Overview
The AD9480ASUZ-250 is an 8-bit monolithic analog-to-digital converter (ADC) designed by Analog Devices Inc. This high-speed, low-power ADC is optimized for small size and ease of use. It operates at a conversion rate of 250 MSPS, offering excellent linearity and dynamic performance across its full operating range. Fabricated on an advanced BiCMOS process, the AD9480 is suitable for various high-performance applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | - | - | 8 Bits | - |
| Supply Voltage | 3.0 | 3.3 | 3.6 | V |
| Power Dissipation | - | - | 590 mW | - |
| Analog Input Range | - | - | 1 V p-p | - |
| Internal Reference Voltage | 0.97 | 1.0 | 1.03 | V |
| Differential Nonlinearity (DNL) | -0.5 | ±0.25 | +0.5 | LSB |
| Integral Nonlinearity (INL) | -0.9 | ±0.26 | +0.9 | LSB |
| Operating Temperature Range | -40 | - | +85 | °C |
| Package Type | - | - | 44-Lead TQFP (10mm x 10mm) | - |
Key Features
- Superior Linearity: The AD9480 features a differential nonlinearity (DNL) of ±0.25 LSB and an integral nonlinearity (INL) of ±0.5 LSB, making it suitable for instrumentation and measurement applications.
- Single +3.3 V Supply Operation: The ADC operates with a single +3.3 V power supply, simplifying system design.
- Low Power Consumption: The device has a power dissipation of 590 mW at 250 MSPS and a power-down mode that reduces consumption to 15 mW.
- Internal Reference and Track-and-Hold Circuit: No external reference or driver components are required for many applications.
- LVDS Outputs: The digital outputs are LVDS (ANSI 644) compatible, which simplifies timing and improves noise performance.
- Single-Ended or Differential Analog Inputs: The ADC supports both single-ended and differential analog input configurations.
- Clock Duty Cycle Stabilizer: Ensures stable clock operation.
Applications
- Digital Oscilloscopes: High-speed data acquisition for oscilloscope applications.
- Instrumentation and Measurement: Precise measurement and data conversion in various instrumentation applications.
- Communications:
- Point-to-point radios
- Predistortion loops
Q & A
- What is the conversion rate of the AD9480ASUZ-250?
The AD9480ASUZ-250 operates at a conversion rate of 250 MSPS.
- What is the power dissipation of the AD9480ASUZ-250 at full operation?
The power dissipation is 590 mW at 250 MSPS.
- What type of analog inputs does the AD9480ASUZ-250 support?
The ADC supports both single-ended and differential analog inputs.
- What is the output format of the digital outputs?
The digital outputs are LVDS (ANSI 644) compatible and can be in twos complement or binary format.
- Does the AD9480ASUZ-250 require an external reference?
No, the AD9480ASUZ-250 includes an internal reference, eliminating the need for external reference components in many applications.
- What is the operating temperature range of the AD9480ASUZ-250?
The operating temperature range is -40°C to +85°C.
- What package type is the AD9480ASUZ-250 available in?
The device is available in a 44-Lead TQFP (10mm x 10mm) package.
- How does the power-down mode affect power consumption?
The power-down mode reduces the total power consumption to 15 mW.
- What are some typical applications of the AD9480ASUZ-250?
Typical applications include digital oscilloscopes, instrumentation and measurement, and communications such as point-to-point radios and predistortion loops.
- What is the significance of the LVDS outputs in the AD9480ASUZ-250?
The LVDS outputs simplify timing and improve noise performance, enhancing overall system reliability and performance.
