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Analog Devices Inc./Maxim Integrated MAX396CWI+T
- Part No.:
- MAX396CWI+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX396CWI+T.pdf
- Description:
- IC MUX 16:1 100OHM 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,913
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Product details
Overview
MAX396CWI+T from Maxim Integrated is a precision 16-channel single-ended CMOS analog multiplexer designed for low-voltage signal routing in data acquisition and instrumentation systems. It delivers ≤100Ω on-resistance (max), ≤6Ω channel-to-channel RON matching, and <1nA input off-leakage at +85°C, operating from +2.7V to +16V single supply or ±2.7V to ±8V dual supplies.
For engineers reviewing the MAX396CWI+T datasheet, MAX396CWI+T pinout, MAX396CWI+T application, or MAX396CWI+T equivalent, this device is selected for high-accuracy, low-distortion analog switching where flat on-resistance over signal range, minimal charge injection (≤5pC), and guaranteed ESD protection (>2000V) are critical in battery-powered and industrial measurement designs.
Technical Context
The MAX396CWI+T implements a silicon-gate CMOS architecture with integrated decoder logic, enabling 16:1 analog signal selection via four binary address inputs (A0–A3) and an active-high enable (EN). Its switch cells are optimized for low charge injection and matched RON, supporting bidirectional signal flow between COM and any of NO1–NO16.
It supports both unipolar and bipolar analog signal ranges - up to V+ to V− - with guaranteed RON flatness ≤10Ω over ±3V signal swing (dual supply) and ≤16Ω (single +5V), while maintaining TTL/CMOS-compatible digital inputs and sub-250ns transition time across its full temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel count | 16-channel single-ended analog multiplexer - routes one of 16 inputs to common output (COM) under digital address control. |
| On-resistance (RON) | ≤100Ω max at +25°C (dual ±5V); ensures minimal signal attenuation and gain error in precision sensor/ADC front-ends. |
| RON matching | ≤6Ω max between channels - enables accurate ratiometric measurements and reduces channel-dependent offset in multiplexed systems. |
| Charge injection | ≤5pC max - limits voltage glitch on sampled-hold capacitors, preserving accuracy in data acquisition sampling stages. |
| Off-leakage current | <1nA at +85°C (input), <2.5nA (output) - prevents signal corruption in high-impedance sensor interfaces and long-settling circuits. |
| Supply range | +2.7V to +16V (single) or ±2.7V to ±8V (dual) - supports operation from Li-ion battery (3.0V) up to industrial 15V rails without level-shifting. |
| ESD rating | >2000V per Method 3015.7 - provides robust handling margin during PCB assembly and field service without external protection. |
Pinout & Package
MAX396CWI+T is housed in a 28-pin Wide SO (Small Outline) package with 300 mil body width and standard gull-wing leads. Pin 1 is marked by a beveled corner or dot; pin numbering follows counter-clockwise convention from top-left when viewed with marking side up.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| COM (Pin 28) | Analog common terminal | Bidirectional signal path shared across all 16 channels; connects to ADC input, DAC output, or amplifier summing node. |
| NO1–NO16 (Pins 19–26, 4–11) | Analog input/output terminals | 16 independent bidirectional analog ports; each electrically isolated when unselected, with <1nA leakage at +85°C. |
| A0–A3 (Pins 14–17) | Binary address inputs | Selects one of 16 channels (0000–1111); CMOS/TTL compatible (VIL ≤ 0.8V, VIH ≥ 2.4V) for direct microcontroller interface. |
| EN (Pin 18) | Enable control input | Active-high logic gate: disables all switches when low, reducing system power and preventing signal coupling during idle states. |
| V+ (Pin 1), V− (Pin 27) | Supply rails | Support single-ended (+2.7V to +16V) or split-rail (±2.7V to ±8V) operation; internal ESD diodes clamp transients to rails. |
| GND (Pin 12) | Digital ground reference | Logic return path; must be tied to system ground plane - separate from analog ground unless star-point connected per layout best practice. |
Key Features
| Feature | Design Value |
|---|---|
| Pin compatibility | Fully pin-compatible with industry-standard MAX306, DG406, and DG506A - enables drop-in replacement without PCB redesign. |
| RON flatness | ≤10Ω max variation over ±3V analog range - maintains consistent gain and linearity across full signal swing in sensor conditioning paths. |
| Low power consumption | <10μW quiescent - ideal for always-on battery-operated equipment such as portable meters and IoT edge sensors. |
| Break-before-make timing | 5–70ns interval - prevents momentary shorting between channels during address transitions, avoiding signal crosstalk or bus contention. |
| Off-isolation | −75dB at 100kHz - suppresses interference from adjacent channels in high-density multiplexed audio or RF signal routing applications. |
Applications
| Automatic Test Equipment | Industrial Process Control |
|---|---|
Use Scenario: Multiplexing multiple sensor inputs (thermocouples, RTDs, strain gauges) into a single high-resolution ADC in PLC I/O modules. IC Role / Device Role / Timing Role: Precision analog switch providing low-offset, low-leakage signal path selection with guaranteed RON matching for ratiometric accuracy. Use Value: Enables 16-sensor monitoring per IC with ≤6Ω channel matching, minimizing calibration overhead and improving long-term measurement stability. |
Use Scenario: Routing analog outputs from multiple DACs to valve actuators or motor drivers in distributed control systems. IC Role / Device Role / Timing Role: High-voltage-tolerant analog multiplexer supporting ±8V dual supplies to interface with industrial 4–20mA loop drivers. Use Value: Delivers ≤100Ω RON and <2.5nA output leakage at +85°C, ensuring precise actuator positioning without drift due to switch resistance or leakage. |
| Audio Signal Routing | Sample-and-Hold Circuits |
