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精密 DAC (≤10 MSPS)

DAC8574

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低功耗四路轨到轨输出 16 位 I2C 输入 DAC

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DAC8574

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产品详情

Resolution (Bits) 16 Number of DAC channels 4 Interface type I2C Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 64 Settling time (µs) 10 Reference type Ext Architecture String Rating Catalog Sample/update rate (Msps) 0.043 Power consumption (typ) (mW) 2.7 Operating temperature range (°C) -40 to 105 Product type Precision DAC
Resolution (Bits) 16 Number of DAC channels 4 Interface type I2C Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 64 Settling time (µs) 10 Reference type Ext Architecture String Rating Catalog Sample/update rate (Msps) 0.043 Power consumption (typ) (mW) 2.7 Operating temperature range (°C) -40 to 105 Product type Precision DAC
TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm)
  • 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.
  • 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.

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.

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.
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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 Quad 16-Bit Low Power Voltage Output I2C Interface Digital-to-Analog Converter 数据表 (Rev. B) 2004-12-13
应用手册 A Basic Guide to I2C PDF | HTML 2022-11-8

设计与开发

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评估板

DAC8574EVM — DAC8574 评估模块

The DAC8574EVM is a simple evaluation module designed for quick and easy way to evaluate the functionality and performance of the high resolution, quad-channel, serial ( I2C™) input DAC8574. The EVM has a I2C™ interface that will allow communication with any host microprocessor or TI (...)

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支持软件

DXP — DXP EVM GUI

DAC Exerciser Program (DXP) 是德州仪器 (TI) 的软件工具，无需昂贵的信号发生器即可评估 DAC，也无需编写复杂的软件。与德州仪器 (TI) DAC EVM 和模块化主板配合使用时，它可以轻松简单地生成 DAC 的数字信号，以生成用于测量和评估的模拟输出。

支持的产品和硬件
设计工具

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
TSSOP (PW) 16 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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