Overview
The AD9760AR50, produced by Analog Devices Inc., is a high-performance, low-power CMOS digital-to-analog converter (DAC) with a 10-bit resolution. It is part of the TxDAC series, known for its excellent dynamic performance and low power consumption. The AD9760AR50 is designed to operate at update rates up to 125 MSPS, making it suitable for a variety of high-speed applications. The device features a segmented current source architecture combined with a proprietary switching technique to enhance dynamic performance and reduce spurious components. It supports both single-ended and differential output configurations and is compatible with +3 V and +5 V CMOS logic families.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | Bits | ||
| Maximum Output Update Rate (fCLOCK) | 125 | MSPS | ||
| Settling Time (tST) (to 0.1%) | 35 | ns | ||
| Output Propagation Delay (tPD) | 1 | ns | ||
| Glitch Impulse | 5 | pV-s | ||
| Output Rise Time (10% to 90%) | 2.5 | ns | ||
| Output Fall Time (10% to 90%) | 2.5 | ns | ||
| Output Noise (IOUTFS = 20 mA) | 50 | pA/√Hz | ||
| Integral Linearity Error (INL) | -1.0 | ±0.5 | +1.0 | LSB |
| Differential Nonlinearity (DNL) | -0.5 | ±0.25 | +0.5 | LSB |
| Supply Voltage Range | 2.7 | 5.5 | V | |
| Operating Temperature | -40 | 85 | °C | |
| Package | 28-Lead SOIC and TSSOP |
Key Features
- High-performance, low-power CMOS DAC with 10-bit resolution.
- Maximum output update rate of 125 MSPS.
- Segmented current source architecture with proprietary switching technique for enhanced dynamic performance.
- Differential current outputs supporting single-ended or differential applications.
- Edge-triggered input latches and a 1.20 V temperature-compensated bandgap reference.
- Flexible supply options supporting +3 V and +5 V CMOS logic families.
- Low power dissipation: 175 mW @ 5 V and 45 mW @ 3 V in normal operation, and 25 mW @ 5 V in power-down mode.
- Wide full-scale current adjustment span of 2 mA to 20 mA.
Applications
- Communication transmit channels: basestations, set-top boxes.
- Digital radio links.
- Direct digital synthesis (DDS).
- Instrumentation.
Q & A
- What is the resolution of the AD9760AR50 DAC?
The AD9760AR50 has a 10-bit resolution.
- What is the maximum output update rate of the AD9760AR50?
The maximum output update rate is 125 MSPS.
- What type of output does the AD9760AR50 provide?
The AD9760AR50 provides differential current outputs.
- What is the supply voltage range for the AD9760AR50?
The supply voltage range is from 2.7 V to 5.5 V.
- What are the typical power dissipation values for the AD9760AR50?
The typical power dissipation is 175 mW @ 5 V and 45 mW @ 3 V in normal operation, and 25 mW @ 5 V in power-down mode.
- What is the operating temperature range for the AD9760AR50?
The operating temperature range is from -40°C to 85°C.
- What types of packages are available for the AD9760AR50?
The AD9760AR50 is available in 28-Lead SOIC and TSSOP packages.
- What are some common applications for the AD9760AR50?
Common applications include communication transmit channels, digital radio links, direct digital synthesis (DDS), and instrumentation.
- Does the AD9760AR50 support both single-ended and differential output configurations?
Yes, the AD9760AR50 supports both single-ended and differential output configurations.
- What is the settling time for the AD9760AR50?
The settling time (tST) to 0.1% is typically 35 ns.
