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Analog Devices Inc./Maxim Integrated MAX4723EUA+
- Part No.:
- MAX4723EUA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4723EUA+.pdf
- Description:
- IC SW SPST-NO/NCX2 4.5OHM 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:1,363
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Product details
Overview
MAX4723EUA+ from Maxim Integrated is a dual single-pole/single-throw (SPST) analog switch with one normally open (NO) and one normally closed (NC) channel, operating from +1.8V to +5.5V supply. It delivers 4.5Ω max on-resistance at +3V, <1ns break-before-make timing, and 15pF on-channel capacitance-optimized for USB 1.1 signal routing and low-voltage audio switching in space-constrained portable systems.
For engineers reviewing the MAX4723EUA+ datasheet, MAX4723EUA+ pinout, MAX4723EUA+ application, or MAX4723EUA+ equivalent, this page provides verified electrical parameters, µMAX package layout, USB-compliant dynamic performance, and validated alternatives for dual SPST analog switch selection in battery-powered and high-fidelity signal-path designs.
Technical Context
The MAX4723EUA+ implements a BiCMOS process-based dual SPST architecture with independent digital control inputs (IN1, IN2) enabling asynchronous switching of COM1/NO1 and COM2/NC2 paths. Its rail-to-rail analog signal handling supports bidirectional ±0.3V to V+–0.3V signal ranges without distortion.
Break-before-make operation is guaranteed only for the MAX4723 variant (tBBM = 1ns), distinguishing it from MAX4721 (dual NO) and MAX4722 (dual NC). Logic inputs accept +1.8V–+5.5V levels regardless of V+, enabling mixed-supply system interfacing with 3.3V or 5V controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (max) | 4.5Ω at +3V supply - ensures minimal insertion loss in audio/USB signal paths |
| Break-Before-Make Delay | 1ns - prevents momentary shorting during channel switching in critical analog routing |
| -3dB Bandwidth | >300MHz - preserves integrity of USB full-speed (12Mbps) and wideband audio signals |
| On-Channel Capacitance | 15pF - reduces loading on high-impedance sources and maintains fast edge fidelity |
| Off-Isolation | -55dB at 10MHz - suppresses crosstalk between active and inactive channels |
| Leakage Current (max) | ±1.5nA at +25°C - enables precision sample-and-hold and low-power battery operation |
| Supply Range | +1.8V to +5.5V - supports direct integration into Li-ion, 3.3V, and 5V embedded systems |
Pinout & Package
MAX4723EUA+ uses an 8-pin µMAX package (3.05mm × 3.05mm, 0.65mm pitch), compatible with standard SOIC footprints and optimized for compact PCB layouts. The package features exposed pad thermal enhancement and JEDEC-standard reflow compatibility.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO1) | Analog Normally Open Terminal | Connects to COM1 only when IN1 = HIGH; default open state isolates signal path |
| 2 (COM1) | Analog Common Terminal | Bidirectional I/O node shared between NO1 and NC1; handles rail-to-rail analog signals |
| 3 (NC1) | Analog Normally Closed Terminal | Connects to COM1 only when IN1 = LOW; default closed state enables fail-safe routing |
| 4 (GND) | Digital Ground Reference | Provides logic reference and return path for internal CMOS control circuitry |
| 5 (IN2) | Digital Control Input | Drives second switch (COM2/NC2); accepts 0V to V+ logic levels regardless of supply voltage |
| 6 (COM2) | Analog Common Terminal | Second bidirectional I/O node; independent of COM1 for dual-channel isolation |
| 7 (NC2) | Analog Normally Closed Terminal | Connects to COM2 when IN2 = LOW; complements NO1/NC1 configuration for redundancy |
| 8 (V+) | Positive Analog Supply | Single power rail for analog and digital sections; bypass with 0.1µF capacitor to GND |
Key Features
| Feature | Design Value |
|---|---|
| USB 1.1 Signal Switching | Guaranteed 12Mbps data rate compliance with <2ns propagation delay and skew stability |
| Rail-to-Rail Signal Handling | Supports analog signals from GND to V+ without clipping or distortion across full temperature range |
| Low On-Capacitance Matching | 15pF on-channel capacitance with <2ns differential skew ensures matched timing in stereo/audio pairs |
| Logic-Level Agnostic Inputs | +1.8V CMOS-compatible inputs function correctly even when driven by 5V microcontrollers |
| High Off-Isolation | -55dB at 10MHz prevents interference between active and standby signal paths in multiplexed systems |
Applications
| USB Peripheral Multiplexing | Portable Audio Signal Routing |
|---|---|
Use Scenario: Dynamic switching between two USB upstream ports (e.g., host and OTG mode) on a handheld device. IC Role / Device Role / Timing Role: Dual SPST switch providing isolated NO/NC paths for D+/D− lines with sub-1ns break-before-make timing. Use Value: Enables seamless USB role negotiation without signal contention or ESD vulnerability during transition. |
Use Scenario: Selecting between headphone output and line-out in a Bluetooth speaker with dual DACs. IC Role / Device Role / Timing Role: Low-distortion (0.03% THD), low-capacitance analog switch routing stereo audio with rail-to-rail swing. Use Value: Maintains audio fidelity and channel balance while eliminating pop/click via controlled switching sequence. |
| Low-Voltage Data Acquisition | Sample-and-Hold Channel Selection |
Use Scenario: Multiplexing sensor outputs (e.g., thermistor, photodiode) into a 12-bit SAR ADC in a wearable health monitor. IC Role / Device Role / Timing Role: Precision analog switch with ±1.5nA leakage and 4.5Ω RON minimizing gain error and offset drift. Use Value: Ensures measurement accuracy within ±0.1% FS over -40°C to +85°C without calibration overhead. |
