Overview
The AD9683BCPZ-250, produced by Analog Devices Inc., is a high-performance 14-bit analog-to-digital converter (ADC) designed for applications requiring low cost, small size, wide bandwidth, and versatility. This ADC supports sampling speeds of up to 250 million samples per second (MSPS) and features a multistage, differential pipelined architecture with integrated output error correction logic. It is particularly suited for communications applications, including diversity radio systems and multimode digital receivers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 bits | |
| Sampling Rate | Up to 250 MSPS | |
| Input Range | 1.75 V p-p full-scale differential input | |
| Signal-to-Noise Ratio (SNR) | Up to 72.3 dBFS at 30 MHz input frequency | dBFS |
| Power Supply | Single 1.8 V | V |
| Package Type | 32-Lead LFCSP (5mm x 5mm x 0.75mm) | |
| Operating Temperature Range | −40°C to +85°C | °C |
| Interface | JESD204B high-speed serial interface, SPI-compatible serial interface |
Key Features
- Integrated voltage reference for ease of design.
- Duty cycle stabilizer (DCS) to compensate for ADC clock duty cycle variations.
- On-chip phase-locked loop (PLL) to generate the JESD204B data rate clock from a single ADC sampling clock.
- Optional radio frequency (RF) clock input for system board design flexibility.
- Proprietary differential input for excellent SNR performance up to 400 MHz input frequencies.
- Flexible power-down options for significant power savings.
- Programmable overrange level detection via dedicated fast detect pins.
- Standard SPI interface for setup and control, including clock DCS, power-down, test modes, voltage reference mode, and serial output configuration.
Applications
- Communications systems.
- Diversity radio systems.
- Multimode digital receivers (3G, TD-SCDMA, WiMAX, W-CDMA, CDMA2000, GSM, EDGE, LTE).
Q & A
- What is the resolution of the AD9683BCPZ-250 ADC?
The AD9683BCPZ-250 is a 14-bit analog-to-digital converter. - What are the sampling rates supported by the AD9683BCPZ-250?
The AD9683BCPZ-250 supports sampling speeds of up to 250 MSPS. - What is the input range of the AD9683BCPZ-250?
The input range is 1.75 V p-p full-scale differential input. - What is the signal-to-noise ratio (SNR) of the AD9683BCPZ-250?
The SNR can be up to 72.3 dBFS at a 30 MHz input frequency. - What power supply does the AD9683BCPZ-250 require?
The AD9683BCPZ-250 operates from a single 1.8 V power supply. - What package type is the AD9683BCPZ-250 available in?
The AD9683BCPZ-250 is available in a 32-Lead LFCSP package. - What is the operating temperature range of the AD9683BCPZ-250?
The operating temperature range is −40°C to +85°C. - What interfaces does the AD9683BCPZ-250 support?
The AD9683BCPZ-250 supports JESD204B high-speed serial interface and SPI-compatible serial interface. - Does the AD9683BCPZ-250 have any power-saving features?
Yes, it has flexible power-down options for significant power savings. - How is the AD9683BCPZ-250 programmed and controlled?
The AD9683BCPZ-250 is programmed and controlled using a 3-wire SPI-compatible serial interface.
