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Analog Devices Inc./Maxim Integrated MAX1416EUE+T
- Part No.:
- MAX1416EUE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX1416EUE+T.pdf
- Description:
- IC ADC 16BIT SIGMA-DELTA 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,769
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Product details
Overview
MAX1416EUE+T from Maxim Integrated is a 16-bit, low-power, 2-channel sigma-delta analog-to-digital converter (ADC) with integrated PGA (gain 1–128), on-chip input buffers, and SPI/QSPI/MICROWIRE-compatible serial interface. It operates from a 4.75V to 5.25V supply, achieves ±0.0015% INL (max) with no missing codes, and delivers >98dB 50Hz/60Hz rejection - ideal for high-precision industrial weigh scales and strain-gauge measurements.
For engineers reviewing the MAX1416EUE+T datasheet, MAX1416EUE+T pinout, MAX1416EUE+T application, or MAX1416EUE+T equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, application-specific implementation guidance, and two confirmed alternative parts with documented functional and application-level differences.
Technical Context
The MAX1416EUE+T implements a second-order sigma-delta modulator followed by a digital filter, enabling 16-bit resolution without missing codes. Its internal oscillator supports 1MHz or 2.4576MHz operation, and it features fully differential analog inputs (AIN1±, AIN2±) with programmable gain and optional buffering.
Calibration is supported via on-demand offset/gain self-calibration and system calibration, with user-programmable offset and gain registers. The device uses an SPI-compatible 3-wire serial interface (SCLK, DIN, DOUT) with CS and DRDY control signals, and includes dedicated CLKIN/CLKOUT pins for external clocking or crystal support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit with no missing codes - guarantees monotonicity and full code coverage for precision measurement systems. |
| Integral Nonlinearity (INL) | ±0.0015% FSR (max) - ensures sub-LSB linearity error across full scale in bipolar unbuffered mode. |
| Supply Voltage Range | 4.75V to 5.25V - compatible with standard 5V industrial logic and sensor excitation rails. |
| Power Consumption | 1.2mW (max) at 3V; 1.1mA typical at 5V/2.4576MHz buffered mode - enables battery- or loop-powered designs. |
| 50Hz/60Hz Rejection | >98dB normal-mode rejection - eliminates power-line interference without external notch filters. |
| PGA Gain Range | 1 to 128 (programmable) - supports direct connection of µV-level transducer outputs (e.g., load cells, RTDs). |
| Operating Temperature | −40°C to +85°C - qualified for industrial environments including factory automation and field instrumentation. |
Pinout & Package
MAX1416EUE+T is housed in a 16-pin TSSOP package (4.4mm × 5mm, 0.65mm pitch), optimized for compact industrial PCB layouts and thermal performance in enclosed enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 SCLK | Serial clock input | Synchronizes data transfer; accepts up to 2.4576MHz external clock or drives internal oscillator timing. |
| 2 DIN | Serial data input | Accepts configuration commands (e.g., gain, buffer enable, calibration triggers) via SPI-compatible protocol. |
| 3 DOUT | Serial data output | Transmits 16-bit conversion results and status bits; tri-state capable for bus sharing. |
| 4 CS | Chip select | Active-low enables serial interface; allows multiple devices on shared SCLK/DIN/DOUT lines. |
| 5 DRDY | Data ready indicator | Active-low open-drain signal asserts when conversion result is valid and ready for readout. |
| 6 RESET | Hardware reset input | Asynchronous active-low reset clears internal registers and restarts conversion sequence. |
| 7 REF+ | Positive reference input | Accepts 1.0V to 3.5V differential reference voltage; sets full-scale range for ADC conversion. |
| 8 REF− | Negative reference input | Completes reference differential pair; must be tied to GND or external low-impedance node. |
| 9 AIN1+ | Channel 1 positive analog input | Differential input with programmable gain; supports buffered/unbuffered modes per configuration bit. |
| 10 AIN1− | Channel 1 negative analog input | Paired with AIN1+; common-mode range extends to GND −30mV and VDD +30mV (unbuffered). |
| 11 AIN2+ | Channel 2 positive analog input | Second fully differential input channel; independently selectable via internal MUX control register. |
| 12 AIN2− | Channel 2 negative analog input | Paired with AIN2−; shares same PGA and buffer architecture as Channel 1. |
