ISA Part Number MAX840ISA Online
Purchase the Maxim MAX840ISA online today and ensure your cellular and RF systems operate with high precision and low noise. This low-noise, inverting charge pump provides a stable -2V output ideal for biasing GaAsFETs in portable wireless devices, transceivers, and power amplifiers. Its compact 8-pin SO package, ability to operate with small capacitors, and ripple noise below 1mVp-p make it perfect for space-constrained designs. Order now to enhance your circuit's performance with a trusted, efficient power solution.
Buy Maxim MAX840ISA now and experience unmatched reliability and noise-free GaAsFET biasing for cellular and wireless applications.
Frequently Asked Questions
Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX840ISA?
You can click on the BUY or RFQ button to purchase MAX840ISA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.
How do I troubleshoot issues or seek technical support for part MAX840ISA?
You can download the MAX840ISA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.
Who is the manufacturer of MAX840ISA?
MAXIM INTEGRATED / ANALOG DEVICES