MAX1231BCTI+
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Analog Devices Inc./Maxim Integrated MAX1231BCTI+

Manufacturer No:
MAX1231BCTI+
Manufacturer:
Analog Devices Inc./Maxim Integrated
Package:
Tube
Description:
IC ADC 12BIT SAR 28TQFN
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The MAX1231BCTI+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1227/MAX1229/MAX1231 family, which features serial 12-bit ADCs with an internal reference and an internal temperature sensor. The MAX1231BCTI+ is designed for high-performance data acquisition and is particularly suited for applications requiring multiple input channels and precise temperature sensing.

Key Specifications

ParameterValueUnits
Resolution12-bit
Sampling Rate300 kS/s
Input TypeDifferential/Single-Ended
ArchitectureSAR (Successive Approximation Register)
Signal-to-Noise Ratio (SNR)70 dB
Total Harmonic Distortion (THD)-80 dBc (up to the 5th harmonic)
Spurious-Free Dynamic Range (SFDR)81 dBc
Full-Power Bandwidth-3dB point at 1 MHz
Supply Voltage (Analog/Digital)2.7V to 3.6VV
Operating Temperature-40°C to +85°C°C
Package28-pin 5mm x 5mm TQFN with exposed pad, 24-pin QSOP

Key Features

  • Internal temperature sensor with ±0.7°C accuracy
  • 16-entry First-In/First-Out (FIFO) buffer
  • Analog multiplexer with true differential track and hold
  • Configurable for single-ended or differential inputs in unipolar or bipolar mode
  • Internal clock mode, scan mode, internal averaging, and AutoShutdown™
  • 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port
  • Low power consumption

Applications

The MAX1231BCTI+ is suitable for a variety of applications, including temperature control, process control, and monitoring. It is also used in data acquisition systems, industrial automation, medical devices, and any application requiring precise analog-to-digital conversion and temperature sensing.

Q & A

  1. What is the resolution of the MAX1231BCTI+ ADC?
    The MAX1231BCTI+ has a 12-bit resolution.
  2. What is the maximum sampling rate of the MAX1231BCTI+?
    The maximum sampling rate is 300 kS/s using an external clock.
  3. What types of input channels does the MAX1231BCTI+ support?
    The device supports both single-ended and differential input channels, configurable in unipolar or bipolar mode.
  4. What is the accuracy of the internal temperature sensor?
    The internal temperature sensor has an accuracy of ±0.7°C.
  5. What is the operating temperature range of the MAX1231BCTI+?
    The device operates over an extended temperature range of -40°C to +85°C.
  6. What communication interface does the MAX1231BCTI+ use?
    The device uses a 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port.
  7. What are the available package options for the MAX1231BCTI+?
    The device is available in 28-pin 5mm x 5mm TQFN with exposed pad and 24-pin QSOP packages.
  8. What is the supply voltage range for the MAX1231BCTI+?
    The supply voltage range is 2.7V to 3.6V for both analog and digital supplies.
  9. Does the MAX1231BCTI+ have any power-saving features?
    Yes, it features AutoShutdown™ to reduce power consumption when not in use.
  10. How many input channels does the MAX1231BCTI+ have?
    The MAX1231BCTI+ has 16 input channels.

Product Attributes

Number of Bits:12
Sampling Rate (Per Second):300k
Number of Inputs:8, 16
Input Type:Differential, Single Ended
Data Interface:SPI
Configuration:S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:1
Architecture:SAR
Reference Type:External, Internal
Voltage - Supply, Analog:2.7V ~ 3.6V
Voltage - Supply, Digital:2.7V ~ 3.6V
Features:Temperature Sensor
Operating Temperature:0°C ~ 70°C
Package / Case:28-WFQFN Exposed Pad
Supplier Device Package:28-TQFN (5x5)
Mounting Type:Surface Mount
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Similar Products

Part Number MAX1231BCTI+ MAX1231BETI+ MAX1231BCTI+T MAX1230BCTI+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Product Status Active Active Active Obsolete
Number of Bits 12 12 12 12
Sampling Rate (Per Second) 300k 300k 300k 300k
Number of Inputs 8, 16 8, 16 8, 16 8, 16
Input Type Differential, Single Ended Differential, Single Ended Differential, Single Ended Differential, Single Ended
Data Interface SPI SPI SPI SPI
Configuration S/H-ADC S/H-ADC S/H-ADC MUX-S/H-ADC
Ratio - S/H:ADC 1:1 1:1 1:1 1:1
Number of A/D Converters 1 1 1 1
Architecture SAR SAR SAR SAR
Reference Type External, Internal External, Internal External, Internal External, Internal
Voltage - Supply, Analog 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 5V
Voltage - Supply, Digital 2.7V ~ 3.6V 2.7V ~ 3.6V 2.7V ~ 3.6V 5V
Features Temperature Sensor Temperature Sensor Temperature Sensor Temperature Sensor
Operating Temperature 0°C ~ 70°C -40°C ~ 85°C 0°C ~ 70°C 0°C ~ 70°C
Package / Case 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad
Supplier Device Package 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5) 28-TQFN (5x5)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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