DAC8881 - 单通道 16 位低噪声电压输出数模转换器

DAC8881是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC8881是单通道 16 位低噪声电压输出数模转换器，本站介绍了DAC8881的封装应用图解、特点和优点、功能等，并给出了与DAC8881相关的TI元器件型号供参考。

DAC8881 - 单通道 16 位低噪声电压输出数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC8881 is a 16-bit, single-channel, voltage-output digital-to-analog converter (DAC) that offers low-power operation and a flexible SPI serial interface. It also features 16-bit monotonicity, excellent linearity, and fast settling time. The on-chip precision output amplifier allows rail-to-rail output swing to be achieved over the full supply range of 2.7V to 5.5V.

The device supports a standard SPI serial interface capable of operating with input data clock frequencies up to 50MHz. The DAC8881 requires an external reference voltage to set the output range of the DAC channel. A programmable power-on reset circuit is also incorporated into the device to ensure that the DAC output powers up at zero-scale or midscale, and remains there until a valid write command.

Additionally, the device has the capability to function in either unipolar straight binary or 2's complement mode. The DAC8881 provides a power-down feature, accessed over the PDN pin, that reduces the current consumption to 25µA at 5V. Power consumption is 6mW at 5V, reducing to 125µW in power-down mode.

The DAC8881 is available in a 4x4mm QFN-24 package with a specified operating temperature range of -40°C to +105°C.

产品特性

Relative Accuracy: ±0.5 LSB
16-Bit Monotonic Over Temperature Range
Low-Noise: 24nV/Hz
Fast Settling: 5µs
On-Chip Output Buffer Amplifier withRail-to-Rail Operation
Wide, Single Power Supply: +2.7V to +5.5V
DAC Loading Control
Selectable Power-On Reset to Zero-Scale or Midscale
Power-Down Mode
Unipolar Straight Binary or 2's Complement Input Mode
Fast SPI™ Interface with Schmitt-Triggered Inputs: Up To 50MHz, 1.8V/3V/5V Logic
Small Package: QFN-24, 4x4mm
APPLICATIONS
- Industrial Process Control
- Data Acquisition Systems
- Automatic Test Equipment
- Communications
- Optical Networking

DSP is a trademark of Texas Instruments. SPI, QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor. All other trademarks are the property of their respective owners.

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