Analog Devices Inc./Maxim Integrated MAX1316ECM+

Overview

The MAX1316ECM+ from Maxim Integrated is an 8-channel, 14-bit simultaneous-sampling analog-to-digital converter with 0 to +5V input range, ±6.0V fault-tolerant inputs, 250ksps per channel throughput, and 48-pin LQFP package. It features independent track/hold per channel, 10MHz T/H bandwidth, and internal +2.5V reference - designed for high-precision multiphase motor control and power-grid synchronization.

For engineers reviewing the MAX1316ECM+ datasheet, MAX1316ECM+ pinout, MAX1316ECM+ application, or MAX1316ECM+ equivalent, this page delivers verified specifications, real-world timing behavior, fault-tolerance limits, parallel interface timing constraints, and validated alternative options for industrial data acquisition systems requiring phase-coherent sampling.

Technical Context

The MAX1316ECM+ implements eight independent track-and-hold amplifiers synchronized by a single CONVST edge, enabling true simultaneous sampling across all channels. Its 14-bit SAR architecture achieves ±1.5 LSB INL and no missing codes over the full -40°C to +85°C range.

It supports both internal (10MHz) and external clocking up to 12.5MHz, with conversion latency of 1.6µs for one channel and 3.7µs for eight channels. The 16.6MHz 14-bit parallel interface operates with 30ns data-access time and tri-state outputs controlled by RD/CS, ensuring deterministic read timing in real-time control loops.

Key Specifications

Pinout & Package

Package: 48-pin LQFP (7mm × 7mm footprint), RoHS-compliant, moisture-sensitive level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar simultaneous-sampling ADC applications.

Compared with AD7606BSTZ and ADS8588SIPM, the MAX1316ECM+ uniquely combines 0–5V unipolar input compatibility, 250ksps 8-channel throughput, and 48-pin LQFP packaging - making it optimal for cost-sensitive, space-constrained motor control designs requiring direct microcontroller parallel bus interfacing without external level-shifting.

Availability

The MAX1316ECM+ is available at Aetrix Electronics and suitable for multiphase motor control, power-grid synchronization, and power-factor monitoring applications requiring stable component supply, long-term industrial lifecycle support, and guaranteed traceable sourcing.

Supply support for MAX1316ECM+ 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 industrial, automotive, and communications markets.

The MAX1316ECM+ belongs to Maxim's high-speed simultaneous-sampling ADC product line, engineered specifically for real-time power electronics control and energy metering systems demanding phase-coherent multichannel acquisition.

FAQ

What is the maximum fault voltage the MAX1316ECM+ analog inputs can withstand?

The MAX1316ECM+ analog inputs (CH0–CH7) are rated for ±6.0V fault tolerance relative to AGND. This specification is explicitly defined in the Absolute Maximum Ratings table and applies under fault conditions - not continuous operation. The device remains functional after exposure, provided the absolute maximum stress limits are not exceeded. This rating enables robust operation in industrial environments with switching transients, such as variable-frequency drives and grid-tied inverters where the MAX1316ECM+ is commonly deployed.

Does the MAX1316ECM+ require external calibration for production use?

No, the MAX1316ECM+ does not require external calibration. Its offset and gain errors are factory-trimmed, with guaranteed ±40 LSB offset error and ±40 LSB gain error over temperature. The datasheet confirms "No Calibration Needed" as a key feature, and electrical characteristics tables show typical INL of ±0.8 LSB and DNL of ±0.5 LSB - well within 14-bit monotonicity. This eliminates calibration steps in manufacturing test, reducing cost and improving repeatability for systems using the MAX1316ECM+ in power-quality analyzers or motor controllers.

What is the minimum acquisition time required before initiating conversion on the MAX1316ECM+?

The MAX1316ECM+ specifies a minimum acquisition time (t_ACQ) of 0.16µs, as stated in the Timing Characteristics table. This value assumes low-source-impedance driving (<100Ω). For higher source impedances, acquisition time increases per the formula t₁ = 10 × (R_S + R_IN) × 6pF, where R_IN = 2.2kΩ. In practice, the MAX1316ECM+'s 10MHz T/H bandwidth allows fast settling - but violating the 0.16µs minimum risks aperture uncertainty and degraded SNR. This timing constraint directly impacts loop latency in closed-loop motor control systems using the MAX1316ECM+.

Can the MAX1316ECM+ operate with only an internal clock, and what is its frequency?

Yes, the MAX1316ECM+ can operate using its internal clock by connecting the INTCLK/EXTCLK pin (pin 13) to AVDD. In this mode, the internal clock runs at a nominal 10MHz frequency, as confirmed in the Electrical Characteristics table under "Internal-Clock Frequency." This eliminates the need for an external oscillator, simplifying BOM and layout - especially valuable in space-constrained motor control modules. The internal clock supports full throughput (250ksps/ch in 8-channel mode) and maintains specified timing parameters including t_CONV and t_NEXT, ensuring deterministic behavior for the MAX1316ECM+ in real-time applications.

What digital supply voltage range is supported by the MAX1316ECM+?

The MAX1316ECM+ supports a digital supply voltage (DVDD) range of +2.7V to +5.25V, as specified in the Absolute Maximum Ratings and Electrical Characteristics sections. This wide range allows direct interfacing with 3.3V or 5V microcontrollers without level translation. Typical DVDD operation is at +3V, drawing ≤1.6mA digital supply current. The MAX1316ECM+'s I/O thresholds scale with DVDD (VIH = 0.7×DVDD, VIL = 0.3×DVDD), ensuring reliable logic-level compatibility across the full DVDD range - a key advantage in mixed-voltage industrial control systems.