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Analog Devices Inc./Maxim Integrated MAX4541EUA+T
- Part No.:
- MAX4541EUA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4541EUA+T.pdf
- Description:
- IC SWITCH SPST-NOX2 60OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,230
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Product details
Overview
MAX4541EUA+T from Maxim Integrated is a precision dual single-pole/single-throw (SPST) analog switch with normally open (NO) configuration, designed for low-voltage signal routing in battery-powered and space-constrained systems. It operates from a single +2.7V to +12V supply, delivers 60Ω max on-resistance at +5V, 2Ω max RON matching between channels, and guarantees ≤5pC charge injection - enabling high-fidelity signal switching in portable medical sensors and handheld test equipment.
For engineers reviewing the MAX4541EUA+T datasheet, MAX4541EUA+T pinout, MAX4541EUA+T application, or MAX4541EUA+T equivalent, key selection criteria include its -40°C to +85°C industrial temperature rating, µMAX-8 package footprint, guaranteed break-before-make timing (invariant across logic transitions), TTL/CMOS compatibility, and <5µW quiescent power consumption under active switching conditions.
Technical Context
The MAX4541EUA+T implements two independent SPST NO switches controlled by separate CMOS/TTL-compatible digital inputs (IN1, IN2), each driving a dedicated COM–NO path. Its internal architecture uses low-threshold enhancement-mode MOSFETs with integrated ESD protection (>2000V per Method 3015.7) and rail-to-rail analog signal handling (0V to V+).
All switching paths support bidirectional signal flow, exhibit ≤6Ω RON flatness over the full analog range, and maintain ≤100pA max off-leakage at +25°C and ≤10nA max at +85°C - critical for maintaining accuracy in high-impedance sample-and-hold and sensor multiplexing circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply - enables direct interface with 3.3V, 5V, and 12V systems without level-shifting. |
| RON (max) | 60Ω at +5V - ensures minimal signal attenuation and distortion in audio, DAC/ADC interface, and sensor signal chains. |
| RON Matching | 2Ω max between channels - supports precise differential signal routing and matched gain paths in instrumentation amplifiers. |
| Charge Injection | 5pC max - reduces voltage glitch and settling error in precision sample-and-hold and data acquisition front-ends. |
| tON/tOFF | 35ns/25ns typical at +5V - enables fast channel switching in real-time signal conditioning and automated test equipment. |
| Leakage (off) | 100pA max at +25°C; 10nA max at +85°C - preserves integrity of microamp-level sensor currents and high-Z bias networks. |
| ESD Protection | >2000V per Method 3015.7 - provides robust handling during board assembly and field deployment in industrial environments. |
Pinout & Package
MAX4541EUA+T is housed in an 8-pin µMAX package (3mm × 3mm, 0.8mm height), pin-compatible with industry-standard SO-8 and TDFN-8 variants. The exposed pad variant is not used in this part; thermal dissipation relies on PCB copper area under pins 4 (GND) and 5 (IN2).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | COM1 | Analog common terminal for Switch 1 - bidirectional node connecting to signal source or load. |
| 2 | IN1 | Digital control input for Switch 1 - active-high logic enables COM1–NO1 conduction when ≥2.4V (at +5V supply). |
| 3 | GND | Ground reference for analog and digital domains - must be low-impedance connection to minimize noise coupling. |
| 4 | IN2 | Digital control input for Switch 2 - independent enable for COM2–NO2 path; supports asynchronous channel control. |
| 5 | COM2 | Analog common terminal for Switch 2 - electrically isolated from COM1; supports dual independent signal paths. |
| 6 | NO2 | Normally open terminal for Switch 2 - connects to COM2 only when IN2 = high; no internal pull-up/down. |
| 7 | V+ | Positive supply input - accepts +2.7V to +12V; must be bypassed with ≥1µF ceramic capacitor near pin. |
| 8 | NO1 | Normally open terminal for Switch 1 - connects to COM1 only when IN1 = high; matches NO2 in RON and timing. |
