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Analog Devices Inc./Maxim Integrated MAX4541ESA+T
- Part No.:
- MAX4541ESA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4541ESA+T.pdf
- Description:
- IC SWITCH SPST-NOX2 60OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,494
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Product details
Overview
MAX4541ESA+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 switching in audio, sensor multiplexing, and portable instrumentation.
For engineers reviewing the MAX4541ESA+T datasheet, MAX4541ESA+T pinout, MAX4541ESA+T application, or MAX4541ESA+T equivalent, key selection criteria include its SO-8 package compatibility, -40°C to +85°C industrial temperature range, guaranteed break-before-make timing (shared with MAX4543/MAX4544), TTL/CMOS logic compatibility, and low leakage (<10nA at +85°C) critical for precision sample-and-hold and medical front-end designs.
Technical Context
The MAX4541ESA+T implements two independent SPST NO switches in a single monolithic CMOS process, each controlled by dedicated digital inputs (IN1/IN2) referenced to V+ and GND. Its architecture ensures bidirectional analog signal handling across the full supply rail (GND to V+), with on-resistance flatness ≤6Ω over the signal range - essential for minimizing harmonic distortion in audio paths and gain error in precision ADC/DAC interfaces.
It features internal ESD protection (>2000V per Method 3015.7), rail-to-rail logic input tolerance (supporting +3.3V, +5V, or +12V logic drive), and fast switching (tON = 35ns typ, tOFF = 25ns typ at +5V), while maintaining ultra-low quiescent power (≤5µW) and sub-100pA leakage at room temperature - making it suitable for always-on monitoring circuits and low-duty-cycle data acquisition systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +12V single supply - enables direct integration with Li-ion, 3.3V, and 5V system rails without level-shifting. |
| On-Resistance (RON) | 60Ω max at +5V - ensures minimal signal attenuation and voltage drop in sensor and audio signal paths. |
| RON Matching | 2Ω max between channels - preserves channel-to-channel gain consistency in dual-path instrumentation and stereo audio switching. |
| Charge Injection | 5pC max - reduces settling error and droop in sample-and-hold and switched-capacitor circuits. |
| Leakage Current | 10nA max at +85°C - maintains accuracy in high-impedance sensor interfaces and long-interval sampling. |
| Switching Speed | tON = 35ns, tOFF = 25ns typ at +5V - supports >10MHz signal routing in test equipment and communications front-ends. |
| ESD Protection | >2000V per Method 3015.7 - enhances robustness in handheld and field-deployable equipment handling. |
Pinout & Package
MAX4541ESA+T is housed in an 8-pin SO (Small Outline) package, measuring 4.9mm × 3.9mm × 1.75mm, with standard 1.27mm pitch and gull-wing leads. The package is RoHS-compliant and rated for industrial temperature operation (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Accepts +2.7V to +12V; powers internal CMOS switch array and logic interface. |
| IN1 | Digital control input 1 | Active-high TTL/CMOS-compatible signal enabling COM1–NO1 path when high. |
| COM2 | Analog common terminal 2 | Bidirectional node connected to NO2 when IN2 = high; supports rail-to-rail analog signals (GND to V+). |
| NC2 | Not internally connected | No internal bond; must be left floating or tied to GND for mechanical stability - not usable as NC switch terminal. |
| GND | Ground reference | Return path for supply and logic; must be low-impedance to minimize noise coupling into analog paths. |
| IN2 | Digital control input 2 | Active-high signal controlling COM2–NO2 path; independent of IN1 for asynchronous dual-channel operation. |
| COM1 | Analog common terminal 1 | Bidirectional node connected to NO1 when IN1 = high; shares same electrical characteristics as COM2. |
| NO1 | Normally open analog terminal 1 | Connects to COM1 only when IN1 = high; isolated otherwise - no internal pull-down or pull-up. |
Key Features
| Feature | Design Value |
|---|---|
| Low on-resistance flatness | 6Ω max variation over full analog signal range (GND to V+) - ensures linear gain response in variable-gain amplifiers and programmable filters. |
| Guaranteed break-before-make | Valid only for MAX4543/MAX4544 - MAX4541ESA+T does not implement BBM; use external timing control if channel isolation during transition is required. |
| TTL/CMOS logic compatibility | Supports 0.8V/2.4V thresholds at +5V supply; also accepts rail-to-rail logic drive at +3.3V or +12V - eliminates need for external level shifters. |
| Ultra-low power consumption | 5µW typical supply current - extends battery life in portable medical devices and IoT edge sensors operating in sleep/wake cycles. |
| Pin compatibility | Direct replacement for MAX323/MAX324/MAX325 in SO-8 footprint - simplifies legacy design upgrades without PCB rework. |
Applications
| Audio Signal Routing | Sensor Multiplexing |
|---|---|
Use Scenario: Switching between multiple microphone inputs or headphone outputs in portable audio devices. IC Role / Device Role / Timing Role: Dual SPST analog switch providing low-distortion, low-crosstalk signal path selection with <−90dB crosstalk at 1MHz. Use Value: Preserves SNR and THD performance due to 5pC max charge injection and 60Ω max RON, avoiding audible artifacts during source switching. | Use Scenario: Selecting among thermistor, RTD, or strain gauge inputs in a multi-sensor industrial data logger. IC Role / Device Role / Timing Role: Precision analog multiplexer enabling sequential sampling with matched channel resistance (≤2Ω ΔRON) to minimize measurement offset errors. Use Value: Enables <±0.1% gain matching across channels, reducing calibration burden and improving end-system accuracy. |
| Portable Medical Instrumentation | Test & Measurement Front-Ends |
