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Analog Devices Inc./Maxim Integrated MAX396CWI+
- Part No.:
- MAX396CWI+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 28-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MAX396CWI+.pdf
- Description:
- IC MUX 16:1 100OHM 28SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,539
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Product details
Overview
MAX396CWI+ 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, enabling high-accuracy sampling in battery-powered test equipment and industrial process controllers.
For engineers reviewing the MAX396CWI+ datasheet, MAX396CWI+ pinout, MAX396CWI+ application, or MAX396CWI+ equivalent, key selection criteria include guaranteed RON flatness (≤10Ω over ±3V signal range), charge injection ≤5pC, dual-supply operation (±2.7V to ±8V), and pin compatibility with industry-standard analog muxes including MAX306, DG406, and DG506A.
Technical Context
The MAX396CWI+ implements a silicon-gate CMOS architecture optimized for low distortion and minimal signal path degradation. Its switch matrix uses precision-matched transistor pairs to ensure ≤6Ω RON mismatch between any two channels and ≤10Ω RON variation across the full analog signal range (VCOM, VNO = V− to V+).
It supports break-before-make switching with ≤70ns tOPEN, transition times <250ns, and logic-level compatibility with TTL/CMOS inputs (VAH ≥ 2.4V, VAL ≤ 0.8V). Charge injection is tightly controlled at ≤5pC (CL = 100pF), critical for sample-and-hold accuracy.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel count | 16 single-ended analog channels |
| On-resistance (max) | 100Ω at TA = +25°C; ensures minimal signal attenuation and gain error in precision measurement paths |
| RON matching (max) | 6Ω between any two channels; enables consistent channel calibration and ratiometric measurements |
| Analog signal range | V− to V+; supports rail-to-rail input/output swing with ±2.7V to ±8V dual supplies or +2.7V to +16V single supply |
| Charge injection (max) | 5pC; limits voltage glitch on hold capacitors, preserving <16-bit settling accuracy in ADC front-ends |
| Input off-leakage (max) | 1nA at +85°C; prevents measurable offset drift in high-impedance sensor interfaces (e.g., thermocouples, pH electrodes) |
| Transition time (max) | 250ns; allows multiplexing of signals up to ~1.4MHz without significant edge degradation |
Pinout & Package
MAX396CWI+ is housed in a 28-pin Wide SOIC (SO) package with 0.300" body width and standard 0.050" lead pitch. The package is RoHS-compliant and rated for 0°C to +70°C operation (C-grade).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V+ | Positive supply input; accepts +2.7V to +16V (single) or ±2.7V to ±8V (dual) with internal ESD protection >2000V |
| 12 | GND | Logic ground reference; must be connected to system ground for proper digital interface operation |
| 14–17 | A3–A0 | 4-bit binary address inputs; select one of 16 NOx inputs to connect to COM terminal |
| 18 | EN | Active-high enable; disables all switches when low, reducing leakage and power consumption |
| 19–26 | NO1–NO8 | Analog input terminals (channels 1–8); bidirectional, matched RON, and low capacitance (11pF off) |
| 28 | COM | Common analog I/O terminal; connects to selected NOx channel when enabled and address matches |
| 27 | V− | Negative supply input; required for dual-supply operation; sets lower bound of analog signal range |
Key Features
| Feature | Design Value |
|---|---|
| Pin compatibility | Fully pin-compatible with MAX306, DG406, and DG506A - enables drop-in replacement without PCB redesign |
| RON flatness | ≤10Ω variation over full signal range (±3V), minimizing gain nonlinearity in wide-dynamic-range applications |
| Low power consumption | <10μW quiescent power; extends battery life in portable ATE and handheld instruments |
| ESD robustness | Guaranteed >2000V HBM per Method 3015.7; reduces field failure risk in handling and assembly |
| Temperature stability | RON drift <125Ω max over −40°C to +85°C; maintains channel matching in industrial environments |
Applications
| Automatic Test Equipment | Industrial Process Control |
|---|---|
|
Use Scenario: Multiplexing multiple sensor inputs (RTDs, strain gauges) into a single high-resolution ADC in modular rack-mounted testers. IC Role / Device Role / Timing Role: Precision analog switch routing calibrated sensor signals while preserving low-offset, low-drift performance. Use Value: ≤6Ω RON matching eliminates inter-channel gain error; <1nA off-leakage prevents bias current-induced offset in high-Z sensor bridges. |
Use Scenario: Routing analog outputs from PLC analog output modules to multiple actuators or field instruments. IC Role / Device Role / Timing Role: High-voltage-tolerant analog multiplexer enabling flexible I/O configuration in DIN-rail mounted controllers. Use Value: ±8V dual-supply support accommodates 4–20mA loop drivers; 250ns switching enables real-time reconfiguration during runtime. |
| Audio Signal Routing | Sample-and-Hold Circuits |
|
Use Scenario: Selecting between multiple line-level audio sources in professional mixing consoles or broadcast gear. IC Role / Device Role / Timing Role: Low-distortion analog switch providing transparent signal path with minimal crosstalk (<−92dB). Use Value: 11pF NO-off capacitance and <5pC charge injection prevent audible zipper noise and transient artifacts during source switching. |
Use Scenario: Connecting sensor outputs to a sample-and-hold amplifier prior to digitization in medical imaging front-ends. IC Role / Device Role / Timing Role: Precision switch isolating hold capacitor during acquisition phase to minimize droop and settling error. Use Value: ≤1nA COM off-leakage at +85°C limits hold capacitor discharge to <0.1% over 10ms, supporting 16-bit accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DG406DN-E3 | Higher RON (120Ω typ), no guaranteed RON matching spec, 1000V HBM ESD rating | Limited suitability for precision ratiometric measurements due to unguaranteed channel matching | Select when cost sensitivity outweighs matching requirements and ±15V operation is needed |
| ADG1616BRUZ | Lower RON (5.5Ω typ), but only specified for +3.3V/+5V single supply; no dual-supply support | Incompatible with ±5V industrial signal chains requiring bipolar analog ranges | Prefer for low-voltage, high-speed data acquisition where rail-to-rail analog swing is not required |
Compared with DG406DN-E3 and ADG1616BRUZ, the MAX396CWI+ uniquely combines guaranteed 6Ω RON matching, ±8V dual-supply capability, and <1nA leakage at +85°C - making it the only option qualified for high-accuracy, wide-temperature industrial multiplexing without design compromises.
