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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Factory | Tube
Number of Bits 10
Sampling Rate (Per Second) 73k
Number of Inputs 1
Input Type 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
Voltage - Supply, Analog 2.7V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V
Features -
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX1243BCSA+ is a 10-bit, single-channel analog-to-digital converter (ADC) from Analog Devices Inc./Maxim Integrated. It features a successive approximation architecture with a sample-and-hold circuit, capable of sampling at rates up to 73k SPS. The device communicates via a simple SPI interface, making it easy to integrate with digital systems. Housed in a compact 8-SOIC package, it operates over a 0°C to 70°C temperature range and requires an external voltage reference. This ADC is well-suited for space-constrained applications requiring moderate resolution and speed.

  • Compact Size: The 8-SOIC package minimizes board space, ideal for portable and dense designs.
  • Simple Integration: The SPI interface requires fewer I/O pins compared to parallel ADCs, simplifying PCB layout and firmware.
  • Low Power Consumption: Designed for power-sensitive applications, extending battery life in portable equipment.
  • Reliable Performance: Operates within a 0°C to 70°C range, ensuring stable operation in typical commercial environments.

Portable Instrumentation

The 10-bit resolution and 73k SPS sampling rate are ideal for battery-powered multimeters and handheld data loggers where low power consumption and adequate precision are required.

Industrial Sensor Interfaces

With its SPI interface and single channel, the MAX1243BCSA+ can directly digitize the output of a single analog sensor, such as a pressure transducer or thermocouple amplifier, in industrial control systems.

Microcontroller-Based Systems

The SPI interface simplifies connection to most microcontrollers, making it a straightforward choice for adding analog input capability to embedded designs without complex parallel wiring.

Battery Monitoring

In battery management systems, this ADC can monitor a single cell voltage or current sense signal, providing data for charge control and protection algorithms.

Data Acquisition Front-Ends

As a building block in a larger data acquisition system, its 73k SPS rate allows for digitizing slow-moving signals like temperature or humidity with sufficient speed for real-time monitoring.

Q: What type of ADC is the MAX1243BCSA+?
A: It is a successive approximation (SAR) analog-to-digital converter with a sample-and-hold (S/H) architecture.
Q: What is the resolution of the MAX1243BCSA+?
A: It provides 10-bit resolution, offering 1024 discrete output levels.
Q: What is the maximum sampling rate?
A: The MAX1243BCSA+ supports a sampling rate of 73k SPS (samples per second).
Q: How many input channels does it have?
A: It features a single (1) analog input channel.
Q: What digital interface does it use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers.
Q: What is the operating temperature range?
A: It is specified for operation from 0°C to 70°C.
Base Product Number : MAX1243
10-bit 73k SPS 8-SOIC ADC Analog-to-Digital Converter MAX1243 Single Channel SPI
Q: What type of ADC is the MAX1243BCSA+?
A: It is a successive approximation (SAR) analog-to-digital converter with a sample-and-hold (S/H) architecture.
Q: What is the resolution of the MAX1243BCSA+?
A: It provides 10-bit resolution, offering 1024 discrete output levels.
Q: What is the maximum sampling rate?
A: The MAX1243BCSA+ supports a sampling rate of 73k SPS (samples per second).
Q: How many input channels does it have?
A: It features a single (1) analog input channel.
Q: What digital interface does it use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers.
Q: What is the operating temperature range?
A: It is specified for operation from 0°C to 70°C.