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Analog Devices Inc./Maxim Integrated MAX4711CSE+
- Part No.:
- MAX4711CSE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4711CSE+.pdf
- Description:
- IC SWITCH SPST-NCX4 25OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,513
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Product details
Overview
The MAX4711CSE+ 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 is used in battery-operated test equipment for reliable signal routing under overvoltage transients.
For engineers reviewing the MAX4711CSE+ datasheet, MAX4711CSE+ pinout, MAX4711CSE+ application, or MAX4711CSE+ equivalent, key selection criteria include fault-protection voltage limits, on-resistance match (≤1Ω max), rail-to-rail analog range, TTL/CMOS logic compatibility, and narrow SO-16 package compatibility with legacy MAX391 footprints.
Technical Context
The MAX4711CSE+ implements dual-FET (N+P parallel) switching per channel to achieve low RON and flat on-resistance across signal range. Its fault protection uses independent high- and low-fault comparators that disable the main FETs and activate clamp FETs (P2/N2) when NO_/NC_ exceeds V+ or V− by ~150mV, clamping COM_ to the appropriate supply rail.
During fault events, the device maintains high-impedance isolation on NO_/NC_, sources/sinks up to ±15mA via clamp FETs, and retains ±12V fault tolerance even with supplies removed. COM_ pins are not fault-protected and rely on internal ESD diodes-exceeding V+/V− risks damage.
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 |
| RON match | 1Ω max between channels - enables matched gain/attenuation in multi-channel instrumentation |
| Fault protection (power off) | ±12V on NO_/NC_ - protects downstream circuitry during system power-down or brownout |
| Supply range | +2.7V to +11V (single) or ±2.7V to ±5.5V (dual) - supports wide battery and industrial rail flexibility |
| Logic thresholds | VIL = +0.8V, VIH = +2.4V - guarantees interoperability with 3.3V/5V TTL and CMOS controllers |
| Switching speed | tON < 125ns, tOFF < 80ns - suitable for high-speed multiplexing in data acquisition |
| Off-isolation | −59dB at 1MHz - suppresses crosstalk between inactive channels in dense signal routing |
Pinout & Package
MAX4711CSE+ is housed in a 16-pin narrow SO (Small Outline) package, 7.5mm × 5.7mm body, 1.27mm pitch, with standard JEDEC MO-153 footprint. Pin 1 marked by notch or dot.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 8, 9, 16) | Digital control inputs | Fault-protected logic inputs; drive NC switches low to open, high to close; tolerate V− +12V |
| COM1–COM4 (Pins 2, 7, 10, 15) | Analog common terminals | Non-fault-protected bidirectional analog nodes; 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; clamp to V+/V− during overvoltage |
| V+ (Pin 13) | Positive supply | Primary positive rail; connects to +2.7V–+11V (single) or +4.5V–+5.5V (dual); powers clamp FETs |
| V− (Pin 4) | Negative supply | Connects to GND (single) or −4.5V–−5.5V (dual); reference for low-fault detection and clamp sinking |
| GND (Pin 5) | Ground reference | System ground return; required for single-supply operation and logic threshold referencing |
| N.C. (Pin 12) | No connection | Not internally bonded; must be left floating or grounded per layout best practices |
Key Features
| Feature | Design Value |
|---|---|
| Fault-protected NC inputs | NO_/NC_ pins withstand ±12V with power off and +12V/−7V with +5V supply - eliminates need for external TVS in field-deployed test gear |
| Rail-to-rail analog operation | Signal range spans V− to V+ with <5Ω RFLAT - preserves full dynamic range of sensors and DAC outputs |
| Pin-compatible upgrade | Direct replacement for MAX391/MAX392/MAX393 in same SO-16 footprint - enables drop-in reliability enhancement without PCB rework |
| Low leakage | ±10nA COM_/NO_/NC_ off-leakage at +25°C - critical for high-impedance sensor front-ends and battery-life-sensitive portable systems |
| Fast, predictable switching | 125ns tON/80ns tOFF with <5ns jitter - supports deterministic timing in automated test sequencing |
Applications
| Battery-Operated Test Equipment | Redundant Signal Routing |
|---|---|
Use Scenario: Portable multimeter or handheld signal analyzer performing automatic range switching and channel multiplexing in field environments with unpredictable ESD and supply fluctuations. IC Role / Device Role / Timing Role: Quad NC switch routes analog sensor inputs to ADC while providing ±12V fault immunity during probe contact bounce or accidental overvoltage. Use Value: Eliminates external protection components, reduces BOM count by 3–4 discrete TVS diodes per channel, and extends battery life via sub-100µA quiescent current. | Use Scenario: Avionics flight-control interface where primary and backup sensor signals must be isolated but rapidly swappable upon failure detection. IC Role / Device Role / Timing Role: MAX4711CSE+ acts as fail-safe analog gate; NC configuration ensures default signal path remains active unless commanded open during fault recovery. Use Value: Guarantees continuity during power interruption (±12V fault hold) and enables <700ns fault recovery - meets DO-160 Section 22 transient immunity requirements. |
| Industrial Process Control I/O | Communication System Signal Conditioning |
