AD9176BBPZ

Specialized ICS Overview

The AD9176BBPZ is a dual-channel, 16-bit RF DAC supporting sample rates up to 12.6 GSPS. It features an 8-lane JESD204B interface with a maximum lane rate of 15.3125 Gbps and an on-chip PLL clock multiplier. Each RF DAC datapath includes three bypassable complex input channels with configurable gain, interpolation filters, and independent NCOs for multiband frequency planning. The device supports ultrawide data rate modes, allowing single-DAC operation at 6.16 GSPS or dual-DAC operation at 3.08 GSPS (16-bit) and 4.1 GSPS (12-bit). Key performance metrics include ±7 LSB INL/DNL, -83 dBc IMD3, and < -80 dBc SFDR at 1.84 GHz. It operates within a temperature range of -40°C to +85°C.

Specialized ICS Feature Summary

• Dual 16-bit architecture with 12.6 GSPS maximum DAC update rate
• Three bypassable complex input channels per RF DAC with independent NCOs
• 8-lane JESD204B interface supporting up to 15.3125 Gbps per lane
• Integrated high-performance PLL clock multiplier and 48-bit main NCO

Specialized ICS Applications

• Wireless communications infrastructure
• Multiband base station radios
• Microwave/E-band backhaul systems
• Radars and jammers

Specialized ICS Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and temperature grade. Confirm that the BGA-ED package requires appropriate thermal management solutions due to power dissipation levels reaching approximately 3.69 W in high-speed configurations. Ensure compatibility with JESD204B Subclass 1 requirements if deterministic latency is critical for the system design.

Specialized ICS Selection Notes

Select this component for applications requiring direct-to-RF modulation with flexible multiband channelization. The AD9176 is suitable when high spectral purity (< -80 dBc SFDR) and low phase noise are required. Consider the internal digital signal processing capabilities, including channelizers and NCOs, to reduce FPGA logic utilization. Evaluate power consumption based on the selected JESD204B mode and interpolation factors, as total power dissipation varies significantly between single-link and dual-link configurations.

Specialized ICS Part Context

The AD9176 belongs to Analog Devices' family of high-speed RF DACs designed for demanding wireless infrastructure applications. It complements other models like the AD9172 and AD9173 by offering three bypassable complex channels per DAC, whereas the AD9172 provides similar channelization but the AD9173 offers different bandwidth trade-offs. This specific model targets single-band and multiband direct RF synthesis where high data throughput and spectral cleanliness are paramount.

Specialized ICS Replacement Considerations

Direct pin-compatible replacements within the same series include the AD9172 and AD9173, though they differ in channel configuration and maximum data rates. Verify functional equivalence regarding JESD204B lane counts and interpolation capabilities before substitution.