Overview
The AD9231BCPZ-20 is a high-performance, dual-channel, 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This monolithic device operates from a single 1.8 V analog power supply and features a separate digital output driver supply to accommodate 1.8 V to 3.3 V logic families. It is designed for low power consumption, ease of use, and excellent performance for input frequencies up to 200 MHz.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sample Rate | 20 MSPS, 40 MSPS, 65 MSPS, 80 MSPS |
| Analog Supply Voltage | 1.8 V |
| Digital Output Driver Supply Voltage | 1.8 V to 3.3 V |
| Input Frequency Range | Up to 200 MHz |
| Output Data Format | Offset binary, gray code, twos complement |
| Package Type | 64-lead RoHS compliant LFCSP |
| Operating Temperature Range | −40°C to +85°C |
| Signal-to-Noise Ratio (SNR) | Up to 71.4 dBFS at 25°C |
Key Features
- High performance sample-and-hold circuit with multistage differential pipeline architecture and output error correction logic.
- Programmable clock and data alignment, and programmable digital test pattern generation including deterministic and pseudorandom patterns.
- Differential clock input with optional duty cycle stabilizer (DCS) to compensate for wide variations in the clock duty cycle.
- Standard serial port interface (SPI) for various product features and functions such as data output formatting, internal clock divider, power-down, DCO/DATA timing and offset adjustments, and voltage reference modes.
- Support for both 1.8 V and 3.3 V CMOS levels, with output data multiplexed onto a single output bus.
- Pin compatible with other ADCs from Analog Devices, enabling easy migration between different converter models.
Applications
- Communications systems.
- Diversity radio systems.
- Multimode digital receivers.
Q & A
- What is the resolution of the AD9231BCPZ-20 ADC?
The AD9231BCPZ-20 has a resolution of 12 bits. - What are the available sample rates for the AD9231BCPZ-20?
The available sample rates are 20 MSPS, 40 MSPS, 65 MSPS, and 80 MSPS. - What is the analog supply voltage for the AD9231BCPZ-20?
The analog supply voltage is 1.8 V. - What are the supported digital output driver supply voltages?
The digital output driver supply voltages range from 1.8 V to 3.3 V. - What is the maximum input frequency the AD9231BCPZ-20 can handle?
The maximum input frequency is up to 200 MHz. - In what formats can the output data be presented?
The output data can be presented in offset binary, gray code, or twos complement format. - What type of package does the AD9231BCPZ-20 come in?
The AD9231BCPZ-20 comes in a 64-lead RoHS compliant LFCSP package. - What is the operating temperature range of the AD9231BCPZ-20?
The operating temperature range is from −40°C to +85°C. - Does the AD9231BCPZ-20 support programmable test patterns?
Yes, it supports programmable digital test pattern generation, including deterministic and pseudorandom patterns. - How can the AD9231BCPZ-20 be configured and controlled?
It can be configured and controlled through a standard serial port interface (SPI).
