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Analog Devices Inc./Maxim Integrated MAX396EWI
- Part No.:
- MAX396EWI
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX396EWI.pdf
- Description:
- IC MUX 16:1 100OHM 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,581
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Product details
Overview
MAX396EWI from Maxim Integrated is a precision 16-channel single-ended CMOS analog multiplexer designed for low-voltage signal routing in data acquisition and test systems. It delivers 100Ω max on-resistance with ≤6Ω matching between channels, <1nA input off-leakage at +85°C, and 250ns max transition time under dual ±5V supply. It operates from +2.7V to +16V single supply or ±2.7V to ±8V dual supplies.
For engineers reviewing the MAX396EWI datasheet, MAX396EWI pinout, MAX396EWI application, or MAX396EWI equivalent, this page provides verified electrical specifications, package-validated pin functions, temperature-rated leakage and RON flatness data, and direct alternatives for industrial signal routing, battery-powered instrumentation, and ATE designs requiring stable channel-to-channel matching.
Technical Context
The MAX396EWI implements a silicon-gate CMOS switch architecture with integrated address decoding (A0–A3) and enable control (EN), supporting 1-of-16 channel selection. Its low charge injection (5pC max) and flat on-resistance (10Ω max variation over ±3.5V signal range) ensure minimal settling error in precision sample-and-hold and sensor multiplexing.
It guarantees ESD robustness >2000V (HBM), supports unbalanced supplies (e.g., +10V/−5V), and maintains TTL/CMOS logic compatibility across its full operating temperature range (−40°C to +85°C). Pin compatibility with MAX306, DG406, and DG506A enables drop-in replacement in legacy layouts without redesign.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel count | 16 single-ended analog channels - enables consolidation of up to 16 sensor or signal sources onto one ADC input. |
| On-resistance (RON) | 100Ω max at +25°C, 125Ω max over −40°C to +85°C - ensures minimal gain error and voltage drop in low-current signal paths. |
| RON matching | 6Ω max between channels - critical for ratiometric measurements and multi-channel calibration stability. |
| Charge injection | 5pC max - limits voltage glitch on sampled hold capacitors, reducing acquisition settling time. |
| Input off-leakage | <1nA at +85°C - preserves high-impedance source integrity in thermocouple or pH probe interfaces. |
| Supply range | +2.7V to +16V single or ±2.7V to ±8V dual - supports operation from Li-ion battery (3.0V) to industrial rails (±5V, ±8V). |
| Transition time | 250ns max - enables multiplexing at >1MHz effective sampling rates in fast-switching applications. |
Pinout & Package
MAX396EWI is supplied in a 28-pin Wide SOIC (SO) package (body width 7.5mm), rated for −40°C to +85°C operation. Pin 1 is located at the top-left corner adjacent to the index mark; pin numbering proceeds counter-clockwise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V+ | Positive supply rail - must be powered before V− and logic inputs to prevent latch-up; supports up to +16V. |
| 2,3,13 | N.C. | No internal connection - left floating; no PCB trace or pad required. |
| 4–11 | NO16–NO9 | Analog input channels 16 through 9 - bidirectional, capable of sourcing/sinking up to ±10mA. |
| 12 | GND | Digital logic ground reference - separate from analog return; requires low-impedance connection to system ground plane. |
| 14–17 | A3–A0 | 4-bit binary address inputs - select one of 16 channels; compatible with 3.3V or 5V logic levels (VIL ≤ 0.8V, VIH ≥ 2.4V). |
| 18 | EN | Active-high enable - disables all switches when low; reduces supply current to <1µA in disabled state. |
| 19–26 | NO1–NO8 | Analog input channels 1 through 8 - electrically identical to NO9–NO16; share same RON and leakage specs. |
| 27 | V− | Negative supply rail - required for dual-supply operation; supports down to −8V; tied to GND for single-supply use. |
| 28 | COM | Common analog I/O terminal - bidirectional path shared by all 16 channels; must remain within V− to V+ range. |
Key Features
| Feature | Design Value |
|---|---|
| Pin-compatible replacement | Direct substitute for MAX306, DG406, and DG506A - eliminates PCB rework in legacy ATE and industrial control upgrades. |
| RON flatness | 10Ω max variation over ±3.5V signal range - maintains consistent gain across full input span in precision amplification paths. |
| Low power consumption | <10µW typical quiescent power - extends battery life in portable DMMs and handheld data loggers. |
| ESD protection | >2000V HBM - reduces need for external TVS diodes in board-level ESD hardening for field-deployed equipment. |
| Break-before-make timing | 70ns max - prevents momentary shorting between channels during address transitions, avoiding signal crosstalk. |
Applications
| Automatic Test Equipment | Industrial Process Control |
|---|---|
Use Scenario: Routing multiple sensor outputs (RTDs, strain gauges) to a shared high-resolution ADC in modular rack-mounted testers. IC Role / Device Role / Timing Role: 16:1 analog signal selector with sub-6Ω RON matching, enabling channel-to-channel gain calibration without hardware adjustment. Use Value: Eliminates per-channel op-amp buffers, reducing BOM cost and board area while maintaining 16-bit measurement accuracy across all inputs. |
Use Scenario: Multiplexing 4–20mA transmitter signals from distributed field instruments into a central PLC analog input module. IC Role / Device Role / Timing Role: High-voltage-tolerant analog switch handling ±10V common-mode range with <2.5nA COM off-leakage at +85°C. Use Value: Ensures signal integrity over long cable runs and elevated ambient temperatures, preventing drift-induced control loop errors. |
| Audio Signal Routing | Low-Voltage Data Acquisition |
Use Scenario: Selecting between 16 microphone preamp outputs in a digital mixing console with variable gain stages. IC Role / Device Role / Timing Role: Low-charge-injection (5pC) switch minimizing pop/click artifacts during real-time channel switching. Use Value: Enables seamless mute/unmute and source switching without audible transients, meeting professional audio latency requirements. |
