DAC8541 - 具有 1.8V 兼容并行接口和轨至轨电压输出的低功耗 16 位数模转换器

DAC8541是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC8541是具有 1.8V 兼容并行接口和轨至轨电压输出的低功耗 16 位数模转换器，本站介绍了DAC8541的封装应用图解、特点和优点、功能等，并给出了与DAC8541相关的TI元器件型号供参考。

DAC8541 - 具有 1.8V 兼容并行接口和轨至轨电压输出的低功耗 16 位数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC8541 is a low-power, single 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 DAC8541 utilizes a 16-bit parallel interface and features additional powerdown function pins as well as hardware-enabled, asynchronous DAC updating and reset capability.

The DAC8541 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 output powers up at min-scale and remains there until a valid write takes place to the device. In addition, the DAC8541 contains a power-down feature, accessed via two hardware pins, that when enabled reduces the current consumption of the device to 200 nA at 5 V.

The low power consumption of this device in normal operation makes it ideally suited for use in portable battery operated equipment applications. The power consumption is 1.2 mW at AVDD = 5 V reducing to 1 uW in power-down mode.

The DAC8541 is available in a 32-lead TQFP package with an operating temperature range of –40°C to 85°C.

产品特性

Micropower Operation: 250 uA at 5 V AVDD
Power-On Reset to Min-Scale
16-Bit Monotonic
Settling Time: 10 us to ±0.003% FSR
16-Bit Parallel Interface
On-Chip Output Buffer Amplifier With Rail-to-Rail Operation
Hardware Reset to Min-Scale or Mid-Scale
Double-Buffered Architecture
Asynchronous LDAC Control
Data Readback Support
1.8 V Compatible Digital Interface:
- DVDD = 1.8 V–5.5 V
Wide Analog Supply Range:
- AVDD = 2.7 V–5.5 V
32-Lead 5 mm × 5 mm TQFP Package
APPLICATIONS
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo Control
- PC Peripherals
- Portable Instrumentation

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