Overview
The AD9269BCPZ-80 is a high-performance, 16-bit, 80 MSPS (mega-samples per second) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for applications requiring high-speed and high-resolution data conversion. The AD9269 features a pipelined architecture, which allows for efficient sampling and conversion of analog signals into digital data. It operates with a 1.8V analog supply and a separate 1.8V digital output driver supply, enabling flexible output voltage swing adjustment.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sample Rate | Up to 80 MSPS |
| Analog Supply Voltage | 1.8 V |
| Digital Output Driver Supply Voltage | 1.8 V |
| Input Range | 2 V p-p differential input |
| SNR (Signal-to-Noise Ratio) | 76.8 dB (77.8 dBFS) |
| SFDR (Spurious-Free Dynamic Range) | 94.3 dBc |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 64-Lead Lead Frame Chip Scale Package (LFCSP) |
Key Features
- Pipelined architecture with flash ADC stages and interstage residue amplifiers for high-speed and high-resolution conversion.
- One bit of redundancy in each stage for digital correction of flash errors.
- Separate analog and digital supply voltages for flexible operation.
- Output buffers powered from a separate supply, allowing adjustment of the output voltage swing.
- High impedance state for output buffers during power-down.
- Differential analog inputs with a common mode voltage set at midsupply.
Applications
The AD9269BCPZ-80 is suitable for a variety of high-speed data acquisition applications, including:
- Medical imaging systems.
- Radar and communications systems.
- Test and measurement equipment.
- High-speed data acquisition systems.
- Industrial control and automation.
Q & A
- What is the resolution of the AD9269BCPZ-80 ADC?
The AD9269BCPZ-80 has a resolution of 16 bits. - What is the maximum sample rate of the AD9269BCPZ-80?
The maximum sample rate is up to 80 MSPS. - What is the operating temperature range of the AD9269BCPZ-80?
The operating temperature range is -40°C to +85°C. - What type of package does the AD9269BCPZ-80 come in?
The AD9269BCPZ-80 comes in a 64-Lead Lead Frame Chip Scale Package (LFCSP). - How is the output voltage swing adjusted in the AD9269BCPZ-80?
The output voltage swing is adjusted through a separate digital output driver supply voltage. - What is the SNR of the AD9269BCPZ-80?
The SNR is 76.8 dB (77.8 dBFS). - What is the SFDR of the AD9269BCPZ-80?
The SFDR is 94.3 dBc. - How does the pipelined architecture of the AD9269BCPZ-80 work?
The pipelined architecture allows the first stage to operate with a new input sample while the remaining stages operate with preceding samples, using flash ADC stages and interstage residue amplifiers. - What happens to the output buffers during power-down?
During power-down, the output buffers go into a high impedance state. - What is the input range of the AD9269BCPZ-80?
The input range is 2 V p-p differential input.
