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Analog Devices Inc./Maxim Integrated MAX4711CUE
- Part No.:
- MAX4711CUE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX4711CUE.pdf
- Description:
- IC SW SPST-NCX4 25OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,597
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Product details
Overview
MAX4711CUE from Maxim Integrated is a fault-protected, quad SPST analog switch with four normally closed (NC) channels, rail-to-rail signal handling, 25Ω max on-resistance at +25°C, ±12V fault protection with power off, and operation from +2.7V to +11V single supply or ±2.7V to ±5.5V dual supplies. It is used in battery-operated test equipment for robust signal routing under overvoltage transients.
For engineers reviewing the MAX4711CUE datasheet, MAX4711CUE pinout, MAX4711CUE application, or MAX4711CUE equivalent, key selection criteria include fault-protection voltage limits per supply condition, on-resistance match (≤1Ω max), rail-to-rail analog range, TTL/CMOS logic compatibility, and TSSOP-16 package thermal performance.
Technical Context
The MAX4711CUE integrates parallel N- and P-channel FETs per channel to achieve low RON and flat on-resistance across signal range. Its dual comparator-based fault-sensing circuit detects input excursions beyond V+ or V− by ~150mV, disabling the main switch and activating clamp FETs to limit COM output to the appropriate supply rail.
Fault response includes ≤200ns turn-on delay and 700ns recovery time under ±7V transient conditions with 1kΩ load. Digital inputs tolerate overvoltage up to (V− + 12V), and all switches default to OFF when unpowered - critical for system-level safety in avionics and redundant control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 25Ω max at +25°C, +4.5V/+−4.5V supplies - ensures minimal signal attenuation in precision analog paths |
| On-resistance match | 1Ω max between channels - enables matched gain/phase in multi-channel instrumentation |
| Fault protection (power off) | ±12V on NO_/NC_ pins - protects downstream circuitry during maintenance or hot-swap without bias |
| Supply range | +2.7V to +11V single or ±2.7V to ±5.5V dual - supports wide battery chemistries and industrial rails |
| Logic thresholds | VIH = +2.4V, VIL = +0.8V - guarantees interoperability with 5V TTL and CMOS controllers |
| Turn-off time (tOFF) | <80ns at +25°C - meets timing requirements for high-speed multiplexing in data acquisition |
| Off-isolation | −59dB at 1MHz - suppresses crosstalk between inactive channels in dense signal routing |
Pinout & Package
MAX4711CUE is housed in a 16-pin TSSOP package (4.4mm × 5mm, 0.65mm pitch) with exposed pad for thermal enhancement. Pin 12 is No Connect (N.C.).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 8, 9, 16) | Digital control inputs | Fault-protected logic inputs; drive NC switches ON/OFF; compatible with 3V/5V logic |
| COM1–COM4 (Pins 2, 7, 10, 15) | Analog common terminals | Non-fault-protected bidirectional signal path; must remain within V− to V+ to avoid ESD diode conduction |
| NC1–NC4 (Pins 3, 6, 11, 14) | Normally closed analog inputs | Fault-protected analog inputs; conduct to COM when IN = LOW; withstand ±12V fault with power off |
| V+ (Pin 13) | Positive supply | Primary power rail; sets upper analog signal limit; connects to +2.7V–+11V or +5.5V in dual-supply mode |
| V− (Pin 4) | Negative supply | Ground reference for single supply or negative rail for dual supply; connects to GND or −2.7V to −5.5V |
| GND (Pin 5) | Ground reference | System ground return; required for single-supply operation; ties to V− in dual-supply configuration |
| N.C. (Pin 12) | No connection | Internally unconnected; must be left floating or tied to GND per layout best practices |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog switching | Supports full V− to V+ signal swing with <5Ω on-resistance flatness - preserves dynamic range in sensor interfaces |
| Automatic fault clamping | Clamps COM output to V+ or V− during overvoltage - eliminates need for external TVS or op-amp clamping circuits |
| Power-off fault protection | Maintains ±12V input tolerance with zero bias - enables safe probing of live circuits during system shutdown |
| Pin-compatible upgrade | Direct replacement for MAX391/MAX392/MAX393 - allows drop-in reliability enhancement without PCB redesign |
| Low charge injection | 25pC typical - minimizes voltage glitch on high-impedance nodes like ADC sample capacitors |
Applications
| Test Equipment Signal Routing | Battery-Operated Data Acquisition |
|---|---|
Use Scenario: Multiplexing sensor inputs to a shared ADC in portable calibrators where probe contact may induce ±10V transients. IC Role / Device Role / Timing Role: Quad NC switch isolates unused channels while passing active signals; fault clamping prevents ADC saturation or damage. Use Value: Eliminates need for discrete protection diodes per channel, reducing BOM count and board area by >30%. | Use Scenario: Routing thermocouple, RTD, and voltage outputs in handheld environmental monitors powered by two AA cells. IC Role / Device Role / Timing Role: Low RON and rail-to-rail operation preserve microvolt-level accuracy; 2.7V minimum supply extends battery life. Use Value: Enables true 0–100% battery voltage utilization without signal clipping or gain error drift. |
| Avionics Redundant Bus Switching | Industrial Process Control I/O Modules |
