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Analog Devices Inc./Maxim Integrated MAX4524ETB+T
- Part No.:
- MAX4524ETB+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4524ETB+T.pdf
- Description:
- INTEGRATED CIRCUIT
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Product details
Overview
MAX4524ETB+T from Maxim Integrated is a low-voltage, single-supply 4-channel analog multiplexer/demultiplexer IC with TTL/CMOS-compatible digital control, 200Ω on-resistance at +5V, rail-to-rail signal handling, and an inhibit input that simultaneously opens all channels. It serves as a precision signal routing device in battery-powered data-acquisition front-ends.
For engineers reviewing the MAX4524ETB+T datasheet, MAX4524ETB+T pinout, MAX4524ETB+T application, or MAX4524ETB+T equivalent, key selection criteria include guaranteed 2nA max on-leakage at +5V, 8Ω on-resistance match between channels, break-before-make timing (400ns max), and compatibility with +2V to +12V single-supply operation across industrial temperature range.
Technical Context
The MAX4524ETB+T implements four independent bidirectional analog switches controlled by two address bits (ADDA, ADDB) and a global inhibit (INH). Its CMOS architecture uses V+ and GND as sole supply rails, with internal logic-level translators driving switch gates-no separate analog/digital supplies required.
All analog pins (COM, NO0–NO3) support rail-to-rail voltage swing from GND to V+, and ESD protection diodes clamp signals exceeding those rails. Leakage current originates solely from reverse-biased ESD diodes, varying with analog signal level but guaranteed ≤2nA at +25°C and ≤20nA at +85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply 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 gain error in precision sensor interfaces. |
| On-Resistance Match (∆RON) | 8Ω max at +5V - critical for matched-gain applications like differential channel switching or ratiometric measurements. |
| Off-Leakage Current | 2nA max at +25°C - preserves accuracy in high-impedance, low-current circuits such as pH sensors or photodiode amplifiers. |
| Logic Thresholds | VIL = 0.8V, VIH = 2.4V at +5V - guarantees reliable TTL/CMOS compatibility without external biasing. |
| Switching Speed | t(ON) = 200ns, t(OFF) = 180ns at +5V - supports multiplexing of audio-band and moderate-speed data signals. |
| Charge Injection | 5pC max - limits voltage glitch on high-impedance nodes during channel switching, reducing settling time overhead. |
Pinout & Package
MAX4524ETB+T is housed in a 10-pin TDFN-EP package (3mm × 3mm) with exposed pad connected to V+. The compact footprint supports high-density PCB layouts in portable instrumentation and space-constrained embedded systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO0) | Analog normally open input 0 | Bidirectional signal path; connects to COM when ADDA=0, ADDB=0 - used for first multiplexed channel. |
| 2 (NO1) | Analog normally open input 1 | Bidirectional signal path; connects to COM when ADDA=1, ADDB=0 - second multiplexed channel. |
| 3 (NO2) | Analog normally open input 2 | Bidirectional signal path; connects to COM when ADDA=0, ADDB=1 - third multiplexed channel. |
| 4 (NO3) | Analog normally open input 3 | Bidirectional signal path; connects to COM when ADDA=1, ADDB=1 - fourth multiplexed channel. |
| 5 (GND) | Digital/analog ground reference | Common return for logic and switch substrate; no analog signal reference - all analog signals float between V+ and GND. |
| 6 (ADDA) | Address bit A | LSB of 2-bit binary select code; determines channel pairing with ADDB - sets multiplexer output path. |
| 7 (ADDB) | Address bit B | MSB of 2-bit binary select code; combined with ADDA to select one of four NO inputs - enables full 4:1 routing. |
| 8 (INH) | Inhibit control input | Active-high logic input; when high, forces all switches open regardless of address - provides fail-safe signal isolation. |
| 9 (COM) | Analog common terminal | Shared bidirectional I/O node; routes selected NOx signal to system - functions as input or output depending on signal flow direction. |
| 10 (V+) | Positive supply rail | Powers internal CMOS switches and logic; also connects to exposed pad (EP) for thermal dissipation - defines upper analog voltage limit. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full V+ to GND swing on all analog pins - eliminates need for external level-shifting in mixed-supply systems. |
| Guaranteed on-resistance matching | ≤8Ω max difference between any two channels at +5V - enables accurate differential or ratiometric measurement without calibration. |
| TTL/CMOS logic compatibility | 0.8V/2.4V thresholds at +5V - allows direct interface with microcontrollers and FPGAs without pull-ups or level translators. |
| Low charge injection | ≤5pC - minimizes transient voltage spikes on high-Z nodes, reducing post-switching settling time in sample-and-hold or ADC front-ends. |
| Industrial temperature range | -40°C to +85°C - qualified for deployment in automotive cabin electronics, industrial sensors, and outdoor IoT gateways. |
Applications
| Audio Signal Routing | Portable Data Acquisition |
|---|---|
Use Scenario: Switching between multiple microphone or line-level audio sources in a handheld recorder or conferencing device. IC Role / Device Role / Timing Role: 4:1 analog multiplexer selecting active input channel under MCU control; INH used for mute function. Use Value: 200Ω RON and <5pC charge injection preserve audio fidelity and minimize pop/click artifacts during switching. | Use Scenario: Multiplexing outputs from four temperature, pressure, or gas sensors into a single ADC input in a battery-powered environmental monitor. IC Role / Device Role / Timing Role: Low-leakage analog switch enabling high-impedance sensor interfacing; inhibit pin disables all channels during ADC conversion to prevent crosstalk. Use Value: 2nA max off-leakage prevents measurement drift in µA-range sensor outputs; rail-to-rail operation accommodates varying sensor output ranges. |