Use Scenario: Isolating hold capacitors from input sources during acquisition phase in a multi-channel data logger. IC Role / Device Role / Timing Role: Break-before-make topology prevents charge injection-induced voltage step on hold capacitor. Use Value: Reduces aperture uncertainty and improves effective resolution by limiting charge injection to <5pC. |
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 |
|---|---|---|---|
| MAX4721EUA+ | Dual NO configuration (no NC channel); identical RON, bandwidth, and leakage specs | Suitable where both paths must be open by default (e.g., dual-sensor disconnect) | Select MAX4721EUA+ when fail-open behavior is required instead of MAX4723EUA+'s NO/NC duality |
| TS5A23157DGSR | Lower RON (0.9Ω typ at 3V) but higher 25pF CON; no guaranteed break-before-make | Better for ultra-low-loss DC-coupled paths, less suitable for USB timing-critical routing | Choose TS5A23157DGSR only if on-resistance dominates design priority over USB skew and BBM guarantees |
Compared with MAX4721EUA+, MAX4723EUA+ adds NC functionality for fault-tolerant routing, while TS5A23157DGSR trades guaranteed BBM and USB timing for lower RON-making MAX4723EUA+ optimal for mixed-signal systems requiring deterministic switching sequence and signal integrity.
Availability
MAX4723EUA+ is available at Aetrix Electronics and suitable for USB peripheral multiplexing, portable audio routing, low-voltage data acquisition, sample-and-hold circuits, and communications circuits requiring stable component supply across industrial and consumer production volumes.
Supply support for MAX4723EUA+ 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 MAX472x family targets low-voltage, high-fidelity analog signal routing-specifically engineered for USB 1.1 compliance, battery-operated portability, and minimal board space in portable electronics.
FAQ
What is the maximum supply voltage rating for MAX4723EUA+?
The MAX4723EUA+ has an absolute maximum supply voltage of +6.0V on V+, but its specified operational range is +1.8V to +5.5V. Operating beyond +5.5V risks permanent damage and voids parametric guarantees. At +5.5V, on-resistance drops to 3.0Ω max, improving conduction efficiency in 5V systems while maintaining all AC specifications.
Does MAX4723EUA+ support rail-to-rail analog signal switching?
Yes, MAX4723EUA+ supports true rail-to-rail analog signal handling: signals from GND to V+ pass through the switch with minimal distortion or RON variation. This is confirmed by on-resistance flatness of ≤1.2Ω over the full 0V to V+ range at +3V supply, enabling accurate DC-coupled audio and sensor signal routing without level-shifting.
How does the break-before-make feature work in MAX4723EUA+?
The MAX4723EUA+ guarantees a 1ns break-before-make interval (tBBM) between its NO1/NC1 and NO2/NC2 channels, preventing momentary shorts during logic transitions. This is unique to the MAX4723 variant-unlike MAX4721/MAX4722-and is measured under RL=300Ω, CL=35pF conditions per Figure 2 in the datasheet.
Can MAX4723EUA+ be used with 5V logic controllers while powered from 3.3V?
Yes, MAX4723EUA+ logic inputs (IN1, IN2) accept voltages up to +5.5V regardless of V+ supply level. With V+=3.3V, VIH is +1.4V and VIL is +0.5V-so a 5V microcontroller output meets these thresholds with margin. This eliminates level-shifters in mixed-voltage systems, reducing BOM cost and board area.
What is the thermal performance of the µMAX package in MAX4723EUA+?
The MAX4723EUA+ in 8-pin µMAX package has a thermal resistance θJA of 220°C/W and continuous power dissipation of 362mW at +70°C ambient. Derating is 4.5mW/°C above +70°C. For sustained 100mA channel current, junction temperature rise stays below 25°C-well within the +150°C absolute max-when using standard 2oz copper and thermal vias.
MAX4723EUA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 4.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 100mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 80ns, 40ns
- -3db Bandwidth:
- 300MHz
- Charge Injection:
- 5pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -110dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4723EUA+ FAQ
1.How can I place an order for MAX4723EUA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4723EUA+ 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 MAX4723EUA+ reliable?
The price and inventory of MAX4723EUA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4723EUA+ is usually 5 days.
3.What payment methods are accepted for MAX4723EUA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4723EUA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4723EUA+?
MAX4723EUA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4723EUA+ 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 MAX4723EUA+?
For technical support, including MAX4723EUA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4723EUA+ requirements.
6.How does Aetrix verify that MAX4723EUA+ is sourced from the original manufacturer or authorized distributors?
All MAX4723EUA+ 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 MAX4723EUA+ meets industry standards.
7.What is the process for return or replacement of MAX4723EUA+?
All MAX4723EUA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4723EUA+, 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 MAX4723EUA+ part is unused and in its original packaging.
Return procedure for MAX4723EUA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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