Datasheet > MAX11312

MAX11312

更新时间： 2024-12-02 01:23:15

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
54页	3156K
描述
PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

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MAX11312 数据手册

EVALUATION KIT AVAILABLE

MAX11312

PIXI, 12-Port Programmable Mixed-Signal I/O with

12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

General Description

Beneﬁts and Features

● 12 Configurable Mixed-Signal Ports Maximize Design

Flexibility Across Platforms

The MAX11312 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 12 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.

• Up to 12 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 12 12-Bit DAC Outputs

- Range Options: ±5V, 0 to +10V, -10V to 0V

- 25mA Current Drive Capability with Overcurrent

Protection

PIXI ports provide highly flexible hardware configuration

for 12-bit mixed-signal applications. The MAX11312 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 the -10V

to +10V range.

• Up to 12 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

The device 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.

• 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

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.

● Reduces BOM Cost with Fewer Components in a

Small Footprint

• 25mm 32-Pin TQFN

The device 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.

Ordering Information appears at end of data sheet.

The MAX11312 uses a 400kHz I C-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 MAX11312 is available in a 32-pin TQFN, 5mm x 5mm

package specified over the -40°C to +105°C temperature

range.

Applications

● Base-Station RF Power Device Bias Controllers

● System Supervision and Control

● Power-Supply Monitoring

● Industrial Control and Automation

● Control for Optical Components

PIXI is a trademark of Maxim Integrated Products, Inc..

19-7945; Rev 0; 2/16

12 3 4 5 6 7...54

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与MAX11312相关器件

型号	品牌	获取价格	描述	数据表
MAX11312_V01	MAXIM	获取价格	PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches,
MAX11312GTJ	MAXIM	获取价格	PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches,
MAX11312GTJ+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, 5 X 5 MM, ROHS COMPLIANT, TQFN-32
MAX11312GTJ+T	MAXIM	获取价格	PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches,
MAX1132	MAXIM	获取价格	16-Bit ADC, 200ksps, 5V Single-Supply with Reference
MAX1132	ADI	获取价格	16位ADC、200ksps、5V单电源，内置电压基准
MAX11321	MAXIM	获取价格	1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access
MAX11321_V01	MAXIM	获取价格	1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access
MAX11321ATJ+	MAXIM	获取价格	ADC, Successive Approximation, 10-Bit, 1 Func, 4 Channel, Serial Access, 5 X 5 MM, ROHS CO
MAX11322	MAXIM	获取价格	1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with Post-Mux External Signal Conditioning Access

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