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DAC8574IPWG4 Datasheet(PDF) 1 Page - Texas Instruments |
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DAC8574IPWG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 45 page ® DAC853 4 www.ti.com FEATURES DESCRIPTION APPLICATIONS Resistor Network 8 18 Data Buffer A DAC Register A Data Buffer D DAC Register D DAC A DAC D Buffer Control Register Control Power-Down Control Logic VOUTA VOUTB VOUTC VOUTD VREFL A0 A1 A2 A3 GND I2C Block SCL SDA LDAC VREFH IOVDD VDD DAC8574 SLAS377B – JANUARY 2003 – REVISED DECEMBER 2004 QUAD, 16-BIT, LOW-POWER, VOLTAGE OUTPUT, I 2 C INTERFACE DIGITAL-TO-ANALOG CONVERTER • Micropower Operation: 950 µA at 5 V VDD The DAC8574 is a low-power, quad channel, 16-bit • Power-On Reset to Zero buffered voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail output swing to be • +2.7-V to +5.5-V Analog Power Supply achieved. The DAC8574 utilizes an I 2C compatible • 16-Bit Monotonic two wire serial interface supporting high-speed • Settling Time: 10µs to ±0.003% FSR interface mode with address support of up to sixteen • I 2C™ Interface Up to 3.4 Mbps DAC8574s for a total of 64 channels on the bus. • Data Transmit Capability The DAC8574 requires an external reference voltage • On-Chip Output Buffer Amplifier, Rail-to-Rail to set the output range of the DAC. The DAC8574 Operation incorporates a power-on-reset circuit that ensures • Double-Buffered Input Register that the DAC output powers up at zero volts and remains there until a valid write takes place to the • Address Support for up to Sixteen DAC8574s device. The DAC8574 contains a power-down fea- • Synchronous Update Support for up to 64 ture, accessed via the internal control register, that Channels reduces the current consumption of the device to 200 • Operation From –40 °C to 105°C nA at 5 V. • Small 16-Lead TSSOP Package The low power consumption of this part in normal operation makes it ideally suited to portable battery operated equipment. The power consumption is less • Process Control than 5 mW at VDD = 5 V reducing to 1 µW in power-down mode. • Data Acquisition Systems • Closed-Loop Servo Control The DAC8574 is available in a 16-lead TSSOP • PC Peripherals package. • Portable Instrumentation 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. I2C is a trademark of Philips Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2004, 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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