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Analog Devices Inc./Maxim Integrated MAX314ESE+
- Part No.:
- MAX314ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX314ESE+.pdf
- Description:
- IC SW SPST-NO/NCX4 10OHM 16SOIC
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX314ESE+ 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, 10Ω max on-resistance, 1.5Ω max on-resistance matching between channels, and rail-to-rail signal handling up to ±15V. It operates from single supplies (+4.5V to +30V) or dual supplies (±4.5V to ±20V), supporting precision audio routing and data acquisition systems requiring low leakage (2.5nA at +85°C) and high off-isolation (−65dB at 1MHz).
For engineers reviewing the MAX314ESE+ datasheet, MAX314ESE+ pinout, MAX314ESE+ application, or MAX314ESE+ equivalent, key selection criteria include verified NC/NO channel configuration, guaranteed RON flatness (2Ω max), break-before-make timing (70ns typ), crosstalk performance (>96dB at 20kHz), and ESD tolerance (>2000V per Method 3015.7) in the 16-pin narrow SO package.
Technical Context
The MAX314ESE+ implements a fully complementary CMOS transmission-gate architecture enabling bidirectional conduction with symmetrical on-resistance across all four SPST switches. Its logic interface accepts TTL/CMOS-compatible inputs referenced to VL (2.4V high, 0.8V low), independent of analog supply rails.
Each channel features matched threshold voltages and charge-injection compensation, delivering 30pC typical charge injection and <2Ω RON flatness over ±10V signal range. The device maintains stable RON vs. temperature (±15Ω variation from −40°C to +85°C) and supports rail-to-rail analog signals without clipping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 6.5Ω typical / 10Ω max - ensures minimal signal attenuation and voltage drop in precision analog paths |
| RON Matching | 1.5Ω max - enables accurate gain/phase matching in multi-channel instrumentation and balanced signal routing |
| Supply Range | +4.5V to +30V single or ±4.5V to ±20V dual - supports industrial, test, and avionics power architectures |
| Off Isolation | −65dB at 1MHz - suppresses crosstalk between inactive channels in high-density signal switching |
| Crosstalk | >96dB at 20kHz - preserves signal integrity in audio multiplexing and communication system front-ends |
| Charge Injection | ±30pC max - minimizes voltage glitches in sample-and-hold and ADC input conditioning circuits |
| ESD Protection | >2000V per Method 3015.7 - enhances robustness during board assembly and field operation |
Pinout & Package
MAX314ESE+ is housed in a 16-pin narrow SOIC (SO) package (body width 3.9mm), RoHS-compliant and rated for −40°C to +85°C operation. Pin 1 is located at the top-left corner adjacent to the index mark.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1, IN2, IN3, IN4 (Pins 1, 8, 9, 16) | Logic control inputs | Active-high TTL/CMOS-compatible enables; IN1/IN4 control NO1/NO4, IN2/IN3 control NC2/NC3 |
| COM1–COM4 (Pins 2, 7, 10, 15) | Analog common terminals | Signal path center points; each connects bidirectionally to corresponding NO or NC terminal when enabled |
| NO1, NO4 (Pins 3, 6) | Normally open analog outputs | Open-circuit when logic low; connect to COM1/COM4 only when respective IN1/IN4 = high |
| NC2, NC3 (Pins 11, 14) | Normally closed analog outputs | Shorted to COM2/COM3 when logic low; disconnect only when IN2/IN3 = high |
| V+ (Pin 13) | Positive analog supply | Bias for P-channel MOSFETs; sets upper analog signal limit (up to +30V or +20V in dual mode) |
| V− (Pin 4) | Negative analog supply | Bias for N-channel MOSFETs; sets lower analog signal limit (down to −30V or −20V in dual mode) |
| GND (Pin 5) | Logic ground reference | Return path for logic inputs and VL; isolated from analog supplies to prevent noise coupling |
