MAX11312GTJ+ by Analog Devices

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

Status: Active
Series: MAX11312
RoHS: Unknown
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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. 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. 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. 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 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. The MAX11312 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 MAX11312 is available in a 32-pin TQFN, 5mm x 5mm package specified over the -40°C to +105°C temperature range.

Prices starting from US$6.39


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$7.91
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Logo for element14 element14 US$6.39
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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 a Small Footprint 25mm2 32-Pin TQFN
25mm2 32-Pin TQFN

Specifications

Resolution (bits) 12
# Channels 12
Interface Serial - I2C
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


MAX11312GTJ+ Data & Signal Conversion by Analog Devices

ADC/DAC 12BIT 400KSPS 5.25V TQFN-32

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

Specifications

IC Function A/D & D/A Converter
Supply Voltage Min 4.75V
Supply Voltage Max 5.25V
IC Package Type TQFP
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

ADC/DAC, 12BIT, 400KSPS, 5.25V, TQFN-32 | Farnell Contract
Adc/Dac, 12Bit, 400Ksps, 5.25V, Tqfn-32 | Newark Electronics

Frequently Asked Questions

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Is the MAX11312GTJ+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Farnell Contract, Newark Electronics and element14 have stock available or on a lead time for MAX11312GTJ+ .

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