| 13 CLKIN | External clock input | Accepts 400kHz–2.5MHz square wave; disables internal oscillator when driven externally. |
| 14 CLKOUT | Crystal oscillator output | Drives external crystal (e.g., 2.4576MHz) between CLKIN and CLKOUT pins for stable clock source. |
| 15 VDD | Positive supply | 4.75V–5.25V main power rail; PSRR >90dB across gain settings minimizes supply noise coupling. |
| 16 GND | Analog/digital ground | Single ground pin; requires low-impedance connection to minimize noise in precision analog paths. |
Key Features
| Feature | Design Value |
|---|---|
| On-demand self-calibration | Offset and gain calibration executed in-system without external equipment; maintains accuracy over temperature and time. |
| Programmable input buffering | Buffered mode increases input impedance (>1GΩ) and enables direct connection to high-impedance sensors (e.g., thermocouples). |
| Dual fully differential input channels | Independent AIN1± and AIN2± inputs with shared PGA and filter - supports multiplexed or simultaneous dual-sensor acquisition. |
| Internal 1MHz / 2.4576MHz oscillator | Eliminates need for external clock source; 2.4576MHz enables precise 60Hz rejection via integer ratio sampling. |
| 98dB 50Hz/60Hz notch filtering | Integrated digital filter provides fixed-frequency rejection without external components - critical for AC mains–noisy environments. |
Applications
| Weigh Scales | Strain-Gauge Measurements |
|---|---|
|
Use Scenario: High-resolution weight measurement in platform scales, hopper scales, and tank weighing systems using load cell bridges. IC Role / Device Role / Timing Role: Primary ADC digitizing mV-level bridge output; performs PGA amplification, sigma-delta conversion, and digital filtering. Use Value: ±0.0015% INL and 16-bit no-missing-codes resolution enable ≤0.01% full-scale accuracy; >98dB 60Hz rejection suppresses ambient EMI in factory floors. |
Use Scenario: Static and dynamic strain monitoring in structural health monitoring, test benches, and material stress analysis. IC Role / Device Role / Timing Role: Precision front-end ADC for Wheatstone bridge outputs; supports ratiometric measurement with internal reference. Use Value: Programmable gain (1–128) accommodates wide bridge sensitivities (0.5–100mV/V); buffered inputs prevent loading of high-Z foil gauges. |
| Pressure Transducers | RTD Measurements |
|
Use Scenario: Industrial pressure sensing in HVAC, process control, and hydraulic systems using piezoresistive or capacitive transducers. IC Role / Device Role / Timing Role: Signal conditioner and digitizer for millivolt-level transducer outputs; handles excitation current sourcing via external circuitry. Use Value: Low 1.2mW power dissipation enables use in explosion-proof enclosures with thermal limits; −40°C to +85°C rating suits outdoor installations. |
Use Scenario: Precision temperature measurement in industrial ovens, reactors, and environmental chambers using Pt100/Pt1000 RTDs. IC Role / Device Role / Timing Role: High-accuracy ADC for 4-wire RTD configurations; supports ratiometric measurement with external current source and reference. Use Value: 16-bit resolution and <1µV RMS noise at gain=128 enable <0.1°C temperature resolution; built-in calibration reduces system-level drift compensation effort. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision sigma-delta ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7705BRUZ | 16-bit, 2-channel sigma-delta ADC; 2.7V–5.25V supply; no internal oscillator; requires external clock or crystal. | Lacks integrated oscillator and programmable input buffers; lower common-mode rejection (90dB) than MAX1416EUE+T. | Choose AD7705BRUZ only if external clock infrastructure already exists and board space permits discrete oscillator components. |
| ADS1220IPWR | 24-bit, 4-channel delta-sigma ADC; 2.7V–5.5V supply; integrated PGA (1–128), reference, and burnout current sources. | Higher resolution but higher power (~1.2mW vs. 0.6mW typical); lacks 50Hz/60Hz notch filter - requires software or external filtering. | Choose ADS1220IPWR when 24-bit resolution is mandatory and system firmware can implement digital line-frequency rejection. |
Compared with AD7705BRUZ and ADS1220IPWR, the MAX1416EUE+T uniquely combines integrated 2.4576MHz oscillator, hardware 50Hz/60Hz notch filtering, and guaranteed 16-bit no-missing-codes performance in a single 16-pin TSSOP - reducing BOM count and layout complexity for cost-sensitive industrial instrumentation.
