DAC8544 - 四路 16 位四路轨至轨电压输出并行接口数模转换器

DAC8544是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC8544是四路 16 位四路轨至轨电压输出并行接口数模转换器，本站介绍了DAC8544的封装应用图解、特点和优点、功能等，并给出了与DAC8544相关的TI元器件型号供参考。

DAC8544 - 四路 16 位四路轨至轨电压输出并行接口数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC8544 is a low-power, quad-channel, 16-bit, voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail voltage swing to be achieved at the output. The DAC8544 is 16-bit monotonic and offers exceptional absolute accuracy with ultralow crosstalk. The DAC8544 uses a 16-bit parallel interface and features additional power-down function pins as well as hardware-enabled, synchronous DAC updating and reset capability.

The DAC8544 requires an external reference voltage to set the output range of the DAC. The device incorporates a power-on-reset circuit that ensures that the DAC outputs power up at zero volt and remains there until a valid write takes place. In addition, the DAC8544 contains a power-down feature, accessed via PD\ pin, that reduces the current consumption of the device to 400 nA at 5 V. The power consumption is typically under 5 mW at VDD = 5 V.

The DAC8544 is available in a 48-lead TQFP package with an operating temperature range of –40°C to +105°C.

产品特性

Single Supply: +2.7 V to +5.5 V
Micropower Operation: 950 µA @ 5 V
Rail-To-Rail Voltage Output
Ultralow Crosstalk: –110 dB
Settling Time: 10 µs To ±0.003% FSR
16-Bit Monotonic
Offset Error: ±0.3 mV
Gain Error: ±1 mV
Total Error: ±3 mV
Per-Channel VREF+, VREF–, VFB Pins
Logic Compatible: +1.8 V to +5.5 V
Readback Capability
Double Buffered Inputs
Simultaneous or Sequential Update
Schmitt-Triggered Digital Inputs
Hardware Reset
48-Lead TQFP Package
APPLICATIONS
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo Control
- PC Peripherals
- Optical Networking

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