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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging |
Number of Bits 8
Sampling Rate (Per Second) 50k
Number of Inputs 4, 8
Input Type Differential, Single Ended
Data Interface SPI
Configuration MUX-S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX1112EAP+T is an 8-bit, multichannel analog-to-digital converter from Analog Devices Inc./Maxim Integrated. It features a sampling rate of 50k SPS and supports 4 or 8 input channels via an integrated multiplexer. The device uses an SPI interface for easy digital communication and offers both external and internal reference options. Housed in a compact 20-SSOP package, it operates over a -40°C to +85°C temperature range. Typical applications include industrial data acquisition, portable instrumentation, and multi-sensor monitoring systems.

  • Flexible Channel Configuration: Supports 4 or 8 input channels via an internal MUX, allowing adaptation to various sensor count requirements without external multiplexing.
  • Low-Power SPI Interface: The serial SPI bus reduces pin count and power consumption, making it ideal for battery-powered and space-constrained designs.
  • Wide Temperature Range: Rated for -40°C to +85°C, ensuring reliable performance in industrial and automotive environments.
  • Dual Reference Options: Both external and internal references provide design flexibility, enabling trade-offs between accuracy and component count.

Multi-Sensor Data Acquisition

The 8-channel input capability of the MAX1112EAP+T allows direct connection of multiple analog sensors (e.g., temperature, pressure, strain gauges) to a single ADC. The integrated multiplexer (MUX) sequentially routes each sensor to the S/H-ADC, simplifying the front-end design and reducing component count in industrial data acquisition systems.

Battery-Powered Portable Instruments

With a 50k SPS sampling rate and SPI interface, this ADC is ideal for low-power handheld devices. The SPI bus minimizes pin count and power consumption, while the 8-bit resolution is sufficient for battery monitoring, portable multimeters, and environmental loggers.

Industrial Process Control

In industrial automation, the MAX1112EAP+T can digitize 4-8 analog control signals (e.g., 4-20 mA loops, 0-10V signals) with a 50k SPS throughput. Its -40°C to +85°C temperature range ensures reliable operation in harsh factory floor environments.

Medical Vital Sign Monitors

The 8-bit resolution and 50k SPS rate are suitable for digitizing bio-signals like ECG or EEG in portable monitors. The internal reference option reduces external component count, enabling compact medical device designs.

Automotive Sensor Interfaces

For automotive applications, the MAX1112EAP+T can interface with multiple sensors (e.g., throttle position, coolant temperature). The SPI interface allows direct connection to microcontrollers, and the wide temperature range supports under-hood installations.

Q: What type of ADC is the MAX1112EAP+T?
A: It is a multichannel, 8-bit analog-to-digital converter with a MUX-S/H-ADC architecture.
Q: What is the resolution of the MAX1112EAP+T?
A: The resolution is 8 bits.
Q: What is the sampling rate of the MAX1112EAP+T?
A: The sampling rate is 50k SPS (samples per second).
Q: How many input channels does the MAX1112EAP+T have?
A: It supports 4 or 8 input channels, selectable via configuration.
Q: What interface does the MAX1112EAP+T use?
A: It uses a serial SPI interface for communication.
Q: What is the package type for the MAX1112EAP+T?
A: It comes in a 20-SSOP (0.209", 5.30mm Width) package.
Base Product Number : MAX1112
20-SSOP 4-channel 50k SPS 8-bit 8-channel ADC Analog-to-Digital Converter MAX1112 MUX-S/H-ADC SPI
Q: What type of ADC is the MAX1112EAP+T?
A: It is a multichannel, 8-bit analog-to-digital converter with a MUX-S/H-ADC architecture.
Q: What is the resolution of the MAX1112EAP+T?
A: The resolution is 8 bits.
Q: What is the sampling rate of the MAX1112EAP+T?
A: The sampling rate is 50k SPS (samples per second).
Q: How many input channels does the MAX1112EAP+T have?
A: It supports 4 or 8 input channels, selectable via configuration.
Q: What interface does the MAX1112EAP+T use?
A: It uses a serial SPI interface for communication.
Q: What is the package type for the MAX1112EAP+T?
A: It comes in a 20-SSOP (0.209", 5.30mm Width) package.