Overview
The AD9865BCPZRL is a mixed-signal front end (MxFE) integrated circuit designed by Analog Devices Inc. for transceiver applications. It supports both transmit (Tx) and receive (Rx) path functionalities, making it suitable for half- and full-duplex operations. The device is particularly optimized for broadband modem applications, offering a flexible digital interface and power-saving modes to reduce power consumption. The AD9865BCPZRL integrates various functional blocks, including a 10-bit analog-to-digital converter (ADC), a 10-bit digital-to-analog converter (DAC), and a programmable gain amplifier (PGA), along with a low-pass filter (LPF) and a line driver.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| 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 |
| ADC Resolution | - | 10-bit | - | - |
| ADC Sample Rate | - | 80 MSPS | - | - |
| DAC Resolution | - | 10-bit | - | - |
| DAC Update Rate | - | 200 MSPS | - | - |
| Line Driver Gain Control | - | 19.5 dB | - | - |
Key Features
- Low-cost 3.3 V CMOS MxFET for broadband modems
- 10-bit ADC and DAC converters
- 2×/4× interpolation filter
- Integrated 23 dBm line driver with 19.5 dB gain control
- Flexible digital interface supporting half- and full-duplex data transfers
- Power-saving modes to reduce power consumption of individual functional blocks or power down unused blocks
- Serial port interface (SPI) for software programming of functional blocks
- On-chip PLL clock multiplier
- High Tx-to-Rx isolation
Applications
- Broadband modems
- Transceiver applications requiring Tx and Rx path functionality
- Half- and full-duplex communication systems
- Wireless and wired communication infrastructure
- High-speed data conversion and transmission systems
Q & A
- What is the primary function of the AD9865BCPZRL?
The AD9865BCPZRL is a mixed-signal front end (MxFE) IC designed for transceiver applications, supporting both transmit and receive path functionalities.
- What are the key components integrated into the AD9865BCPZRL?
The device includes a 10-bit ADC, a 10-bit DAC, a programmable gain amplifier (PGA), a low-pass filter (LPF), and a line driver.
- What is the maximum sample rate of the ADC in the AD9865BCPZRL?
The ADC has a maximum sample rate of 80 MSPS.
- What is the update rate of the DAC in the AD9865BCPZRL?
The DAC has an update rate of 200 MSPS.
- Does the AD9865BCPZRL support power-saving modes?
- How is the AD9865BCPZRL programmed?
The device can be programmed via a serial port interface (SPI).
- What is the typical supply voltage for the AD9865BCPZRL?
The typical supply voltage is 3.3 V.
- What is the maximum total supply current in full-duplex mode?
The maximum total supply current in full-duplex mode is 475 mA.
- What are some common applications of the AD9865BCPZRL?
- What is the gain control range of the integrated line driver?
The integrated line driver has a gain control range of 19.5 dB.
