Overview
The AD9148BBCZ is a quad, 16-bit, high dynamic range digital-to-analog converter (DAC) designed by Analog Devices Inc. This device is optimized for direct conversion transmit applications and offers a sample rate of 1000 MSPS. It is particularly suited for wireless infrastructure and high-performance signal synthesis.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Sample Rate | 1000 | MSPS |
| Resolution | 16-bit | |
| Full-Scale Output Current Range | 8.7 mA to 31.7 mA | mA |
| Supply Voltages | 1.8 V, 3.3 V | V |
| Total Power Consumption (at max sample rate) | 3 W | W |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 196-ball CSP_BGA (12mm x 12mm x 1.3mm) | |
| Digital Interface | LVDS, supports 32- or 16-bit bus width | |
| Serial Peripheral Interface (SPI) | Maximum Clock Rate: 40 MHz | MHz |
Key Features
- Low noise and intermodulation distortion (IMD) for high-quality signal synthesis from baseband to high intermediate frequencies.
- A proprietary DAC output switching technique enhances dynamic performance.
- Current outputs easily configured for various single-ended or differential circuit topologies.
- LVDS data input interface includes FIFO to ease input timing.
- On-chip fine complex NCO allows carrier placement anywhere in DAC bandwidth.
- High performance, low noise PLL clock multiplier.
- Multiple chip synchronization interface.
- Programmable digital inverse sinc filter.
- Auxiliary DACs for offset control and gain DACs for I and Q gain matching.
- Programmable I and Q phase compensation and digital gain control.
Applications
- Wireless infrastructure: LTE, TD-SCDMA, WiMAX, W-CDMA, CDMA2000, GSM.
- MIMO/transmit diversity.
- Digital high or low IF synthesis.
Q & A
- What is the maximum sample rate of the AD9148BBCZ?
The maximum sample rate of the AD9148BBCZ is 1000 MSPS.
- What is the resolution of the AD9148BBCZ?
The resolution of the AD9148BBCZ is 16-bit.
- What is the range of full-scale output current for the AD9148BBCZ?
The full-scale output current range is from 8.7 mA to 31.7 mA.
- What are the supply voltages for the AD9148BBCZ?
The supply voltages are 1.8 V and 3.3 V.
- What is the total power consumption of the AD9148BBCZ at the maximum sample rate?
The total power consumption at the maximum sample rate is 3 W.
- What is the operating temperature range of the AD9148BBCZ?
The operating temperature range is from -40°C to +85°C.
- What type of package does the AD9148BBCZ come in?
The AD9148BBCZ comes in a 196-ball CSP_BGA package (12mm x 12mm x 1.3mm).
- What type of digital interface does the AD9148BBCZ support?
The AD9148BBCZ supports an LVDS digital interface with 32- or 16-bit bus width.
- What is the maximum clock rate of the SPI interface for the AD9148BBCZ?
The maximum clock rate of the SPI interface is 40 MHz.
- What are some key applications of the AD9148BBCZ?
The AD9148BBCZ is used in wireless infrastructure, MIMO/transmit diversity, and digital high or low IF synthesis.
