DAC7578 - 12 位、8 通道、超低短时脉冲波形干扰、电压输出、2 线接口 DAC

DAC7578是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC7578是12 位、8 通道、超低短时脉冲波形干扰、电压输出、2 线接口 DAC，本站介绍了DAC7578的封装应用图解、特点和优点、功能等，并给出了与DAC7578相关的TI元器件型号供参考。

DAC7578 - 12 位、8 通道、超低短时脉冲波形干扰、电压输出、2 线接口 DAC - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC5578 (8 bit), DAC6578 (10 bit), and DAC7578 (12 bit) are low-power, voltage-output, octal channel, digital-to-analog converters (DACs). The devices are monolithic, provide good linearity,and minimize undesired code-to-code transient voltages (glitch).

The devices use a versatile, 2-wire serial interface that is I2C-compatible and operates at clock rates of up to 3.4MHz. Multiple devices can share the same bus.

The devices incorporate a power-on-reset (POR) circuit that ensures the DAC output powers up to zero-scale or midscale until a valid code is written to the device. These devices also contain a power-down feature, accessed through the serial interface, that reduces the current consumption of the devices to typically 0.42µA at 5V. Power consumption is typically 2.32mW at 3V, reducing to 0.68µW in power-down mode. The low power consumption and small footprint make these devices ideal for portable, battery-operated equipment.

The DAC5578, DAC6578, and DAC7578 are drop-in and functionally-compatible with the DAC7678. All devices are available in a 4x4, QFN-24 package and a TSSOP-16 package.

产品特性

Relative Accuracy:
- DAC5578 (8 bit): 0.25LSB INL
- DAC6578 (10 bit): 0.5LSB INL
- DAC7578 (12 bit): 1LSB INL
Glitch Energy: 0.15nV-s
Power-On Reset to Zero Scale or Midscale
- Devices in the TSSOP Package Reset to Zero Scale
- Devices in the QFN Package Reset to Zero Scale or Midscale
Ultra-Low Power Operation: 0.13mA/ch at 5V
Wide Power-Supply Range: +2.7V to +5.5V
2-Wire Serial Interface (I2C™ compatible)
Temperature Range: –40°C to +125°C
APPLICATIONS
- Portable Instrumentation
- Closed-Loop Servo Control
- Process Control
- Data Acquisition Systems

I2C is a trademark of NXP Semiconductors. All other trademarks are the property of their respective owners.

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