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MP7523JN Datasheet(PDF) 1 Page - Exar Corporation |
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MP7523JN Datasheet(HTML) 1 Page - Exar Corporation |
1 / 12 page MP7523/XRD7523 Rev. 3.00 E1996 EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 z (510) 668-7000 z (510) 668-7010 FEATURES • Full Four-Quadrant Multiplying • Low Feedthrough: 1/2 LSB @ 200 kHz • Fast Settling: 100 ns (typ.) • Low Power Dissipation • Low Cost • 5 V/15 V Operation • Buffered Version: MP7524/XRD7524 15 V CMOS Multiplying 8-Bit Digital-to-Analog Converter APPLICATIONS • Battery Operated Equipment • Low Power, Ratiometric A/D Converters • Digitally Controlled Gain Circuits • Digitally Controlled Attenuators • CRT Character Generation • Low Noise Audio Gain Control ...the analog plus companyTM January 1996-2 GENERAL DESCRIPTION The MP7523/XRD7523 is a low cost multiplying Digital-to- Analog Converter. The device uses an advanced thin-film-on- CMOS technology to provide 8-bit resolution with accuracy to 10-bits and very low power dissipation. The MP7523/XRD7523’s excellent multiplying characteris- tics and low cost allow it to be used in a wide ranging field of ap- plications such as: low noise audio gain control, CRT character generation, motor speed control, digitally controlled attenuators, etc. SIMPLIFIED BLOCK DIAGRAM 4R R 2R 2 to 3 Decoder MSB LSB 4R 4R 4R 4R 4R 4R 2R 2R Switch Drivers & Switches 3 Segment D/A Converter with Termination to DGND Logical “1” at Digital Input Steers Current to IOUT1 BIT 8 R = 10k BIT 1 RFB IOUT1 IOUT2 VREF VDD |
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