Analog Devices Inc./Maxim Integrated MAX4514CUK-T
- Part No.:
- MAX4514CUK-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- SC-74A, SOT-753
- Datasheet:
-
MAX4514CUK-T.pdf
- Description:
- IC SWITCH SPST-NOX1 20OHM SOT23
- Quantity:
- Payment:

- Shipping:

Inventory:3,661
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Product details
Overview
The MAX4514CUK-T from Maxim Integrated is a single-pole/single-throw (SPST), normally open (NO), CMOS analog switch optimized for low-voltage, rail-to-rail signal routing. It operates from a single +2V to +12V supply, delivers 20Ω on-resistance at +5V, supports ≤1nA off-leakage at +25°C, and switches in 150ns tON. It is widely used in battery-powered audio routing and low-voltage data-acquisition systems.
For engineers reviewing the MAX4514CUK-T datasheet, MAX4514CUK-T pinout, MAX4514CUK-T application, or MAX4514CUK-T equivalent, key selection criteria include guaranteed on-resistance flatness (≤3Ω), break-before-make timing (tON > tOFF), TTL/CMOS logic compatibility at +5V, and SOT23-5 package suitability for space-constrained portable designs.
Technical Context
The MAX4514CUK-T implements a CMOS transmission-gate architecture with dual-MOSFET (P- and N-channel) conduction paths, enabling rail-to-rail analog signal handling across its full supply range. Its internal logic-level translator ensures consistent switching thresholds regardless of V+ within +2V to +12V.
It features integrated ESD protection diodes between each analog terminal and both V+ and GND, defining leakage behavior and limiting absolute maximum analog voltage to (V+ + 0.3V) or –0.3V. Charge injection is tightly controlled at 10pC (typ), minimizing transient errors in precision sampling circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2V to +12V single supply - enables direct integration into 3.3V, 5V, and 9V battery systems without level-shifting. |
| On-Resistance (RON) | 20Ω max at +5V - ensures minimal signal attenuation and gain error in 50Ω–1kΩ impedance interfaces. |
| Off-Leakage Current | 1nA max at +25°C - preserves accuracy in high-impedance sensor front-ends and sample-hold circuits. |
| Switching Speed | tON = 150ns, tOFF = 100ns - supports multiplexing of audio-band and low-speed serial signals up to ~1MHz. |
| Charge Injection | 10pC max - limits voltage glitch on sampled capacitors, critical for 12-bit+ ADC input conditioning. |
| Logic Compatibility | 0.8V to 2.4V thresholds at +5V - guarantees reliable control from standard 5V TTL/CMOS microcontrollers and FPGAs. |
| Analog Signal Range | Rail-to-rail (0V to V+) - allows full-swing AC/DC signal routing without clipping in single-supply systems. |
Pinout & Package
SOT23-5 surface-mount package (3.0mm × 1.7mm × 1.3mm body, 0.95mm pitch); RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - NO | Normally Open Switch Terminal | Open-circuit path when IN = LOW; connects to COM only when switch is enabled. |
| 2 - IN | Digital Control Input | Active-HIGH logic input; drives internal gate drivers; accepts 0.8V–2.4V thresholds at +5V. |
| 3 - GND | Ground Reference | Common return for analog and digital circuitry; substrate tied internally to V+. |
| 4 - V+ | Positive Supply Rail | Powers analog switch core and logic translator; sets analog voltage limits and ESD clamp reference. |
| 5 - COM | Common Analog Terminal | Center node for bidirectional signal flow; interchangeable as input or output per application need. |
Key Features
| Feature | Design Value |
|---|---|
| Break-Before-Make Timing | tON > tOFF at +5V prevents momentary shorting during channel switching in multiplexer configurations. |
| Low On-Resistance Flatness | ≤3Ω variation over full analog signal range - maintains consistent gain and linearity in variable-gain stages. |
| Guaranteed Low Leakage | 1nA off-leakage at +25°C - enables use in µA-level current-sensing and high-Z medical electrode interfaces. |
| Fast, Matched Switching | 150ns tON/100ns tOFF with <50ns skew - supports time-critical analog muxing in data loggers and test equipment. |
| ESD-Robust Construction | >2000V HBM rating - reduces field failure risk in handheld and PCMCIA applications with frequent connector mating. |
Applications
| Audio Signal Routing | Portable Data Acquisition |
|---|---|
Use Scenario: Selecting between microphone inputs or headphone outputs in Bluetooth headsets and voice recorders. IC Role / Device Role / Timing Role: SPST analog switch providing low-distortion, low-noise signal path selection under microcontroller GPIO control. Use Value: 20Ω RON and <−90dB off-isolation preserve SNR and prevent crosstalk between audio channels. | Use Scenario: Multiplexing thermistor, RTD, or pH sensor outputs into a single ADC channel in handheld meters. IC Role / Device Role / Timing Role: Precision analog switch isolating high-impedance sensors from shared signal chain during inactive periods. Use Value: 1nA off-leakage minimizes measurement offset drift; rail-to-rail operation accommodates wide sensor output ranges. |
| PCMCIA Interface Switching | Cellular Baseband Signal Path |
Use Scenario: Enabling/disabling analog audio codec lines or SIM card interface signals in legacy PCMCIA modems. IC Role / Device Role / Timing Role: Low-power, logic-compatible switch managing hot-plug signal integrity and power domain isolation. Use Value: SOT23-5 footprint saves board area; +2V operation extends battery life in modem sleep modes. | Use Scenario: Routing auxiliary audio (FM radio, vibration motor feedback) in GSM/UMTS handsets with tight PCB real estate. IC Role / Device Role / Timing Role: Normally-open switch gating low-current analog feedback paths to baseband processor GPIOs. Use Value: 10pC charge injection prevents false triggers in sensitive analog monitoring circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4514CSA+ | 8-pin SO package; identical electrical specs; wider operating temperature (0°C to +70°C same, but SO offers better thermal dissipation). | Preferred where reflow compatibility, manual prototyping, or higher power handling (>471mW) is required. | Select MAX4514CSA+ for through-hole or larger-footprint designs needing improved thermal margin or easier solder inspection. |
| TMUX1574DSGR | Lower RON (0.5Ω typ at 3.3V), but higher 10nA off-leakage at +25°C; requires separate VCC and logic supply pins. | Better for high-speed, low-RON applications where leakage tolerance >1nA is acceptable. | Choose TMUX1574DSGR only if sub-1Ω on-resistance is mandatory and system can accommodate dual-supply routing and higher leakage. |
Compared with MAX4514CSA+, the MAX4514CUK-T offers superior board-area efficiency and lower profile; versus TMUX1574DSGR, it trades 19.5Ω higher RON for 9nA lower off-leakage and single-supply simplicity-making it optimal for battery-sensitive, high-precision, space-constrained analog routing.
