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Analog Devices Inc./Maxim Integrated MAX4524ETB+
- Part No.:
- MAX4524ETB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4524ETB+.pdf
- Description:
- INTEGRATED CIRCUIT
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Product details
Overview
MAX4524ETB+ from Maxim Integrated is a low-voltage, single-supply 4-channel analog multiplexer configured as a COM-to-NO0/NO1/NO2/NO3 switch with inhibit control. It operates from +2V to +12V, delivers 200Ω on-resistance at +5V, supports rail-to-rail analog signals, and features 2nA max off-leakage at +25°C - ideal for battery-powered signal routing in portable instrumentation.
For engineers reviewing the MAX4524ETB+ datasheet, MAX4524ETB+ pinout, MAX4524ETB+ application, or MAX4524ETB+ equivalent, this page provides verified electrical specs, truth-table–validated switching behavior, thermal-rated performance across –40°C to +85°C, TDFN-EP package mechanical data, and direct alternatives with documented channel-count and supply-voltage alignment.
Technical Context
The MAX4524ETB+ implements a CMOS transmission-gate architecture with dual address inputs (ADDA, ADDB) decoding four independent normally-open analog paths. Its inhibit (INH) input forces all channels into high-impedance open state regardless of address state, enabling system-level signal isolation without reconfiguring logic.
All analog terminals (COM, NO0–NO3) are bidirectional and rated for rail-to-rail operation up to V+; digital inputs meet TTL/CMOS thresholds (0.8V–2.4V at +5V), and internal ESD diodes clamp signals exceeding V+ or GND - requiring external current limiting if analog inputs exceed supply rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2V to +12V single supply - enables direct integration into 3.3V or 5V systems without level-shifting. |
| On-Resistance (RON) | 200Ω max at +5V - ensures minimal signal attenuation and voltage drop in precision sensor or audio paths. |
| On-Resistance Match (∆RON) | 8Ω max at +5V - guarantees consistent gain and channel-to-channel tracking in multi-path acquisition systems. |
| Off-Leakage Current | 2nA max at +25°C, 20nA max at +85°C - preserves accuracy in high-impedance sensor front-ends and battery-monitoring circuits. |
| Switch Bandwidth | 50MHz flat response in 50Ω systems - supports video, USB 1.1, and baseband communication signal routing. |
| Charge Injection | 0.8pC typical - minimizes settling error and glitch-induced offset in sample-and-hold or ADC multiplexing stages. |
| Inhibit Turn-Off Time | 180ns max at +5V - allows fast system-level shutdown during fault conditions or power sequencing. |
Pinout & Package
MAX4524ETB+ uses a 10-pin TDFN-EP package (3mm × 3mm, exposed pad), rated for –40°C to +85°C operation. The exposed pad must be soldered to V+ for optimal thermal performance and ESD robustness.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO0) | Analog Normally Open Input 0 | Signal path connected to COM when ADDA=0, ADDB=0; bidirectional, rail-to-rail capable. |
| 2 (NO1) | Analog Normally Open Input 1 | Signal path connected to COM when ADDA=1, ADDB=0; matched RON ensures channel uniformity. |
| 3 (NO2) | Analog Normally Open Input 2 | Signal path connected to COM when ADDA=0, ADDB=1; identical electrical specs to NO0–NO1. |
| 4 (NO3) | Analog Normally Open Input 3 | Signal path connected to COM when ADDA=1, ADDB=1; shares same leakage and bandwidth specs. |
| 5 (INH) | Inhibit Control Input | Active-high logic: drives all switches open when high; TTL/CMOS compatible at +5V supply. |
| 6 (ADDA) | Address Input A | LSB of 2-bit binary select; controls channel selection alongside ADDB; 0.8V–2.4V threshold. |
| 7 (ADDB) | Address Input B | MSB of 2-bit binary select; together with ADDA, selects one of four NO paths to COM. |
| 8 (GND) | Digital and Analog Ground Reference | Reference for logic inputs and internal translators; no analog signal reference - only supply limit. |
| 9 (COM) | Common Analog Terminal | Bidirectional hub for all four NO paths; handles rail-to-rail signals up to V+ and down to GND. |
| 10 (V+) | Positive Supply Input | Powers analog switches and logic circuitry; exposed pad must be connected to V+ for thermal/ESD integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Single +2V to +12V operation | Eliminates dual-supply design complexity in portable and industrial systems using 3.3V or 5V rails. |
| 200Ω on-resistance at +5V | Reduces insertion loss and distortion in audio, sensor, and data-acquisition signal chains. |
| 8Ω on-resistance match between channels | Enables precise ratiometric measurements across multiple sensor inputs without calibration per channel. |
| 2nA max off-leakage at +25°C | Maintains DC accuracy in high-impedance applications such as pH probes, thermocouples, and battery voltage monitors. |
| TTL/CMOS-compatible logic thresholds | Direct interface with microcontrollers and FPGAs without external level shifters at +5V supply. |
| Tiny 3mm × 3mm TDFN-EP package | Reduces PCB area by >50% vs. µMAX; exposed pad improves thermal dissipation for sustained switching loads. |
Applications
| Battery-Operated Portable Instrumentation | Audio Signal Routing in Wearables |
|---|---|
|
Use Scenario: Multiplexing outputs from multiple temperature, pressure, and humidity sensors into a single ADC input in handheld diagnostic tools. IC Role / Device Role / Timing Role: 4-channel analog multiplexer providing sequential access to sensor outputs under MCU address control. Use Value: Low 200Ω on-resistance and 2nA leakage preserve measurement accuracy; single 3.3V supply simplifies power architecture. |
