MAX11311GTJ+ by Analog Devices

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


The MAX11311 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 highvoltage, 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. PIXI ports provide highly flexible hardware configuration for 12-bit mixed-signal applications. The MAX11311 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 MAX11311 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 MAX11311 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 device uses a 4-wire, 20MHz, SPI-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 range of -12.0V to +12.0V. The MAX11311 is available in a 32-pin TQFN, 5mm x 5mm package or a 48-pin TQFP, 7mm x 7mm package specified over the -40°C to +105°C temperature range. FAQs: MAX11300

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Prices starting from US$4.92

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Features

12 Configurable Mixed-Signal Ports Maximize Design Flexibility Across Platforms 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 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 60Ω Analog Switch Between Adjacent PIXI Ports Internal/External Temperature Sensors, ±1°C Accuracy
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
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
Range Options: ±5V, 0 to +10V, -10V to 0V
25mA Current Drive Capability with Overcurrent Protection
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
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 25mm2 32-Pin TQFN
25mm2 32-Pin TQFN

Specifications

Resolution (bits) 12
# Channels 12
Interface Serial - SPI
Output Type Voltage- Buffered
Reference Int./Ext.
INL (±LSB) (max) 1.5
Supply Range (V) (min) 4.75
Supply Range (V) (max) 5.25
ICC (mA) (max) 18
Settling Time (µs) (typ) 40
Package/Pins TQFN/32
BudgetaryPrice (See Notes) 4.6


MAX11311GTJ+ Data & Signal Conversion by Analog Devices

ADC 12BIT 400KSPS 5.25V TQFN-32

Status: Unknown
Series: Quad 8-Bit Flash ADCs
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Resolution (Bits) 12bit
Sampling Rate 400kSPS
Input Channel Type Differential Pseudo Differential Single Ended
Data Interface I2C
Supply Voltage Type Single
Supply Voltage Min 5.25V
Supply Voltage Max 4.75V
ADC / DAC Case Style TQFN
No. of Pins 32Pins
Operating Temperature Min -40°C
Operating Temperature Max 105°C
Product Range Quad 8-Bit Flash ADCs
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

PIXI, 12-Port Programmable Mix | Analog Devices
ADC, 12BIT, 400KSPS, 5.25V, TQFN-32 | element14

Frequently Asked Questions

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Is the MAX11311GTJ+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14 and Farnell have stock available or on a lead time for MAX11311GTJ+ .

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