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Analog Devices Inc./Maxim Integrated MAX14758EUE+T
- Part No.:
- MAX14758EUE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX14758EUE+T.pdf
- Description:
- IC SW SPST-NO/NCX4 10OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX14758EUE+T from Maxim Integrated is a dual normally open (NO) and dual normally closed (NC) SPST analog switch IC designed for high-voltage signal routing in industrial and test equipment. It features 10Ω max on-resistance, ±35V dual-supply or +70V single-supply operation, rail-to-rail analog signal range, and operates across –40°C to +85°C. It enables precision switching of sensor signals, battery monitoring paths, and audio channels in harsh environments.
For engineers reviewing the MAX14758EUE+T datasheet, MAX14758EUE+T pinout, MAX14758EUE+T application, or MAX14758EUE+T equivalent, key selection criteria include its dual NO/NC configuration, 0.004Ω typical on-resistance flatness, ±50mA continuous switch current, low 2.5nA max off-leakage at +85°C, and TSSOP-16 package compatibility with high-voltage PCB layout requirements.
Technical Context
The MAX14758EUE+T integrates four independent SPST switches-two configured as NO and two as NC-with separate enable inputs (EN1–EN4) that control state transitions without shared logic. Its BiCMOS process enables robust operation under ±35V bipolar or +10V to +70V unipolar supplies, with internal clamping diodes protecting against overvoltage/undervoltage transients up to ±100mA peak input current.
Each switch supports bidirectional conduction with 5Ω typical on-resistance and 0.3Ω max matching between channels, while maintaining <0.004Ω on-resistance flatness over ±20V signal swing. Dynamic performance includes 60µs max turn-on time, 96dB crosstalk suppression at 1MHz, and 145MHz –3dB bandwidth-enabling use in low-distortion audio and ATE signal paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (max) | 10Ω - Ensures minimal voltage drop and power loss when routing ±50mA analog signals. |
| Supply Range | +10V to +70V (unipolar) or ±35V (bipolar) - Supports wide-range industrial sensors and battery stack monitoring. |
| Off-Leakage Current (max) | 2.5nA at +85°C - Preserves accuracy in high-impedance instrumentation front-ends. |
| On-Resistance Flatness (typ) | 0.004Ω - Delivers ultra-linear gain and THD+N <0.001% in audio and precision measurement paths. |
| Switch Bandwidth (–3dB) | 145MHz - Enables RF-adjacent signal routing and fast transient response in ATE systems. |
| Enable Turn-Off Time (max) | 3µs - Allows rapid channel isolation during fault detection or multiplexing sequences. |
| Operating Temperature | –40°C to +85°C - Qualified for deployment in environmental control and medical equipment enclosures. |
Pinout & Package
The MAX14758EUE+T is housed in a RoHS-compliant 16-pin TSSOP package (4.4mm × 5mm, 0.65mm pitch), optimized for thermal dissipation (θJA = 90°C/W) and high-voltage PCB isolation. Pin 12 (VL) requires local 1µF ceramic decoupling to GND; VDD (Pin 13) and VSS (Pin 4) each require 1µF/100V ceramic bypassing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 (A1–A4) | Analog terminal A per switch | High-impedance input/output node; supports rail-to-rail ±35V signal swing with bidirectional conduction. |
| 2, 7, 10, 15 (B1–B4) | Analog terminal B per switch | Complementary analog path; matched RON and flatness ensure channel-to-channel consistency. |
| 3, 6, 11, 14 (EN1–EN4) | Digital enable input per switch | 3.3V-compatible logic interface; active-high control with 0.25×VL / 0.75×VL thresholds ensures noise immunity. |
| 4 (VSS) | Negative supply rail | Bipolar reference; must be bypassed to GND with 1µF ceramic capacitor to suppress switching transients. |
| 5 (GND) | Logic ground reference | Isolated return path for VL and enable logic; separation from analog grounds reduces coupling noise. |
