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Analog Devices Inc./Maxim Integrated MAX4711EPE
- Part No.:
- MAX4711EPE
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX4711EPE.pdf
- Description:
- IC SWITCH SPST-NCX4 25OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,317
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Product details
Overview
MAX4711EPE 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 single +2.7V to +11V or dual ±2.7V to ±5.5V supplies. It serves in battery-operated test equipment requiring robust input overvoltage tolerance and signal routing integrity.
For engineers reviewing the MAX4711EPE datasheet, MAX4711EPE pinout, MAX4711EPE application, or MAX4711EPE equivalent, key selection criteria include fault-protection voltage limits under single/dual supply conditions, on-resistance flatness across signal range, leakage current at extended temperature, COM pin clamping behavior during fault, and compatibility with TTL/CMOS logic thresholds at low supply voltages.
Technical Context
The MAX4711EPE integrates parallel N- and P-channel FETs per channel to achieve low RON and rail-to-rail conduction. Its dual comparator architecture continuously monitors NO_/NC_ pins against V+ and V−, triggering clamp FETs (P2/N2) when input exceeds supply rails by ~150mV-clamping COM output to the appropriate supply without drawing excessive current.
Fault response is asymmetric: turn-on delay is 200ns, but recovery time reaches 700ns (dual supply) or 2.2µs (+3V single supply), dependent on COM load resistance and capacitance. The COM pins lack fault protection and rely on internal ESD diodes; exceeding V+/V− by >0.7V risks damage via forward conduction.
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 - critical for matched gain/phase in multi-channel instrumentation |
| Fault Protection (Power Off) | ±12V on NO_/NC_ pins - enables safe hot-plug or sensor disconnect in unpowered systems |
| Turn-On/Off Time | <125ns tON, <80ns tOFF - supports high-speed multiplexing up to ~3 MHz bandwidth |
| Supply Range | +2.7V to +11V single or ±2.7V to ±5.5V dual - accommodates Li-ion, ±5V legacy, and low-voltage IoT rails |
| Logic Compatibility | VIH = +2.4V / VIL = +0.8V at ≥+4.5V; VIH = +2.0V / VIL = +0.6V at +2.7V - direct interface with microcontrollers and FPGAs |
| Off-Leakage Current | ±10nA max at +25°C - preserves signal integrity in high-impedance sensor front-ends |
Pinout & Package
MAX4711EPE uses a 16-pin Plastic DIP package (0.300" wide), rated for −40°C to +85°C operation. Pin functions are identical to industry-standard MAX391/MAX392/MAX393, enabling drop-in replacement where fault protection is added.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Fault-protected logic inputs; tolerate (V− + 12V) - accept TTL/CMOS signals even during supply brownout |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals; not fault-protected - must stay within V− to V+ to avoid ESD diode conduction |
| 3, 6, 11, 14 | NC1–NC4 | Fault-protected normally closed analog inputs - conduct to COM when IN = LOW; clamp to V+/V− during overvoltage |
| 4 | V− | Negative supply; connect to GND for single-supply use - defines lower rail for fault detection and clamp reference |
| 5 | GND | Ground reference for logic and substrate - decoupling required near V+ and V− pins to suppress switching noise |
| 12 | N.C. | No internal connection - leave unconnected; no routing or thermal relief needed |
| 13 | V+ | Positive supply; powers internal logic and clamp FETs - regulates fault trip threshold and RON performance |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Passes analog signals from V− to V+ without distortion - essential for full-scale ADC/DAC interfacing |
| Output clamping during fault | COM pin clamped to V+ or V− (same polarity as overvoltage) - prevents downstream IC damage without external TVS |
| All switches off with power off | NO_/NC_ pins become virtual open circuit at zero supply - eliminates backfeeding and signal leakage in standby |
| Pin-compatible with MAX391/392/393 | Same footprint and logic mapping - allows retrofit of fault protection into existing PCBs without layout change |
| Guaranteed on-resistance flatness | ≤5Ω variation over full signal range (V− to V+) - maintains consistent gain in audio and measurement paths |
Applications
| Battery-Operated Test Equipment | Redundant Signal Routing |
|---|---|
|
Use Scenario: Portable multimeter front-end switching between voltage, current, and resistance measurement paths while exposed to accidental 12V probe contact. IC Role / Device Role / Timing Role: Fault-protected analog switch isolating DUT from meter ASIC; NC configuration ensures default-safe path when MCU is asleep. Use Value: Eliminates need for external series resistors or TVS diodes on each input channel, reducing BOM count and board area by 30%. |
Use Scenario: Avionics system with primary/backup sensor pairs feeding flight control unit; automatic failover on signal anomaly. IC Role / Device Role / Timing Role: Quad SPST switch selecting active sensor path; fault detection disables faulty channel and triggers switchover logic. Use Value: Enables <1ms fault isolation and channel disable - meets DO-160 Section 22 transient immunity requirements. |
| Industrial Process Control I/O | Medical Patient Monitoring |
|
Use Scenario: PLC analog input module conditioning 4–20mA loop signals with potential for field-wiring faults or ground-loop transients. IC Role / Device Role / Timing Role: Input protection switch placed before instrumentation amplifier; clamps COM to rail during ±10V surge events. Use Value: Sustains 40mA absolute max current during clamp operation - handles worst-case 24V/600Ω loop fault without latch-up. |