| VL (Pin 12) | Logic supply voltage | Defines logic threshold (2.4V/0.8V); may be tied to V+ or separate 3V/5V rail for level-shifting flexibility |
Key Features
| Feature | Design Value |
|---|---|
| Two NC + two NO channel configuration | Enables mixed-signal routing in PBX line cards and fault-tolerant sensor interfaces without external logic inversion |
| Rail-to-rail® signal handling | Supports full-scale analog signals from V− to V+ (e.g., ±15V), eliminating level-shifting requirements in bipolar systems |
| Break-before-make timing (70ns typ) | Prevents momentary shorting between NC and NO paths during state transitions in critical safety or calibration circuits |
| Guaranteed RON flatness (2Ω max) | Maintains consistent gain and THD across audio bandwidth (20Hz–20kHz) without amplitude-dependent distortion |
| Low off-leakage (2.5nA at +85°C) | Preserves accuracy in high-impedance data acquisition nodes and microamp-level sensor signal chains |
Applications
| Audio Signal Routing | Test Equipment Multiplexing |
|---|---|
|
Use Scenario: Switching microphone/line-level signals between multiple codec inputs in professional audio mixers. IC Role / Device Role / Timing Role: Quad SPST analog switch providing isolated signal paths with <2Ω RON variation to preserve stereo imaging and dynamic range. Use Value: 96dB crosstalk at 20kHz prevents bleed between channels; rail-to-rail operation handles ±12V pro-audio signal swings without clipping. |
Use Scenario: Routing DUT signals to multiple measurement instruments (oscilloscope, spectrum analyzer, DMM) in automated test fixtures. IC Role / Device Role / Timing Role: Precision analog switch enabling sequential channel access with <10Ω RON and 30pC charge injection to avoid settling errors. Use Value: 65dB off-isolation at 1MHz ensures measurement integrity; 70ns break-before-make prevents instrument input overload during reconfiguration. |
| PBX/PABX Line Interface | Avionics Signal Conditioning |
|
Use Scenario: Managing tip/ring polarity and loop-current detection paths in telecom line cards with battery feed and supervision functions. IC Role / Device Role / Timing Role: Dual-mode switch (NC/NO) implementing fail-safe relay replacement with guaranteed RON matching for balanced impedance networks. Use Value: Two NC channels maintain default connection during power loss; two NO channels enable active supervision without added discrete components. |
Use Scenario: Selecting between redundant inertial measurement unit (IMU) outputs in flight control systems requiring deterministic fault isolation. IC Role / Device Role / Timing Role: Radiation-tolerant analog switch (qualified per MIL-PRF-38535 Class B) routing analog sensor data with <2.5nA leakage at +85°C. Use Value: −40°C to +85°C operating range meets DO-160 environmental specs; >2000V ESD protects against static discharge in dry cabin environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG414BRZ (Analog Devices) | Quad SPST, 35Ω RON, single-supply only (+3V to +30V), no NC/NO mix - all channels identical | Suitable for general-purpose switching where channel symmetry is required but mixed NC/NO topology is not needed | Select ADG414BRZ when cost sensitivity outweighs need for NC/NO flexibility and lower RON is acceptable |
| TS5A23157DGSR (TI) | Quad SPST, 0.9Ω RON, 1.65V–5.5V supply, no dual-supply support, no NC/NO differentiation - all channels NO | Optimized for low-voltage portable systems; lacks bipolar rail-to-rail capability and thermal stability above +85°C | Choose TS5A23157DGSR for battery-powered instrumentation needing ultra-low RON below 5V, not for industrial or avionics use |
Compared with ADG414BRZ and TS5A23157DGSR, MAX314ESE+ uniquely delivers mixed NC/NO functionality with sub-10Ω RON and true dual-supply operation - essential for telecom line cards, fault-tolerant sensor interfaces, and high-fidelity audio routing where topology and voltage range are non-negotiable.
