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Analog Devices Inc./Maxim Integrated MAX4512ESE+
- Part No.:
- MAX4512ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4512ESE+.pdf
- Description:
- IC SW SPST-NOX4 160OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,691
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Product details
Overview
The MAX4512ESE+ from Maxim Integrated is a quad, single-pole/single-throw (SPST), normally open (NO), fault-protected analog switch IC. It operates with ±4.5V to ±18V dual supplies or +9V to +36V single supply, delivers rail-to-rail signal handling, features ±36V fault protection on NO/NC pins, and maintains 175Ω max on-resistance at ±15V. It is used in industrial data acquisition systems where overvoltage transients must be tolerated without latch-up or damage.
For engineers reviewing the MAX4512ESE+ datasheet, MAX4512ESE+ pinout, MAX4512ESE+ application, or MAX4512ESE+ equivalent, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, confirmed fault-protection behavior under power-off conditions, and two rigorously cross-checked alternative parts for industrial analog switching.
Technical Context
The MAX4512ESE+ implements dual-FET parallel architecture (N-channel + P-channel) per channel to achieve low on-resistance and true rail-to-rail conduction-unlike traditional triple-FET fault-protected switches. Its internal comparators monitor NO/NC pins continuously against V+ and V−, enabling automatic high-impedance isolation during ±36V faults while sourcing/sinking up to ±10mA from V+/V− to COM during active fault clamping.
Logic inputs are TTL- and CMOS-compatible across full supply range (±15V or +12V), with guaranteed thresholds of 0.8V (low) and 2.4V (high). Power-supply sequencing is unnecessary: all switches default OFF with power removed, and fault protection remains active at ±40V when unpowered-critical for hot-swap and maintenance scenarios in avionics and process control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | ±4.5V to ±18V dual or +9V to +36V single - supports legacy ±15V industrial rails and modern high-voltage sensor interfaces without level-shifting. |
| On-Resistance (RON) | 175Ω max at ±15V - ensures minimal signal attenuation and thermal drift in precision 12-bit DAQ front-ends. |
| Fault Protection | ±36V on NO/NC pins with power applied; ±40V with power off - protects downstream ADCs and op-amps from field-wiring faults and ESD events. |
| Off-Leakage Current | 0.5nA at +25°C, 10nA at +85°C - preserves accuracy in high-impedance sensor multiplexing (e.g., thermocouples, pH electrodes). |
| Turn-On/Off Time | 500ns/750ns typical at ±15V - enables reliable sampling of 1MHz signals in automated test equipment (ATE) scan paths. |
| Logic Compatibility | 0.8V/2.4V thresholds - interoperates directly with both 3.3V/5V microcontrollers and legacy TTL logic without external translators. |
| Charge Injection | 1.5pC typical - minimizes voltage glitch on sampled-hold capacitors, critical for low-distortion data acquisition. |
Pinout & Package
MAX4512ESE+ uses a 16-pin narrow SO (SOIC-N) package, 150 mil width, with standard 0.050" pitch. Pin 12 is N.C.; GND (pin 5) serves digital reference only; V− (pin 4) connects to system ground in single-supply mode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (pins 1, 2, 15, 16) | Digital control inputs | Active-high logic; drive internal level translators to switch NO–COM path; tolerate 0.8V/2.4V thresholds across full supply range. |
| COM1–COM4 (pins 7, 8, 10, 11) | Analog common terminals | Non-fault-protected; must remain within V− to V+ range; serve as bidirectional signal ports to multiplexers or ADC inputs. |
| NO1–NO4 (pins 6, 9, 13, 14) | Fault-protected normally open analog terminals | Withstand ±36V faults; become high-Z during overvoltage; clamp COM output to V+ or V− during fault via booster FETs. |
| V+ (pin 13) | Positive supply input | Powers analog switches and internal logic; internally connected to substrate; sets logic high threshold. |
| V− (pin 4) | Negative supply input | Connect to GND for single-supply operation; increases gate drive strength and reduces RON when negative. |
| GND (pin 5) | Digital ground reference | No analog signal reference; ties logic circuitry to system ground; hosts ESD diodes to V+/V−. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Signals from V− to V+ pass unattenuated through NO–COM path - eliminates need for external level shifters in ±10V sensor interfaces. |
| Automatic fault isolation | NO/NC pins go high-Z within nanoseconds when exceeding V+/V− by ~50mV - prevents current injection into damaged downstream circuits. |
| Power-off fault protection | ±40V tolerance on NO/NC with V+/V− unpowered - safeguards during board insertion/removal or brownout conditions in redundant systems. |
| Break-before-make timing | Not applicable - MAX4512ESE+ is NO-only; only MAX4513 includes BBM delay (50–100ns) for SPDT configurations. |
| Low power consumption | <2mW typical at ±15V - enables use in battery-backed or energy-constrained industrial monitoring nodes. |
Applications
| Industrial Data Acquisition | Avionics Signal Routing |
|---|---|
|
Use Scenario: Multiplexing multiple ±10V sensor outputs (strain gauges, accelerometers) into a shared 16-bit SAR ADC in harsh factory environments. IC Role / Device Role / Timing Role: Quad SPST NO switch routing analog signals; fault protection prevents latch-up during cable disconnect transients. Use Value: Eliminates need for external TVS diodes and series resistors per channel, reducing BOM count and PCB area by 30% vs. non-fault-protected alternatives. |
Use Scenario: Selecting between primary and backup flight control sensors in fly-by-wire systems where wiring faults must not compromise safety integrity. IC Role / Device Role / Timing Role: Fault-isolating analog switch ensuring continuity of valid sensor data even during ±36V lightning-induced surges on harnesses. Use Value: Enables DO-160 Section 22 Level 3 compliance without external protection circuitry, simplifying certification evidence for redundancy management. |
| Process Control I/O Modules | ATE Channel Switching |
|
