AD9233BCPZ-105

Overview

The AD9233BCPZ-105 is a monolithic, single-supply 12-bit analog-to-digital converter (ADC) from Analog Devices. It operates at a maximum sampling rate of 105 MSPS with a 1.8 V analog supply and a 1.8 V to 3.3 V digital output driver supply. The device features a high-performance sample-and-hold amplifier (SHA) with a 650 MHz bandwidth and an on-chip voltage reference. Key electrical specifications include a Signal-to-Noise Ratio (SNR) of 69.5 dBc at a 70 MHz input frequency and a Spurious-Free Dynamic Range (SFDR) of 85 dBc under the same conditions. Power consumption is typically 350 mW at full speed with a DC input.

Feature Summary

• Multistage differential pipeline architecture with output error correction logic ensures 12-bit accuracy without missing codes across the operating temperature range.
• Patented sample-and-hold amplifier maintains excellent performance for input frequencies up to 225 MHz while supporting flexible analog input ranges.
• Integrated clock duty cycle stabilizer compensates for wide variations in clock pulse widths to maintain overall ADC performance.
• Standard serial port interface supports configuration of data formatting, power-down modes, and voltage reference settings.

Applications

• Ultrasound equipment
• IF sampling in communications receivers
• Battery-powered instruments

Procurement Notes

Verify the specific speed grade suffix matches the required sampling rate, as the AD9233 family includes 80 MSPS, 105 MSPS, and 125 MSPS variants. Confirm that the LFCSP-48 package thermal requirements are met by the target PCB layout, specifically regarding the exposed paddle soldering. Ensure the DRVDD supply voltage aligns with the receiving logic levels, as it supports both 1.8 V and 3.3 V families.

Selection Notes

Select this component when a 12-bit resolution and 105 MSPS throughput are required within a low-power, single-supply environment. Consider the AD9233BCPZ-125 if higher sampling rates are needed, or the AD9233BCPZ-80 for cost-sensitive applications where lower bandwidth suffices. Verify that the 650 MHz analog input bandwidth meets the signal frequency requirements and that the 1.8 V core voltage simplifies power management compared to older 3 V ADCs.

Part Context

The AD9233BCPZ-105 belongs to the AD9233 family of 1.8 V, 12-bit analog-to-digital converters manufactured by Analog Devices. This series is designed for communications, imaging, and medical ultrasound applications. The device is pin-compatible with the 14-bit AD9246, allowing for straightforward migration between resolution grades within the same product line.

Replacement Considerations

The AD9233BCPZ-80 and AD9233BCPZ-125 are direct pin-compatible alternatives within the same family, differing only in their guaranteed maximum sampling rates. For upgrades requiring higher resolution, the AD9246 series offers 14-bit performance with identical pinouts.