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DAC7565ICPWRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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DAC7565ICPWRG4 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 46 page  DAC7565 1 FEATURES DESCRIPTION APPLICATIONS 24-BitShiftRegister SYNC SCLK D IN DataBufferA DACRegisterA DataBufferB DACRegisterB DataBufferC DACRegisterC DataBufferD DACRegisterD AV DD Buffer Control Register Control ControlLogic 2.5V Reference Power-Down ControlLogic 12-BitDAC 12-BitDAC 12-BitDAC 12-BitDAC V A OUT V B OUT V C OUT V D OUT GND LDAC ENABLE RSTSEL RST DAC7565 V REF REF H/V OUT IOV DD V REFL DAC7565 www.ti.com ............................................................................................................................................... SBAS412A – FEBRUARY 2008 – REVISED MARCH 2008 12-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTER with 2.5V, 2ppm/ °C Internal Reference 234 • Relative Accuracy: 0.5LSB The DAC7565 is a low-power, voltage-output, four-channel, 12-bit digital-to-analog converter (DAC). • Glitch Energy: 0.15nV-s The device includes a 2.5V, 2ppm/ °C internal • Internal Reference: reference (enabled by default), giving a full-scale – 2.5V Reference Voltage (enabled by default) output voltage range of 2.5V. The internal reference – 0.004% Initial Accuracy (typ) has an initial accuracy of 0.02% and can source up to 20mA at the VREFH/VREFOUT pin. The device is – 2ppm/ °C Temperature Drift (typ) monotonic, provides very good linearity, and – 5ppm/ °C Temperature Drift (max) minimizes undesired code-to-code transient voltages – 20mA Sink/Source Capability (glitch). The DAC7565 uses a versatile 3-wire serial interface that operates at clock rates up to 50MHz. • Power-On Reset to Zero-Scale or Mid-Scale The interface is compatible with standard SPI™, • Asynchronous Clear to Zero-Scale or QSPI™, Microwire™, and digital signal processor Mid-Scale (DSP) interfaces. • Ultra-Low Power Operation: 1mA at 5V The DAC7565 incorporates a power-on-reset circuit • Wide Power-Supply Range: +2.7V to +5.5V that ensures the DAC output powers up at either zero-scale or mid-scale until a valid code is written to • 12-Bit Monotonic Over Temperature Range the device. The device contains a power-down • Settling Time: 10µs to ±0.024% Full-Scale feature, accessed over the serial interface, that Range (FSR) reduces the current consumption of the device to • Low-Power Serial Interface with 1.3 µA at 5V. Power consumption is 2.9mW at 3V, Schmitt-Triggered Inputs: Up to 50MHz reducing to 1.5 µW in power-down mode. The low power consumption, internal reference, and small • On-Chip Output Buffer Amplifier with footprint make this device ideal for portable, Rail-to-Rail Operation battery-operated equipment. • 1.8V to 5.5V Logic Compatibility The DAC7565 is drop-in and functionally compatible • Temperature Range: –40°C to +105°C with the DAC8165 and DAC8565, and functionally compatible with the DAC7564, DAC8164 and DAC8564. All these devices are available in a • Portable Instrumentation TSSOP-16 package. • Closed-Loop Servo-Control • Process Control, PLCs • Data Acquisition Systems • Programmable Attenuation • PC Peripherals RELATED DEVICES 16-BIT 14-BIT 12-BIT Pin and Functionally DAC8565 DAC8165 DAC7565 Compatible Functionally DAC8564 DAC8164 DAC7564 Compatible 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 SPI, QSPI are trademarks of Motorola, Inc. 3 Microwire is a trademark of National Semiconductor. 4 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008, 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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