| Communications Interface Selection | Low-Power Instrumentation |
Use Scenario: Selecting between RS-232, RS-485, and CAN transceiver outputs in a field-configurable industrial controller. IC Role / Device Role / Timing Role: Bidirectional analog switch routing differential bus signals; operates from same 3.3V supply as host MCU. Use Value: 500Ω RON at +3V ensures acceptable insertion loss in baseband communication lines; 2.4V VIH allows direct GPIO control. | Use Scenario: Isolating unused sensor inputs in a multi-channel medical diagnostic device to reduce power consumption and noise coupling. IC Role / Device Role / Timing Role: Inhibit-controlled analog switch disconnecting idle channels from shared signal conditioning circuitry. Use Value: Simultaneous channel disable via INH eliminates leakage paths and reduces system standby current by >95% versus individual gating. |
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, but in 10-pin µMAX package (3.05mm × 3.05mm); no exposed pad; lower thermal resistance rating (330mW vs. 1951mW). | Preferred for legacy µMAX footprints or where board real estate permits larger package; less suitable for high-duty-cycle or thermally constrained designs. | Select MAX4524EUB+ only if existing layout uses µMAX; otherwise MAX4524ETB+T offers superior thermal performance and smaller footprint. |
| TMUX1134DSCR | 4-channel mux with 1.5Ω typical RON at 3.3V, but higher 10nA max off-leakage; supports 1.08V–5.5V supply; no inhibit pin. | Higher precision switching for low-voltage logic systems, but lacks global disable - requires software coordination to isolate all paths. | Choose TMUX1134DSCR when ultra-low on-resistance is critical and INH functionality is implemented externally; avoid when hardware-level fault isolation is required. |
Compared with MAX4524EUB+, MAX4524ETB+T delivers 6× higher power dissipation capability and 10% smaller area; versus TMUX1134DSCR, it trades 130× lower leakage and integrated inhibit for higher RON - making it optimal for industrial sensing over consumer-grade signal routing.
Availability
MAX4524ETB+T 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 extended temperature ranges and long production lifecycles.
Supply support for MAX4524ETB+T 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 MAX4524 series targets low-voltage, single-supply analog signal routing in space- and power-constrained systems - emphasizing rail-to-rail operation, low leakage, and robust logic interface without auxiliary supplies.
FAQ
What is the maximum operating supply voltage for MAX4524ETB+T?
The MAX4524ETB+T supports a single-supply range from +2V to +12V. Absolute maximum rating is +13V on V+, beyond which permanent damage may occur. Operation at +12V is fully specified and validated across the -40°C to +85°C temperature range, with on-resistance increasing predictably per the RON vs. VCOM curves in the datasheet.
Does MAX4524ETB+T require separate analog and digital supplies?
No, MAX4524ETB+T uses a single V+ and GND supply for both analog switching and digital control functions. Internal logic-level translators convert TTL/CMOS inputs into appropriate gate drive voltages referenced to V+ and GND - eliminating need for dual supplies or level shifters in most implementations.
How does the INH pin function in MAX4524ETB+T?
The INH pin is an active-high inhibit input. When pulled high (≥2.4V at +5V supply), it forces all four analog switches into the open state regardless of ADDA/ADDB logic levels - providing hardware-level signal isolation. When low (≤0.8V), normal address-controlled switching resumes. This feature enables fail-safe mute or emergency disconnect in safety-critical systems.
Can MAX4524ETB+T handle bipolar analog signals?
No, MAX4524ETB+T is not designed for true bipolar operation. Its analog signal range is strictly rail-to-rail between GND and V+; signals must remain within this window. Applying negative voltages or voltages exceeding V+ forward-biases internal ESD diodes and may cause excessive leakage or damage. For bipolar signals, external level-shifting circuitry is required.
What is the thermal advantage of the TDFN-EP package used in MAX4524ETB+T?
The TDFN-EP package of MAX4524ETB+T features an exposed pad electrically and thermally connected to V+, enabling direct heat transfer to the PCB copper pour. With a derating factor of 24.4mW/°C above +70°C and 1951mW max continuous dissipation at TA=+70°C, it provides ~6× better thermal performance than the µMAX variant - critical for sustained switching in compact, sealed enclosures.
MAX4524ETB+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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+T FAQ
1.How can I place an order for MAX4524ETB+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4524ETB+T 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+T reliable?
The price and inventory of MAX4524ETB+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4524ETB+T is usually 5 days.
3.What payment methods are accepted for MAX4524ETB+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4524ETB+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4524ETB+T?
MAX4524ETB+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4524ETB+T 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+T?
For technical support, including MAX4524ETB+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4524ETB+T requirements.
6.How does Aetrix verify that MAX4524ETB+T is sourced from the original manufacturer or authorized distributors?
All MAX4524ETB+T 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+T meets industry standards.
7.What is the process for return or replacement of MAX4524ETB+T?
All MAX4524ETB+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4524ETB+T, 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+T part is unused and in its original packaging.
Return procedure for MAX4524ETB+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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