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DAC7564 データシート(PDF) 1 Page - Texas Instruments |
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DAC7564 データシート(HTML) 1 Page - Texas Instruments |
1 / 47 page DAC8165 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 14-BitDAC 14-BitDAC 14-BitDAC 14-BitDAC V A OUT V B OUT V C OUT V D OUT GND LDAC ENABLE RSTSEL RST DAC8165 V REF REF H/V OUT IOV DD V REFL DAC8165 www.ti.com SBAS409B – FEBRUARY 2008 – REVISED MARCH 2011 14-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output Digital-to-Analog Converter with 2.5V, 2ppm/ °C Internal Reference Check for Samples: DAC8165 1 FEATURES DESCRIPTION The DAC8165 is a low-power, voltage-output, 234 • Relative Accuracy: 1LSB four-channel, 14-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 output voltage range of 2.5V. The internal reference – 2.5V Reference Voltage (enabled by default) has an initial accuracy of 0.004% and can source up – 0.004% Initial Accuracy (typ) to 20mA at the VREFH/VREFOUT pin. The device is – 2ppm/°C Temperature Drift (typ) monotonic, provides very good linearity, and minimizes undesired code-to-code transient voltages – 5ppm/°C Temperature Drift (max) (glitch). The DAC8165 uses a versatile 3-wire serial – 20mA Sink/Source Capability 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 ™, QSPI ™, Microwire™, and digital signal processor • Asynchronous Clear to Zero-Scale or (DSP) interfaces. Mid-Scale • Ultra-Low Power Operation: 1mA at 5V The DAC8165 incorporates a power-on-reset circuit that ensures the DAC output powers up at either • Wide Power Supply Range: +2.7V to +5.5V zero-scale or mid-scale until a valid code is written to • 14-Bit Monotonic Over Temperature Range the device. The device contains a power-down • Settling Time: 10 μs to ±0.006% Full-Scale feature, accessed over the serial interface, that Range (FSR) reduces the current consumption of the device to 1.3 μA at 5V. Power consumption is 2.6mW at 3V, • Low-Power Serial Interface with reducing to 1.4 μW in power-down mode. The low Schmitt-Triggered Inputs: Up to 50MHz 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 DAC8165 is drop-in and functionally compatible • Temperature Range: –40°C to +105°C with the DAC7565 and DAC8565, and functionally compatible with the DAC7564, DAC8164 and APPLICATIONS DAC8564. All these devices are available in a TSSOP-16 package. • Portable Instrumentation • 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 © 2008–2011, 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. |
同様の部品番号 - DAC7564 |
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同様の説明 - DAC7564 |
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