Overview
The AD9144BCPZ is a quad, 16-bit, high dynamic range digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the TxDAC+ family and is designed to provide a maximum sample rate of 2.8 GSPS, making it suitable for high-speed and high-performance applications. The AD9144BCPZ is optimized for multicarrier generation up to the Nyquist frequency and is particularly useful in wireless communications and other wideband applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Number of D/A Converters | 4 | |
| Maximum Sample Rate | 2.8 GSPS | |
| Settling Time | 20 ns (Typ) | |
| Output Type | Current - Unbuffered | |
| Differential Output | Yes | |
| Data Interface | JESD204B | |
| Reference Type | Internal | |
| Voltage - Supply, Analog | 3.13 V ~ 3.47 V | |
| Voltage - Supply, Digital | 1.14 V ~ 1.26 V | |
| INL/DNL (LSB) | ±2, ±1 | |
| Package | 88-Lead LFCSP (12mm x 12mm w/ EP) |
Key Features
- Supports input data rate >1 GSPS
- Proprietary low spurious and distortion design
- Flexible 8-lane JESD204B interface
- Support for quad or dual DAC mode at 2.8 GSPS
- Multiple chip synchronization and fixed latency
- Selectable 1×, 2×, 4×, 8× interpolation filter
- Low power architecture: 1.6 W at 1.6 GSPS, 1.7 W at 2.0 GSPS
- Input signal power detection and emergency stop for downstream analog circuitry protection
- Transmit enable function for extra power saving
- High performance, low noise phase-locked loop (PLL) clock multiplier
- Digital inverse sinc filter
Applications
- Wireless communications
- 3G/4G W-CDMA base stations
- Wideband repeaters
- Software defined radios
- Wideband communications
- Point-to-point and local multipoint distribution service (LMDS) and multichannel multipoint distribution service (MMDS)
- Transmit diversity, multiple input/multiple output (MIMO)
- Instrumentation and automated test equipment
Q & A
- What is the maximum sample rate of the AD9144BCPZ?
The maximum sample rate of the AD9144BCPZ is 2.8 GSPS.
- How many D/A converters does the AD9144BCPZ have?
The AD9144BCPZ has 4 D/A converters.
- What is the data interface used by the AD9144BCPZ?
The AD9144BCPZ uses the JESD204B data interface.
- What is the typical settling time of the AD9144BCPZ?
The typical settling time of the AD9144BCPZ is 20 ns.
- What are the key applications of the AD9144BCPZ?
The AD9144BCPZ is used in wireless communications, 3G/4G W-CDMA base stations, wideband repeaters, software defined radios, and more.
- What is the power consumption of the AD9144BCPZ at different sample rates?
The AD9144BCPZ consumes 1.6 W at 1.6 GSPS and 1.7 W at 2.0 GSPS.
- Does the AD9144BCPZ support multiple chip synchronization?
Yes, the AD9144BCPZ supports multiple chip synchronization.
- What type of output does the AD9144BCPZ provide?
The AD9144BCPZ provides current - unbuffered output.
- Is the AD9144BCPZ RoHS compliant?
Yes, the AD9144BCPZ is RoHS compliant.
- What is the package type of the AD9144BCPZ?
The AD9144BCPZ is packaged in an 88-Lead LFCSP (12mm x 12mm w/ EP).
