AD9775BSVZ

Digital To Analog Converters Overview

The AD9775BSVZ is a 14-bit, dual-channel digital-to-analog converter (DAC) from the TxDAC+ family. It supports an input data rate of 160 MSPS and achieves a maximum DAC output update rate of 400 MSPS through selectable 2×, 4×, or 8× interpolation filters. The device operates on a single 3.1 V to 3.5 V supply with typical power dissipation of 1.2 W. Key features include programmable channel gain and offset adjustment, fS/2, fS/4, and fS/8 digital quadrature modulation, and direct IF transmission mode for frequencies above 70 MHz. It utilizes an internal PLL clock multiplier and provides differential current outputs.

Digital To Analog Converters Feature Summary

• 14-bit resolution with 160 MSPS input and 400 MSPS output update rates
• Selectable 2×, 4×, or 8× interpolating half-band filters
• Digital quadrature modulation capability (fS/2, fS/4, fS/8) with image rejection
• Direct IF transmission mode for 70 MHz + IFs
• Programmable channel gain (±6 dB range) and offset control

Digital To Analog Converters Applications

• Analog quadrature modulation architecture
• 3G, multicarrier GSM, TDMA, CDMA systems
• Broadband wireless point-to-point microwave radios

Digital To Analog Converters Procurement Notes

Verify the component against the official Analog Devices datasheet Rev. E specifications. Confirm that the package matches the 80-lead thin quad flat package with exposed pad (TQFP_EP). Ensure the operating voltage range of 3.1 V to 3.5 V aligns with system requirements before integration.

Digital To Analog Converters Selection Notes

Select this component for applications requiring high linearity and flexible digital upconversion. The integrated interpolation filters reduce reconstruction filter complexity. Consider the 1.2 W power consumption and thermal resistance of 23.5°C/W when designing the PCB layout. Verify compatibility with straight binary or two's complement data interfaces.

Digital To Analog Converters Part Context

The AD9775BSVZ belongs to the AD977x family of pin-compatible, high-performance DACs. It shares architectural similarities with models like the AD9772, AD9773, and AD9777 but offers specific 14-bit resolution and 400 MSPS performance characteristics tailored for wide dynamic range communications systems.

Digital To Analog Converters Replacement Considerations

For pin-compatible alternatives within the same family, consider the AD9775ABSVZ or other variants in the AD977x series. Verify that any substitute maintains the 14-bit resolution and 400 MSPS update rate requirements.