Maxim Integrated MAX1391ETB T

Description
The MAX1391/MAX1394 are micropower, serial-output, 8-bit analog-to-digital converters (ADCs) that operate with a single power supply from 1.5V to 3.6V. These ADCs feature automatic shutdown, fast wake-up, and a high-speed 3-wire interface. Power consumption is only 0.743mW (VDD = 1.5V) at the maximum conversion rate of 416ksps. AutoShutdown between conversions reduces power consumption at slower throughput rates.
The MAX1391/MAX1394 require an external reference VREF that has a wide range from 0.6V to VDD. The MAX1391 provides one true-differential analog input that accepts signals ranging from 0 to VREF (unipolar mode) or VREF/2 (bipolar mode). The MAX1394 provides two single-ended inputs that accept signals ranging from 0 to VREF. Analog conversion results are available through a 5MHz 3-wire SPI-/QSPI-/MICROWIRE™/digital signal processor (DSP)-compatible serial interface.

Features
416ksps, 8-Bit Successive-Approximation Register (SAR) ADCs
Single True-Differential Analog Input Channel with Unipolar-/Bipolar-Selected Input (MAX1391)
Dual Single-Ended Input Channel with Channel-Selected Input (MAX1394)
±0.2 LSB INL, ±0.2 LSB DNL, No Missing Codes
±0.25 LSB Total Unadjusted Error (TUE)
49dB SINAD at 100kHz Input Frequency
Single-Supply Voltage ( 1.5V to 3.6V)
0.97mW at 416ksps, 1.8V
0.230mW at 100ksps, 1.8V
3.1pW at 1ksps, 1.8V
<1μA Shutdown Current
External Reference (0.6V to VDD)
AutoShutdown Between Conversions
SPI-/QSPI-/MICROWIRE-/DSP-Compatible, 3- or 4-Wire Serial Interface
Small (3mm x 3mm), 10-Pin TDFN

Applications
Portable Datalogging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Process Control