Overview
The AD9763ASTZRL, produced by Analog Devices Inc., is a 10-bit, high-speed, dual-port, 2-channel CMOS Digital-to-Analog Converter (DAC). This component integrates two high-quality TxDAC+ cores, a voltage reference, and digital interface circuitry into a compact 48-lead LQFP package. It is optimized for processing I and Q data in communications applications and offers exceptional AC and DC performance, supporting update rates of up to 125 MSPS.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 10-bit | |
| Update Rate | Up to 125 MSPS | |
| Output Settling Time | 35 ns (to 0.1%) | ns |
| Output Propagation Delay | 1 ns | ns |
| Full-Scale Current (IOUTFS) | 20 mA | mA |
| Gain Matching | 0.1% of full scale | |
| Offset Error | Better than 0.02% | |
| Supply Voltage | 3.3 V to 5 V | V |
| Power Dissipation | 380 mW @ 5 V | mW |
| Package Type | 48-lead LQFP (7mm x 7mm) |
Key Features
- Dual 10-bit, 125 MSPS DACs optimized for low distortion performance and flexible transmission of I and Q information.
- Exceptional AC and DC performance with excellent SFDR to Nyquist (@ 5 MHz output: 75 dBc).
- Fully independent or single-resistor gain control for setting the full-scale current (IOUTFS) of the two DACs.
- Dual-port or interleaved data interface with separate write inputs and clocks for each DAC port.
- On-chip 1.2 V temperature-compensated band gap voltage reference.
- Low power operation with 380 mW power dissipation at 5 V and a sleep mode for low power idle periods.
- Differential current output supporting single-ended or differential applications.
Applications
- Communications base stations
- Digital synthesis
- Quadrature modulation
- 3D ultrasound
Q & A
- What is the resolution of the AD9763ASTZRL DAC? The AD9763ASTZRL is a 10-bit DAC.
- What is the maximum update rate of the AD9763ASTZRL? The maximum update rate is up to 125 MSPS.
- How is the full-scale current (IOUTFS) of the DACs controlled? The full-scale current can be set independently using two external resistors or using a single external resistor.
- What is the power dissipation of the AD9763ASTZRL at 5 V? The power dissipation is 380 mW at 5 V.
- Does the AD9763ASTZRL have a sleep mode for low power operation? Yes, it has a sleep mode for low power idle periods.
- What type of package does the AD9763ASTZRL come in? It comes in a 48-lead LQFP package (7mm x 7mm).
- What is the supply voltage range for the AD9763ASTZRL? The supply voltage range is from 3.3 V to 5 V.
- What are the typical applications of the AD9763ASTZRL? Typical applications include communications base stations, digital synthesis, quadrature modulation, and 3D ultrasound.
- How does the AD9763ASTZRL handle I and Q data? It is optimized for processing I and Q data in communications applications and can interface to two separate data ports or a single interleaved high-speed data port.
- What is the gain matching between the two DACs? The gain matching is typically 0.1% of full scale.
