MAX1083A

300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference

Part Details

MAX1082, MAX1082A, MAX1082B, MAX1083, MAX1083A, MAX1083B: Typical Operating Circuit slide

MAX1082, MAX1082A, MAX1082B, MAX1083, MAX1083A, MAX1083B: Typical Operating Circuit

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Features

4-Channel Single-Ended or 2-Channel
Pseudo-Differential Inputs
Internal Multiplexer and Track/Hold
Single-Supply Operation
- +4.5V to +5.5V (MAX1082)
- +2.7V to +3.6V (MAX1083)
Internal +2.5V Reference
400kHz Sampling Rate (MAX1082)
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

Additional Details

The MAX1082/MAX1083 10-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 MAX1082 operates from a single +4.5V to +5.5V supply; the MAX1083 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™ and MICROWIRE® devices without external logic. A serial strobe output allows direct connection to TMS320-family digital signal processors. The MAX1082/ MAX1083 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 V_DD range may also be used.

The MAX1082/MAX1083 provide a hard-wired 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 shut down automatically 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 MAX1082/MAX1083 are available in 16-pin TSSOP packages.

Applications

Battery-Powered Applications
Data Acquisition
Medical Instruments
Pen Digitizers
Portable Data Logging
Process Control

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Documentation

Technical Documents 1

MAX1082-MAX1083B: 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference Data Sheet (Rev.2) 01/06/2015

Software & Part Ecosystem

Companion Parts 12

Parts	Product Life Cycle	Description
Multiplexed A/D Converters7
MAX1081	PRODUCTION	300ksps/400ksps, Single-Supply, Low-Power, 8-Channel, Serial 10-Bit ADCs with Internal Reference
MAX1280	PRODUCTION	400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1281	PRODUCTION	400ksps/300ksps, Single-Supply, Low-Power, 8-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1282	PRODUCTION	300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1283	PRODUCTION	300ksps/400ksps, Single-Supply, 4-Channel, Serial 12-Bit ADCs with Internal Reference
MAX1046	PRODUCTION	10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
MAX11619	PRODUCTION	10-Bit, 300ksps ADCs with FIFO and Internal Reference
Product1
MAX1080		300ksps/400ksps, Single-Supply, Low-Power, 8-Channel, Serial 10-Bit ADCs with Internal Reference
Single Channel A/D Converters4
MAX1084	Obsolete	400ksps/300ksps, Single-Supply, Low-Power, Serial 10-Bit ADCs with Internal Reference
MAX1085	PRODUCTION	400ksps/300ksps, Single-Supply, Low-Power, Serial 10-Bit ADCs with Internal Reference
MAX1284	PRODUCTION	400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference
MAX1285	PRODUCTION	400ksps/300ksps, Single-Supply, Low-Power, Serial 12-Bit ADCs with Internal Reference