Use Scenario: Selecting between primary and backup flight control sensor buses where lightning-induced transients exceed ±8V. IC Role / Device Role / Timing Role: Normally closed configuration provides fail-safe continuity; fault detection disables faulty bus and clamps output. Use Value: Meets DO-160 Section 22 Level 3 surge immunity without external protection components. | Use Scenario: Isolating 4–20mA current loop inputs in PLC analog input cards exposed to field wiring faults. IC Role / Device Role / Timing Role: NC switches pass loop current by default; fault protection blocks >±12V common-mode surges on field wires. Use Value: Prevents latch-up and permanent damage during installation errors or cable shorts, improving field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4712CUE | Four normally open (NO) configuration vs. MAX4711CUE's NC topology; identical fault protection, RON, and timing specs | Suitable where default-open signal path is required (e.g., safety interlocks) | Select MAX4712CUE only when fail-open behavior is mandated; otherwise MAX4711CUE provides inherent continuity on power loss |
| ADG1414BRUZ | Higher RON (1.8Ω typ), no fault protection, 16-TSSOP pinout matches but logic polarity differs | Lacks ±12V fault tolerance; requires external protection for harsh environments | Choose ADG1414BRUZ only for cost-sensitive, benign environments where fault events are negligible |
Compared with MAX4712CUE and ADG1414BRUZ, the MAX4711CUE uniquely delivers fail-safe NC operation with integrated ±12V fault protection - enabling simplified, robust designs in test, avionics, and industrial systems without external protection components.
Availability
MAX4711CUE is available at Aetrix Electronics and suitable for test equipment, battery-operated data acquisition, avionics redundant switching, and industrial process control I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4711CUE 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 MAX4711CUE belongs to Maxim's fault-protected analog switch product line, engineered specifically for signal integrity and system resilience in environments prone to voltage transients, such as field instrumentation and aerospace subsystems.
FAQ
What is the maximum fault voltage the MAX4711CUE can withstand with power removed?
The MAX4711CUE maintains ±12V fault protection on its NO_/NC_ pins even when unpowered. This capability allows safe probing of live circuits during maintenance or system shutdown without risk of damage to downstream components. The MAX4711CUE achieves this through internal high-impedance isolation and passive clamping structures that remain functional without bias.
Does the MAX4711CUE support rail-to-rail analog signal operation?
Yes, the MAX4711CUE supports true rail-to-rail analog signal handling from V− to V+ under normal operation. Its parallel N-/P-FET architecture ensures low on-resistance and flat RON across the full signal range. However, COM pins are not fault-protected - exceeding V− or V+ on COM will forward-bias internal ESD diodes and must be avoided.
How does the fault protection mechanism work in the MAX4711CUE?
The MAX4711CUE uses dual comparators to monitor NO_/NC_ voltages against V+ and V−. When an input exceeds either rail by ~150mV, the main switch FETs disable and clamp FETs activate - sourcing/sinking current from V+ or V− to hold COM at the appropriate rail. Recovery occurs automatically once the fault clears, with 700ns typical delay.
Can the MAX4711CUE operate from a single 3.3V supply?
Yes, the MAX4711CUE operates from +2.7V to +11V single supply. At +3.3V, it delivers 75Ω max RON (25°C), VIH = +2.0V, VIL = +0.6V, and maintains ±12V fault protection with power off. Logic inputs remain compatible with standard 3.3V CMOS drivers, making it suitable for low-voltage portable instrumentation.
Is the MAX4711CUE pin-compatible with legacy analog switches?
Yes, the MAX4711CUE features identical pinout to industry-standard MAX391/MAX392/MAX393 devices. This enables direct replacement in existing designs to add fault protection without PCB changes. However, note that only NO_/NC_ pins are fault-protected - COM pins retain standard CMOS switch behavior and require proper voltage limiting.
MAX4711CUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 25Ohm
- Channel-to-Channel Matching (ΔRon):
- 200mOhm
- Voltage - Supply, Single (V+):
- 2.7V ~ 11V
- Voltage - Supply, Dual (V±):
- ±2.7V ~ 5.5V
- Switch Time (Ton, Toff) (Max):
- 125ns, 80ns
- -3db Bandwidth:
- -
- Charge Injection:
- 25pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -87dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
MAX4711CUE FAQ
1.How can I place an order for MAX4711CUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4711CUE 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 MAX4711CUE reliable?
The price and inventory of MAX4711CUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4711CUE is usually 5 days.
3.What payment methods are accepted for MAX4711CUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4711CUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4711CUE?
MAX4711CUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4711CUE 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 MAX4711CUE?
For technical support, including MAX4711CUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4711CUE requirements.
6.How does Aetrix verify that MAX4711CUE is sourced from the original manufacturer or authorized distributors?
All MAX4711CUE 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 MAX4711CUE meets industry standards.
7.What is the process for return or replacement of MAX4711CUE?
All MAX4711CUE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4711CUE, 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 MAX4711CUE part is unused and in its original packaging.
Return procedure for MAX4711CUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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