Use Scenario: Scanning thermistor, humidity, and voltage monitoring points in a battery-powered environmental sensor node. IC Role / Device Role / Timing Role: Ultra-low leakage (<1nA off-leakage) analog mux preserving microamp-level bias currents in high-Z sensor bridges. Use Value: Extends usable battery life beyond 5 years by minimizing standby current draw while retaining measurement fidelity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX306EWI | Same 16-channel architecture but higher RON (120Ω typ), wider temp range (−40°C to +85°C), and no guaranteed RON matching spec. | Lacks guaranteed 6Ω RON matching and 10Ω flatness - less suitable for ratiometric or calibrated multi-sensor systems. | Select MAX396EWI when channel matching, low charge injection, or tighter RON flatness are required; choose MAX306EWI only for cost-sensitive, non-calibrated routing. |
| DG406DJ | 16-channel mux with 100Ω RON, but higher charge injection (25pC) and no specified RON matching or flatness. | Higher charge injection causes larger hold capacitor glitches; not recommended for precision sample-and-hold or high-speed data acquisition. | Prefer MAX396EWI for applications demanding <5pC charge injection and validated RON consistency; DG406DJ suits general-purpose switching where speed and matching are secondary. |
Compared with MAX306EWI and DG406DJ, the MAX396EWI uniquely combines guaranteed RON matching (≤6Ω), flatness (≤10Ω), and ultra-low charge injection (≤5pC), making it the only option among the three qualified for metrology-grade multiplexing and battery-operated precision sensing.
Availability
MAX396EWI is available at Aetrix Electronics and suitable for automatic test equipment, industrial process control systems, and low-voltage data acquisition requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX396EWI 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 and mixed-signal ICs for industrial, medical, and communications applications, emphasizing performance, integration, and reliability.
The MAX396EWI belongs to Maxim's precision analog multiplexer product line, engineered specifically for high-fidelity signal routing in environments demanding low leakage, matched on-resistance, and robust ESD tolerance.
FAQ
What is the maximum supply voltage rating for MAX396EWI?
The MAX396EWI supports a single positive supply up to +16V or dual supplies ranging from ±2.7V to ±8V. Absolute maximum ratings specify V+ to GND ≤ +17V and V− to GND ≥ −17V, with V+ to V− differential ≤ +17V. Operation beyond these limits risks permanent damage, and design margins should maintain at least 1V headroom per rail.
Does MAX396EWI support single-supply operation below 3V?
The MAX396EWI is specified for reliable operation down to +2.7V single supply; performance is not guaranteed below this level. While functional behavior may persist at 1V–2.6V, on-resistance increases sharply (>650Ω) and switching times degrade significantly (up to 750ns), making sub-2.7V use unsuitable for production designs requiring specified timing or resistance accuracy.
How does the enable (EN) pin affect power consumption in MAX396EWI?
When EN is logic low, the MAX396EWI disables all internal switches and reduces total supply current to <1µA - effectively placing the device in ultra-low-power standby. This feature allows dynamic power gating in battery-powered systems, extending operational life without compromising channel isolation or leakage performance during sleep states.
Is MAX396EWI pin-compatible with MAX306EWI in the same SO package?
Yes, MAX396EWI and MAX306EWI share identical 28-pin Wide SO footprints and pin assignments, including V+, GND, COM, NO1–NO16, A0–A3, EN, and V−. This enables direct physical replacement without layout modification, though designers must verify that the tighter RON matching and lower charge injection of MAX396EWI align with system accuracy requirements.
What is the guaranteed RON flatness specification for MAX396EWI over temperature?
MAX396EWI guarantees RON flatness of ≤13Ω over the full −40°C to +85°C operating range when tested at ±3.5V analog signal swing under ±5V dual supply conditions. This ensures consistent signal attenuation across the entire input voltage range and temperature envelope, critical for applications like programmable gain instrumentation amplifiers.
MAX396EWI Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 16:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1.8Ohm
- Voltage - Supply, Single (V+):
- 2.7V ~ 16V
- Voltage - Supply, Dual (V±):
- ±2.7V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 150ns, 150ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 11pF, 80pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -92dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SOIC
MAX396EWI FAQ
1.How can I place an order for MAX396EWI through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX396EWI 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 MAX396EWI reliable?
The price and inventory of MAX396EWI are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX396EWI is usually 5 days.
3.What payment methods are accepted for MAX396EWI?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX396EWI transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX396EWI?
MAX396EWI orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX396EWI 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 MAX396EWI?
For technical support, including MAX396EWI datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX396EWI requirements.
6.How does Aetrix verify that MAX396EWI is sourced from the original manufacturer or authorized distributors?
All MAX396EWI 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 MAX396EWI meets industry standards.
7.What is the process for return or replacement of MAX396EWI?
All MAX396EWI units undergo pre-shipment inspection (PSI). If there is an issue with MAX396EWI, 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 MAX396EWI part is unused and in its original packaging.
Return procedure for MAX396EWI:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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