Overview
The DAC3484IZAYR is a high-performance, quad-channel, 16-bit digital-to-analog converter (DAC) produced by Texas Instruments. This device is designed for applications requiring high dynamic range and low power consumption. With a sample rate of up to 1.25 GSPS, it is ideal for complex transmit architectures in various industries such as telecommunications, aerospace, and industrial control. The DAC3484IZAYR features advanced interpolation filters, independent complex mixers, and a high-performance clock multiplying PLL, making it a versatile and powerful component for demanding applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | DAC3484IZAYR |
| Package | NFBGA (ZAY) - 196 pins |
| Resolution (Bits) | 16 |
| Number of DAC Channels | 4 |
| Interface Type | Parallel LVDS |
| Sample/Update Rate (Msps) | 1250 |
| Interpolation | 1x, 2x, 4x, 8x, 16x |
| Power Consumption (Typ) (mW) | 1200 |
| SFDR (dB) | 82 |
| Architecture | Current Source |
| Operating Temperature Range (°C) | -40 to 85 |
| Reference Type | Internal |
Key Features
- Very Low Power Consumption: 1.27 W at 1.25 GSPS under full operating conditions.
- Multi-DAC Synchronization: Allows for the synchronization of multiple devices.
- Selectable Interpolation Filters: 2x, 4x, 8x, 16x with over 90 dB of stop-band attenuation.
- Independent Complex Mixers: Two independent fine mixers with 32-bit NCOs for flexible carrier placement.
- High Performance Clock Multiplying PLL: Low jitter clock multiplication without significant impact on dynamic range.
- Digital Quadrature Modulator Correction (QMC): Enables complete IQ compensation for gain, offset, phase, and group delay between channels.
- Digital Inverse Sinc Filter: Compensates for the sin(x)/x roll-off of the DAC.
- Flexible 16-Bit LVDS Input Data Bus: With on-chip termination and an 8-sample input FIFO.
- Data Pattern Checker and Parity Test: Eases the input interface and ensures data integrity.
- Differential Scalable Output: Output current range of 10 mA to 30 mA.
- Temperature Sensor: For monitoring the device temperature.
Applications
The DAC3484IZAYR is suitable for a variety of high-performance applications, including:
- Telecommunications: Base stations, radio heads, and other communication equipment requiring high dynamic range and low power consumption.
- Aerospace and Defense: Radar systems, electronic warfare, and other military communications.
- Industrial Control and Automation: High-speed data acquisition and control systems.
- Medical Imaging: MRI, CT scanners, and other medical imaging equipment.
- Test and Measurement: High-speed data acquisition systems and signal generators.
Q & A
- What is the sample rate of the DAC3484IZAYR?
The DAC3484IZAYR has a sample rate of up to 1.25 GSPS. - How many DAC channels does the DAC3484IZAYR have?
The DAC3484IZAYR is a quad-channel DAC. - What type of interface does the DAC3484IZAYR use?
The DAC3484IZAYR uses a parallel LVDS interface. - What are the available interpolation options for the DAC3484IZAYR?
The DAC3484IZAYR offers 1x, 2x, 4x, 8x, and 16x interpolation options. - What is the typical power consumption of the DAC3484IZAYR?
The typical power consumption is 1200 mW. - What is the operating temperature range of the DAC3484IZAYR?
The operating temperature range is -40°C to 85°C. - Does the DAC3484IZAYR support multi-DAC synchronization?
Yes, the DAC3484IZAYR supports multi-DAC synchronization. - What is the SFDR of the DAC3484IZAYR?
The SFDR is 82 dB. - What type of architecture does the DAC3484IZAYR use?
The DAC3484IZAYR uses a current source architecture. - Is the DAC3484IZAYR RoHS compliant?
Yes, the DAC3484IZAYR is RoHS compliant.
