Overview
The AD9484BCPZRL7-500 is an 8-bit, monolithic, sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is optimized for high performance, low power consumption, and ease of use, making it suitable for various high-speed applications. The AD9484 operates at a conversion rate of up to 500 MSPS and is fabricated on an advanced BiCMOS process. It includes all necessary functions such as a sample-and-hold and voltage reference on the chip, providing a complete signal conversion solution. The device is available in a 56-lead LFCSP package and is specified over the industrial temperature range of −40°C to +85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 8 bits | |
| Conversion Rate | Up to 500 MSPS | |
| SNR | 47 dBFS at 500 MSPS with a 250 MHz input | |
| ENOB | 7.5 bits at 500 MSPS (−1.0 dBFS) | |
| SFDR | 79 dBc at 500 MSPS (−1.0 dBFS) | |
| DNL | ±0.1 LSB typical | |
| INL | ±0.1 LSB typical | |
| Analog Voltage Supply | 1.8 V | |
| Power Dissipation | 670 mW at 500 MSPS—LVDS SDR output | |
| Package | 56-Lead LFCSP (8mm x 8mm w/ EP) | |
| Temperature Range | −40°C to +85°C |
Key Features
- High performance with 47 dBFS SNR at 500 MSPS with a 250 MHz input
- Excellent linearity with DNL and INL of ±0.1 LSB typical
- Integrated input buffer and on-chip reference, no external decoupling required
- LVDS (ANSI-644) compatible digital outputs supporting twos complement, offset binary format, or Gray code
- Serial port control for various product functions such as data formatting, power-down, gain adjust, and output test pattern generation
- Low power dissipation of 670 mW at 500 MSPS—LVDS SDR output
- 1 GHz full power analog bandwidth
- Ease of use with LVDS output data and output clock signal allowing interface to current FPGA technology
Applications
- Wireless and wired broadband communications
- Cable reverse path
- Communications test equipment
- Low cost digital oscilloscopes
- Satellite subsystems
- Power amplifier linearization
Q & A
- What is the resolution of the AD9484BCPZRL7-500?
The AD9484BCPZRL7-500 is an 8-bit analog-to-digital converter.
- What is the maximum conversion rate of the AD9484BCPZRL7-500?
The maximum conversion rate is up to 500 MSPS.
- What is the SNR of the AD9484BCPZRL7-500 at 500 MSPS with a 250 MHz input?
The SNR is 47 dBFS.
- What type of digital outputs does the AD9484BCPZRL7-500 support?
The device supports LVDS (ANSI-644) compatible digital outputs.
- What is the power dissipation of the AD9484BCPZRL7-500 at 500 MSPS?
The power dissipation is 670 mW at 500 MSPS—LVDS SDR output.
- What is the temperature range for the AD9484BCPZRL7-500?
The temperature range is −40°C to +85°C.
- What package type is the AD9484BCPZRL7-500 available in?
The device is available in a 56-Lead LFCSP package.
- Does the AD9484BCPZRL7-500 require an external voltage reference?
No, it has an on-chip reference, but an external reference can be used if enabled through the SPI port.
- What are some common applications of the AD9484BCPZRL7-500?
Common applications include wireless and wired broadband communications, cable reverse path, communications test equipment, low cost digital oscilloscopes, satellite subsystems, and power amplifier linearization.
- How does the AD9484BCPZRL7-500 simplify system design?
The device simplifies system design with its LVDS output data and output clock signal, on-chip reference, and single 1.8 V supply.