| 12 (VL) | Logic supply voltage | Independent 1.6V–11V bias for enable circuitry; decoupling prevents logic glitches during high-slew analog events. |
| 13 (VDD) | Positive supply rail | Main analog power; rated for +10V to +70V; 1µF/100V ceramic bypass essential for stability at full voltage. |
Key Features
| Feature | Design Value |
|---|---|
| Dual NO + Dual NC configuration | Enables fail-safe signal routing-e.g., default-closed safety path and default-open diagnostic path in one IC. |
| Rail-to-rail analog signal range | Supports full-scale signal transmission from VSS to VDD without clipping, critical for sensor output fidelity. |
| Internal overvoltage/undervoltage clamping | Integrated protection diodes limit A/B pin voltages to VDD+2V/VSS−0.3V, eliminating external TVS in many industrial interfaces. |
| 0.004Ω on-resistance flatness (typ) | Minimizes harmonic distortion in audio and precision ADC/DAC interfaces, enabling THD+N <0.001%. |
| Functionally compatible with DG411/DG412/DG413 | Allows drop-in replacement in legacy designs using industry-standard quad SPST footprints and timing. |
Applications
| Industrial Control Systems | ATE Systems |
|---|---|
Use Scenario: Routing thermocouple, RTD, or 4–20mA loop signals among multiple PLC I/O modules under varying ambient temperatures. IC Role / Device Role / Timing Role: Quad SPST analog switch providing isolated, low-drift signal paths with NC/NO redundancy for hot-swap-safe reconfiguration. Use Value: 10Ω max RON and 0.3Ω matching preserve measurement accuracy across channels; ±35V supply tolerance accommodates field-wiring transients. | Use Scenario: Multiplexing DUT stimulus and response signals in automated test fixtures handling mixed-signal ICs. IC Role / Device Role / Timing Role: High-bandwidth (145MHz) analog switch enabling fast channel switching (<60µs) during parametric test sequences. Use Value: 96dB crosstalk and 65dB off-isolation prevent signal bleed between adjacent test channels; low charge injection (580pC) avoids DAC settling errors. |
| Battery Management Systems | Medical Instrumentation |
Use Scenario: Monitoring individual cell voltages in 12–24S Li-ion battery packs with centralized BMS controllers. IC Role / Device Role / Timing Role: Dual NO/NC topology allows simultaneous connection of voltage sense lines while maintaining default-closed safety discharge paths. Use Value: ±50mA switch current handles passive balancing loads; 2.5nA max off-leakage prevents self-discharge drift in high-impedance cell taps. | Use Scenario: Selecting ECG electrode inputs or configuring gain paths in portable patient monitors with strict leakage and noise requirements. IC Role / Device Role / Timing Role: Low-leakage (0.01nA typ), low-THD analog switch routing biopotential signals to instrumentation amplifiers. Use Value: 0.004Ω RON flatness ensures linear amplification across ±5mV input range; functional operation to +125°C supports sterilization-ready designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX14757EUE+T | Quad NO-only configuration; identical RON, supply range, and package; no NC functionality. | Suitable only where all four switches require default-open behavior-e.g., pure signal gating without fail-safe paths. | Select MAX14757EUE+T when NC functionality is unnecessary and board space permits dedicated NO-only routing. |
| ADG1419BRUZ | Single-pole double-throw (SPDT) architecture; 1.8Ω max RON; ±15V max supply; 16-TSSOP package. | Provides break-before-make switching but lacks dual NO/NC flexibility; lower voltage rating limits use in >±20V systems. | Choose ADG1419BRUZ only for low-voltage, SPDT-specific topologies requiring sub-2Ω RON, not as direct functional replacement. |
Compared with MAX14757EUE+T and ADG1419BRUZ, the MAX14758EUE+T uniquely combines dual NO/NC functionality within a single +70V-rated device-enabling compact, fail-safe signal routing in high-voltage industrial and medical systems where supply headroom and default-state safety are mandatory.
