HMCAD1104

Analog To Digital Converters (ADC) Overview

The HMCAD1104 is an octal 10-bit analog-to-digital converter (ADC) featuring a maximum sampling rate of 65 MSPS. It operates on a single 1.8V supply voltage for both analog and digital domains, with a separate 1.7V to 3.6V supply for CMOS inputs. The device integrates internal reference circuitry, offset correction, and coarse/fine gain control. It provides serial LVDS outputs and supports SPI configuration. Power dissipation ranges from 93 mW at 20 MSPS to 245 mW at 65 MSPS. Key performance metrics include a typical SNR of 61.6 dB at 8 MHz input and an ENOB of 9.9 bits. The component is housed in a 64-lead 9x9 mm surface mount package.

Analog To Digital Converters (ADC) Feature Summary

• Ultra-low power architecture with independent channel power-down capabilities and multiple sleep modes for duty-cycled systems.
• Integrated internal reference and offset correction eliminating the need for external components.
• Configurable via serial interface allowing individual channel control and data format selection.
• Fast startup times enabling significant power reduction during idle receive periods.

Analog To Digital Converters (ADC) Applications

• Medical imaging systems
• Wireless infrastructure equipment
• Test and measurement instrumentation
• General purpose instrumentation

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific manufacturer source, as documentation references both Analog Devices and Hittite Microwave Corporation. Confirm the exact ordering suffix matches the required package variant. Ensure compatibility with the 1.8V supply requirements and LVDS output standards before finalizing procurement specifications.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring high channel density with low power consumption. Verify that the 65 MSPS maximum sampling rate meets the system bandwidth requirements. Consider the 14-clock pipeline delay when designing timing constraints for FPGA interfaces. Ensure the 9x9mm package footprint fits the PCB layout constraints.

Analog To Digital Converters (ADC) Part Context

The HMCAD1104 belongs to a family of high-performance ADCs designed for multi-channel acquisition. It shares functional similarities with the HMCAD1100, HMCAD1101, and HMCAD1102, which are listed as pin-compatible parts. This integration allows for scalable designs across different channel count requirements within the same product line.

Analog To Digital Converters (ADC) Replacement Considerations

The HMCAD1100, HMCAD1101, and HMCAD1102 are documented as pin-compatible alternatives. Verify specific electrical differences between these variants to ensure they meet the target application's performance criteria before substitution.

Analog To Digital Converters (ADC) FAQ

What is the startup time from power down mode?

The startup time from power down mode to active mode is approximately 15 microseconds, provided the references have reached 99% of their final value.

How is the device initialized after power-on?

Initialization requires applying a reset pulse and a power-down cycle. Reset can be triggered via the resetn pin or the SPI register, followed by cycling the PD pin or the SPI power-down bit.

What is the typical Signal-to-Noise Ratio (SNR)?

The typical SNR is 61.6 dB when measured with an 8 MHz input signal at various sampling rates including 20, 40, 50, and 65 MSPS.