DAC128S085 - 具有轨至轨输出的 12 位微功耗八路数模转换器

DAC128S085是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC128S085是具有轨至轨输出的 12 位微功耗八路数模转换器，本站介绍了DAC128S085的封装应用图解、特点和优点、功能等，并给出了与DAC128S085相关的TI元器件型号供参考。

DAC128S085 - 具有轨至轨输出的 12 位微功耗八路数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品特性

Ensured Monotonicity
Low Power Operation
Rail-to-Rail Voltage Output
Daisy-Chain Capability
Power-on Reset to 0 V
Simultaneous Output Updating
Individual Channel Power-Down Capability
Wide Power Supply Range (2.7 V to 5.5 V)
Dual Reference Voltages With Range of 0.5 V to VA
Operating Temperature Range of −40°C to 125°C
Smallest Package in the Industry
Resolution 12 Bits
INL ±8 LSB (Maximum)
DNL 0.75 / −0.4 LSB (Maximum)
Settling Time 8.5 μs (Maximum)
Zero Code Error 15 mV (Maximum)
Full-Scale Error −0.75 %FSR (Maximum)
Supply Power
- 1.95 mW (3 V) / 4.85 mW (5 V) Typical
- Power Down 0.3 μW (3 V) / 1 μW (5 V) Typical

产品应用

Battery-Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
Voltage Reference for ADCs
Sensor Supply Voltage
Range Detectors

产品说明

The DAC128S085 is a full-featured, general-purpose OCTAL 12-bit voltage-output digital-to-analog converter (DAC) that can operate from a single 2.7-V 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 16-lead WQFN package and a 16-lead TSSOP package. The WQFN package makes the DAC128S085 the smallest OCTAL DAC in its class. The on-chip output amplifiers allow rail-to-rail output swing, and the 3-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 2.7-V to 3.6-V range. The serial interface is compatible with standard SPI™, QSPI, MICROWIRE, and DSP interfaces. The DAC128S085 also offers daisy-chain operation, where an unlimited number of DAC128S085s can be updated simultaneously using a single serial interface.

There are two references for the DAC128S085. One reference input serves channels A through D, while the other reference serves channels E through H. Each reference can be set independently between 0.5 V and VA, providing the widest possible output dynamic range. The DAC128S085 has a 16-bit input shift register that controls the mode of operation, the power-down condition, and the register/output value of the DAC channels. All eight DAC outputs can be updated simultaneously or individually.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DAC128S085	TSSOP (16)	5.00 mm × 4.4 mm
DAC128S085	WQFN (16)	4.00 mm × 4.00 mm

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