DAC8574 - 低功耗四路轨至轨输出 16 位 I2C 输入 DAC

DAC8574是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC8574是低功耗四路轨至轨输出 16 位 I2C 输入 DAC，本站介绍了DAC8574的封装应用图解、特点和优点、功能等，并给出了与DAC8574相关的TI元器件型号供参考。

DAC8574 - 低功耗四路轨至轨输出 16 位 I2C 输入 DAC - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC8574 is a low-power, quad channel, 16-bit buffered voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The DAC8574 utilizes an I²C compatible two wire serial interface supporting high-speed interface mode with address support of up to sixteen DAC8574’s for a total of 64 channels on the bus.

The DAC8574 requires an external reference voltage to set the output range of the DAC. The DAC8574 incorporates a power-on-reset circuit that ensures that the DAC output powers up at zero volts and remains there until a valid write takes place to the device. The DAC8574 contains a power-down feature, accessed via the internal control register, that reduces the current consumption of the device to 200nA at 5V.

The low power consumption of this part in normal operation makes it ideally suited to portable battery operated equipment. The power consumption is less than 5mW at VDD = 5V reducing to 1µW in power-down mode.

The DAC8574 is available in an 16-lead TSSOP package.

产品特性

MicroPower Operation: 950 µA at 5 V VDD
Power-On Reset to Zero
+2.7 V to +5.5 V Analog Power Supply
16-Bit Monotonic
Settling Time: 10µs to ±0.003% FSR
I²C™ Interface Up to 3.4 Mbps
Data Transmit Capability
On-Chip Output Buffer Amplifier, Rail-to-Rail Operation
Double-Buffered Input Register
Address Support for up to Sixteen DAC8574s
Synchronous Update Support for up to 64 Channels
Operation From –40°C to 105°C
Small 16 Lead TSSOP Package
APPLICATIONS
- Process Control
- Data Acquistion Systems
- Closed-Loop Servo Control
- PC Peripherals
- Portable Instrumentation

I²C is a trademark of Philips Corporation.

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