Overview
The AD9251BCPZRL7-40 is a high-performance, dual-channel, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This monolithic ADC operates from a single 1.8 V analog power supply and features a separate digital output driver supply that accommodates 1.8 V to 3.3 V logic families. It is designed for low power consumption and ease of use, making it suitable for a variety of applications requiring high-speed and high-accuracy data conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sample Rate | 20 MSPS, 40 MSPS, 65 MSPS, 80 MSPS | |
| Analog Supply Voltage | 1.8 V | V |
| Digital Output Supply Voltage | 1.8 V to 3.3 V | V |
| Signal-to-Noise Ratio (SNR) | 74.3 dBFS at 9.7 MHz input, 71.5 dBFS at 200 MHz input | dBFS |
| Spurious-Free Dynamic Range (SFDR) | 93 dBc at 9.7 MHz input, 80 dBc at 200 MHz input | dBc |
| Power Consumption | 33 mW per channel at 20 MSPS, 73 mW per channel at 80 MSPS | mW |
| Input Bandwidth | 700 MHz | MHz |
| Differential Analog Input | 2 V p-p | V p-p |
| Operating Temperature Range | −40°C to +85°C | °C |
| Package Type | 64-Lead RoHS Compliant LFCSP |
Key Features
- High performance sample-and-hold circuit with excellent performance for input frequencies up to 200 MHz
- On-chip voltage reference and sample-and-hold circuit
- Differential input with 700 MHz bandwidth and 2 V p-p differential analog input
- Low power consumption: 33 mW per channel at 20 MSPS and 73 mW per channel at 80 MSPS
- Serial port control options including offset binary, gray code, or twos complement data format
- Optional clock duty cycle stabilizer (DCS) to compensate for wide variations in the clock duty cycle
- Integer 1-to-8 input clock divider and data output multiplex option
- Built-in selectable digital test pattern generation including deterministic and pseudorandom patterns
- Energy-saving power-down modes
- Data clock out with programmable clock and data alignment
Applications
The AD9251BCPZRL7-40 is suitable for various high-speed data acquisition applications, including:
- Medical Imaging
- Radar and Aerospace
- Test and Measurement Equipment
- High-Speed Data Acquisition Systems
- Wireless Communication Systems
Q & A
- What is the resolution of the AD9251BCPZRL7-40 ADC?
The AD9251BCPZRL7-40 has a 14-bit resolution.
- What are the available sample rates for the AD9251BCPZRL7-40?
The available sample rates are 20 MSPS, 40 MSPS, 65 MSPS, and 80 MSPS.
- What is the analog supply voltage for the AD9251BCPZRL7-40?
The analog supply voltage is 1.8 V.
- What are the supported digital output supply voltages?
The digital output supply voltages range from 1.8 V to 3.3 V.
- What is the signal-to-noise ratio (SNR) of the AD9251BCPZRL7-40?
The SNR is 74.3 dBFS at 9.7 MHz input and 71.5 dBFS at 200 MHz input.
- What is the spurious-free dynamic range (SFDR) of the AD9251BCPZRL7-40?
The SFDR is 93 dBc at 9.7 MHz input and 80 dBc at 200 MHz input.
- How much power does the AD9251BCPZRL7-40 consume?
The power consumption is 33 mW per channel at 20 MSPS and 73 mW per channel at 80 MSPS.
- What is the input bandwidth of the AD9251BCPZRL7-40?
The input bandwidth is 700 MHz.
- What is the differential analog input range of the AD9251BCPZRL7-40?
The differential analog input range is 2 V p-p.
- What is the operating temperature range of the AD9251BCPZRL7-40?
The operating temperature range is −40°C to +85°C.
- What package type is the AD9251BCPZRL7-40 available in?
The AD9251BCPZRL7-40 is available in a 64-Lead RoHS Compliant LFCSP package.
