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集成型精密 ADC 和 DAC

LMP92018

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用于模拟监视和控制的集成多通道 ADC 和 DAC

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数据表

LMP92018

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数据表 立即订购

产品详情

Number of ADC channels 8 ADC resolution (bps) 10 Number of DAC channels 4 DAC resolution (bps) 10 Temperature sensing Local Number of GPIOs 12 Interface type SPI Operating temperature range (°C) -40 to 125 Rating Catalog ADC sampling rate (ksps) 500 ADC analog input range (min) (V) 0 ADC analog input range (max) (V) 5 DAC settling time (µs) 20 DAC output full-scale (min) (V) 0 DAC output full-scale (max) (V) 5
Number of ADC channels 8 ADC resolution (bps) 10 Number of DAC channels 4 DAC resolution (bps) 10 Temperature sensing Local Number of GPIOs 12 Interface type SPI Operating temperature range (°C) -40 to 125 Rating Catalog ADC sampling rate (ksps) 500 ADC analog input range (min) (V) 0 ADC analog input range (max) (V) 5 DAC settling time (µs) 20 DAC output full-scale (min) (V) 0 DAC output full-scale (max) (V) 5
WQFN (NJK) 36 36 mm² (6 mm × 6 mm)
  • 8 ANALOG VOLTAGE MONITORING CHANNELS
    • 10-Bit ADC with Programmable Input MUX
    • Internal/External Reference
    • Tolerates High-Source Impedance at Lower Sampling Rates
  • 4 PROGRAMMABLE ANALOG VOLTAGE OUTPUTS
    • Four 10-Bit DACs
    • Internal/External Reference
    • Drives Loads up to 1nF
  • VOLTAGE REFERENCE
    • User-Selectable Source: External or Internal
    • Internal Reference 2.5V
  • TEMPERATURE SENSOR
    • ±2.5°C Accuracy
  • 12-BIT GPIO PORT
    • Each Bit Individually Programmable
    • User-Selectable Rail
  • SPI-COMPATIBLE BUS
    • User-Selectable Rail

All trademarks are the property of their respective owners.

  • 8 ANALOG VOLTAGE MONITORING CHANNELS
    • 10-Bit ADC with Programmable Input MUX
    • Internal/External Reference
    • Tolerates High-Source Impedance at Lower Sampling Rates
  • 4 PROGRAMMABLE ANALOG VOLTAGE OUTPUTS
    • Four 10-Bit DACs
    • Internal/External Reference
    • Drives Loads up to 1nF
  • VOLTAGE REFERENCE
    • User-Selectable Source: External or Internal
    • Internal Reference 2.5V
  • TEMPERATURE SENSOR
    • ±2.5°C Accuracy
  • 12-BIT GPIO PORT
    • Each Bit Individually Programmable
    • User-Selectable Rail
  • SPI-COMPATIBLE BUS
    • User-Selectable Rail

All trademarks are the property of their respective owners.

LMP92018 is a complete analog monitoring and control circuit which integrates an eight channel 10-bit Analog-to-Digital Converter (ADC), four 10-bit Digital-to-Analog Converters (DACs), an internal reference, an internal temperature sensor, a12-bit GPIO port, and a 10MHz SPI interface.

The eight channels of the ADC can be used to monitor rail voltages, current sense amplifier outputs, health monitors or sensors while the four DACs can be used to control PA (Power Amplifier) bias points, control actuators, potentiometers, etc.

Both the ADC and DACs can use either the internal 2.5V reference or an external reference independently allowing for flexibility in system design.

The built-in digital temperature sensor enables accurate (±2.5°C) local temperature measurement whose value is captured in the user accessible register.

The LMP92018 also includes a 12-bit GPIO port which allows for the resources of the microcontroller to be further extended, thus providing even more flexibility and reducing the number of signal interfacing to the microcontroller.

Both the GPIO port and the SPI compatible interface have independent supply pins enabling the LMP92018 to interface with low voltage microcontrollers.

The LMP92018 is available in a space saving 36-pin WQFN package and is specified over the full -30°C to +85°C temperature range.

LMP92018 is a complete analog monitoring and control circuit which integrates an eight channel 10-bit Analog-to-Digital Converter (ADC), four 10-bit Digital-to-Analog Converters (DACs), an internal reference, an internal temperature sensor, a12-bit GPIO port, and a 10MHz SPI interface.

The eight channels of the ADC can be used to monitor rail voltages, current sense amplifier outputs, health monitors or sensors while the four DACs can be used to control PA (Power Amplifier) bias points, control actuators, potentiometers, etc.

Both the ADC and DACs can use either the internal 2.5V reference or an external reference independently allowing for flexibility in system design.

The built-in digital temperature sensor enables accurate (±2.5°C) local temperature measurement whose value is captured in the user accessible register.

The LMP92018 also includes a 12-bit GPIO port which allows for the resources of the microcontroller to be further extended, thus providing even more flexibility and reducing the number of signal interfacing to the microcontroller.

Both the GPIO port and the SPI compatible interface have independent supply pins enabling the LMP92018 to interface with low voltage microcontrollers.

The LMP92018 is available in a space saving 36-pin WQFN package and is specified over the full -30°C to +85°C temperature range.
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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 LMP92018 Analog System Monitor and Controller 数据表 (Rev. B) 2013-5-2
用户指南 LMP92018 Analog System Monitor and Controller User's Guide 2012-2-26

设计与开发

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仿真模型

LMP92018 IBIS Model

SNAM074.ZIP (105 KB) - IBIS 模型
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
WQFN (NJK) 36 Ultra Librarian
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