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DAC729JH Arkusz danych(PDF) 1 Page - Burr-Brown (TI) |
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DAC729JH Arkusz danych(HTML) 1 Page - Burr-Brown (TI) |
1 / 12 page ©1988 Burr-Brown Corporation PDS-749C Printed in U.S.A. October, 1993 Ultra-High Resolution 18-BIT DIGITAL-TO-ANALOG CONVERTER FEATURES q 16-BIT LINEARITY GUARANTEED (K Grade) q USER ADJUSTABLE TO 18-BIT LINEARITY q PRECISION INTERNAL REFERENCE q FAST SETTLING, LOW NOISE INTERNAL OP AMP q LOW DRIFT q HERMETIC 40-PIN CERAMIC PACKAGE q I OUT OR VOUT OPERATION DAC729 DESCRIPTION The DAC729 sets the standard in very high accuracy digital-to-analog conversion. It is supplied from the factory at a guaranteed linearity of 16 bits, and is user- adjustable to 18-bit linearity (1LSB = FSR/262144). To attain this high level of accuracy, the design takes advantage of Burr-Brown’s thin-film monolithic DAC process, dielectric op amp process, hybrid capabilities, and advanced test and laser-trim techniques. The DAC729 hybrid layout is specifically partitioned to minimize the effects of external load-current- induced thermal errors. The op amp design consists of a fast settling precision op amp with a current buffer within the feedback loop. This buffer isolates the load from the precision op amp, which results in a fast settling (8 µs to 16 bits) output. The standard 40-pin package offers full hermeticity, contributing to the excellent reliability of the DAC729. 18-Bit I OUT DAC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 5k Ω 5k Ω 5k Ω 5k Ω 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 Servo-Loop Amplifier Precision 10V Reference International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111 Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132 DAC729 |
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