My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX4542ESA+T
- Part No.:
- MAX4542ESA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4542ESA+T.pdf
- Description:
- IC SWITCH SPST-NCX2 60OHM 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,440
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MAX4542ESA+T from Maxim Integrated is a dual normally closed (NC) single-pole/single-throw (SPST) analog switch operating from a single +2.7V to +12V supply. It delivers 60Ω max on-resistance, 2Ω max RON matching between channels, and 5pC max charge injection - enabling precision signal routing in battery-powered instrumentation and low-voltage data acquisition systems.
For engineers reviewing the MAX4542ESA+T datasheet, MAX4542ESA+T pinout, MAX4542ESA+T application, or MAX4542ESA+T equivalent, key selection criteria include guaranteed break-before-make timing (not applicable), NC-only switching topology, SO-8 package thermal performance, and compatibility with +3.3V/+5V logic interfaces in space-constrained analog front-ends.
Technical Context
The MAX4542ESA+T implements two independent NC SPST switches with CMOS/TTL-compatible digital control inputs (IN1/IN2). Each channel features bidirectional analog signal handling across the full supply range (GND to V+), with internal ESD protection (>2000V per Method 3015.7) and rail-to-rail logic drive capability.
Its architecture avoids charge injection-induced voltage glitches during switching via matched transistor design, while low 100pA max off-leakage at +85°C ensures minimal signal corruption in high-impedance sensor interfaces and sample-and-hold circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply - supports direct integration with 3.3V and 5V system rails without level shifting. |
| RON (max) | 60Ω at +5V - ensures ≤0.3% gain error in 10kΩ source/load impedance audio or sensor signal paths. |
| RON Matching | 2Ω max between channels - enables matched gain/attenuation in differential or dual-path signal conditioning. |
| Charge Injection | 5pC max - limits voltage glitch to <1mV on 5nF hold capacitors in precision ADC sampling circuits. |
| tON/tOFF | 150ns/100ns max - supports multiplexing of signals up to ~3MHz without significant edge distortion. |
| ESD Protection | >2000V per Method 3015.7 - meets industrial IEC 61000-4-2 Level 2 requirements for board-level robustness. |
| Leakage Current | 10nA max at +85°C - preserves accuracy in picoampere-level current measurement front-ends. |
Pinout & Package
MAX4542ESA+T is housed in an 8-pin SO (Small Outline) package with standard 1.27mm pitch, exposed pad not present, and JEDEC MS-012AC compliant footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | COM1 | Analog common terminal for Channel 1 - connects to load/sensor; bidirectional signal path. |
| 2 | IN1 | Digital control input for Channel 1 - active-low logic closes NC switch (COM1↔NC1). |
| 3 | GND | Ground reference for analog and digital sections - must be low-impedance return path. |
| 4 | NC2 | Normally closed terminal for Channel 2 - connected to COM2 when IN2 = low. |
| 5 | COM2 | Analog common terminal for Channel 2 - independent of Channel 1; supports dual-path routing. |
| 6 | IN2 | Digital control input for Channel 2 - TTL/CMOS compatible; drives internal switch gate. |
| 7 | V+ | Positive supply input - powers analog switch core and logic interface; decoupling required. |
| 8 | NC1 | Normally closed terminal for Channel 1 - only functional when IN1 = low; no internal connection when open. |
Key Features
| Feature | Design Value |
|---|---|
| NC-only dual SPST topology | Eliminates need for external pull-up/down resistors in fail-safe closed-path applications like power monitoring or alarm circuitry. |
| Low 5µW power consumption | Enables >10-year battery life in portable medical sensors or remote environmental monitors using coin-cell supplies. |
| 6Ω max RON flatness | Maintains consistent gain across 0–5V analog input range - critical for linear transducer signal conditioning. |
| TTL/CMOS logic compatibility | Accepts 0.8V/2.4V thresholds at +5V supply - interoperable with microcontrollers, FPGAs, and legacy logic families. |
| Pin compatibility with MAX323/MAX324 | Allows drop-in replacement in existing designs using those legacy Maxim analog switches without PCB revision. |
Applications
| Battery-Operated Instrumentation | Audio Signal Routing |
|---|---|
Use Scenario: Low-power handheld multimeter selecting between voltage, current, and resistance measurement paths. IC Role / Device Role / Timing Role: Dual NC SPST switch isolating high-impedance input stages and protecting sensitive ADC inputs during range changes. Use Value: 10nA max leakage at +85°C prevents offset drift in µV-level measurements; 60Ω RON introduces <0.01% error in 1MΩ input impedance paths. | Use Scenario: Portable audio mixer routing line-level signals between microphone preamps and headphone outputs. IC Role / Device Role / Timing Role: Bidirectional analog switch enabling zero-crossing mute transitions and channel selection without pop/click artifacts. Use Value: 5pC max charge injection suppresses audible switching transients; 150ns tON supports clean muting at 20kHz bandwidth. |
| Medical Sensor Interfaces | Industrial Data Acquisition |
Use Scenario: ECG front-end multiplexing multiple electrode leads into a single ADC channel. IC Role / Device Role / Timing Role: NC-closed default state maintains patient safety path continuity during MCU boot or fault conditions. Use Value: Fail-safe NC configuration eliminates risk of open-circuit lead detection failure; 2Ω RON matching preserves common-mode rejection ratio across differential pairs. | Use Scenario: PLC analog input module scanning thermocouple, RTD, and 4–20mA loop signals. IC Role / Device Role / Timing Role: Precision analog switch isolating sensor inputs from shared signal conditioning circuitry to prevent crosstalk. Use Value: -90dB crosstalk at 1MHz prevents interference between high-frequency noise sources and millivolt-level sensor outputs. |
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 |
|---|---|---|---|
| MAX4542EKA-T | SOT23-8 package (2.9mm × 2.8mm) vs. SO-8 (4.9mm × 6.0mm); identical electrical specs and NC topology. | Preferred for ultra-compact PCB layouts where board area is constrained; requires rework of land pattern and stencil. | Select MAX4542EKA-T when minimizing footprint is critical and thermal dissipation <421mW suffices. |
| ADG1412BRUZ | ±15V dual-supply operation; 1.3Ω typical RON; no NC default - all switches are break-before-make SPST. | Suitable for bipolar signal chains requiring ±10V swing; incompatible with fail-safe NC requirement of MAX4542ESA+T. | Choose ADG1412BRUZ only if dual supply and lower RON outweigh loss of NC safety behavior and +2.7V single-supply operation. |
Compared with MAX4542EKA-T, the MAX4542ESA+T offers superior thermal derating (471mW vs. 421mW) and easier hand-soldering, while ADG1412BRUZ provides lower on-resistance but sacrifices single-supply simplicity and NC fail-safe behavior essential in medical and battery-critical systems.
