DAC084S085 - 具有轨至轨输出的 8 位微功耗四路数模转换器

DAC084S085是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC084S085是具有轨至轨输出的 8 位微功耗四路数模转换器，本站介绍了DAC084S085的封装应用图解、特点和优点、功能等，并给出了与DAC084S085相关的TI元器件型号供参考。

DAC084S085 - 具有轨至轨输出的 8 位微功耗四路数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC084S085 is a full-featured, general purpose QUAD 8-bit voltage-output digital-to-analog converter (DAC) that can operate from a single +2.7V to 5.5V supply and consumes 1.1 mW at 3V and 2.5 mW at 5V. The DAC084S085 is packaged in 10-lead SON and VSSOP packages. The 10-lead SON package makes the DAC084S085 the smallest QUAD DAC in its class. The on-chip output amplifier allows rail-to-rail output swing and the three wire serial interface operates at clock rates up to 40 MHz over the entire supply voltage range. Competitive devices are limited to 25 MHz clock rates at supply voltages in the 2.7V to 3.6V range. The serial interface is compatible with standard SPI, QSPI, MICROWIRE and DSP interfaces.

The reference for the DAC084S085 serves all four channels and can vary in voltage between 1V and VA, providing the widest possible output dynamic range. The DAC084S085 has a 16-bit input shift register that controls the outputs to be updated, the mode of operation, the powerdown condition, and the binary input data. All four outputs can be updated simultaneously or individually depending on the setting of the two mode of operation bits.

A power-on reset circuit ensures that the DAC output powers up to zero volts and remains there until there is a valid write to the device. A power-down feature reduces power consumption to less than a microWatt with three different termination options.

The low power consumption and small packages of the DAC084S085 make it an excellent choice for use in battery operated equipment.

The DAC084S085 is one of a family of pin compatible DACs, including the 10-bit DAC104S085 and the 12-bit DAC124S085. The DAC084S085 operates over the extended industrial temperature range of −40°C to +105°C.

产品特性

Ensured Monotonicity
Low Power Operation
Rail-to-Rail Voltage Output
Power-on Reset to 0V
Simultaneous Output Updating
Wide power supply range (+2.7V to +5.5V)
Industry's Smallest Package
Power Down Modes

Key Specifications

Resolution: 8 bits
INL: ±0.5 LSB (max)
DNL: +0.18 / −0.13 LSB (max)
Setting Time: 4.5 µs (max)
Zero Code Error: +15 mV (max)
Full-Scale Error: −0.75 %FS (max)
Supply Power:
- Normal: 1.1 mW (3V) / 2.5 mW (5V) typ
- Power Down: 0.3 µW (3V) / 0.8 µW (5V) typ

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