Overview
The AD9250BCPZ-250, produced by Analog Devices Inc., is a dual, 14-bit analog-to-digital converter (ADC) designed to support communications applications where low cost, small size, wide bandwidth, and versatility are essential. This ADC features a multistage, differential pipelined architecture with integrated output error correction logic, ensuring high performance and accuracy. The device operates from a single 1.8 V power supply and supports sampling speeds of up to 250 MSPS, making it suitable for a variety of high-speed applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Rate | Up to 250 MSPS | |
| Signal-to-Noise Ratio (SNR) | 70.6 dBFS at 185 MHz AIN and 250 MSPS | |
| Spurious-Free Dynamic Range (SFDR) | 88 dBc at 185 MHz AIN and 250 MSPS | |
| Total Power Consumption | 711 mW at 250 MSPS | mW |
| Supply Voltage | 1.8 V | V |
| Analog Input Range | 1.4 V p-p to 2.0 V p-p (1.75 V p-p nominal) | V p-p |
| Package Type | 48-Lead LFCSP (7mm x 7mm x 0.75mm) | |
| Operating Temperature Range | −40°C to +85°C | °C |
Key Features
- Proprietary differential input maintains excellent SNR performance for input frequencies of up to 400 MHz.
- Integrated analog-to-digital converter (ADC) voltage reference.
- ADC clock duty cycle stabilizer (DCS) to compensate for variations in the ADC clock duty cycle.
- JESD204B high-speed serial interface supporting up to 5 Gbps per lane.
- Standard serial port interface (SPI) for controlling various product features and functions.
- On-chip phase-locked loop (PLL) to multiply the ADC sampling clock for JESD204B data rate clock.
- Optional RF clock input to ease system board design.
- 95 dB channel isolation/crosstalk.
Applications
The AD9250BCPZ-250 is designed to support a wide range of communications applications, including:
- Wireless infrastructure (base stations, repeaters)
- Instrumentation and test equipment
- Radar and electronic warfare systems
- Medical imaging and diagnostics
- High-speed data acquisition systems
Q & A
- What is the resolution of the AD9250BCPZ-250 ADC?
The AD9250BCPZ-250 is a 14-bit analog-to-digital converter.
- What is the maximum sampling rate of the AD9250BCPZ-250?
The maximum sampling rate is up to 250 MSPS.
- What is the signal-to-noise ratio (SNR) of the AD9250BCPZ-250 at 185 MHz AIN and 250 MSPS?
The SNR is 70.6 dBFS at 185 MHz AIN and 250 MSPS.
- What is the total power consumption of the AD9250BCPZ-250 at 250 MSPS?
The total power consumption is 711 mW at 250 MSPS.
- What type of serial interface does the AD9250BCPZ-250 support?
The AD9250BCPZ-250 supports the JESD204B high-speed serial interface.
- What is the operating temperature range of the AD9250BCPZ-250?
The operating temperature range is −40°C to +85°C.
- Does the AD9250BCPZ-250 have an integrated voltage reference?
Yes, the AD9250BCPZ-250 has an integrated ADC voltage reference.
- What is the purpose of the ADC clock duty cycle stabilizer (DCS) in the AD9250BCPZ-250?
The DCS compensates for variations in the ADC clock duty cycle to maintain excellent performance.
- Can the AD9250BCPZ-250 be controlled via a serial port interface?
Yes, the AD9250BCPZ-250 supports a standard serial port interface (SPI) for various control functions.
- What is the channel isolation/crosstalk of the AD9250BCPZ-250?
The channel isolation/crosstalk is 95 dB.
