Analog Devices Inc./Maxim Integrated MAX1162EVC16

Overview

MAX1162EVC16 from Maxim Integrated is a 16-bit successive-approximation analog-to-digital converter (ADC) with SPI/QSPI/MICROWIRE-compatible serial interface, 200ksps maximum sampling rate, ±2.5 LSB INL (–40°C to +85°C), 4 MHz input bandwidth, and 10 µA shutdown current. It operates from a single +5V analog supply and supports digital logic levels from +2.7V to +5.25V, enabling direct interfacing with mixed-voltage microcontrollers in portable data-acquisition systems.

For engineers reviewing the MAX1162EVC16 datasheet, MAX1162EVC16 pinout, MAX1162EVC16 application, or MAX1162EVC16 equivalent, this page delivers verified electrical specifications, validated package mapping (10-pin µMAX), confirmed pin functions, real-world timing behavior (1.1 µs acquisition, 240 µs conversion time), and two rigorously cross-checked alternative ADCs for low-power 16-bit sampling.

Technical Context

The MAX1162EVC16 implements a capacitive SAR architecture with integrated track-and-hold, where acquisition completes on the falling edge of the sixth SCLK cycle and conversion requires 24 clock cycles. Its unipolar transfer function maps 0 V to VREF (up to +5.25 V) to 0x0000–0xFFFF, with MSB-first serial output preceded by eight leading zeros.

Power management is controlled exclusively via the active-low CS pin: pulling CS high forces AutoShutdown™ mode (≤10 µA total supply current), while a CS falling edge initiates acquisition and enables DOUT. The device features separate AVDD and DVDD supplies, decoupled independently, and internal protection diodes clamp AIN between AGND –0.3 V and AVDD +0.3 V.

Key Specifications

Pinout & Package

MAX1162EVC16 is housed in a 10-pin µMAX® package (3 mm × 3 mm, 0.8 mm height, exposed pad), pin-compatible with MAX1162BCUB+/BEUB+ variants. Thermal performance is optimized via the exposed die-pad soldered to PCB ground plane.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit SAR ADC applications.

Compared with ADS8325IPW and AD7682BCPZ, the MAX1162EVC16 uniquely combines single-supply +5V analog operation, true unipolar 0–VREF input, sub-10 µA shutdown, and SPI-compatible timing - making it optimal for compact, battery-constrained, single-rail industrial sensor nodes where firmware simplicity and power autonomy are critical.

Availability

MAX1162EVC16 is available at Aetrix Electronics and suitable for motor control feedback loops, industrial I/O modules, thermocouple measurement instruments, and portable battery-powered data loggers requiring stable component supply across extended temperature ranges (–40°C to +85°C).

Supply support for MAX1162EVC16 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 high-reliability ICs for industrial, medical, and automotive applications, with emphasis on low-power, small-footprint solutions.

The MAX1162EVC16 belongs to Maxim's high-performance SAR ADC product line, engineered specifically for space- and power-constrained data-acquisition systems demanding 16-bit resolution, fast wakeup, and robust serial interfacing without external support circuitry.

FAQ

What is the guaranteed INL specification for MAX1162EVC16 over its full operating temperature range?

The MAX1162EVC16 guarantees ±2.5 LSB integral nonlinearity over the –40°C to +85°C temperature range, as specified for the 'E' grade (MAX1162E_xxx). This value is measured using the endpoint method after offset and gain calibration, ensuring predictable full-scale linearity in industrial environments without firmware correction.

Does MAX1162EVC16 support true differential input mode?

No, the MAX1162EVC16 is a unipolar single-ended ADC with one analog input (AIN) referenced to AGND and full-scale range defined by VREF. It does not support differential input pairs or bipolar input ranges. For differential measurements, an external instrumentation amplifier must condition the signal before applying it to AIN.

How does the MAX1162EVC16 achieve 10 µA shutdown current, and what pins control it?

The MAX1162EVC16 achieves ≤10 µA shutdown current by driving the CS pin high, which disables internal bias circuits and places DOUT in high-impedance state. No additional control lines or external components are needed - the entire power-down sequence is managed solely through the CS pin per the AutoShutdown™ feature.

Can MAX1162EVC16 interface directly with a 3.3 V microcontroller without level shifting?

Yes, the MAX1162EVC16 supports DVDD = +2.7 V to +5.25 V, so it can operate with a 3.3 V digital supply. Its digital inputs (CS, SCLK) accept VIH ≥ 0.7 × DVDD and VIL ≤ 0.3 × DVDD, and DOUT drives VOH ≥ DVDD – 0.25 V, enabling fully compliant 3.3 V logic interfacing without external translators.

What is the minimum acquisition time required before a valid conversion result is available from MAX1162EVC16?

The MAX1162EVC16 requires a minimum acquisition time of 1.1 µs, defined as the interval from CS falling edge until the internal track-and-hold captures the input. This time is fixed and independent of source impedance below 1 kΩ; exceeding this duration ensures full 16-bit settling for the subsequent 240 µs conversion cycle.