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Analog Devices Inc./Maxim Integrated MAX314EUE+
- Part No.:
- MAX314EUE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX314EUE+.pdf
- Description:
- IC SW SPST-NO/NCX4 10OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:208
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Product details
Overview
MAX314EUE+ from Maxim Integrated is a quad, single-pole/single-throw (SPST) CMOS analog switch with two normally closed (NC) and two normally open (NO) channels. It features 6.5Ω typical on-resistance, 1.5Ω max on-resistance matching between channels, rail-to-rail signal handling, and operates from ±4.5V to ±20V dual supplies or +4.5V to +30V single supply. It is used in audio signal routing and data acquisition systems where precise analog path control is required.
For engineers reviewing the MAX314EUE+ datasheet, MAX314EUE+ pinout, MAX314EUE+ application, or MAX314EUE+ equivalent, key selection considerations include its dual/quad SPST topology, NC/NO channel pairing, guaranteed RON flatness (2Ω max), ESD tolerance (>2000V), and TSSOP-16 package compatibility with high-density PCB layouts.
Technical Context
The MAX314EUE+ implements a fully complementary CMOS transmission-gate architecture enabling bidirectional conduction with minimal signal distortion. Its logic interface accepts TTL/CMOS-compatible inputs referenced to VL (logic supply), while analog paths support rail-to-rail operation across the full ±20V dual-supply or 0V–30V single-supply range.
Channel switching is independent and non-latching; each INx controls one NOx/NCx pair. Break-before-make timing is guaranteed at 70ns (typ) to prevent momentary shorting in mixed-configuration signal paths - a critical feature for the MAX314's hybrid NC/NO topology not present in MAX312/MAX313.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 6.5Ω typical - ensures low insertion loss and minimal voltage drop in precision analog paths. |
| RON match | ≤1.5Ω max between channels - enables matched gain/attenuation in differential or multi-channel routing. |
| RON flatness | ≤2Ω max over ±10V signal range - maintains consistent linearity and THD performance across full analog swing. |
| Off leakage (T = +85°C) | ±2.5nA - preserves signal integrity in high-impedance sample-and-hold or sensor front-ends. |
| Supply range | ±4.5V to ±20V dual or +4.5V to +30V single - supports industrial, avionics, and test equipment rails without level-shifting. |
| Crosstalk | >96dB at 20kHz - prevents audible or measurement-critical coupling between adjacent switched channels. |
| Charge injection | ±30pC - limits voltage glitch on sampled nodes, critical for low-error ADC input multiplexing. |
Pinout & Package
MAX314EUE+ is housed in a 16-pin TSSOP package (4.4mm width), RoHS-compliant and optimized for automated assembly and thermal performance in space-constrained designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 1, 8, 9, 16) | Logic control inputs | Active-high TTL/CMOS-compatible signals controlling respective switch pairs; referenced to VL. |
| COM1–COM4 (Pins 2, 7, 10, 15) | Analog common terminals | Bidirectional signal path connection points; must be routed with controlled impedance for RF-sensitive applications. |
| NO1, NO4 (Pins 3, 6); NO2, NO3 (Pins 11, 14) | Normally open analog terminals | Open-circuit when INx = low; connect to COMx only when INx = high - used for enable-style routing. |
| NC1, NC4 (Pins 11, 14); NC2, NC3 (Pins 3, 6) | Normally closed analog terminals | Shorted to COMx when INx = low; disconnect when INx = high - provides fail-safe or default-path functionality. |
| V+, V− (Pins 13, 4) | Analog supply rails | Support bipolar or unipolar operation; V− tied to GND for single-supply use; decoupling required near pins. |
| VL (Pin 12) | Logic supply reference | Accepts 2.7V–5.5V; isolates logic threshold from analog rails - enables mixed-voltage system interfacing. |
| GND (Pin 5) | Logic ground | Reference for VL and digital inputs; should be star-connected to minimize noise coupling into analog paths. |
Key Features
| Feature | Design Value |
|---|---|
| Hybrid NC/NO channel pairing | Two NC + two NO switches in one IC - eliminates need for discrete combining logic in fault-tolerant or default-path routing. |
| Rail-to-rail signal handling | Full analog swing from V− to V+ - supports ±15V instrumentation signals without clipping or level translation. |
| Guaranteed break-before-make | 70ns typ delay - prevents transient shorts during channel reconfiguration in audio or multiplexed sensor systems. |
| ESD protection | >2000V per Method 3015.7 - enhances robustness in bench-test and field-deployed equipment handling. |
| Low THD performance | <−80dB at 1kHz (5VRMS, 600Ω) - meets fidelity requirements for professional audio routing and measurement-grade signal paths. |
Applications
| Audio Signal Routing | Test Equipment Multiplexing |
|---|---|
Use Scenario: Switching line-level stereo signals between multiple outputs (e.g., monitor select, cue send) in broadcast consoles. IC Role / Device Role / Timing Role: Quad SPST analog switch providing isolated, low-distortion path selection with simultaneous NC/NO control for mute/fade transitions. Use Value: 6.5Ω RON and <−80dB THD preserve dynamic range and stereo imaging; TSSOP-16 enables compact channel-density layout. | Use Scenario: Routing DUT signals to multiple instruments (oscilloscope, spectrum analyzer, DMM) in automated test fixtures. IC Role / Device Role / Timing Role: Precision analog multiplexer with guaranteed RON match (≤1.5Ω) and low charge injection (±30pC) for repeatable measurement accuracy. Use Value: Dual-supply operation (±15V) matches instrument input ranges; break-before-make prevents cross-instrument loading during reconfiguration. |
| Data Acquisition Channel Selection | Avionics Signal Conditioning |
Use Scenario: Selecting among 4 sensor inputs (thermocouple, RTD, strain gauge) feeding a shared ADC front-end. IC Role / Device Role / Timing Role: Low-leakage (±2.5nA @ +85°C), rail-to-rail analog switch ensuring minimal offset error and full-scale utilization of ADC. Use Value: NC/NO pairing allows default sensor (e.g., primary temp) to remain active during fault detection; TSSOP supports conformal coating for harsh environments. | Use Scenario: Isolating and routing analog cockpit display signals (e.g., airspeed, altitude) with fail-safe default paths. IC Role / Device Role / Timing Role: Redundant signal switch where NC channels maintain critical displays during power-up or logic fault. Use Value: −55°C to +125°C extended temp grade available (MAX314MJE); ESD >2000V meets DO-160 Section 22 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG414BRUZ | Quad SPST, 35Ω RON, 3V–30V single-supply only, no dual-supply support | Lacks NC/NO hybrid configuration; requires external logic for default-path behavior | Choose when only single-supply operation is needed and higher RON is acceptable for cost-sensitive industrial I/O. |
| TS5A3157DCKR | Single SPST, 0.75Ω RON, 1.65V–5.5V logic, 5V analog max, SC70-6 package | Single-channel only; unsuitable for quad routing without four devices and added layout complexity | Choose for ultra-low RON in low-voltage, space-constrained portable designs - not a functional replacement for MAX314EUE+. |
Compared with ADG414BRUZ and TS5A3157DCKR, the MAX314EUE+ uniquely delivers quad-channel hybrid NC/NO switching with bipolar supply support, making it irreplaceable in applications requiring fail-safe analog routing under wide voltage and temperature conditions.