Use Scenario: Switching between left/right earbud drivers and microphone inputs in true wireless stereo (TWS) earbuds. IC Role / Device Role / Timing Role: Bidirectional analog switch routing audio signals between codec, amplifier, and MEMS mic paths. Use Value: Rail-to-rail capability supports full 0–3.3V audio swing; 50MHz bandwidth maintains fidelity up to 20kHz. |
| Low-Voltage Data-Acquisition Front-Ends | Communications Channel Selection |
|
Use Scenario: Selecting among four differential sensor inputs (e.g., strain gauges) feeding an instrumentation amplifier in IoT node designs. IC Role / Device Role / Timing Role: Precision analog multiplexer with matched on-resistance ensuring consistent gain across channels. Use Value: 8Ω RON match eliminates inter-channel gain error; low charge injection prevents ADC sampling glitches. |
Use Scenario: Routing UART, I²C, or SPI signals between multiple peripherals and a host processor in modular communication gateways. IC Role / Device Role / Timing Role: Logic-controlled analog switch enabling dynamic reconfiguration of serial bus connections. Use Value: TTL/CMOS compatibility allows direct MCU GPIO control; fast 180ns turn-off supports burst-mode protocols. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4524EUB+ | Same electrical specs and logic function, but in 10-pin µMAX package (3.05mm × 3.05mm); no exposed pad. | Preferred where board space permits larger footprint and thermal load is lower; less effective ESD handling than TDFN-EP. | Select MAX4524EUB+ only if µMAX footprint is already standardized and thermal derating is not required. |
| TMUX1134IRUNR | 4-channel mux with 1.5Ω typical RON at 3.3V, wider –40°C to +125°C range, but requires separate VDD and GND for logic/analog domains. | Suitable for automotive or extended-temp industrial use; dual-supply requirement adds layout complexity vs. MAX4524ETB+'s single supply. | Choose TMUX1134IRUNR only when sub-2Ω on-resistance or +125°C operation is mandatory - not for drop-in replacement. |
Compared with MAX4524EUB+, MAX4524ETB+ offers superior thermal performance and ESD immunity via its V+-connected exposed pad; compared with TMUX1134IRUNR, it simplifies power design with true single-supply operation but trades off ultra-low RON and extended temperature range.
Availability
MAX4524ETB+ is available at Aetrix Electronics and suitable for battery-operated equipment, audio/video signal routing, and low-voltage data-acquisition systems requiring stable component supply across industrial and medical OEM programs.
Supply support for MAX4524ETB+ 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 industrial, medical, and communications applications.
The MAX4524ETB+ belongs to Maxim's low-voltage analog switch family, engineered specifically for rail-to-rail signal routing in space-constrained, single-supply portable systems.
FAQ
What is the maximum operating temperature range for MAX4524ETB+?
The MAX4524ETB+ is specified for continuous operation from –40°C to +85°C. Electrical parameters including on-resistance, leakage, and switching times are guaranteed over this full industrial temperature range, with test correlation performed at +25°C and design validation across extremes.
Does MAX4524ETB+ support rail-to-rail analog signal switching?
Yes, MAX4524ETB+ supports rail-to-rail analog signal switching - signals from GND to V+ pass bidirectionally through COM and any selected NO terminal. This is enabled by its CMOS transmission-gate architecture and absence of internal level-shifting circuitry.
Can MAX4524ETB+ operate from a 3.3V supply?
Yes, MAX4524ETB+ operates from +2V to +12V, including standard 3.3V supplies. At +3.3V, typical on-resistance is ~350Ω (interpolated from 500Ω at +3V and 200Ω at +5V), and logic thresholds adjust to 0.5V (low) and 2.0V (high) for reliable interface with 3.3V MCUs.
Is the exposed pad on the MAX4524ETB+ TDFN package required to be connected?
Yes, the exposed pad on the MAX4524ETB+ TDFN package must be soldered to the V+ net. It serves as both a thermal path and an ESD discharge route; leaving it floating degrades thermal performance and compromises ESD robustness beyond the rated >2000V HBM spec.
How does the INH pin affect switching behavior in MAX4524ETB+?
The INH pin on MAX4524ETB+ is an active-high inhibit control: when driven high (≥2.4V at +5V supply), it forces all four analog paths into high-impedance open state regardless of ADDA/ADDB states. This provides fail-safe signal isolation during power-up, fault conditions, or system sleep modes.
MAX4524ETB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4524ETB+ FAQ
1.How can I place an order for MAX4524ETB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4524ETB+ 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 MAX4524ETB+ reliable?
The price and inventory of MAX4524ETB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4524ETB+ is usually 5 days.
3.What payment methods are accepted for MAX4524ETB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4524ETB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4524ETB+?
MAX4524ETB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4524ETB+ 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 MAX4524ETB+?
For technical support, including MAX4524ETB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4524ETB+ requirements.
6.How does Aetrix verify that MAX4524ETB+ is sourced from the original manufacturer or authorized distributors?
All MAX4524ETB+ 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 MAX4524ETB+ meets industry standards.
7.What is the process for return or replacement of MAX4524ETB+?
All MAX4524ETB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4524ETB+, 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 MAX4524ETB+ part is unused and in its original packaging.
Return procedure for MAX4524ETB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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