Overview
The AD9865BCP, produced by Analog Devices Inc., is a mixed-signal front end (MxFE) integrated circuit designed for transceiver applications. It supports both transmit (Tx) and receive (Rx) path functionality with data rates up to 80 million samples per second (MSPS). This IC is particularly suited for half- and full-duplex applications due to its flexible digital interface, power-saving modes, and high Tx-to-Rx isolation. The AD9865BCP is ideal for use in broadband modems and other communication systems that require high-performance, low-power solutions.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| DAC Update Rate | 200 | MSPS | ||
| A/D Converter Sampling Rate | 80 | MSPS | ||
| D/A Converter Resolution | 10-bit | |||
| A/D Converter Resolution | 10-bit | |||
| Line Driver Output Power | 23 dBm | |||
| Gain Control Range | 19.5 dB | |||
| Supply Voltage | 3.0 | 3.3 | 3.6 | V |
| Total Supply Current (Full-Duplex) | 406 | 475 | mA | |
| Analog Supply Current (Full-Duplex) | 311 | 342 | mA | |
| Digital Supply Current (Full-Duplex) | 95 | 133 | mA |
Key Features
- Flexible digital interface supporting half- and full-duplex data transfers.
- Integrated 10-bit D/A converter with 200 MSPS update rate and 2×/4× interpolation filter.
- Integrated 10-bit, 80 MSPS A/D converter.
- Integrated 23 dBm line driver with 19.5 dB gain control.
- Power-saving modes to reduce power consumption of individual functional blocks or power down unused blocks in half-duplex applications.
- Serial port interface (SPI) for software programming of various functional blocks.
- On-chip PLL clock multiplier for flexible clocking options.
- High Tx-to-Rx isolation, making it suitable for both half- and full-duplex applications.
Applications
- Broadband modems.
- Wireless local area networks (WLAN) and wireless wide area networks (WWAN).
- Software-defined radio systems.
- Radar systems.
- Test and measurement equipment.
Q & A
- What is the maximum sampling rate of the AD9865BCP's A/D converter?
The maximum sampling rate of the A/D converter is 80 MSPS.
- What is the resolution of the D/A and A/D converters in the AD9865BCP?
Both the D/A and A/D converters have a resolution of 10 bits.
- What is the output power of the integrated line driver in the AD9865BCP?
The integrated line driver has an output power of 23 dBm with a gain control range of 19.5 dB.
- Does the AD9865BCP support power-saving modes?
- What type of interface does the AD9865BCP use for software programming?
The AD9865BCP uses a serial port interface (SPI) for software programming of various functional blocks.
- What is the typical supply voltage for the AD9865BCP?
The typical supply voltage is 3.3 V, with a range of 3.0 V to 3.6 V.
- What is the total supply current in full-duplex operation?
The total supply current in full-duplex operation is typically 475 mA.
- Can the AD9865BCP be used in half-duplex applications?
- What is the purpose of the on-chip PLL clock multiplier in the AD9865BCP?
The on-chip PLL clock multiplier provides flexible clocking options for the device.
- What are some common applications of the AD9865BCP?
