Overview
The AD9861BCPZ-80, produced by Analog Devices Inc., is a highly integrated transceiver designed for broadband applications. It features dual 10-bit analog-to-digital converters (ADCs) and dual 10-bit digital-to-analog converters (TxDACs), making it an ideal solution for high-performance, low-power, and compact communication systems. The device is part of the MxFE (Mixed-Signal Front End) family, optimized for the communications market.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ADC Resolution | 10-bit | |
| ADC Sampling Rate | 50 MSPS / 80 MSPS | |
| TxDAC Resolution | 10-bit | |
| TxDAC Update Rate | Up to 200 MSPS | |
| Interpolation Filter | 1×, 2×, or 4× | |
| Package Type | 64-lead LFCSP (9 mm × 9 mm footprint) | |
| Power Supply Current (Tx Path, 4× Interpolation, 200 MSPS) | 80 mA | |
| Power Supply Current (Rx Path, Digital, Half-Duplex) | 15 mA | |
| Input Logic High Voltage (VIH) | DRVDD – 0.7 V | V |
| Input Logic Low Voltage (VIL) | 0.4 V | V |
Key Features
- Receive path includes dual 10-bit ADCs with internal or external reference.
- Transmit path includes dual 10-bit TxDACs with programmable gain control and 1×, 2×, or 4× interpolation.
- Internal clock distribution block with a programmable phase-locked loop (PLL) and timing generation circuitry.
- Flexible 20-pin I/O data interface supporting various interleaved or noninterleaved data transfers.
- Independent Rx and Tx power-down control pins.
- Three configurable auxiliary converter pins for system level control or signal monitoring.
- Configurable through register programmability or mode pins.
- Supports SPI for more programmable options.
Applications
- Broadband access.
- Broadband LAN.
- Communications (modems).
Q & A
- What is the AD9861BCPZ-80?
The AD9861BCPZ-80 is a highly integrated transceiver from Analog Devices Inc., featuring dual 10-bit ADCs and TxDACs, designed for broadband applications. - What are the sampling rates of the ADCs?
The ADCs operate at sampling rates of 50 MSPS and 80 MSPS. - What are the update rates of the TxDACs?
The TxDACs can update at rates up to 200 MSPS. - What types of interpolation filters are available for the TxDACs?
The TxDACs include 1×, 2×, or 4× interpolation filters. - What is the package type of the AD9861BCPZ-80?
The device is packaged in a 64-lead LFCSP with a 9 mm × 9 mm footprint. - How is the device configured?
The device can be configured through register programmability or mode pins, and also supports SPI for additional programmable options. - What are the power supply current specifications for the Tx and Rx paths?
The Tx path with 4× interpolation at 200 MSPS consumes 80 mA, and the Rx path in digital half-duplex mode consumes 15 mA. - What are the typical applications of the AD9861BCPZ-80?
The device is typically used in broadband access, broadband LAN, and communication systems such as modems. - Does the AD9861BCPZ-80 support independent power-down control for Rx and Tx paths?
Yes, the device supports independent Rx and Tx power-down control pins. - What is the purpose of the auxiliary converter pins?
The three auxiliary converter pins are used to provide required system level control voltages or to monitor system signals.
