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MAX5852 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX5852 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 18 page General Description The MAX5852 dual, 8-bit, 165Msps digital-to-analog converter (DAC) provides superior dynamic performance in wideband communication systems. The device inte- grates two 8-bit DAC cores, and a 1.24V reference. The MAX5852 supports single-ended and differential modes of operation. The 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 MAX5852 can operate in interleaved data mode to reduce the I/O pin count. This allows the converter to be updated on a single, 8-bit bus. The MAX5852 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 on- chip 1.24V bandgap reference includes a control amplifier that allows external full-scale adjustments of both channels through a single resistor. The internal ref- erence can be disabled and an external reference may be applied for high-accuracy applications. The MAX5852 features full-scale current outputs of 2mA to 20mA and operates from a 2.7V to 3.6V single sup- ply. The DAC supports three modes of power-control operation: normal, low-power standby, and complete power-down. In power-down mode, the operating current is reduced to 1µA. The MAX5852 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, lower speed, and higher resolution ver- sions are also available. Refer to the MAX5853 (10 bit, 80Msps), the MAX5851 (8 bit, 80Msps), and the MAX5854 (10 bit, 165Msps) data sheets for more infor- mation. See Table 4. Applications Communications VSAT, LMDS, MMDS, WLAN, Point-to-Point Microwave Links Wireless Base Stations Quadrature Modulation Direct Digital Synthesis (DDS) Instrumentation/ATE Features ♦ 8-Bit, 165Msps Dual DAC ♦ Low Power 190mW with IFS = 20mA at fCLK = 165MHz ♦ 2.7V to 3.6V Single Supply ♦ Full Output Swing and Dynamic Performance at 2.7V Supply ♦ Superior Dynamic Performance 67dBc SFDR at fOUT = 40MHz ♦ 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 Dual, 8-Bit, 165Msps, Current-Output DAC ________________________________________________________________ Maxim Integrated Products 1 Ordering Information 19-3232; Rev 0; 4/04 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. EVALUATION KIT AVAILABLE PART TEMP RANGE PIN-PACKAGE MAX5852ETL -40°C to +85°C 40 Thin QFN-EP* 40 36 37 38 39 EP 18 21 23 22 24 25 19 20 16 17 6 5 4 3 2 1 7 8 9 10 11 12 13 14 15 26 27 28 29 30 31 32 33 34 35 N.C. MAX5852 THIN QFN TOP VIEW CVDD CGND CLK CVDD CLKXN CLKXP DCE CW N.C. N.C. N.C. DA0/G0 DA1/G1 DA2/G2 DA3/G3 DA4/REN DA5/IDE DA6/DACEN DA7/PD Pin Configuration *EP = Exposed paddle. |
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