DAC8311 - 采用 SC70 封装的 14 位、单通道、80uA、2.0V-5.5V DAC

DAC8311是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC8311是采用 SC70 封装的 14 位、单通道、80uA、2.0V-5.5V DAC，本站介绍了DAC8311的封装应用图解、特点和优点、功能等，并给出了与DAC8311相关的TI元器件型号供参考。

DAC8311 - 采用 SC70 封装的 14 位、单通道、80uA、2.0V-5.5V DAC - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品特性

Relative Accuracy:
- 1 LSB INL (DAC8311: 14-bit)
- 4 LSB INL (DAC8411: 16-bit)
microPower Operation: 80 μA at 2 V
Power-Down: 0.5 μA at 5 V, 0.1 μA at 2 V
Wide Power Supply: 2 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

产品应用

Portable, Battery-Powered instruments
Process Controls
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources

Simplified Schematic

产品说明

The DAC8311 (14-bit) and DAC8411 (16-bit) devices are low-power, single-channel, voltage output digital-to-analog converters (DAC). They 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, 3-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 DAC8311 and DAC8411 contain a power-down feature, accessed over the serial interface, that reduces current consumption of the device to 0.1 μA at 2 V in power down mode. The low power consumption of these devices in normal operation makes it ideally suited for portable, battery-operated equipment. The power consumption is 0.55 mW at 5 V, reducing to 2.5 μW in power-down mode.

These devices are pin-compatible with the DAC5311, DAC6311, and DAC7311, 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 package. This package offers a flexible, pin-compatible, and functionally-compatible drop-in solution within the family over an extended temperature range of –40°C to 125°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DAC8311 DAC8411	SC70 (6)	2.00 mm × 1.25 mm

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