MAX5851

PRODUCTION

Dual, 8-Bit, 80Msps, Current-Output DAC

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: Starting From $8.00

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Overview

8-Bit, 80Msps Dual DAC
Low Power
- 58mW with I_FS = 2mA at f_CLK = 80MHz
2.7V to 3.6V Single Supply
Full Output Swing and Dynamic Performance at 2.7V Supply
Superior Dynamic Performance
- 66dBc SFDR at f_OUT = 20MHz
Programmable Channel Gain Matching
Integrated 1.24V Low-Noise Bandgap Reference
Single-Resistor Gain Control
Interleaved Data Mode
Single-Ended and Differential Clock Input Modes
Miniature 40-Pin Thin QFN Package, 6mm x 6mm
EV Kit Available—MAX5852 EV Kit

The MAX5851 dual, 8-bit, 80Msps, digital-to-analog converter (DAC) provides superior dynamic performance in wideband communication systems. The device integrates two 8-bit DAC cores, and a 1.24V reference. The converter supports single-ended and differential modes of operation. The MAX5851 dynamic performance is maintained over the entire 2.7V to 3.6V power-supply operating range. The analog outputs support a -1.0V to +1.25V compliance voltage.

The MAX5851 can also operate in interleave data mode to reduce the I/O pin count. This allows the converter to be updated on a single, 8-bit bus.

The MAX5851 features digital control of channel gain matching to within ±0.4dB in sixteen 0.05dB steps. Channel matching improves sideband suppression in analog quadrature modulation applications. The onchip 1.24V bandgap reference includes a control amplifier that allows external full-scale adjustments of both channels through a single resistor. The internal reference can be disabled and an external reference may be applied for high-accuracy applications.

The MAX5851 features full-scale current outputs of 2mA to 20mA and operates from a 2.7V to 3.6V single supply. The DAC supports three modes of power-control operation: normal, low-power standby, and complete powerdown. In power-down mode, the operating current is reduced to 1µA.

The MAX5851 is packaged in a 40-pin thin QFN with exposed paddle (EP) and is specified for the extended (-40°C to +85°C) temperature range.

Pin-compatible, higher speed, and higher resolution versions are also available. Refer to the MAX5852 (8 bit, 165Msps), the MAX5854 (10 bit, 165Msps), and the MAX5853 (10 bit, 80Msps) data sheets for more information. See Table 4.

Applications

Communications: VSAT, LMDS, MMDS, WLAN, Point-to-Point Microwave Links
Direct Digital Synthesis (DDS)
Instrumentation/ATE
Quadrature Modulation
Wireless Base Stations

Part Models: 2
1ku List Price: Starting From $8.00

Documentation

Data Sheet 1

MAX5851: Dual, 8-Bit, 80Msps, Current-Output DAC Data Sheet (Rev.0) 04/21/2004

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX5851ETL+	40-LFCSP-6X6X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX5851ETL+T	40-LFCSP-6X6X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Digital to Analog Converters (DACs) 3
MAX5854	PRODUCTION	Dual, 10-Bit, 165Msps, Current-Output DAC
MAX5853	PRODUCTION	Dual, 10-Bit, 80Msps, Current-Output DAC
MAX5852	PRODUCTION	Dual, 8-Bit, 165Msps, Current-Output DAC

Evaluation Kits

Evaluation Kit for the MAX5851 and MAX5852

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Features and Benefits

Fast Evaluation and Performance Testing
CMOS Compatible
SMA Coaxial Connectors for Clock Inputs, Clock Output, and Analog Output
50Ω Matched Clock Input and Analog Output Signal Lines
Single-Ended-to-Differential Clock Signal Conversion Circuitry
Differential Current Output to Single-Ended Voltage Signal Output Conversion Circuitry
Full-Scale Current Output Configured for 20mA
Fully Assembled and Tested
Also Evaluates the 80Msps MAX5851

Product Details

The MAX5852 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains all the components necessary to evaluate the performance of the MAX5852 digital-to-analog converter (DAC). The MAX5852 is a dual, 8-bit parallel, 165Msps DAC that integrates a 1.24V voltage reference and provides a differential current output. The EV kit operates with CMOS-compatible data inputs, a differential or single-ended clock input, and 3V power supplies for simple board operation.

The MAX5852 EV kit can also be used to evaluate the MAX5851 (80Msps) DAC.