Availability
MAX14758EUE+T is available at Aetrix Electronics and suitable for industrial control systems, battery management, and medical instrumentation requiring stable component supply across extended temperature and voltage ranges.
Supply support for MAX14758EUE+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 high-voltage ICs for industrial, medical, and communications applications.
The MAX14756/MAX14757/MAX14758 product line delivers high-voltage SPST analog switches targeting signal integrity-critical systems where rail-to-rail operation, low leakage, and robust overvoltage protection are essential.
FAQ
What is the maximum allowable analog signal voltage range for MAX14758EUE+T?
The MAX14758EUE+T supports a rail-to-rail analog signal range from VSS to VDD. With ±35V dual supplies, this yields ±35V; with +70V single supply and VSS = 0V, it supports 0V to +70V. Absolute maximum ratings allow A/B pins to swing to VDD + 2V or VSS − 0.3V, provided current is limited to ±100mA via external series resistors.
How does the dual NO/NC configuration of MAX14758EUE+T improve system reliability?
The MAX14758EUE+T's two NO and two NC switches enable hardware-level redundancy-for example, an NC path can maintain default connectivity for safety-critical monitoring while NO paths handle on-demand diagnostics. This eliminates single-point failure modes in industrial controllers and medical devices where uninterrupted signal flow is mandated.
Can MAX14758EUE+T operate beyond its specified –40°C to +85°C temperature range?
Yes-the MAX14758EUE+T is functionally operational up to +125°C, though off-leakage current increases above +85°C. At +125°C, off-leakage may rise to ~100nA (per datasheet curves), which remains acceptable in moderate-impedance circuits. Derating of power dissipation and verification of system-level thermal margins are required for sustained +125°C use.
What is the purpose of the VL pin on MAX14758EUE+T, and what voltage should it be set to?
The VL pin supplies power to the enable logic circuitry of MAX14758EUE+T and must be set between +1.6V and +11V. It is typically tied to +3.3V or +5V for compatibility with standard logic families. VL is independent of VDD/VSS, allowing logic-level translation and preventing enable glitches during analog supply transients.
Does MAX14758EUE+T require external protection components for overvoltage events?
No-MAX14758EUE+T integrates protection diodes from each A/B pin to VDD and VSS, enabling overvoltage/undervoltage clamping. When used with appropriately sized series current-limiting resistors (calculated per datasheet equations), these diodes safely shunt transients up to ±100mA without external TVS diodes or clamps.
MAX14758EUE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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+):
- 10V ~ 70V
- Voltage - Supply, Dual (V±):
- ±10V ~ 35V
- Switch Time (Ton, Toff) (Max):
- 60µs, 3µs
- -3db Bandwidth:
- 145MHz
- Charge Injection:
- 580pC
- Channel Capacitance (CS(off), CD(off)):
- 35pF
- Current - Leakage (IS(off)) (Max):
- 2.5nA
- Crosstalk:
- -96dB @ 10MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
MAX14758EUE+T FAQ
1.How can I place an order for MAX14758EUE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX14758EUE+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 MAX14758EUE+T reliable?
The price and inventory of MAX14758EUE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX14758EUE+T is usually 5 days.
3.What payment methods are accepted for MAX14758EUE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX14758EUE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX14758EUE+T?
MAX14758EUE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX14758EUE+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 MAX14758EUE+T?
For technical support, including MAX14758EUE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX14758EUE+T requirements.
6.How does Aetrix verify that MAX14758EUE+T is sourced from the original manufacturer or authorized distributors?
All MAX14758EUE+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 MAX14758EUE+T meets industry standards.
7.What is the process for return or replacement of MAX14758EUE+T?
All MAX14758EUE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX14758EUE+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 MAX14758EUE+T part is unused and in its original packaging.
Return procedure for MAX14758EUE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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