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AD5384 Folha de dados(PDF) 1 Page - Analog Devices |
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AD5384 Folha de dados(HTML) 1 Page - Analog Devices |
1 / 36 page 40-Channel, 3 V/5 V, Single-Supply, Serial, 14-Bit Voltage Output DAC AD5384 Rev. A 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. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. 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 © 2004 Analog Devices, Inc. All rights reserved. FEATURES Guaranteed monotonic INL error: ±4 LSB max On-chip 1.25 V/2.5 V, 10 ppm/°C reference Temperature range: –40°C to +85°C Rail-to-rail output amplifier Power-down Package type: 100-lead CSPBGA (10 mm × 10 mm) User Interfaces: Serial (SPI-®/QSPI-™/MICROWIRE-™/DSP-compatible, featuring data readback) I2C-®compatible INTEGRATED FUNCTIONS Channel monitor Simultaneous output update via LDAC Clear function to user-programmable code Amplifier boost mode to optimize slew rate User-programmable offset and gain adjust Toggle mode enables square wave generation Thermal monitor APPLICATIONS Variable optical attenuators (VOA) Level setting (ATE) Optical micro-electro-mechanical systems (MEMS) Control systems Instrumentation FUNCTIONAL BLOCK DIAGRAM R R VOUT0 DAC 0 DAC REG 0 INPUT REG 0 14 14 14 14 14 14 m REG 0 c REG 0 1.25V/2.5V REFERENCE POWER-ON RESET 39-TO-1 MUX R R VOUT1 VOUT2 VOUT3 VOUT4 VOUT5 DAC 1 DAC REG 1 INPUT REG 1 14 14 14 14 14 14 m REG 1 c REG 1 R R VOUT6 DAC 6 DAC REG 6 INPUT REG 6 14 14 14 14 14 14 m REG 6 c REG 6 R R VOUT7 VOUT8 DAC 7 DAC REG 7 INPUT REG 7 14 14 14 14 14 14 m REG 7 c REG 7 ×5 STATE MACHINE + CONTROL LOGIC INTERFACE CONTROL LOGIC VOUT0……VOUT38 RESET BUSY CLR PD DIN/SDA SPI/I2C SCLK/SCL SYNC/AD 0 DCEN/AD 1 SDO VOUT39/MON_OUT LDAC VOUT38 DVDD (×3) DGND (×4) AVDD (×5) AGND (×5) DAC GND (×5) REFGND REFOUT/REFIN SIGNAL GND (×5) AD5384 Figure 1. |
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