Availability
MAX4514CUK-T is available at Aetrix Electronics and suitable for battery-operated equipment, audio signal routing, and low-voltage data-acquisition systems requiring stable component supply across industrial and consumer production cycles.
Supply support for MAX4514CUK-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, communications, and consumer markets.
The MAX4514CUK-T belongs to Maxim's precision analog switch product line, engineered specifically for low-leakage, low-RON, single-supply operation in portable and battery-critical systems.
FAQ
What is the maximum supply voltage rating for the MAX4514CUK-T?
The MAX4514CUK-T has an absolute maximum V+ rating of +13V. However, its specified operational range is +2V to +12V. Operating continuously above +12V risks permanent damage, and exceeding +13V violates absolute maximum ratings-even momentarily-due to internal ESD diode breakdown. Always maintain V+ ≤ +12V for reliable long-term function of the MAX4514CUK-T.
Does the MAX4514CUK-T support bidirectional signal flow?
Yes, the MAX4514CUK-T supports fully bidirectional analog signal routing. The NO and COM terminals are electrically symmetric: either may serve as input or output. This is confirmed by the datasheet note stating "NO, NC, and COM pins are identical and interchangeable" and by rail-to-rail analog signal capability. Signal integrity remains consistent regardless of direction, making the MAX4514CUK-T ideal for flexible signal-path architectures.
What is the guaranteed on-resistance flatness for the MAX4514CUK-T at +5V?
The MAX4514CUK-T guarantees on-resistance flatness (∆RON) of ≤3Ω over the full analog signal range (0V to V+) at +5V supply and across the 0°C to +70°C operating temperature range. This specification ensures minimal gain variation and distortion when routing varying-amplitude signals-critical for audio and sensor applications where linearity must be preserved. The value is tested and guaranteed, not typical.
Can the MAX4514CUK-T be used with a +3.3V logic controller while powered from +5V?
Yes-the MAX4514CUK-T accepts logic inputs from +3.3V controllers when V+ = +5V. Its logic thresholds are 0.8V (VIL) and 2.4V (VIH), well within the +3.3V logic HIGH/LOW swing. No level shifter is needed. However, never power the MAX4514CUK-T from +3V while applying +5V logic signals, as that violates absolute maximum ratings and risks latch-up or damage to the MAX4514CUK-T.
Is the SOT23-5 package of the MAX4514CUK-T lead-free and RoHS compliant?
Yes, the MAX4514CUK-T in SOT23-5 packaging is lead-free and RoHS compliant per Maxim's official documentation and packaging specifications. The device carries the "-T" suffix, indicating tape-and-reel packaging with Pb-free terminations and compliance with EU Directive 2011/65/EU. Full material declarations and test reports for the MAX4514CUK-T are available via Analog Devices' product change notifications and quality portal.
MAX4514CUK-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 20Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 150ns, 100ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 14pF, 14pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
MAX4514CUK-T FAQ
1.How can I place an order for MAX4514CUK-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4514CUK-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 MAX4514CUK-T reliable?
The price and inventory of MAX4514CUK-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4514CUK-T is usually 5 days.
3.What payment methods are accepted for MAX4514CUK-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4514CUK-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4514CUK-T?
MAX4514CUK-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4514CUK-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 MAX4514CUK-T?
For technical support, including MAX4514CUK-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4514CUK-T requirements.
6.How does Aetrix verify that MAX4514CUK-T is sourced from the original manufacturer or authorized distributors?
All MAX4514CUK-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 MAX4514CUK-T meets industry standards.
7.What is the process for return or replacement of MAX4514CUK-T?
All MAX4514CUK-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4514CUK-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 MAX4514CUK-T part is unused and in its original packaging.
Return procedure for MAX4514CUK-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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