Availability
MAX1416EUE+T is available at Aetrix Electronics and suitable for industrial instruments, weigh scales, strain-gauge systems, and loop-powered transmitters requiring stable component supply and long-term production continuity.
Supply support for MAX1416EUE+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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX1415/MAX1416 product line was designed specifically for high-accuracy, low-power industrial measurement systems requiring robust 50Hz/60Hz rejection, integrated signal conditioning, and minimal external components.
FAQ
What is the operating supply voltage range for the MAX1416EUE+T?
The MAX1416EUE+T operates from a 4.75V to 5.25V single supply. This range ensures compatibility with standard 5V industrial logic and sensor excitation circuits while maintaining specified DC accuracy, noise performance, and 50Hz/60Hz rejection. Operation outside this range may cause calibration drift or functional failure.
Does the MAX1416EUE+T include an internal oscillator?
Yes, the MAX1416EUE+T includes an internal oscillator configurable for either 1MHz or 2.4576MHz operation via the CLK pin. The 2.4576MHz setting enables precise integer-ratio sampling for optimal 60Hz line-frequency rejection - a key feature confirmed in the device's electrical characteristics tables and functional diagram.
What is the maximum achievable 50Hz/60Hz rejection with the MAX1416EUE+T?
The MAX1416EUE+T delivers >98dB normal-mode rejection at both 50Hz and 60Hz when configured with appropriate filter notches (e.g., 25Hz/50Hz or 20Hz/60Hz). This specification is measured under buffered mode, gain = 1, and is guaranteed across the full operating temperature range - eliminating need for external analog notch filters.
Can the MAX1416EUE+T interface directly with a microcontroller SPI port?
Yes, the MAX1416EUE+T features an SPI-/QSPI-/MICROWIRE®-compatible 3-wire serial interface (SCLK, DIN, DOUT) with CS and DRDY control signals. It supports standard SPI modes and requires no level-shifting when interfaced with 5V-tolerant MCU GPIOs - confirmed by VIH/VIL specifications and timing diagrams in the datasheet.
What is the guaranteed INL performance of the MAX1416EUE+T?
The MAX1416EUE+T guarantees ±0.0015% FSR integral nonlinearity (INL) maximum in gain = 1, bipolar unbuffered mode - a value explicitly stated in the "DC ACCURACY" section of the MAX1416 Electrical Characteristics table. This ensures monotonic 16-bit behavior with no missing codes across its full operating range.
MAX1416EUE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 500
- Number of Inputs:
- 2
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- MUX-PGA-ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- External
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 5V
- Features:
- PGA
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1416EUE+T FAQ
1.How can I place an order for MAX1416EUE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1416EUE+T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MAX1416EUE+T reliable?
The price and inventory of MAX1416EUE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1416EUE+T is usually 5 days.
3.What payment methods are accepted for MAX1416EUE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1416EUE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1416EUE+T?
MAX1416EUE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1416EUE+T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MAX1416EUE+T?
For technical support, including MAX1416EUE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1416EUE+T requirements.
6.How does Aetrix verify that MAX1416EUE+T is sourced from the original manufacturer or authorized distributors?
All MAX1416EUE+T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MAX1416EUE+T meets industry standards.
7.What is the process for return or replacement of MAX1416EUE+T?
All MAX1416EUE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX1416EUE+T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MAX1416EUE+T part is unused and in its original packaging.
Return procedure for MAX1416EUE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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