Use Scenario: Routing ECG electrode signals to amplifier stages in handheld patient monitors. IC Role / Device Role / Timing Role: Low-leakage (≤10nA at +85°C), high-ESD (>2000V) analog switch isolating sensitive biopotential inputs from digital control circuitry. Use Value: Prevents baseline drift and false alarms caused by leakage-induced DC offsets in high-impedance electrode interfaces. | Use Scenario: Configuring signal paths in automated test equipment (ATE) for DUT stimulus/response routing. IC Role / Device Role / Timing Role: Fast-switching (35ns tON) dual SPST device enabling sub-100ns path reconfiguration during high-speed functional testing. Use Value: Reduces test cycle time by supporting rapid channel hopping without compromising signal integrity up to 10MHz. |
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 |
|---|---|---|---|
| MAX4541EKA-T | SOT23-8 package (2.9mm × 2.8mm), same electrical specs and -40°C to +85°C rating - smaller footprint but higher thermal resistance (421mW max dissipation vs. 471mW for SO-8). | Preferred for ultra-compact PCB layouts where board area is constrained; less suitable for high-power or high-reliability thermal cycling environments. | Select MAX4541EKA-T when miniaturization outweighs thermal margin requirements; verify solder joint reliability under thermal shock per J-STD-020. |
| ADG1419BRUZ | Analog Devices dual SPST switch with 1.5Ω typical RON, 0.03pC charge injection, but requires dual ±15V or single +30V supply - incompatible with +2.7V to +12V operation. | Targeted at high-precision lab equipment requiring ultra-low distortion; unsuitable for battery-powered or low-voltage embedded systems. | Choose ADG1419BRUZ only when sub-pC charge injection and <2Ω RON are mandatory and system supports ≥±15V supplies; not a functional substitute for MAX4541ESA+T in low-voltage designs. |
Compared with MAX4541EKA-T, MAX4541ESA+T offers superior thermal performance and easier hand-soldering due to SO-8 lead geometry, while ADG1419BRUZ provides lower RON and charge injection but demands incompatible supply voltages - making MAX4541ESA+T the optimal choice for industrial-grade, single-supply, space-aware analog routing.
Availability
MAX4541ESA+T is available at Aetrix Electronics and suitable for battery-operated systems, precision sensor interfaces, and portable medical instrumentation requiring stable component supply across extended product lifecycles.
Supply support for MAX4541ESA+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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX4541–MAX4544 family was designed specifically for low-voltage, single-supply analog signal routing in portable and space-constrained applications - emphasizing low power, rail-to-rail operation, and precision matching without requiring dual supplies or external biasing.
FAQ
What is the maximum analog signal voltage range supported by the MAX4541ESA+T?
The MAX4541ESA+T supports analog signals from GND to V+, meaning its full signal range equals the positive supply voltage. When operated at +5V supply, the analog input/output range is 0V to +5V; at +12V supply, it extends to 0V to +12V. This rail-to-rail capability eliminates the need for external level-shifting circuitry in most applications, and internal diode clamping protects against transient overvoltage beyond absolute maximum ratings.
Does the MAX4541ESA+T provide break-before-make switching behavior?
No, the MAX4541ESA+T does not guarantee break-before-make operation. Only the MAX4543 and MAX4544 variants in the same family include this feature. The MAX4541ESA+T implements two independent SPST NO switches with no timing coordination between channels - simultaneous activation of both switches may cause momentary signal shorting. For BMB operation, select MAX4543ESA+ or MAX4544ESA+ instead.
Can the MAX4541ESA+T be used with a +3.3V logic supply while powered from +5V?
Yes, the MAX4541ESA+T accepts TTL/CMOS logic inputs referenced to its own V+ rail, and its inputs are rail-to-rail compatible. When V+ = +5V, driving IN1/IN2 with 0V/+3.3V logic is fully acceptable and meets the specified VINL ≤0.8V and VINH ≥2.4V thresholds. No level shifter is needed, and power consumption remains minimal since input current is negligible.
What is the thermal performance difference between MAX4541ESA+T and MAX4541EKA-T?
The MAX4541ESA+T in SO-8 package has a continuous power dissipation rating of 471mW (derated above +70°C at 5.88mW/°C), while the MAX4541EKA-T in SOT23-8 is rated for 421mW (derated at 5.3mW/°C). The SO-8 variant offers better heat spreading and solder joint reliability under thermal cycling, making MAX4541ESA+T preferable for industrial environments with wide ambient temperature swings or sustained load conditions.
Is the MAX4541ESA+T pin-compatible with older Maxim analog switches like the MAX323?
Yes, the MAX4541ESA+T is explicitly pin-compatible with the MAX323, MAX324, and MAX325 in the SO-8 package. Pin functions (V+, IN1, COM2, NC2, GND, IN2, COM1, NO1) match identically, allowing drop-in replacement in existing designs. Electrical improvements - including lower RON, reduced charge injection, and enhanced ESD protection - provide immediate performance uplift without layout changes.
MAX4541ESA+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-SOIC
MAX4541ESA+T FAQ
1.How can I place an order for MAX4541ESA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4541ESA+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 MAX4541ESA+T reliable?
The price and inventory of MAX4541ESA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4541ESA+T is usually 5 days.
3.What payment methods are accepted for MAX4541ESA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4541ESA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4541ESA+T?
MAX4541ESA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4541ESA+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 MAX4541ESA+T?
For technical support, including MAX4541ESA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4541ESA+T requirements.
6.How does Aetrix verify that MAX4541ESA+T is sourced from the original manufacturer or authorized distributors?
All MAX4541ESA+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 MAX4541ESA+T meets industry standards.
7.What is the process for return or replacement of MAX4541ESA+T?
All MAX4541ESA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4541ESA+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 MAX4541ESA+T part is unused and in its original packaging.
Return procedure for MAX4541ESA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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