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Maxim产品 - MAX11301介绍

MAX11301 - PIXI, 20-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

MAX11301是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX11301是PIXI, 20-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO，本站介绍了MAX11301的封装应用图解、特点和优点、功能等，并给出了与MAX11301相关的Maxim元器件型号供参考。

MAX11301 - PIXI, 20-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO - 数据转换器和采样-保持电路 - Industry's First Configurable High-Voltage Mixed Signal I/O Device Allows User-Defined ADC, DAC, or GPIO Functionality - 美信半导体

产品概述

The MAX11301 integrates a PIXI™, 12-bit, multichannel, analog-to-digital converter (ADC) and a 12-bit, multichannel, buffered digital-to-analog converter (DAC) in a single integrated circuit. This device offers 20 mixed-signal high-voltage, bipolar ports, which are configurable as an ADC analog input, a DAC analog output, a general-purpose input (GPI), a general-purpose output (GPO), or an analog switch terminal. One internal and two external temperature sensors track junction and environmental temperature. Adjacent pairs of ports are configurable as a logic-level translator for open-drain devices or an analog switch.

Custom designs are easily created using the MAX11301 configuration GUI software. Watch this video to learn (Mandarin) how to create a design using the MAX11300 GUI configuration software and the MAX11301 Evaluation Kit.

PIXI ports provide highly flexible hardware configuration for 12-bit mixed-signal applications. The MAX11301 is best suited for applications that demand a mixture of analog and digital functions. Each port is individually configurable with up to four selectable voltage ranges within -10V to +10V.

The MAX11301 allows for the averaging of 2, 4, 8, 16, 32, 64, or 128 ADC samples from each ADC-configured port to improve noise performance. A DAC-configured output port can drive up to 25mA. The GPIO ports can be programmed to user-defined logic levels, and a GPI coupled with a GPO forms a logic-level translator.

Internal and external temperature measurements monitor programmable conditions of minimum and maximum temperature limits, using the interrupt to notify the host if one or more conditions occur. The temperature measurement results are made available through the serial interface.

The MAX11301 features an internal, low-noise 2.5V voltage reference and provides the option to use external voltage references with separate inputs for the DAC and ADC. The MAX11301 uses a 400kHz I²C-compatible serial interface, operating from a 5V analog supply and a 1.8V to 5.0V digital supply. The PIXI port supply voltages operate from a wide -12.0V to +12.0V.

The MAX11301 is available in a 40-pin TQFN, 6mm x 6mm package or a 48-pin TQFP, 9mm x 9mm package specified over the -40°C to +105°C temperature range.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • 20 Configurable Mixed-Signal Ports Maximize Design Flexibility Across Platforms
  • Up to 20 12-Bit ADC Inputs
  • Single-Ended, Differential, or Pseudo-Differential
  • Range Options: 0 to 2.5V, ±5V, 0 to +10V, -10V to 0V
  • Programmable Sample Averaging Per ADC Port
  • Unique Voltage Reference for Each ADC PIXI Port
  • Up to 20 12-Bit DAC Outputs
  • Range Options: ±5V, 0 to +10V, -10V to 0V
  • 25mA Current Drive Capability with Overcurrent Protection
  • Up to 20 General-Purpose Digital I/Os
  • 0 to +5V GPI Input Range
  • 0 to +2.5V GPI Programmable Threshold Range
  • 0 to +10V GPO Programmable Output Range
  • Logic-Level Shifting Between Any Two Pins
  • 60Ω Analog Switch Between Adjacent PIXI Ports
  • Internal/External Temperature Sensors, ±1°C Accuracy
  • Adapts to Specific Application Requirements and Allows for Easy Reconfiguration as System Needs Change
  • Configurability of Functions Enables Optimized PCB Layout
  • Reduces BOM Cost with Fewer Components in Small Footprint
  • 36mm² 40-Pin TQFN
  • 49mm² 48-Pin TQFP
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