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DAC8831IBDG4 Arkusz danych(PDF) 1 Page - Texas Instruments |
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DAC8831IBDG4 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 34 page BurrBrown Products from Texas Instruments OP A132 IVC102 DAC8831 ® 1 FEATURES DESCRIPTION APPLICATIONS DAC DAC8830 SDI SCLK CS V REF DGND V OUT AGND Input Register DAC Latch RFB INV AGNDF AGNDS DGND DAC DAC Latch Input Register DAC8831 DAC8831 Functional Block Diagram DAC8830 Functional Block Diagram + − +V −V OPA277 OPA704 OPA727 SDI SCLK LDAC V OUT V O V DD R FB R INV V REF−F V REF− S V DD CS DAC8830 DAC8831 SLAS449D – FEBRUARY 2005 – REVISED SEPTEMBER 2007 16-Bit, Ultra-Low Power, Voltage-Output Digital-to-Analog Converters 234 • 16-Bit Resolution The DAC8830 and DAC8831 are single, 16-bit, serial-input, voltage-output digital-to-analog • 2.7 V to 5.5 V Single-Supply Operation converters (DACs) operating from a single 3 V to 5 V • Very Low Power: 15 μW for 3 V Power power supply. These converters provide excellent • High Accuracy, INL: 1 LSB linearity (1 LSB INL), low glitch, low noise, and fast • Low Noise: 10 nV/√Hz settling (1.0 μS to 1/2 LSB of full-scale output) over the specified temperature range of –40 °C to +85°C. • Fast Settling: 1.0 μS The output is unbuffered, which reduces the power • Fast SPI™ Interface, up to 50 MHz consumption and the error introduced by the buffer. • Reset to Zero-Code These parts feature a standard high-speed (clock up • Schmitt-Trigger Inputs for Direct Optocoupler to 50 MHz), 3 V or 5 V SPI serial interface to Interface communicate with a DSP or microprocessor. • Industry-Standard Pin Configuration The DAC8830 output is 0 V to VREF. However, the DAC8831 provides bipolar output (±VREF) when working with an external buffer. The DAC8830 and • Portable Equipment DAC8831 are both reset to zero code after power up. For optimum performance, a set of Kelvin • Automatic Test Equipment connections to external reference and analog ground • Industrial Process Control input are provided on the DAC8831. • Data Acquisition Systems The DAC8830 is available in an SO-8 package, and • Optical Networking the DAC8831 in an SO-14 package. Both have industry standard pinouts (see Table 3, the cross-reference table in the Application Information section for details). The DAC8831 is also available in a QFN-14 package. 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 Corp. 4 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2007, 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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