Overview
The AD9129BBCZ is a high-performance, 14-bit RF digital-to-analog converter (DAC) produced by Analog Devices Inc. This component is part of the AD9119/AD9129 family, which supports data rates up to 2.85 GSPS and features a quad-switch architecture that enables dual-edge clocking operation. This architecture effectively increases the DAC update rate to 5.7 GSPS when configured for Mix-Mode™ or 2× interpolation. The AD9129 is designed for applications requiring high dynamic range and bandwidth, making it suitable for RF signal synthesis up to 4.2 GHz and multicarrier generation in various communication and broadcast systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Conversion Rate | Up to 5.7 GSPS |
| Supply Voltage (Analog) | +1.8 V, -1.5 V |
| Output Current Range | 9.5 mA to 34.4 mA |
| Package Type | 160-ball Chip Scale Package Ball Grid Array (CSPBGA) |
| Package Dimensions | 12mm x 12mm x 1.4mm |
| INL/DNL (LSB) | 1.4, 1.1 |
| Analog Output Voltage (Max) | 2.5 V |
| Power Dissipation | 1.3 W |
| Interface | Dual-port, source synchronous LVDS |
| Process Technology | 0.18 μm CMOS |
Key Features
- High dynamic range and signal reconstruction bandwidth supporting RF signal synthesis up to 4.2 GHz.
- Dual-port interface with double data rate (DDR) LVDS data receivers, supporting a maximum conversion rate of 2850 MSPS.
- Quad-switch architecture enabling dual-edge clocking operation and 2× interpolation for increased DAC update rates.
- Bypassable 2× interpolation filters to simplify post-reconstruction filtering.
- On-chip delay locked loops (DLLs) for optimizing timing between different clock domains.
- Serial peripheral interface (SPI) for configuration and status monitoring.
- Differential frame/parity bit for monitoring interface integrity.
Applications
- RF signal synthesis and transmission systems.
- Multicarrier generation for CATV infrastructure applications, supporting up to 158 contiguous carriers.
- Broadcast and communication systems requiring high dynamic range and bandwidth.
- Direct RF synthesis in the second and third Nyquist zones.
Q & A
- What is the maximum conversion rate of the AD9129BBCZ?
The AD9129BBCZ supports a maximum conversion rate of up to 5.7 GSPS.
- What is the resolution of the AD9129BBCZ?
The AD9129BBCZ is a 14-bit DAC.
- What type of interface does the AD9129BBCZ use?
The AD9129BBCZ uses a dual-port, source synchronous LVDS interface.
- What is the power dissipation of the AD9129BBCZ?
The power dissipation of the AD9129BBCZ is 1.3 W.
- What is the package type of the AD9129BBCZ?
The AD9129BBCZ is packaged in a 160-ball Chip Scale Package Ball Grid Array (CSPBGA).
- What are the supply voltage requirements for the AD9129BBCZ?
The AD9129BBCZ operates from +1.8 V and -1.5 V supplies.
- What is the maximum analog output voltage of the AD9129BBCZ?
The maximum analog output voltage of the AD9129BBCZ is 2.5 V.
- What is the INL/DNL specification for the AD9129BBCZ?
The INL/DNL specification for the AD9129BBCZ is 1.4, 1.1 LSB.
- What process technology is used to manufacture the AD9129BBCZ?
The AD9129BBCZ is manufactured on a 0.18 μm CMOS process.
- What are some common applications of the AD9129BBCZ?
The AD9129BBCZ is commonly used in RF signal synthesis, multicarrier generation for CATV infrastructure, and other high-bandwidth communication systems.
