DAC7311 - 采用 SC70 的低功率单通道 1.8V 至 5.5V、80mA、8 位、10 位和 12 位 DAC

DAC7311是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC7311是采用 SC70 的低功率单通道 1.8V 至 5.5V、80mA、8 位、10 位和 12 位 DAC，本站介绍了DAC7311的封装应用图解、特点和优点、功能等，并给出了与DAC7311相关的TI元器件型号供参考。

DAC7311 - 采用 SC70 的低功率单通道 1.8V 至 5.5V、80mA、8 位、10 位和 12 位 DAC - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC5311 (8-bit), DAC6311 (10-bit), and DAC7311 (12-bit) devices are low-power, single-channel, voltage output digital-to-analog converters (DACs). The low power consumption of these devices in normal operation (0.55 mW at 5 V, reducing to 2.5 µW in power-down mode) makes it ideally suited for portable, battery-operated applications.

These devices are monotonic by design, provide excellent linearity, and minimize undesired code-to-code transient voltages while offering an easy upgrade path within a pin-compatible family. All devices use a versatile, three-wire serial interface that operates at clock rates of up to 50 MHz and is compatible with standard SPI™, QSPI™, Microwire, and digital signal processor (DSP) interfaces.

All devices use an external power supply as a reference voltage to set the output range. The devices incorporate a power-on reset (POR) circuit that ensures the DAC output powers up at 0 V and remains there until a valid write to the device occurs. The DAC5311, DAC6311, and DAC7311 contain a power-down feature, accessed over the serial interface, that reduces current consumption of the device to 0.1 µA at 2.0 V in power-down mode.

These devices are pin-compatible with the DAC8311 and DAC8411, offering an easy upgrade path from 8-, 10-, and 12-bit resolution to 14- and 16-bit. All devices are available in a small, 6-pin, SC70 (SOT) package. This package offers a flexible, pin- and function-compatible, drop-in solution within the family over an extended temperature range of –40°C to +125°C.

产品特性

Relative Accuracy:
- 0.25 LSB INL (DAC5311: 8-Bit)
- 0.5 LSB INL (DAC6311: 10-Bit)
- 1 LSB INL (DAC7311: 12-Bit)
microPower Operation: 80 µA at 2.0 V
Power-Down: 0.5 µA at 5 V, 0.1 µA at 2.0 V
Wide Power Supply: 2.0 V to 5.5 V
Power-On Reset to Zero Scale
Straight Binary Data Format
Low Power Serial Interface With Schmitt- Triggered Inputs: up to 50 MHz
On-Chip Output Buffer Amplifier, Rail-to-Rail Operation
SYNC Interrupt Facility
Extended Temperature Range –40°C to +125°C
Pin-Compatible Family in a Tiny, 6-Pin SC70 Package

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