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DAC7552IRGTTG4 Arkusz danych(PDF) 1 Page - Texas Instruments |
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DAC7552IRGTTG4 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 24 page 3 mm x 3 mm Actual Size _ + Interface Logic Input Register DAC Register String DAC A Power-Down Logic Power-On Reset VDD IOVDD VREFA VFBA VOUT A VREFB GND CLR DCEN SDIN SYNC SCLK _ + Input Register DAC Register String DAC B VFBB VOUT B PD SDO FUNCTIONAL BLOCK DIAGRAM DAC7552 DAC7552 www.ti.com SLAS442D – JANUARY 2005 – REVISED JUNE 2011 12-BIT, DUAL, ULTRALOW GLITCH, VOLTAGE OUTPUT DIGITAL-TO-ANALOG CONVERTER Check for Samples: DAC7552 1 FEATURES DESCRIPTION The DAC7552 is a 12-bit, dual-channel, 2 • 2.7-V to 5.5-V Single Supply voltage-output DAC with exceptional linearity and • 12-Bit Linearity and Monotonicity monotonicity. Its proprietary architecture minimizes • Rail-to-Rail Voltage Output undesired transients such as code-to-code glitch and • Settling Time: 5 µs (Max) channel-to-channel crosstalk. The low-power DAC7552 operates from a single 2.7-V to 5.5-V • Ultralow Glitch Energy: 0.1 nVs supply. The DAC7552 output amplifiers can drive a • Ultralow Crosstalk: –100 dB 2-k Ω, 200-pF load rail-to-rail with 5-µs settling time; • Low Power: 440 µA (Max) the output range is set using an external voltage • Per-Channel Power Down: 2 µA (Max) reference. • Power-On Reset to Zero Scale The 3-wire serial interface operates at clock rates up • SPI-Compatible Serial Interface: Up to 50 MHz to 50 MHz and is compatible with SPI, QSPI, • Daisy-Chain Capability Microwire ™, and DSP interface standards. The outputs of all DACs may be updated simultaneously • Asynchronous Hardware Clear or sequentially. The parts incorporate a • Simultaneous or Sequential Update power-on-reset circuit to ensure that the DAC outputs • Specified Temperature Range: –40°C to 105°C power up to zero volts and remain there until a valid • Small 3-mm × 3-mm, 16-Lead QFN Package write cycle to the device takes place. The parts contain a power-down feature that reduces the APPLICATIONS current consumption of the device to under 2 µA. • Portable Battery-Powered Instruments The small size and low-power operation makes the • Digital Gain and Offset Adjustment DAC7552 ideally suited for battery-operated portable applications. The power consumption is typically • Programmable Voltage and Current Sources 1.5 mW at 5 V, 0.75 mW at 3 V, and reduces to 1 µW • Programmable Attenuators in power-down mode. • Industrial Process Control The DAC7552 is available in a 16-lead QFN package and is specified over –40°C to 105°C. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 Microwire is a trademark of National Semiconductor Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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