Use Scenario: PLC analog input module conditioning 4–20mA loop signals and thermocouple voltages in electrically noisy factory settings with ground potential shifts. IC Role / Device Role / Timing Role: Isolates field-side analog inputs from backplane ADC using NC topology; fault protection absorbs induced surges from motor drives or relay coils. Use Value: Withstands ±7V faults at ±5V supplies - prevents latch-up and data corruption during 2kV EFT bursts per IEC 61000-4-4 Level 4. | Use Scenario: Base station RF front-end where IF signals from multiple receivers are routed to shared demodulators with minimal crosstalk and distortion. IC Role / Device Role / Timing Role: Low-RON, high-off-isolation (−59dB) analog switch selects between diversity antenna paths without degrading SNR or introducing intermodulation. Use Value: 30pF COMON capacitance and −87dB channel-to-channel crosstalk preserve signal integrity up to 340MHz bandwidth. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX391CSE+ | No fault protection; RON = 35Ω max; only ±5V supply rating | Suitable for benign lab environments with controlled signal ranges and stable supplies | Select MAX391CSE+ only if fault immunity is unnecessary and cost is primary constraint |
| ADG1411BRUZ | Quad SPST, but NO configuration only; ±15V fault protection; 1.8Ω RON; requires external charge pump for rail-to-rail | Better for high-precision, high-voltage industrial DAQ where NC function is not required | Choose ADG1411BRUZ when lower RON and higher fault voltage are needed, accepting NO-only topology and added complexity |
Compared with MAX391CSE+, MAX4711CSE+ adds ±12V fault tolerance and rail-to-rail operation at modest RON cost; versus ADG1411BRUZ, it offers native NC functionality and simpler single/dual supply support but trades 1.8Ω RON for robustness in uncontrolled environments.
Availability
MAX4711CSE+ is available at Aetrix Electronics and suitable for battery-operated test equipment, redundant signal routing, industrial process control I/O, and communication system signal conditioning requiring stable component supply across extended temperature and voltage ranges.
Supply support for MAX4711CSE+ 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 MAX4711CSE+ belongs to Maxim's fault-protected analog switch product line, engineered specifically for signal routing in harsh electrical environments where overvoltage transients, supply brownouts, and field-repair scenarios demand intrinsic protection without external components.
FAQ
What is the maximum fault voltage the MAX4711CSE+ can withstand with power removed?
The MAX4711CSE+ sustains ±12V on its NO_/NC_ pins with all supplies disconnected. This is guaranteed across the full operating temperature range and enables safe handling during board insertion, hot-swap events, or system power-down sequences without risk of latch-up or permanent damage. The COM_ pins lack this protection and must remain within V− to V+ at all times.
How does the MAX4711CSE+ differ from the MAX391CSE+ in terms of pin compatibility and functionality?
The MAX4711CSE+ shares identical pinout and package (16-pin narrow SO) with the MAX391CSE+, enabling direct PCB replacement. However, MAX4711CSE+ adds fault protection on NO_/NC_ pins, supports rail-to-rail analog signals, and provides normally closed (NC) switching-whereas MAX391CSE+ is non-fault-protected and offers only NO configuration. Both accept the same logic levels.
Can the MAX4711CSE+ operate from a +3.3V single supply, and what are the key performance trade-offs?
Yes, the MAX4711CSE+ operates from +2.7V to +11V single supply. At +3.3V, RON increases to 75Ω max (vs. 25Ω at ±4.5V), tON/tOFF extend to 500ns/225ns, and fault clamp current drops to 0.5–3.0mA. Logic thresholds adjust to VIH = +2.0V/VIL = +0.6V. These values are fully specified and tested per the datasheet's +3V supply section.
Is the COM_ pin fault-protected on the MAX4711CSE+?
No, the COM_ pins on the MAX4711CSE+ are not fault-protected. They connect directly to internal ESD diodes tied to V+ and V−. If a COM_ voltage exceeds V+ or falls below V− by more than ~0.7V, forward conduction occurs, risking excessive current and device damage. External clamping or strict signal-range limiting is required for COM_ nodes.
What is the on-resistance match specification for the MAX4711CSE+, and why is it important in precision applications?
The MAX4711CSE+ guarantees ≤1Ω maximum on-resistance match (∆RON) between its four NC channels at +25°C. This tight matching ensures uniform gain, attenuation, or time constants across parallel signal paths-critical in instrumentation amplifiers, multi-channel data loggers, and calibration circuits where channel-to-channel consistency directly impacts measurement accuracy and system linearity.
MAX4711CSE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- 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-SOIC
MAX4711CSE+ FAQ
1.How can I place an order for MAX4711CSE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4711CSE+ 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 MAX4711CSE+ reliable?
The price and inventory of MAX4711CSE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4711CSE+ is usually 5 days.
3.What payment methods are accepted for MAX4711CSE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4711CSE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4711CSE+?
MAX4711CSE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4711CSE+ 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 MAX4711CSE+?
For technical support, including MAX4711CSE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4711CSE+ requirements.
6.How does Aetrix verify that MAX4711CSE+ is sourced from the original manufacturer or authorized distributors?
All MAX4711CSE+ 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 MAX4711CSE+ meets industry standards.
7.What is the process for return or replacement of MAX4711CSE+?
All MAX4711CSE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4711CSE+, 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 MAX4711CSE+ part is unused and in its original packaging.
Return procedure for MAX4711CSE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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