Overview
The AD9762ARUZRL7 is a 12-bit, high-performance, low-power CMOS digital-to-analog converter (DAC) from Analog Devices Inc. It is part of the TxDAC series, which is optimized for the transmit signal path of communication systems. The AD9762 offers exceptional AC and DC performance, supporting update rates up to 125 MSPS. It features a flexible single-supply operating range of 2.7 V to 5.5 V, making it suitable for various applications, including portable and low-power systems.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 12 | Bits | ||
| Integral Linearity Error (INL) @ TA = +25°C | -2.5 | ±0.75 | +2.5 | LSB |
| Differential Nonlinearity (DNL) @ TA = +25°C | -1.5 | ±0.5 | +1.5 | LSB |
| Output Update Rate (fCLOCK) | 125 | MSPS | ||
| Output Settling Time (tST) (to 0.1%) | 35 | ns | ||
| Supply Voltages (AVDD, DVDD) | 2.7 | 5.0 | 5.5 | V |
| Analog Supply Current (IAVDD) | 25 | 30 | mA | |
| Digital Supply Current (IDVDD) | 1.5 | 2 | mA | |
| Power Dissipation @ 5 V, IOUTFS = 20 mA | 133 | 160 | mW | |
| Operating Temperature Range | -40 | +85 | °C | |
| Package Type | 28-Lead TSSOP |
Key Features
- 12-bit resolution with a maximum update rate of 125 MSPS.
- Flexible single-supply operation from 2.7 V to 5.5 V.
- Low power dissipation: 175 mW @ 5 V, 45 mW @ 3 V, and 25 mW in power-down mode.
- On-chip 1.20 V reference and control amplifier for full-scale current adjustment from 2 mA to 20 mA.
- Differential current outputs supporting single-ended or differential circuit topologies.
- Edge-triggered input latches and segmented current source architecture for enhanced dynamic performance.
- Available in 28-lead SOIC and TSSOP packages.
Applications
- Communication systems: basestations (single/multichannel applications), ADSL/HFC modems.
- Direct Digital Synthesis (DDS).
- Instrumentation.
- Portable and low-power applications.
Q & A
- What is the resolution of the AD9762ARUZRL7?
The AD9762ARUZRL7 has a 12-bit resolution.
- What is the maximum update rate of the AD9762ARUZRL7?
The maximum update rate is 125 MSPS.
- What is the operating voltage range of the AD9762ARUZRL7?
The operating voltage range is from 2.7 V to 5.5 V.
- What is the typical power dissipation of the AD9762ARUZRL7 at 5 V?
The typical power dissipation at 5 V is 160 mW.
- What types of packages are available for the AD9762ARUZRL7?
The AD9762ARUZRL7 is available in 28-lead SOIC and TSSOP packages.
- What is the full-scale current adjustment range of the AD9762ARUZRL7?
The full-scale current can be adjusted from 2 mA to 20 mA.
- Does the AD9762ARUZRL7 have an on-chip reference?
Yes, it has an on-chip 1.20 V reference.
- What is the output impedance of the AD9762ARUZRL7?
The output impedance is greater than 100 kΩ.
- What are some common applications of the AD9762ARUZRL7?
Common applications include communication systems, direct digital synthesis, and instrumentation.
- How does the power-down mode affect the power dissipation of the AD9762ARUZRL7?
In power-down mode, the power dissipation is reduced to approximately 25 mW.