Availability
MAX314EUE+ is available at Aetrix Electronics and suitable for audio signal routing, test equipment multiplexing, and data acquisition systems requiring stable component supply across industrial temperature grades.
Supply support for MAX314EUE+ 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, automotive, and communications applications.
The MAX312/MAX313/MAX314 family was engineered specifically for high-fidelity analog signal routing in test, measurement, and audio systems - prioritizing low RON, tight matching, and rail-to-rail performance over speed or integration density.
FAQ
What is the maximum analog signal voltage range supported by the MAX314EUE+?
The MAX314EUE+ supports analog signals from V− to V+, with absolute maximum ratings of −44V to +44V across V+ and V−. In standard operation, it handles ±10V signals with guaranteed RON flatness and is rated for dual supplies of ±4.5V to ±20V or single supplies of +4.5V to +30V. This makes the MAX314EUE+ suitable for industrial sensor interfaces and instrumentation where wide dynamic range is essential.
Does the MAX314EUE+ require external pull-up or pull-down resistors on its logic inputs?
No, the MAX314EUE+ logic inputs (IN1–IN4) have built-in TTL/CMOS-compatible thresholds and do not require external biasing. They operate with VIH = 2.4V min and VIL = 0.8V max when VL = 5V, and input current remains within ±0.5µA across temperature. This simplifies interface design with microcontrollers and FPGAs, eliminating external components for the MAX314EUE+ in most digital-control scenarios.
How does the NC/NO channel configuration of the MAX314EUE+ differ from the MAX312 and MAX313?
The MAX314EUE+ integrates two normally closed (NC) and two normally open (NO) SPST switches in one device, whereas the MAX312 is quad NC and the MAX313 is quad NO. This hybrid configuration enables default-path routing (e.g., safety-critical signal remains connected until actively disabled) without external logic. The MAX314EUE+ truth table confirms IN1/IN4 control NC1/NC4 and NO1/NO4 respectively, giving designers flexible fail-safe architecture not possible with MAX312 or MAX313 alone.
Can the MAX314EUE+ be used in single-supply 3.3V systems?
Yes - the MAX314EUE+ supports single-supply operation down to +4.5V, so it is not rated for direct 3.3V analog rail use. However, it can interface with 3.3V logic via VL (pin 12), which accepts 2.7V–5.5V. For true 3.3V analog signal switching, consider the MAX314EUE+'s lower-voltage counterparts like the MAX4617, but note that the MAX314EUE+ remains optimal where ±5V or higher analog rails are present, such as in legacy test gear or industrial PLC I/O modules.
What is the thermal performance of the MAX314EUE+ in its TSSOP-16 package?
The MAX314EUE+ in TSSOP-16 has a thermal resistance θJA of 149°C/W and a derating factor of 6.7mW/°C above +70°C, yielding 457mW maximum continuous power dissipation at TA = +70°C. Under typical operation (e.g., 10mA per channel, RON = 6.5Ω), power dissipation stays well below this limit. For high-current or high-temperature deployments, ensure adequate PCB copper area under the exposed pad (if present) and airflow - though the MAX314EUE+'s low leakage and RON inherently minimize self-heating.
MAX314EUE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 10Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 30V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 225ns, 185ns
- -3db Bandwidth:
- -
- Charge Injection:
- 20pC
- Channel Capacitance (CS(off), CD(off)):
- 15pF, 15pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
MAX314EUE+ FAQ
1.How can I place an order for MAX314EUE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX314EUE+ 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 MAX314EUE+ reliable?
The price and inventory of MAX314EUE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX314EUE+ is usually 5 days.
3.What payment methods are accepted for MAX314EUE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX314EUE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX314EUE+?
MAX314EUE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX314EUE+ 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 MAX314EUE+?
For technical support, including MAX314EUE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX314EUE+ requirements.
6.How does Aetrix verify that MAX314EUE+ is sourced from the original manufacturer or authorized distributors?
All MAX314EUE+ 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 MAX314EUE+ meets industry standards.
7.What is the process for return or replacement of MAX314EUE+?
All MAX314EUE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX314EUE+, 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 MAX314EUE+ part is unused and in its original packaging.
Return procedure for MAX314EUE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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