Availability
MAX314ESE+ is available at Aetrix Electronics and suitable for test equipment, communication systems, PBX/PABX infrastructure, and avionics signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX314ESE+ 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 high-performance analog, mixed-signal, and RF ICs for industrial, communications, computing, and consumer applications.
The MAX312/MAX313/MAX314 family was engineered specifically for precision analog switching in demanding environments - emphasizing low RON, tight matching, rail-to-rail operation, and robust ESD protection in compact packages.
FAQ
What is the maximum analog signal voltage range supported by the MAX314ESE+?
The MAX314ESE+ supports analog signals from V− to V+, enabling rail-to-rail operation. With dual supplies of ±4.5V to ±20V, it handles ±20V signals; with single supply of +4.5V to +30V, it supports 0V to +30V. Absolute maximum ratings allow V+ up to +44V and V− down to −44V, but functional operation is limited to the specified supply ranges. This makes MAX314ESE+ suitable for both industrial bipolar and automotive single-supply applications.
How does the MAX314ESE+ differ from the MAX312ESE+ and MAX313ESE+ in channel configuration?
The MAX314ESE+ integrates two normally closed (NC) switches (channels 2 and 3) and two normally open (NO) switches (channels 1 and 4), whereas MAX312ESE+ is fully NC and MAX313ESE+ is fully NO. This hybrid topology allows MAX314ESE+ to implement fail-safe default paths and active-select functions in a single package - reducing PCB area and eliminating external logic needed to combine MAX312/MAX313 variants. All three share identical pinout, RON, and timing specs.
Is the MAX314ESE+ pin-compatible with industry-standard analog switches like the DG411?
Yes, the MAX314ESE+ is explicitly pin-compatible with the DG411, DG412, and DG413 according to its datasheet. It uses the same 16-pin SOIC footprint and identical pin assignments for INx, COMx, NOx/NCx, V+, V−, GND, and VL. However, MAX314ESE+ improves on DG411 with lower RON (6.5Ω vs. 35Ω), tighter RON matching (1.5Ω vs. 5Ω), and enhanced ESD protection (>2000V vs. unspecified). No PCB changes are required for drop-in replacement in existing DG411 layouts.
What is the guaranteed on-resistance flatness specification for the MAX314ESE+ and why does it matter?
The MAX314ESE+ guarantees on-resistance flatness of 2Ω maximum over its specified analog signal range (±10V with dual supplies). Flatness is defined as the difference between max and min RON measured across the full signal swing. This parameter directly impacts total harmonic distortion (THD) in audio and measurement applications - flatter RON means less amplitude-dependent gain error and lower distortion. At 20kHz, MAX314ESE+ achieves <0.01% THD with 5VRMS signals into 600Ω loads.
Does the MAX314ESE+ require external blocking diodes for overvoltage protection?
No, the MAX314ESE+ does not require external blocking diodes for standard overvoltage conditions within its absolute maximum ratings. Its internal ESD protection diodes clamp signals exceeding V+ or V−, provided forward current is limited to 30mA. However, if analog signals may exceed V+ or fall below V− by more than 0.3V under fault conditions (e.g., hot-plug events), external series resistors or Schottky clamps are recommended - as shown in Figure 1 of the MAX314ESE+ datasheet. MAX314ESE+'s design inherently supports robust operation in test and telecom environments without added protection in most cases.
MAX314ESE+ 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-SOIC
MAX314ESE+ FAQ
1.How can I place an order for MAX314ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX314ESE+ 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 MAX314ESE+ reliable?
The price and inventory of MAX314ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX314ESE+ is usually 5 days.
3.What payment methods are accepted for MAX314ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX314ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX314ESE+?
MAX314ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX314ESE+ 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 MAX314ESE+?
For technical support, including MAX314ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX314ESE+ requirements.
6.How does Aetrix verify that MAX314ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX314ESE+ 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 MAX314ESE+ meets industry standards.
7.What is the process for return or replacement of MAX314ESE+?
All MAX314ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX314ESE+, 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 MAX314ESE+ part is unused and in its original packaging.
Return procedure for MAX314ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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