Use Scenario: Selecting between 16 microphone preamp outputs in professional audio mixing consoles or beamforming arrays. IC Role / Device Role / Timing Role: Low-charge-injection (≤5pC), low-crosstalk (−92dB) analog mux preserving signal integrity in high-fidelity audio paths. Use Value: Prevents audible click/pop artifacts during channel switching and minimizes inter-channel bleed in multi-mic capture scenarios. |
Use Scenario: Connecting multiple sensor signals to a shared sample-and-hold amplifier prior to digitization in medical imaging front-ends. IC Role / Device Role / Timing Role: Precision analog switch with fast transition time (<250ns) and flat RON to minimize hold-step error and aperture uncertainty. Use Value: Ensures sub-LSB settling in 16-bit+ systems by limiting charge injection-induced voltage step on hold capacitor to <50μV (with 100pF load). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX306CWI+T | Same 16-channel function but higher RON (120Ω typ), wider temp range (−40°C to +85°C), and no guaranteed RON flatness spec. | Preferred for extended temperature environments where ultra-low leakage is secondary to ruggedness. | Choose MAX306CWI+T only if operating beyond +70°C or requiring legacy footprint compatibility without requalification. |
| ADG1616BRUZ | 16-channel, lower RON (4.5Ω typ), but requires ≥4.5V supply minimum and lacks dual-supply support; no guaranteed <1nA leakage at +85°C. | Better suited for low-voltage, high-speed DAQ where supply headroom exceeds 4.5V and bipolar signal handling is unnecessary. | Select ADG1616BRUZ when prioritizing ultra-low on-resistance and speed over wide supply flexibility and high-temp leakage performance. |
Compared with MAX306CWI+T and ADG1616BRUZ, the MAX396CWI+T uniquely balances wide supply range (+2.7V to +16V), guaranteed low leakage at +85°C, and tight RON matching - making it optimal for precision, battery-aware, and industrial-grade multiplexing where signal fidelity and thermal stability are non-negotiable.
Availability
MAX396CWI+T is available at Aetrix Electronics and suitable for automatic test equipment, industrial process control, and portable medical instrumentation requiring stable component supply across extended production lifecycles.
Supply support for MAX396CWI+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 MAX396 belongs to Maxim's precision analog multiplexer product line, engineered for low-distortion, low-leakage signal routing in data acquisition, instrumentation, and automated test systems demanding guaranteed parametric performance over temperature.
FAQ
What is the maximum operating temperature range for the MAX396CWI+T?
The MAX396CWI+T is rated for operation from 0°C to +70°C (Commercial grade). This is confirmed by the ordering information table in the datasheet, which lists "MAX396CWI" with "C" suffix denoting the 0°C to +70°C range. It is not rated for extended industrial (−40°C to +85°C) or military (−55°C to +125°C) temperature ranges.
Does the MAX396CWI+T support dual-supply operation, and what are the valid voltage ranges?
Yes, the MAX396CWI+T supports dual-supply operation with V+ and V− pins. Valid dual-supply ranges are ±2.7V to ±8V, meaning V+ can be +2.7V to +8V and V− can be −2.7V to −8V, with |V+ − V−| ≤ 17V. This allows flexible configurations including unbalanced supplies like +10V/−5V, as explicitly stated in the Applications Information section.
Is the MAX396CWI+T pin-compatible with the MAX306, and what does that mean for design reuse?
Yes, the MAX396CWI+T is explicitly documented as pin-compatible with the MAX306/MAX307, DG406/DG407, and DG506A/DG507A. This means identical PCB footprint, pad layout, and pin functions - enabling direct substitution without board modification, provided the system's electrical requirements (e.g., leakage, RON, charge injection) align with the tighter specs of the MAX396CWI+T.
What is the guaranteed maximum on-resistance flatness for the MAX396CWI+T, and why does it matter?
The MAX396CWI+T guarantees ≤10Ω maximum on-resistance flatness over the specified analog signal range (±3V with ±5V supplies). Flatness is defined as the difference between max and min RON across the signal swing. This ensures consistent gain and minimal distortion when routing varying-amplitude signals - critical in precision measurement and audio applications where amplitude-dependent nonlinearity must be minimized.
How does the charge injection specification of the MAX396CWI+T impact sample-and-hold circuit performance?
The MAX396CWI+T guarantees ≤5pC maximum charge injection. In sample-and-hold circuits, this injected charge transfers to the hold capacitor (e.g., 100pF), causing a voltage step ΔV = Q/C. With 5pC and 100pF, ΔV ≤ 50μV - directly limiting aperture error and enabling accurate settling in 16-bit+ systems. This value is measured and guaranteed per Figure 5 in the datasheet.
MAX396CWI+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-SOIC
MAX396CWI+T FAQ
1.How can I place an order for MAX396CWI+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX396CWI+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 MAX396CWI+T reliable?
The price and inventory of MAX396CWI+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX396CWI+T is usually 5 days.
3.What payment methods are accepted for MAX396CWI+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX396CWI+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX396CWI+T?
MAX396CWI+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX396CWI+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 MAX396CWI+T?
For technical support, including MAX396CWI+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX396CWI+T requirements.
6.How does Aetrix verify that MAX396CWI+T is sourced from the original manufacturer or authorized distributors?
All MAX396CWI+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 MAX396CWI+T meets industry standards.
7.What is the process for return or replacement of MAX396CWI+T?
All MAX396CWI+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX396CWI+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 MAX396CWI+T part is unused and in its original packaging.
Return procedure for MAX396CWI+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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