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 V_A, 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.

A power-on reset circuit ensures that the DAC outputs power up to zero volts and remain there until there is a valid write to the device. The power-down feature of the DAC128S085 allows each DAC to be independently powered with three different termination options. With all the DAC channels powered down, power consumption reduces to less than 0.3 μW at 3 V and less than 1 µW at 5 V. The low power consumption and small packages of the DAC128S085 make it an excellent choice for use in battery-operated equipment.

The DAC128S085 is one of a family of pin-compatible DACs, including the 8-bit DAC088S085 and the 10-bit DAC108S085. All three parts are offered with the same pinout, allowing system designers to select a resolution appropriate for their application without redesigning their printed circuit board. The DAC128S085 operates over the extended industrial temperature range of –40°C to 125°C.

• 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

• Resolution (Bits)
• 12
• Number of DAC channels (#)
• 8
• Interface type
• SPI
• Output type
• Buffered Voltage
• Settling time (μs)
• 8.5
• Features
• Cost Optimized, Low Power, SDO, Small Size
• Reference type
• Ext
• Architecture
• String
• Rating
• Catalog
• Output range (Max) (mA/V)
• 5.5
• Output range (Min) (mA/V)
• 0
• Operating temperature range (C)
• -40 to 125

DAC128S085的完整型号有：DAC128S085CIMT/NOPB、DAC128S085CIMTX/NOPB、DAC128S085CISQ/NOPB、DAC128S085CISQX/NOPB，以下是这些产品的关键参数及官网采购报价：

DAC128S085CIMT/NOPB，工作温度：-40 to 125，封装：TSSOP (PW)-16，包装数量MPQ：92个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网DAC128S085CIMT/NOPB的批量USD价格：6.098（1000+）

DAC128S085CIMTX/NOPB，工作温度：-40 to 125，封装：TSSOP (PW)-16，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网DAC128S085CIMTX/NOPB的批量USD价格：5.082（1000+）

DAC128S085CISQ/NOPB，工作温度：-40 to 125，封装：WQFN (RGH)-16，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网DAC128S085CISQ/NOPB的批量USD价格：6.098（1000+）

DAC128S085CISQX/NOPB，工作温度：-40 to 125，封装：WQFN (RGH)-16，包装数量MPQ：4500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网DAC128S085CISQX/NOPB的批量USD价格：5.082（1000+）

DAC128S085EVM — 12 位 8 通道·SAR 数模转换器评估模块

DAC128S085EVM是一款演示套件，适用于 12 位 8 通道 8.5µs 趋稳时间串行接口数模转换器 DAC128S085。EVM 可供用户评估 DAC128S085 数据转换器的操作和性能。EVM 采用可直接连接到 MSP430F5529 LaunchPad 板的小尺寸布局。

DAC128S085 IBIS MODEL

PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)

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TINA-TI 提供了 SPICE 所有的传统直流、瞬态和频域分析以及更多。TINA 具有广泛的后处理功能，允许您按照希望的方式设置结果的格式。虚拟仪器允许您选择输入波形、探针电路节点电压和波形。TINA 的原理图捕获非常直观 - 真正的“快速入门”。

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TINA 是德州仪器 (TI) 专有的 DesignSoft 产品。该免费版本具有完整的功能，但不支持完整版 TINA 所提供的某些其他功能。

如需获取可用 TINA-TI 模型的完整列表，请参阅：SpiceRack - 完整列表

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ANALOG-ENGINEER-CALC — 模拟工程师计算器

模拟工程师计算器旨在加快模拟电路设计工程师经常使用的许多重复性计算。该基于 PC 的工具提供图形界面，其中显示各种常见计算的列表（从使用反馈电阻器设置运算放大器增益到为稳定模数转换器 (ADC) 驱动器缓冲器电路选择合适的电路设计元件）。除了可用作单独的工具之外，该计算器还能够很好地与模拟工程师口袋参考书中所述的概念配合使用。 lock = 需要出口许可（1分钟）