DAC5574 - 具有 I2C 接口的 8 位四路数模转换器

DAC5574是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC5574是具有 I2C 接口的 8 位四路数模转换器，本站介绍了DAC5574的封装应用图解、特点和优点、功能等，并给出了与DAC5574相关的TI元器件型号供参考。

DAC5574 - 具有 I2C 接口的 8 位四路数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC5574 is a low-power, quad channel, 8-bit buffered voltage output DAC. Its on-chip precision output amplifier allows rail-to-rail output swing to be achieved. The DAC5574 utilizes an I²C compatible two wire serial interface supporting high-speed interface mode with address support of up to four DAC5574s for a total of 16 channels on the bus.

The DAC5574 uses VDD and GND to set the output range of the DAC. The DAC5574 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 DAC5574 contains a per-channel power-down feature, accessed via the internal control register, reducing the current consumption of the device to 200 nA at 5 V.

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 3mW at VDD = 5 V reducing to 1 µW in power-down mode.

TI offers a variety of data converters with I²C interface. See DACx57x family of 16/12/10/8 bit, single and quad channel DACs. Also see ADS7823 and ADS1100, 12-bit octal channel and 16-bit single channel ADCs.

产品特性

Micropower Operation: 500 µA at 3 V VDD
Fast Update Rate: 188 kSPS
Per-channel Power-down Capability
Power-On Reset to Zero
2.7 V to 5.5 V Analog Power Supply
8-bit Monotonic
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 Four DAC5574s
Synchronous Update Support for up to 16 Channels
Operation From –40°C to 105°C
Small 10 Lead MSOP Package
APPLICATIONS
- Process Control
- Data Acquisition Systems
- Closed-Loop Servo Control
- PC Peripherals
- Portable Instrumentation

I²C is a trademark of Philips Corporation.

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