DAC8552数据手册集成电路（IC）的数模转换器（DAC）规格书PDF

描述 Description

The DAC8552 is a 16-bit, dual channel, voltage output digital-to-analog converter (DAC) offering low power operation and a flexible serial host interface. Each on-chip precision output amplifier allows rail-to-rail output swing to be achieved over the supply range of 2.7V to 5.5V. The device supports a standard 3-wire serial interface capable of operating with input data clock frequencies up to 30MHz for VDD = 5V. The DAC8552 requires an external reference voltage to set the output range of each DAC channel. Also incorporated into the device is a power-on reset circuit which ensures that the DAC outputs power up at zero-scale and remain there until a valid write takes place. The DAC8552 provides a flexible power-down feature, accessed over the serial interface, that reduces the current consumption of the device to 700nA at 5V. The low-power consumption of this device in normal operation makes it ideally suited for portable, battery-operated equipment and other low-power applications. The power consumption is 0.5mW per channel at 2.7V, reducing to 1µW in power-down mode. The DAC8552 is available in a MSOP-8 package with a specified operating temperature range of -40°C to +105°C.

特性 Features

• Relative Accuracy: 4LSB
• Glitch Energy: 0.15nV-s
• MicroPower Operation: 155µA per Channel at 2.7V
• Power-On Reset to Zero-Scale
• Power Supply: 2.7V to 5.5V
• 16-Bit Monotonic Over Temperature
• Settling Time: 10µs to ±0.003% FSR
• Ultra-Low AC Crosstalk: -100dB Typ
• Low-Power Serial Interface with Schmitt-Triggered Inputs
• On-Chip Output Buffer Amplifier with Rail-to-Rail Operation
• Double-Buffered Input Architecture
• Simultaneous or Sequential Output Update and Power-down
• Available in a Tiny MSOP-8 Package
• APPLICATIONS
• Portable Instrumentation
• Closed-Loop Servo Control
• Process Control
• Data Acquisition Systems
• Programmable Attenuation
• PC Peripherals

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