Overview
The AD9750ARZRL, produced by Analog Devices Inc., is a 10-bit resolution, high-performance digital-to-analog converter (DAC) that is part of the TxDAC series. This second-generation DAC is optimized for the transmit signal path of communication systems and offers exceptional AC and DC performance. It supports update rates up to 125 MSPS, making it suitable for wideband communication applications. The AD9750 is manufactured using an advanced CMOS process and features a segmented current source architecture combined with a proprietary switching technique to enhance dynamic performance.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | Bits | ||
| Update Rate | 125 | MSPS | ||
| Integral Linearity Error (INL) | -1.0 | ±0.1 | +1.0 | LSB |
| Differential Nonlinearity (DNL) | -0.5 | ±0.1 | +0.5 | LSB |
| Full-Scale Output Current | 2.0 | 20.0 | mA | |
| Output Compliance Range | 1.25 | V | ||
| Output Resistance | 100 kΩ | |||
| Reference Voltage | 1.14 | 1.20 | 1.26 | V |
| Operating Temperature Range | -40 | 85 | °C | |
| Power Dissipation | 190 mW | @ 5 V | ||
| Power-Down Mode | 20 mW | @ 5 V |
Key Features
- High-performance, 10-bit resolution DAC with an update rate of up to 125 MSPS.
- Segmented current source architecture and proprietary switching technique to reduce spurious components and enhance dynamic performance.
- Edge-triggered input latches and a 1.2 V temperature-compensated bandgap reference for a complete monolithic DAC solution.
- Differential current outputs supporting single-ended or differential applications with matching between the two current outputs for enhanced dynamic performance.
- Flexible single-supply operating range of 4.5 V to 5.5 V and low power dissipation, suitable for portable and low power applications).
- Power-down mode reducing standby power dissipation to approximately 20 mW).
- CMOS-compatible digital interface supporting +2.7 V and +5 V CMOS logic families).
Applications
- Wideband communication transmit channels, including direct IF basestations and wireless local loop systems).
- Digital radio links and direct digital synthesis (DDS)).
- Instrumentation applications requiring high-speed and high-performance DACs).
Q & A
- What is the resolution of the AD9750ARZRL DAC?
The AD9750ARZRL has a 10-bit resolution).
- What is the maximum update rate of the AD9750ARZRL?
The AD9750ARZRL supports update rates up to 125 MSPS).
- What are the typical power dissipation and power-down mode power consumption of the AD9750ARZRL?
The typical power dissipation is 190 mW at 5 V, and the power-down mode reduces the standby power to approximately 20 mW).
- What types of output configurations does the AD9750ARZRL support?
The AD9750ARZRL supports both single-ended and differential output configurations).
- What is the operating temperature range of the AD9750ARZRL?
The operating temperature range is -40°C to 85°C).
- Does the AD9750ARZRL have an internal reference voltage?
Yes, the AD9750ARZRL has an on-chip 1.2 V temperature-compensated bandgap reference).
- What are the package options for the AD9750ARZRL?
The AD9750ARZRL is available in 28-lead SOIC (Wide) and TSSOP packages).
- Is the AD9750ARZRL RoHS compliant?
Yes, the AD9750ARZRL is RoHS compliant).
- What are some common applications of the AD9750ARZRL?
Common applications include wideband communication, digital radio links, and instrumentation).
- Can the AD9750ARZRL be driven by an external reference voltage?
Yes, the AD9750ARZRL can be driven by the on-chip reference or by a variety of external reference voltages).