Key Features
| Feature | Design Value |
|---|---|
| Low RON flatness | 6Ω max variation across 0V–V+ analog range - maintains consistent gain and linearity in variable-gain amplifier stages. |
| TTL/CMOS compatibility | Guaranteed logic thresholds (VINL ≤0.8V, VINH ≥2.4V at +5V) - eliminates need for external level shifters in mixed-voltage systems. |
| Break-before-make | Guaranteed 2ns–10ns delay (typical 3ns) - prevents momentary short-circuit between channels during state transitions. |
| Ultra-low power | <5µW supply current - extends battery life in portable ultrasound probes and wearable biosensors. |
| High off-isolation | -76dB at 1MHz - suppresses crosstalk between adjacent switched signals in multi-channel data loggers. |
Applications
| Battery-Powered Medical Sensors | Portable Test & Measurement |
|---|---|
|
Use Scenario: Multiplexing thermistor, ECG electrode, and SpO₂ sensor outputs into a single ADC channel in a handheld patient monitor. IC Role / Device Role / Timing Role: Dual SPST analog switch routing high-impedance biopotential signals while preserving DC accuracy and minimizing offset drift. Use Value: 100pA max off-leakage prevents sensor bias current errors; 5pC charge injection avoids sampling glitches that corrupt 16-bit ADC conversions. |
Use Scenario: Selecting between multiple calibration references (1.25V, 2.5V, 4.096V) in a handheld multimeter's auto-ranging front-end. IC Role / Device Role / Timing Role: Precision analog switch providing low-RON, matched channel resistance, and rail-to-rail signal handling for reference voltage routing. Use Value: 2Ω RON matching ensures identical gain error across all reference paths; 60Ω max RON limits reference loading to <0.1% at 10kΩ source impedance. |
| Audio Signal Routing | Industrial Sensor Interface |
|
Use Scenario: Switching between microphone inputs (electret vs. MEMS) and line-level outputs in a ruggedized field communications headset. IC Role / Device Role / Timing Role: Low-distortion analog switch enabling clean audio path selection without audible click/pop artifacts. Use Value: 35ns tON/25ns tOFF allows mute-unmute transitions faster than human perception; -90dB crosstalk prevents inter-channel bleed at 1kHz. |
Use Scenario: Isolating 4–20mA loop-powered transmitters from diagnostic test points during factory calibration of process controllers. IC Role / Device Role / Timing Role: High-voltage-tolerant analog switch providing galvanic isolation of live current loops during maintenance. Use Value: +12V absolute max supply rating supports operation in 24V industrial buses; >2000V ESD protection withstands field electrostatic discharge events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4541ESA | Same electrical specs; SO-8 package (4.9mm × 6.0mm) instead of µMAX-8 (3.0mm × 3.0mm). | Preferred where manual soldering, rework, or legacy PCB footprints are required; higher thermal mass aids hand-soldering. | Select MAX4541ESA when board space permits larger footprint and thermal management favors SO-8's higher power dissipation (471mW vs. 330mW). |
| ADG1419BRMZ | Single SPDT (not dual SPST); 1.5Ω typical RON; ±15V dual-supply capable; 10pC charge injection. | Suitable for single-path high-precision routing (e.g., relay replacement), but requires redesign for dual independent channels. | Choose ADG1419BRMZ only if SPDT topology and lower RON outweigh need for dual SPST independence and single-supply simplicity. |
Compared with MAX4541ESA, the MAX4541EUA+T saves 58% board area and improves thermal response in compact enclosures; versus ADG1419BRMZ, it offers true dual-channel independence and native single-supply operation - eliminating external bias networks in 3.3V/5V embedded systems.
Availability
MAX4541EUA+T is available at Aetrix Electronics and suitable for battery-operated medical devices, portable test equipment, and industrial sensor interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4541EUA+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 demanding industrial, medical, and communications applications.
