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DAC128S085 Datasheet(PDF) 1 Page - Texas Instruments |
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DAC128S085 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 35 page OUTA OUTB OUTC OUTD OUTE OUTF OUTG OUTH GND 4-wire SPI MCU (Master) VREF1 VREF2 VDD 2 Individual References independent of VDD Digital I/O tolerant of Master to DAC rail potential mismatch Wide supply range Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DAC128S085 SNAS407H – AUGUST 2007 – REVISED APRIL 2015 DAC128S085 12-Bit Micro-Power OCTAL Digital-to-Analog Converter With Rail-to-Rail Outputs 1 Features 3 Description The DAC128S085 is a full-featured, general-purpose 1 • Ensured Monotonicity OCTAL 12-bit voltage-output digital-to-analog • Low Power Operation converter (DAC) that can operate from a single 2.7-V • Rail-to-Rail Voltage Output to 5.5-V supply and consumes 1.95 mW at 3 V and 4.85 mW at 5 V. The DAC128S085 is packaged in a • Daisy-Chain Capability 16-lead WQFN package and a 16-lead TSSOP • Power-on Reset to 0 V package. The WQFN package makes the • Simultaneous Output Updating DAC128S085 the smallest OCTAL DAC in its class. The on-chip output amplifiers allow rail-to-rail output • Individual Channel Power-Down Capability swing, and the 3-wire serial interface operates at • Wide Power Supply Range (2.7 V to 5.5 V) clock rates up to 40 MHz over the entire supply • Dual Reference Voltages With Range of 0.5 V to voltage range. Competitive devices are limited to 25- VA MHz clock rates at supply voltages in the 2.7-V to • Operating Temperature Range of −40°C to 125°C 3.6-V range. The serial interface is compatible with standard SPI™, QSPI, MICROWIRE, and DSP • Smallest Package in the Industry interfaces. The DAC128S085 also offers daisy-chain • Resolution 12 Bits operation, where an unlimited number of • INL ±8 LSB (Maximum) DAC128S085s can be updated simultaneously using a single serial interface. • DNL 0.75 / −0.4 LSB (Maximum) • Settling Time 8.5 μs (Maximum) There are two references for the DAC128S085. One reference input serves channels A through D, while • Zero Code Error 15 mV (Maximum) the other reference serves channels E through H. • Full-Scale Error −0.75 %FSR (Maximum) Each reference can be set independently between • Supply Power 0.5 V and VA, providing the widest possible output dynamic range. The DAC128S085 has a 16-bit input – 1.95 mW (3 V) / 4.85 mW (5 V) Typical shift register that controls the mode of operation, the – Power Down 0.3 μW (3 V) / 1 μW (5 V) Typical power-down condition, and the register/output value of the DAC channels. All eight DAC outputs can be 2 Applications updated simultaneously or individually. • Battery-Powered Instruments Device Information(1) • Digital Gain and Offset Adjustment PART NUMBER PACKAGE BODY SIZE (NOM) • Programmable Voltage and Current Sources TSSOP (16) 5.00 mm × 4.4 mm • Programmable Attenuators DAC128S085 WQFN (16) 4.00 mm × 4.00 mm • Voltage Reference for ADCs (1) For all available packages, see the orderable addendum at • Sensor Supply Voltage the end of the datasheet. • Range Detectors Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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