The MAX1082/MAX1083 are 10-bit analog-to-digital converters (ADCs) with a 4-channel analog-input multiplexer, high-bandwidth track/hold (T/H), and serial interface. They have high conversion speed and low power consumption. They support unipolar/bipolar and single-ended/pseudo-differential operation. They connect directly to SPI™/QSPI™ and MICROWIRE™ devices with a 4-wire serial interface. They have a hard-wired SHDN pin and four software-selectable power modes. They have 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 can also be used. They 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 and MAX1083 are 10‑bit analog‑to‑digital converters that combine a 4‑channel analog‑input multiplexer, high‑bandwidth track/hold, and a serial interface. They operate from a single supply (MAX1082: +4.5 V to +5.5 V, MAX1083: +2.7 V to +3.6 V) and include an internal +2.5 V reference.
Key features include up to 400 ksps conversion rate for the MAX1082, low power consumption (2.5 mA normal), four selectable power‑down modes, and a 16‑pin TSSOP package. The datasheet provides absolute maximum ratings, detailed electrical and timing characteristics, pin descriptions, and typical operating curves.
| Supply voltage (MAX1082) | +4.5 V to +5.5 V |
|---|---|
| Supply voltage (MAX1083) | +2.7 V to +3.6 V |
| Power consumption (normal mode) | 2.5 mA (MAX1082) / 1.3 mA (REDP) / 0.9 mA (FASTPD) |
| Resolution | 10 bit |
| Package | 16‑pin TSSOP |
| Internal reference voltage | +2.5 V |
The MAX1082 operates from a single +4.5 V to +5.5 V supply.
Both devices have a 4‑channel analog‑input multiplexer.
They provide an internal +2.5 V reference.
Four software‑selectable modes: normal operation, reduced power (REDP), fast power‑down (FASTPD), and full power‑down (FULLPD).