Use Scenario: Isolating 4–20mA transmitter loops and 0–10V analog outputs in PLC backplanes exposed to 24VDC field wiring faults. IC Role / Device Role / Timing Role: Normally open switch enabling safe "break-before-make" reconfiguration of analog I/O channels during runtime. Use Value: Prevents short-circuit currents from propagating across modules during hot-swap maintenance, meeting IEC 61000-4-5 surge immunity requirements. |
Use Scenario: Routing DUT signals to parametric test instruments (e.g., SMUs, digitizers) in semiconductor ATE handlers with fast channel cycling. IC Role / Device Role / Timing Role: Low-RON, low-charge-injection analog switch enabling sub-microsecond settling for 1MSPS automated testing. Use Value: Reduces per-channel test time by 12% versus DG411-based solutions due to faster turn-on/turn-off and lower glitch-induced re-sampling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG412BRZ | Quad SPST NO switch, ±15V supply, 35Ω RON, no fault protection, 20nA leakage @ +85°C | Lacks ±36V fault tolerance; requires external TVS/clamp networks for industrial use | Select when ultra-low RON dominates reliability requirements and fault exposure is controlled (e.g., lab-grade instrumentation). |
| TS5A3157DCKR | Single SPST NO, +1.65V to +5.5V supply, 0.75Ω RON, no fault protection, 100nA leakage @ +85°C | Only single-channel, low-voltage only; incompatible with ±15V or +24V industrial rails | Use only in portable, battery-powered 3.3V systems where rail-to-rail operation below 5V suffices and fault risk is negligible. |
Compared with ADG412BRZ and TS5A3157DCKR, the MAX4512ESE+ uniquely delivers integrated ±36V fault protection with rail-to-rail operation across industrial voltage ranges - eliminating external protection components while maintaining <1nA leakage and sub-1µs switching in demanding environments.
Availability
MAX4512ESE+ is available at Aetrix Electronics and suitable for industrial data acquisition, avionics signal routing, and process control I/O modules requiring stable component supply, long-term lifecycle support, and guaranteed fault-protection performance.
Supply support for MAX4512ESE+ 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 high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and communications markets.
The MAX451x family was engineered specifically for fault-tolerant analog signal routing in harsh environments - prioritizing robustness, rail-to-rail fidelity, and seamless drop-in replacement for legacy DG-series switches without redesign.
FAQ
What is the maximum fault voltage the MAX4512ESE+ can withstand with power applied?
The MAX4512ESE+ withstands ±36V faults on its NO1–NO4 pins when V+ and V− are powered. This rating applies across the full operating temperature range (−40°C to +85°C) and is validated per Absolute Maximum Ratings. Exceeding ±36V risks permanent damage, even momentarily. The MAX4512ESE+ does not protect COM or IN pins - those must remain within V− to V+.
Can the MAX4512ESE+ operate from a single +12V supply?
Yes, the MAX4512ESE+ supports single-supply operation from +9V to +36V. For +12V use, connect V− (pin 4) to GND (pin 5), apply +12V to V+ (pin 13), and ensure all analog signals on NO/COM pins stay within 0V to +12V. On-resistance rises to 260Ω max, and fault protection remains ±36V referenced to GND - fully compliant with industrial +12V sensor standards.
Is the MAX4512ESE+ pin-compatible with the DG412?
Yes, the MAX4512ESE+ is explicitly designed as a pin-compatible upgrade to the DG412. Both share identical 16-pin SOIC-N pinouts, logic-level compatibility, and SPST NO functionality. However, the MAX4512ESE+ adds fault protection on NO pins and rail-to-rail operation - no PCB changes are needed, but system-level fault resilience improves significantly without layout modification.
What happens to the MAX4512ESE+ outputs during power-down?
When V+ and V− are removed, all four switches in the MAX4512ESE+ automatically turn OFF, and the NO1–NO4 pins enter high-impedance state with ±40V fault tolerance. COM pins float but remain unprotected - they must not be driven externally. This behavior ensures safe hot-swap capability and prevents backfeeding in modular systems, a key requirement in redundant/backup architectures.
Does the MAX4512ESE+ require power-supply sequencing?
No, the MAX4512ESE+ requires no power-supply sequencing. V+ and V− may be applied in any order, and the device functions correctly regardless of ramp rate or timing skew. This eliminates sequencing circuitry in multi-rail systems and simplifies startup in battery-backed or wide-input-range industrial power supplies - a documented advantage over earlier fault-protected switch generations.
MAX4512ESE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 160Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 9V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 500ns, 400ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1.5pC
- Channel Capacitance (CS(off), CD(off)):
- 10pF, 5pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -66dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
MAX4512ESE+ FAQ
1.How can I place an order for MAX4512ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4512ESE+ 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 MAX4512ESE+ reliable?
The price and inventory of MAX4512ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4512ESE+ is usually 5 days.
3.What payment methods are accepted for MAX4512ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4512ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4512ESE+?
MAX4512ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4512ESE+ 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 MAX4512ESE+?
For technical support, including MAX4512ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4512ESE+ requirements.
6.How does Aetrix verify that MAX4512ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX4512ESE+ 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 MAX4512ESE+ meets industry standards.
7.What is the process for return or replacement of MAX4512ESE+?
All MAX4512ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4512ESE+, 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 MAX4512ESE+ part is unused and in its original packaging.
Return procedure for MAX4512ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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