Analog Devices Inc./Maxim Integrated MAX11607EWC+T

Overview

MAX11607EWC+T from Maxim Integrated is a low-power, 10-bit, 4-channel analog-to-digital converter with integrated track/hold, 2.048V internal reference, I²C-compatible 2-wire interface, and ultra-small 12-pin wafer-level package (1.9mm × 2.2mm). It operates from a single 2.7V–3.6V supply, draws only 670µA at 94.4ksps, and supports software-configurable unipolar/bipolar and single-ended/differential input modes - ideal for space-constrained battery-powered sensor nodes.

For engineers reviewing the MAX11607EWC+T datasheet, MAX11607EWC+T pinout, MAX11607EWC+T application, or MAX11607EWC+T equivalent, key selection criteria include its 12-pin WLP footprint, 2.048V internal reference accuracy (±80mV over temperature), I²C high-speed mode support (1.7MHz), AutoShutdown™ current <1µA, and guaranteed operation from –40°C to +85°C.

Technical Context

The MAX11607EWC+T uses successive-approximation architecture with fully differential track-and-hold circuitry and a switched-capacitor DAC. Its analog front-end supports 4 single-ended or 2 fully differential inputs, configurable via setup and configuration registers over I²C.

It features dual clocking modes: internal oscillator (2.8MHz) or external SCL-driven conversion; acquisition time is 800ns, and conversion time is 6.8µs (internal clock) or 10.6µs (external clock). The device implements channel-scan mode with internal FIFO and supports both unipolar (0 to VREF) and bipolar (±VREF/2) differential ranges.

Key Specifications

Pinout & Package

MAX11607EWC+T is housed in a 12-pin wafer-level package (WLP), measuring 1.9mm × 2.2mm with 0.4mm pitch. This ultra-compact, RoHS-compliant package enables direct chip-scale mounting on dense PCBs and eliminates wire-bond parasitics for improved high-frequency performance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 10-bit, I²C ADC applications.

Compared with ADS7822U and MAX11602EUA+, the MAX11607EWC+T uniquely combines 10-bit precision, 2.7V–3.6V operation, 2.048V reference, and ultra-small WLP in a single solution - enabling miniaturized, low-voltage sensor nodes where size and energy efficiency are critical.

Availability

MAX11607EWC+T is available at Aetrix Electronics and suitable for portable medical sensors, battery-powered test equipment, solar-powered remote systems, and industrial system supervision requiring stable component supply and long-term manufacturability.

Supply support for MAX11607EWC+T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for demanding industrial, medical, and communications applications.

The MAX11606–MAX11611 family targets ultra-low-power, space-constrained data acquisition systems - delivering integrated signal chain functionality (reference, T/H, clock, I²C) in minimal footprint for next-generation portable and energy-harvested devices.

FAQ

What is the maximum sampling rate achievable with MAX11607EWC+T?

The MAX11607EWC+T achieves a maximum throughput rate of 94.4ksps when using an external clock in I²C High-Speed Mode (1.7MHz SCL). This requires configuring the device for external clock mode and setting SCAN[1:0] = 00. At this rate, typical supply current is 670µA with internal reference enabled. Lower rates (e.g., 53ksps) are attainable with internal clock operation.

Does MAX11607EWC+T support differential input configurations?

Yes, the MAX11607EWC+T supports fully differential input operation across two channels (AIN0–AIN1 or AIN2–AIN3/REF) when configured via the SGL/DIF bit in the setup byte. In differential mode, it accepts bipolar (±VREF/2) or unipolar (0 to VREF) ranges, with output coding in two's complement (bipolar) or straight binary (unipolar). Single-ended mode supports all four channels referenced to GND.

Can MAX11607EWC+T operate with an external reference voltage?

Yes, the MAX11607EWC+T accepts an external reference voltage applied to the AIN3/REF pin, ranging from 1V to VDD (2.7V–3.6V). When using external reference, the internal 2.048V reference is disabled. This allows optimization for specific full-scale ranges (e.g., 1.8V for Li-ion battery monitoring) and improves PSRR performance compared to internal reference mode.

What is the absolute maximum analog input voltage range for MAX11607EWC+T?

The absolute maximum analog input voltage range for MAX11607EWC+T is from (GND – 0.3V) to (VDD + 0.3V), enforced by internal ESD protection diodes. However, for accurate conversion, inputs must remain within 0 to VREF (unipolar) or ±VREF/2 (bipolar differential), and must not exceed GND or VDD by more than 50mV to avoid measurement errors or damage risk.

How does AutoShutdown™ function in MAX11607EWC+T?

AutoShutdown™ automatically powers down the MAX11607EWC+T's analog and digital circuitry between conversions when no I²C activity is detected. In this state, supply current drops below 1µA - ideal for battery-operated systems with infrequent sampling. Wake-up occurs on the next valid I²C START condition, with full functionality restored within microseconds.