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MAX145 - Serial 12-Bit ADCs

Download the MAX145 datasheet PDF. This datasheet also covers the MAX variant, as both devices belong to the same serial 12-bit adcs family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX144/MAX145 low-power, 12-bit analog-todigital converters (ADCs) are available in 8-pin µMAX and DIP packages.

Key Features

  • o Single-Supply Operation (+2.7V to +5.25V) o Two Single-Ended Channels (MAX144) One Pseudo-Differential Channel (MAX145) o Low Power 0.9mA (108ksps, +3V Supply) 100µA (10ksps, +3V Supply) 10µA (1ksps, +3V Supply) 0.2µA (Power-Down Mode) o Internal Track/Hold o 108ksps Sampling Rate o SPI/QSPI/.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX-145A.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-1387; Rev 0; 11/98 +2.7V, Low-Power, 2-Channel, 108ksps, Serial 12-Bit ADCs in 8-Pin µMAX General Description The MAX144/MAX145 low-power, 12-bit analog-todigital converters (ADCs) are available in 8-pin µMAX and DIP packages. Both devices operate with a single +2.7V to +5.25V supply and feature a 7.4µs successive-approximation ADC, automatic power-down, fast wake-up (2.5µs), an on-chip clock, and a high-speed, 3-wire serial interface. Power consumption is only 3.2mW (VDD = +3.6V) at the maximum sampling rate of 108ksps. At slower throughput rates, the automatic shutdown (0.2µA) further reduces power consumption. The MAX144 provides 2-channel, single-ended operation and accepts input signals from 0 to VREF. The MAX145 accepts pseudo-differential inputs ranging from 0 to V REF .