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AD8380 Fiches technique(PDF) 1 Page - Analog Devices |
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AD8380 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 16 page REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD8380 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 Fast, High-Voltage Drive, 6-Channel Output DecDriver™ Decimating LCD Panel Driver FUNCTIONAL BLOCK DIAGRAM DAC 10 VID1 10 DAC 10 10 VID0 DAC 10 VID2 10 DAC 10 VID3 10 DAC 2-STAGE LATCH 10 VID4 10 DAC 10 VID5 10 CHANNEL SELECTOR R/ L 2-STAGE LATCH 2-STAGE LATCH 2-STAGE LATCH 2-STAGE LATCH 2-STAGE LATCH 10 BIAS SCALING CONTROL DB [0:9] CLK STSQ/CS XFR E/ O A[0:2] STBY BYP VREFHI VREFLO INV VMID AD8380 3 FEATURES High-Voltage Drive to Within 1.3 V of Supply Rails 24 V Supply for Fast Output Voltage Drivers High Update Rates: Fast 75 Ms/s 10-Bit Input Word Rate Low Power Dissipation, 550 mW with Power-Down Voltage Controlled Video Reference and Full-Scale (Contrast) Output Levels INV Bit Reverses Polarity of Video Signal Nominal 3.3 V Logic and 15 V Analog Supplies Flexible Logic Addressable or Sequential Channel Loading STSQ/CS Allow Parallel AD8380 Operation for XGA and Greater Resolution Drives Capacitive Loads 26 ns Settling Time to 1% Up to 150 pF Load Slew Rate 270 V/ s Available in 44-Lead MQFP APPLICATIONS Poly Si LCD Panel Analog Column Driver PRODUCT DESCRIPTION The AD8380 provides a fast, 10-bit latched decimating digital input that drives 6-channel high voltage drive outputs. The 10- bit input word is sequentially muxed into six separate high speed, bipolar DACs. Flexible digital input formats allow several AD8380s to be used in parallel for higher resolution displays. STSQ/CS, in conjunction with 3-bit addressable channel-loading pins, allows loading of the digital words either sequentially or randomly, and R/ L control sets loading as either left to right, or vice versa. 6-channel high voltage output drivers drive to within 1.3 V of the rails to rated settling time. The output signal can be adjusted for dc signal reference, signal inversion or contrast for maximum flexibility. The AD8380 is fabricated on ADI’s XFCB26 fast bipolar 26 V process, providing fast input logic, trimmed accuracy bipolar DACs and fast settling, high voltage precision drive amplifiers on the same chip. The AD8380 dissipates nominally 0.55 W of static power. STBY pin reduces power to a minimum, with fast recovery. The AD8380 is offered in a 44-lead 10 × 10 × 2.0 mm MQFP package and operates over the commercial temperature range of 0 °C to 85°C. DecDriver is a trademark of Analog Devices, Inc. |
Numéro de pièce similaire - AD8380_15 |
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Description similaire - AD8380_15 |
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