Overview
Features and Benefits
- 4-Channel Single-Ended or 2-Channel Pseudo-Differential Inputs
- Internal Multiplexer and Track/Hold
- Single-Supply Operation
- +4.5V to +5.5V (MAX1282)
- +2.7V to +3.6V (MAX1283)
- Internal +2.5V Reference
- 400kHz Sampling Rate (MAX1282)
- Low Power: 2.5mA (400ksps)
- 1.3mA (REDP)
- 0.9mA (FASTPD)
- 2µA (FULLPD)
- SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface
- Software-Configurable Unipolar or Bipolar Inputs
- 16-Pin TSSOP Package
Product Details
The MAX1282/MAX1283 12-bit analog-to-digital converters (ADCs) combine a 4-channel analog-input multiplexer, high-bandwidth track/hold (T/H), and serial interface with high conversion speed and low power consumption. The MAX1282 operates from a single +4.5V to +5.5V supply; the MAX1283 operates from a single +2.7V to +3.6V supply. Both devices' analog inputs are software configurable for unipolar/bipolar and single-ended/pseudo-differential operation.
The 4-wire serial interface connects directly to SPI™/QSPI™/MICROWIRE™ devices without external logic. A serial strobe output allows direct connection to TMS320-family digital signal processors. The MAX1282/MAX1283 use an external serial-interface clock to perform successive-approximation analog-to-digital conversions. The devices feature an internal +2.5V reference and a reference-buffer amplifier with a ±1.5% voltage-adjustment range. An external reference with a 1V to VDD range may also be used.
The MAX1282/MAX1283 provide a hardwired active-low SHDN pin and four software-selectable power modes (normal operation, reduced power (REDP), fast power-down (FASTPD), and full power-down (FULLPD)). These devices can be programmed to automatically shut down at the end of a conversion or to operate with reduced power. When using the power-down modes, accessing the serial interface automatically powers up the devices, and the quick turn-on time allows them to be shut down between all conversions.
The MAX1282/MAX1283 are available in 16-pin TSSOP packages.
Applications
- Battery-Powered Applications
- Data Acquisition
- Medical Instruments
- Pen Digitizers
- Portable Data Logging
- Process Control
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (2)
Documentation & Resources
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MAX1282 Reliability Data1/12/2023
Product Recommendations
MAX1282 Companion Parts
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
---|---|---|---|---|
MAX1282BCUE+ | Material Declaration | Reliability Data | Thin Shrink Small-Outline Package | |
MAX1282BCUE+T | Material Declaration | Reliability Data | Thin Shrink Small-Outline Package | |
MAX1282BEUE+ | Material Declaration | Reliability Data | Thin Shrink Small-Outline Package | |
MAX1282BEUE+T | Material Declaration | Reliability Data | Thin Shrink Small-Outline Package | |
Wafer Fabrication Data | MAX1282 Reliability Data |
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