TLC5618A - 12 位、2.5us 二路 DAC、串行输入、可编程稳定时间、同步更新、低功耗

TLC5618A是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，TLC5618A是12 位、2.5us 二路 DAC、串行输入、可编程稳定时间、同步更新、低功耗，本站介绍了TLC5618A的封装应用图解、特点和优点、功能等，并给出了与TLC5618A相关的TI元器件型号供参考。

TLC5618A - 12 位、2.5us 二路 DAC、串行输入、可编程稳定时间、同步更新、低功耗 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The TLC5618 is a dual 12-bit voltage output digital-to-analog converter (DAC) with buffered reference inputs (high impedance). The DACs have an output voltage range that is two times the reference voltage, and the DACs are monotonic. The device is simple to use, running from a single supply of 5 V. A power-on reset function is incorporated in the device to ensure repeatable start-up conditions.

Digital control of the TLC5618 is over a 3-wire CMOS-compatible serial bus. The device receives a 16-bit word for programming and producing the analog output. The digital inputs feature Schmitt triggers for high noise immunity. Digital communication protocols include the SPI™, QSPI™, and Microwire™ standards.

Two versions of the device are available. The TLC5618 does not have an internal state machine and is dependent on all external timing signals. The TLC5618A has an internal state machine that counts the number of clocks from the falling edge of CS\ and then updates and disables the device from accepting further data inputs. The TLC5618A is recommended for TMS320 and SPI processors, and the TLC5618 is recommended only for SPI or 3-wire serial port processors. The TLC5618A is backward-compatible and designed to work in TLC5618 designed systems.

The 8-terminal small-outline D package allows digital control of analog functions in space-critical applications. The TLC5618C is characterized for operation from 0°C to 70°C. The TLC5618I is characterized for operation from \x9640°C to 85°C. The TLC5618Q is characterized for operation from \x9640°C to 125°C. The TLC5618M is characterized for operation from \x9655°C to 125°C.

产品特性

Programmable Settling Time to 0.5 LSB 2.5 us or 12.5 us Typ
Two 12-Bit CMOS Voltage Output DACs in an 8-Pin Package
Simultaneous Updates for DAC A and DAC B
Single Supply Operation
3-Wire Serial Interface
High-Impedance Reference Inputs
Voltage Output Range ... 2 Times the Reference Input Voltage
Software Powerdown Mode
Internal Power-On Reset
TMS320 and SPI Compatible
Low Power Consumption:

3 mW Typ in Slow Mode,
8 mW Typ in Fast Mode

Input Data Update Rate of 1.21 MHz
Monotonic Over Temperature
Available in Q-Temp Automotive High Rel Automotive Applications Configuration Control/Print Support Qualification to Automotive Standards
Applications
- Battery Powered Test Instruments
- Digital Offset and Gain Adjustment
- Battery Operated/Remote Industrial Controls
- Machine and Motion Control Devices
- Cellular Telephones

SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corportation

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