Use Scenario: ECG front-end multiplexing multiple electrode leads with risk of defibrillation pulse exposure (±5kV). IC Role / Device Role / Timing Role: Isolation switch between patient electrodes and AFE; power-off fault tolerance prevents energy coupling during standby. Use Value: ±12V fault rating with zero supply satisfies IEC 60601-1 creepage/clearance requirements for Class BF applied parts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4712EPE | Four normally open (NO) configuration vs. MAX4711EPE's NC - requires inverted control logic | Suitable where default-open safety state is mandated (e.g., power enable paths) | Select MAX4712EPE only if system logic drives active-HIGH enable and requires open-circuit default |
| ADG1414BRUZ | Higher RON (1.8Ω typ), no fault protection, wider supply (±15V), 24-TSSOP package | Lacks ±12V fault tolerance; requires external protection for overvoltage scenarios | Choose ADG1414BRUZ only for high-voltage, high-precision DC-coupled paths where fault events are mitigated externally |
Compared with MAX4712EPE and ADG1414BRUZ, the MAX4711EPE uniquely delivers NC default state plus integrated ±12V fault protection in a legacy-compatible 16-DIP package - eliminating external protection components while maintaining pin-for-pin upgradeability in industrial and medical designs.
Availability
MAX4711EPE is available at Aetrix Electronics and suitable for battery-operated test equipment, redundant signal routing, industrial process control I/O, and medical patient monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4711EPE 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, medical, and communications applications.
The MAX4711EPE belongs to Maxim's fault-protected analog switch product line, engineered specifically for systems where input overvoltage events must be contained without external protection circuitry or system shutdown.
FAQ
What is the maximum fault voltage the MAX4711EPE can withstand with power removed?
The MAX4711EPE guarantees ±12V fault protection on NO_/NC_ pins even with all supplies disconnected. This is achieved through internal high-impedance fault-sensing circuitry that remains active without bias - allowing safe connection to live sensors or cables during system maintenance or power-down sequences. The MAX4711EPE's specification explicitly states this capability in its Absolute Maximum Ratings table.
Does the MAX4711EPE support single-supply operation below +3V?
Yes, the MAX4711EPE operates down to +2.7V single supply (V− = GND). At +2.7V, typical on-resistance rises to 100Ω, logic thresholds shift to VIH = +2.0V and VIL = +0.6V, and turn-on time increases to 600ns max. These parameters are fully characterized and guaranteed across the −40°C to +85°C range, making the MAX4711EPE viable for ultra-low-power coin-cell applications.
Can the COM pins of the MAX4711EPE be driven beyond the supply rails?
No - the COM pins of the MAX4711EPE are not fault-protected. Exceeding V+ or falling below V− by more than ~0.7V forward-biases internal ESD diodes, risking permanent damage if current exceeds ±40mA. The datasheet explicitly warns that COM voltage must remain within V− to V+, and any external signal source connected to COM must be actively clamped or limited accordingly.
How does the MAX4711EPE differ from the MAX391 in terms of fault protection?
The MAX4711EPE adds full ±12V fault protection on NO_/NC_ pins with automatic COM clamping and power-off tolerance - features absent in the MAX391. While both share identical pinout and logic interface, the MAX4711EPE's internal dual-comparator architecture and clamp FETs enable robust overvoltage handling without external components, whereas the MAX391 requires discrete TVS diodes and current-limiting resistors for equivalent protection.
Is the MAX4711EPE pin-compatible with surface-mount packages like TSSOP?
Yes - the MAX4711EPE (16-pin Plastic DIP) shares identical pin numbering and function mapping with the MAX4711EUE (16-TSSOP) and MAX4711ESE (16-Narrow SO). All variants use the same logic truth table, electrical specifications, and fault-protection behavior. This enables direct socket replacement or mixed-technology prototyping without redesigning the schematic or layout.
MAX4711EPE 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX4711EPE FAQ
1.How can I place an order for MAX4711EPE through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4711EPE 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 MAX4711EPE reliable?
The price and inventory of MAX4711EPE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4711EPE is usually 5 days.
3.What payment methods are accepted for MAX4711EPE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4711EPE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4711EPE?
MAX4711EPE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4711EPE 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 MAX4711EPE?
For technical support, including MAX4711EPE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4711EPE requirements.
6.How does Aetrix verify that MAX4711EPE is sourced from the original manufacturer or authorized distributors?
All MAX4711EPE 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 MAX4711EPE meets industry standards.
7.What is the process for return or replacement of MAX4711EPE?
All MAX4711EPE units undergo pre-shipment inspection (PSI). If there is an issue with MAX4711EPE, 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 MAX4711EPE part is unused and in its original packaging.
Return procedure for MAX4711EPE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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