Availability
MAX4542ESA+T is available at Aetrix Electronics and suitable for battery-operated instrumentation, medical sensor interfaces, industrial data acquisition, and portable audio signal routing requiring stable component supply across extended temperature ranges (-40°C to +85°C).
Supply support for MAX4542ESA+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 MAX4541–MAX4544 family targets low-voltage, single-supply analog switching in space- and power-constrained systems - emphasizing low leakage, rail-to-rail signal handling, and logic compatibility without external biasing.
FAQ
What is the maximum analog signal voltage range supported by the MAX4542ESA+T?
The MAX4542ESA+T supports analog signals from GND to V+, meaning its full-range operation spans 0V to the applied positive supply voltage (up to +12V). This rail-to-rail capability allows direct switching of signals such as sensor outputs or DAC voltages without attenuation or clipping, provided V+ remains within the absolute maximum rating of +13V and analog inputs do not exceed V+ + 0.3V.
Does the MAX4542ESA+T provide break-before-make switching behavior?
No, the MAX4542ESA+T does not implement break-before-make timing. As a dual normally closed (NC) SPST device, each channel conducts when its respective IN pin is low and opens when high. There is no intentional delay between opening one path and closing another because both switches operate independently - unlike the MAX4543/MAX4544, which explicitly guarantee break-before-make for SPDT configurations.
Can the MAX4542ESA+T be used with a +3.3V supply, and what are the key performance trade-offs?
Yes, the MAX4542ESA+T operates across +2.7V to +12V, including +3.3V nominal supplies. At +3.3V, RON increases to 125Ω max (vs. 60Ω at +5V), and switching times extend to 400ns tON/175ns tOFF. However, logic compatibility is preserved: inputs accept 0.8V/2.4V thresholds, and charge injection remains at 5pC max - making it viable for low-power IoT sensor nodes where speed is secondary to energy efficiency.
How does the SO-8 package of the MAX4542ESA+T compare thermally to the SOT23-8 variant?
The MAX4542ESA+T in SO-8 has a continuous power dissipation rating of 471mW (derated above +70°C at 5.88mW/°C), exceeding the SOT23-8's 421mW (5.3mW/°C derating). This 50mW advantage supports higher average current loads or elevated ambient temperatures in industrial enclosures, while the larger SO-8 body also improves mechanical stability and solder joint reliability in vibration-prone environments.
Is the MAX4542ESA+T pin-compatible with older Maxim analog switches like the MAX323?
Yes, the MAX4542ESA+T is explicitly pin-compatible with the MAX323, MAX324, and MAX325 per the manufacturer's datasheet. All share identical SO-8 pinouts for COM1, IN1, GND, NC2, COM2, IN2, V+, and NC1 - enabling direct substitution in legacy designs without layout modification, provided the NC-only functionality aligns with the original circuit intent.
MAX4542ESA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- 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
MAX4542ESA+T FAQ
1.How can I place an order for MAX4542ESA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4542ESA+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 MAX4542ESA+T reliable?
The price and inventory of MAX4542ESA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4542ESA+T is usually 5 days.
3.What payment methods are accepted for MAX4542ESA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4542ESA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4542ESA+T?
MAX4542ESA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4542ESA+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 MAX4542ESA+T?
For technical support, including MAX4542ESA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4542ESA+T requirements.
6.How does Aetrix verify that MAX4542ESA+T is sourced from the original manufacturer or authorized distributors?
All MAX4542ESA+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 MAX4542ESA+T meets industry standards.
7.What is the process for return or replacement of MAX4542ESA+T?
All MAX4542ESA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4542ESA+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 MAX4542ESA+T part is unused and in its original packaging.
Return procedure for MAX4542ESA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX4542ESA+T Tags
-
SN74LVC1G3157DBVR
Texas Instruments
-
SN74LVC1G66DBVR
Texas Instruments
-
SN74LVC1G66DCKR
Texas Instruments
-
SN74LVC1G3157DSFR
Texas Instruments
-
1P1G3157QDCKRQ1
Texas Instruments
-
SN74LVC2G66DCUR
Texas Instruments
-
SN74LV4052APWR
Texas Instruments
-
74HC4051D,653
Nexperia USA Inc.
-
SN74LV4051APWR
Texas Instruments
-
CD74HC4052PWR
Texas Instruments
-
CD74HC4051PWR
Texas Instruments
-
TS5A3166DBVR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
