Overview
The AD9280ARSZRL is a high-performance, 8-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This monolithic, single-supply ADC features an on-chip sample-and-hold amplifier and voltage reference, making it suitable for a wide range of high-speed applications. The AD9280 uses a multistage differential pipeline architecture to achieve a sampling rate of 32 MSPS, ensuring no missing codes over the full operating temperature range of –40°C to +85°C.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8 bits |
| Sampling Rate | 32 MSPS |
| Supply Voltage Range | +2.7 V to +5.5 V |
| Power Dissipation | 95 mW (at 3 V supply) |
| Differential Nonlinearity | 0.2 LSB |
| Operating Temperature Range | –40°C to +85°C |
| Package Type | 28-Lead SSOP |
| Input Type | Single-ended or differential |
Key Features
- Pipelined multistage differential architecture for high sample rates with low power consumption.
- On-chip sample-and-hold amplifier and voltage reference.
- Adjustable on-chip voltage reference or external reference option.
- Single clock input for all internal conversion cycles.
- Three-state outputs and power-down (sleep) mode.
- Built-in clamp function for DC restore and out-of-range indicator.
- Pin-compatible with AD876-8 ADC.
Applications
The AD9280ARSZRL is designed for optimal performance in various applications, including:
- Imaging systems: Suitable for both multiplexed and single-channel inputs.
- Communications systems: Supports high-speed data conversion.
- Instrumentation: Ideal for applications requiring high accuracy and low power consumption.
Q & A
- What is the resolution of the AD9280ARSZRL ADC?
The AD9280ARSZRL has an 8-bit resolution.
- What is the maximum sampling rate of the AD9280ARSZRL?
The maximum sampling rate is 32 MSPS.
- What is the operating temperature range of the AD9280ARSZRL?
The operating temperature range is –40°C to +85°C.
- Can the AD9280ARSZRL operate with different supply voltages?
Yes, it can operate with supply voltages ranging from +2.7 V to +5.5 V.
- Does the AD9280ARSZRL have a power-down mode?
Yes, it has a power-down (sleep) mode to reduce power consumption.
- What type of input can the AD9280ARSZRL accept?
The AD9280ARSZRL can accept both single-ended and differential inputs.
- Is the AD9280ARSZRL pin-compatible with other ADCs?
Yes, it is pin-compatible with the AD876-8 ADC.
- Does the AD9280ARSZRL have an on-chip voltage reference?
Yes, it has an adjustable on-chip voltage reference, and an external reference can also be used.
- What is the purpose of the built-in clamp function in the AD9280ARSZRL?
The built-in clamp function is used for DC restore and to shift AC-coupled input signals to a predetermined level.
- Does the AD9280ARSZRL have an out-of-range indicator?
Yes, it has an out-of-range indicator (OTR) to signal overflow conditions.
