Overview
The AD9231BCPZRL7-20 is a high-performance, dual-channel, 12-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 can accommodate 1.8 V to 3.3 V logic families. It is designed for low power consumption, ease of use, and high accuracy, making it suitable for a variety of applications requiring high-speed data conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-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) | 71.3 dBFS at 9.7 MHz input, 69.0 dBFS at 200 MHz input | dBFS |
| Spurious-Free Dynamic Range (SFDR) | 93 dBc at 9.7 MHz input, 83 dBc at 200 MHz input | dBc |
| Power Consumption | 32 mW per channel at 20 MSPS, 71 mW per channel at 80 MSPS | mW |
| Input Bandwidth | 700 MHz | MHz |
| Differential Analog Input | 2 V p-p | V p-p |
| Package Type | 64-lead RoHS compliant LFCSP | |
| Operating Temperature Range | −40°C to +85°C | °C |
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.
- Low power consumption with energy-saving power-down modes.
- Programmable clock and data alignment, and optional clock duty cycle stabilizer.
- Integer 1-to-8 input clock divider and data output multiplex option.
- Built-in selectable digital test pattern generation, including deterministic and pseudorandom patterns.
- Data output in offset binary, gray code, or twos complement format.
- Standard serial port interface (SPI) for various control functions.
Applications
- Communications systems.
- Diversity radio systems.
- Multimode digital receivers.
Q & A
- What is the resolution of the AD9231BCPZRL7-20 ADC?
The AD9231BCPZRL7-20 is a 12-bit analog-to-digital converter.
- What are the available sample rates for the AD9231BCPZRL7-20?
The sample rates available are 20 MSPS, 40 MSPS, 65 MSPS, and 80 MSPS.
- What is the analog supply voltage for the AD9231BCPZRL7-20?
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 AD9231BCPZRL7-20 at different input frequencies?
The SNR is 71.3 dBFS at 9.7 MHz input and 69.0 dBFS at 200 MHz input.
- How much power does the AD9231BCPZRL7-20 consume at different sample rates?
The power consumption is 32 mW per channel at 20 MSPS and 71 mW per channel at 80 MSPS.
- What is the input bandwidth of the AD9231BCPZRL7-20?
The input bandwidth is 700 MHz.
- What type of package does the AD9231BCPZRL7-20 come in?
The AD9231BCPZRL7-20 is packaged in a 64-lead RoHS compliant LFCSP.
- What is the operating temperature range of the AD9231BCPZRL7-20?
The operating temperature range is −40°C to +85°C.
- What are some of the key applications for the AD9231BCPZRL7-20?
The key applications include communications systems, diversity radio systems, and multimode digital receivers.
