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MAX5174 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX5174 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. General Description The MAX5174/MAX5176 low-power, serial, voltage-out- put, 12-bit digital-to-analog converters (DACs) feature a precision output amplifier in a space-saving 16-pin QSOP package. The MAX5174 operates from a single +5V supply, and the MAX5176 operates from a single +3V supply. Both devices draw only 280µA of supply current, which reduces to 1µA in shutdown. In addition, the programmable power-up reset feature allows for a user-selectable output voltage state of either 0 or mid- scale. The 3-wire, digital, serial interface is compatible with SPI™/QSPI™, and MICROWIRE™ standards. An input register followed by a DAC register provides a double- buffered input, allowing the input and DAC registers to be updated independently or simultaneously with a 16- bit serial word. Additional features include software and hardware shutdown, shutdown lockout, a hardware clear pin, and a reference input capable of accepting DC and offset AC signals. These devices provide a pro- grammable digital output pin for added functionality and a serial-data output pin for daisy-chaining. All logic inputs are TTL/CMOS compatible and are internally buffered with Schmitt triggers to allow direct interfacing to optocouplers. The MAX5174/MAX5176 incorporate a proprietary on- chip circuit that keeps the output voltage virtually “glitch free,” limiting the glitches to a few millivolts dur- ing power-up. Both devices are available in 16-pin QSOP packages and are specified for the extended (-40°C to +85°C) temperature range. The MAX5170/MAX5172 are pin- compatible 14-bit upgrades to the MAX5174/MAX5176. For 100% pin-compatible DACs with internal reference, see the 13-bit MAX5130/MAX5131 and the 12-bit MAX5120/MAX5121 data sheets. Applications Industrial Process Controls Digital Offset and Gain Adjustment Motion Control Automatic Test Equipment (ATE) Remote Industrial Controls µP-Controlled Systems Features o ±1 LSB INL o 1µA Shutdown Current o “Glitch Free” Output Voltage at Power-Up o Single-Supply Operation +5V (MAX5174) +3V (MAX5176) o Full-Scale Output Range +2.048V (MAX5176, VREF = +1.25V) +4.096V (MAX5174, VREF = +2.5V ) o Rail-to-Rail® Output Amplifier o Adjustable Output Offset o Low THD (-80dB) in Multiplying Operation o SPI/QSPI/MICROWIRE-Compatible 3-Wire Serial Interface o Programmable Shutdown Mode and Power-Up Reset o Buffered Output Capable of Driving 5k Ω || 100pF Loads o User-Programmable Digital Output Pin Allows Serial Control of External Components o 14-Bit Upgrades Available (MAX5170/MAX5172) Low-Power, Serial, 12-Bit DACs with Voltage Output ________________________________________________________________ Maxim Integrated Products 1 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 OS VDD N.C. REF AGND PDL UPO DOUT DGND TOP VIEW MAX5174 MAX5176 QSOP OUT RS CS SHDN CLR DIN SCLK 19-1475; Rev 0; 4/99 PART MAX5174AEEE MAX5174BEEE MAX5176AEEE -40°C to +85°C -40°C to +85°C -40°C to +85°C TEMP. RANGE PIN-PACKAGE 16 QSOP 16 QSOP 16 QSOP Pin Configuration Ordering Information MAX5176BEEE -40°C to +85°C 16 QSOP INL (LSB) ±1 ±2 ±2 ±4 Functional Diagram appears at end of data sheet. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. |
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