DAC38RF82 Dual-Channel PLL Digital-to-Analog (DAC) Converter

Product Highlights > DAC38RF82 Dual-Channel PLL Digital-to-Analog (DAC) Converter

            DAC38RF82 Dual-Channel PLL Digital-to-Analog (DAC) Converter
                    Texas Instruments' DAC38RF82 dual-channel DAC with JESD204B interface, on-chip PLL and wide-band interpolation
    

Image of Texas Instruments' DAC38RF82 Dual-Channel, PLL Digital-to-Analog Converter Texas Instruments' DAC38RF82 is a high-performance, wide bandwidth RF-sampling DAC that is capable of dual-channel input data rate up to 3.33 GSPS or single-channel operation with 8-bits up to 9 GSPS. This device has a low power JESD204B interface with up to 8 lanes, and a maximum bit rate of 12.5 Gbps.

In dual-channel operation, the input interface is capable of data rates up to 3.33 GSPS at 12-bits and 2.5 GSPS at 16-bits resolution without interpolation. When used as a complex baseband transmitter with interpolation modes from 2x to 24x, the DAC38RF82 is capable of synthesizing wideband signals up to 2 GHz bandwidth with 16-bit input resolution and 2.66 GHz bandwidth with 12-bit input resolution.

The 8-bit mode allows an input at the full 9 GSPS maximum DAC sample rate and can synthesize wideband signals from 0 GHz to 4.5 GHz.

An optional low jitter PLL/VCO simplifies the DAC clock generation by allowing use of a lower frequency reference clock. This DAC supports different VCO frequency ranges, summarized in TI's Device Comparison Table.

Features
14-bit resolution, 9-GSPS DAC with multimode operation 16-bit, dual-channel data mode Max. input rate: 2.5 GSPS Wideband digital up-converter Interpolation: 1, 2, 4, 6, 8, 10, 12, 16, 18, 20, 24x 12-bit, dual-channel data mode Max. input rate: 3.33 GSPS Wideband digital up-converter 8-bit, single-channel data mode Max. input rate: 9 GSPS		JESD204B interface Subclass 1 for multichip synchronization Max. lane rate: 12.5 Gbps Differential output Supports DC coupling RF full-scale output power (with 2:1 Balun): 3 dBm at 2.14 GHz Internal PLL and VCO with bypass f_C(VCO) = 5.9 GHz or 8.9 GHz Power Supplies: -1.8 V, 1.0 V, and 1.8 V Package: 10 mm x 10 mm BGA, 0.8 mm pitch, 144-balls
Applications
Arbitrary waveform generators Radar and electronic warfare Communications test equipment		Direct RF synthesis for DOCSIS 3.0/3.1 Microwave backhaul

Evaluation boards

	Image	Manufacturer Part Number	Description	Available Quantity	Price	View Details
		DAC38RF82EVM	EVAL BOARD FOR DAC38RF82	3 - Immediate	$8,880.68	View Details
		TSW40RF82EVM	EVAL MODULE FOR TSW40RF82	5 - Immediate	$24,686.12	View Details

Published: 2018-08-23

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DAC38RF82 Dual-Channel PLL Digital-to-Analog (DAC) Converter