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Analog Devices MAX1240BESA+ — DC-DC Power Modules

MAX1240BESA+ 12-bit SAR ADC, 73 ksps, SPI, SOIC-8

MPNMAX1240BESA+
End of Life

Maxim Integrated MAX1240BESA+, 12-bit SAR ADC, single-ended 1-channel, 73 ksps, SPI, 2.7V–3.6V supply, 8-SOIC, -40°C to 85°C.

$18.71Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MAX1240BESA+ specifications
ParameterValue
Input typeSingle Ended
MountingSurface Mount
Reference typeExternal, Internal
Voltage - supply, analog2.7V ~ 3.6V
Voltage - supply, digital2.7V ~ 3.6V
I/O channels1
Data interfaceSPI
Operating temperature-40°C ~ 85°C
PackageTube
ArchitectureSAR
ConfigurationS/H-ADC
Number of bits12
Case8-SOIC (0.154\", 3.90mm Width)
Ratio - s (H:ADC)1:1
Number of a (D converters)1
Sampling rate (Per second)73k

Product details

The MAX1240BESA+ is a 12-bit SAR ADC with a single-ended input, sampling at 73 ksps. The SAR architecture gives deterministic conversion time — no pipeline delay.

Supply and interface — single 3.3 V rail, SPI hookup

The SPI data interface connects directly to most MCU SPI peripherals.

Industrial temperature range and SOIC-8 footprint

Frequently asked questions

Where can I buy MAX1240BESA+?

Buyers need to find authorized distributors quickly to avoid counterfeit parts.

What is the price of MAX1240BESA+?

Price is a key factor in sourcing decisions and BOM costing.

Is MAX1240BESA+ obsolete or active?

Lifecycle status determines if the part is available for new designs or requires alternate sourcing.

What is the equivalent part for MAX1240BESA+?

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What is the datasheet for MAX1240BESA+?

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How to use MAX1240BESA+ with Arduino?

Hobbyists and prototypers want to know integration and interface details.