Availability
MAX396CWI+ is available at Aetrix Electronics and suitable for automatic test equipment, industrial process control systems, and portable instrumentation requiring stable component supply across extended temperature and voltage ranges.
Supply support for MAX396CWI+ 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 demanding industrial, automotive, and communications applications.
The MAX396CWI+ belongs to Maxim's precision analog multiplexer product line, engineered specifically for low-leakage, low-RON, and high-matching performance in data acquisition and automated test systems.
FAQ
What supply voltage ranges does the MAX396CWI+ support?
The MAX396CWI+ operates with a single +2.7V to +16V supply or dual ±2.7V to ±8V supplies. When using a single supply, V− must be connected to GND. Performance is not guaranteed below +2.7V, though functional switching may occur down to +1V. The MAX396CWI+ maintains CMOS-logic input compatibility and fast switching across its full rated supply range.
Is the MAX396CWI+ pin-compatible with other industry-standard analog multiplexers?
Yes, the MAX396CWI+ is explicitly pin-compatible with the MAX306, DG406, and DG506A multiplexers. This allows direct replacement in existing designs without PCB layout changes. Pin mapping for V+, GND, EN, A3–A0, COM, NO1–NO16, and V− matches these legacy parts, simplifying upgrades to improved leakage, RON matching, and charge injection performance.
What is the maximum guaranteed on-resistance mismatch between channels for the MAX396CWI+?
The MAX396CWI+ guarantees ≤6Ω on-resistance (RON) mismatch between any two channels at +25°C, and ≤8Ω over the full operating temperature range (0°C to +70°C). This specification is measured under standardized conditions (INO = 1mA, VCOM = ±3.5V, V+ = 5V, V− = −5V) and ensures predictable gain consistency across all 16 channels in the MAX396CWI+.
How does the MAX396CWI+ perform at elevated temperatures, such as +85°C?
At +85°C, the MAX396CWI+ maintains input off-leakage current <1nA and output off-leakage <2.5nA - critical for high-impedance sensor interfaces. Its on-resistance increases to ≤125Ω (max), and RON matching degrades to ≤8Ω. These values are fully characterized and guaranteed for the C-grade version's 0°C to +70°C range; for +85°C operation, the E-grade variant (MAX396EWI+) is recommended.
What is the charge injection specification for the MAX396CWI+, and why does it matter?
The MAX396CWI+ guarantees ≤5pC maximum charge injection (VCTE) with a 100pF load capacitance. This parameter quantifies the unwanted charge transferred to the signal path when a switch opens or closes. In sample-and-hold or switched-capacitor circuits, excessive charge injection causes voltage glitches and settling errors - so the MAX396CWI+'s 5pC limit directly supports 16-bit+ ADC accuracy without additional correction circuitry.
MAX396CWI+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- 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+ FAQ
1.How can I place an order for MAX396CWI+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX396CWI+ 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+ reliable?
The price and inventory of MAX396CWI+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX396CWI+ is usually 5 days.
3.What payment methods are accepted for MAX396CWI+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX396CWI+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX396CWI+?
MAX396CWI+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX396CWI+ 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+?
For technical support, including MAX396CWI+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX396CWI+ requirements.
6.How does Aetrix verify that MAX396CWI+ is sourced from the original manufacturer or authorized distributors?
All MAX396CWI+ 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+ meets industry standards.
7.What is the process for return or replacement of MAX396CWI+?
All MAX396CWI+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX396CWI+, 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+ part is unused and in its original packaging.
Return procedure for MAX396CWI+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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