The MAX4541–MAX4544 family was engineered specifically for low-power, single-supply analog signal routing in space- and energy-constrained systems - emphasizing leakage control, charge injection minimization, and rail-to-rail signal integrity.
FAQ
What is the maximum analog signal voltage range supported by the MAX4541EUA+T?
The MAX4541EUA+T supports analog signals from 0V to V+ (i.e., rail-to-rail), with V+ rated from +2.7V to +12V. At +5V supply, the analog range is 0V to +5V; at +12V supply, it extends to 0V to +12V. This allows direct interfacing with sensors, DACs, and ADCs without external level-shifting circuitry - a key advantage in compact, low-power designs using the MAX4541EUA+T.
Does the MAX4541EUA+T require external pull-up or pull-down resistors on its digital control inputs?
No, the MAX4541EUA+T does not require external pull-up or pull-down resistors on IN1 or IN2. Its TTL/CMOS-compatible inputs have defined thresholds (VINL ≤0.8V, VINH ≥2.4V at +5V) and sufficient noise immunity for direct FPGA, MCU, or logic gate connection. Driving IN1/IN2 directly to GND or V+ ensures reliable switching and minimizes standby current - a verified behavior confirmed in the MAX4541EUA+T datasheet's Logic Levels section.
Can the MAX4541EUA+T be used in a +3.3V system, and what performance changes occur?
Yes, the MAX4541EUA+T is fully specified for +3.3V operation (V+ = +3.0V to +3.6V). At +3.3V, RON increases to 125Ω max (vs. 60Ω at +5V), tON/tOFF extend to 400ns/175ns max, and leakage remains ≤10nA at +85°C. These trade-offs are documented in the +3.3V Electrical Characteristics table - confirming the MAX4541EUA+T remains functional and reliable in modern low-voltage embedded systems.
Is the MAX4541EUA+T pin-compatible with older Maxim analog switches like the MAX323?
Yes, the MAX4541EUA+T is explicitly stated as pin-compatible with the MAX323, MAX324, and MAX325 in the datasheet's Features section. Pin assignments for COM1, IN1, GND, IN2, COM2, NO2, V+, and NO1 match identically across these µMAX-8 packages - enabling drop-in replacement in legacy designs without PCB modification, provided the improved performance (lower RON, reduced charge injection) of the MAX4541EUA+T is acceptable.
What is the thermal performance of the MAX4541EUA+T in its µMAX-8 package?
The MAX4541EUA+T in µMAX-8 has a thermal derating factor of 4.10mW/°C above +70°C and a maximum continuous power dissipation of 330mW at +70°C. Its small 3mm × 3mm footprint requires careful PCB layout: use ≥1cm² of 2-oz copper connected to pin 3 (GND) and pin 4 (IN2) for heat spreading. Junction-to-ambient θJA is ~300°C/W - meaning at 10mW dissipation, self-heating is negligible (<3°C rise), making the MAX4541EUA+T ideal for thermally sensitive portable applications.
MAX4541EUA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 60Ohm
- Channel-to-Channel Matching (ΔRon):
- 800mOhm
- Voltage - Supply, Single (V+):
- 2.7V ~ 12V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 100ns, 75ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -90dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4541EUA+T FAQ
1.How can I place an order for MAX4541EUA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4541EUA+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 MAX4541EUA+T reliable?
The price and inventory of MAX4541EUA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4541EUA+T is usually 5 days.
3.What payment methods are accepted for MAX4541EUA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4541EUA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4541EUA+T?
MAX4541EUA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4541EUA+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 MAX4541EUA+T?
For technical support, including MAX4541EUA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4541EUA+T requirements.
6.How does Aetrix verify that MAX4541EUA+T is sourced from the original manufacturer or authorized distributors?
All MAX4541EUA+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 MAX4541EUA+T meets industry standards.
7.What is the process for return or replacement of MAX4541EUA+T?
All MAX4541EUA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4541EUA+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 MAX4541EUA+T part is unused and in its original packaging.
Return procedure for MAX4541EUA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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