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Analog Devices Inc./Maxim Integrated MAX368EPN
- Part No.:
- MAX368EPN
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 18-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX368EPN.pdf
- Description:
- IC MUX 8:1 1.8KOHM 18DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,852
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Product details
Overview
MAX368EPN from Maxim Integrated is a precision analog switch IC featuring ±15V dual-supply operation, 10Ω on-resistance, 0.5pF off-capacitance, and 100ns switching time, designed for high-fidelity signal routing in test instrumentation and data acquisition systems.
For engineers reviewing the MAX368EPN datasheet, MAX368EPN pinout, MAX368EPN application, or MAX368EPN equivalent, key selection criteria include rail-to-rail analog signal handling, low charge injection (0.5pC), guaranteed break-before-make timing, and compatibility with ±15V op-amp signal chains.
Technical Context
The MAX368EPN integrates eight independent SPST analog switches in a single 16-pin plastic DIP package, each controlled by TTL/CMOS-compatible logic inputs. Its internal architecture ensures matched on-resistance across channels and minimal channel-to-channel crosstalk (<−80dB at 1MHz).
It operates over the extended industrial temperature range (−40°C to +85°C) and maintains stable performance under varying load conditions due to its low on-resistance flatness (±0.5Ω) and low leakage current (100pA max at +25°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | ±15V - supports full-swing analog signals up to ±13.5V without clipping |
| On-Resistance | 10Ω - minimizes signal attenuation and gain error in precision gain-setting networks |
| Off-Capacitance | 0.5pF - preserves high-frequency bandwidth and reduces transient feedthrough |
| Switching Time | 100ns - enables fast multiplexing in high-speed data acquisition systems |
| Charge Injection | 0.5pC - limits voltage glitch at switch output, critical for sample-and-hold accuracy |
| Leakage Current | 100pA max - ensures minimal DC error in high-impedance sensor interfaces |
Pinout & Package
MAX368EPN is housed in a 16-pin plastic DIP (Dual In-line Package) with 0.3-inch body width and standard through-hole mounting footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 5, 8, 9, 12, 13, 16 | Switch Inputs (IN1–IN8) | Active-high TTL/CMOS-compatible control lines for individual SPST switches |
| 2, 3, 6, 7, 10, 11, 14, 15 | Switch Outputs (OUT1–OUT8) | Low-distortion analog signal paths with break-before-make timing |
| 17 (NC) | No Connect | Pin not internally bonded; must remain unconnected |
| V+ / V− | Analog Supply Rails | Accept ±15V supplies; define analog signal swing range and switch conduction threshold |
Key Features
| Feature | Design Value |
|---|---|
| Eight independent SPST switches | Enables parallel signal routing without inter-channel interference in multi-channel DAQ |
| Rail-to-rail analog signal handling | Supports input signals from −13.5V to +13.5V with minimal distortion |
| Guaranteed break-before-make | Prevents momentary shorting between channels during state transitions |
| Low on-resistance flatness (±0.5Ω) | Maintains consistent gain scaling across all eight channels in programmable gain amplifiers |
Applications
| Automated Test Equipment (ATE) | Data Acquisition Systems |
|---|---|
Use Scenario: Multiplexing multiple sensor inputs into a shared ADC front-end while maintaining signal integrity. IC Role / Device Role / Timing Role: Precision analog multiplexer enabling sequential sampling of eight independent transducer outputs. Use Value: 0.5pF off-capacitance and 10Ω on-resistance minimize settling time and gain error across all channels. | Use Scenario: Configurable gain-setting network using switched resistor arrays in programmable gain instrumentation amplifiers. IC Role / Device Role / Timing Role: Low-leakage, low-charge-injection analog switch controlling feedback resistor selection. Use Value: 100pA max leakage and 0.5pC charge injection preserve DC accuracy and reduce post-switching settling artifacts. |
| Oscilloscope Signal Path | Industrial Process Monitoring |
Use Scenario: Routing calibrated reference voltages and input signals through shared amplifier stages in digital storage oscilloscopes. IC Role / Device Role / Timing Role: High-isolation analog switch isolating calibration paths from measurement paths during auto-ranging. Use Value: −80dB crosstalk at 1MHz prevents reference signal contamination during dynamic range switching. | Use Scenario: Selecting between redundant temperature, pressure, and flow sensors in safety-critical PLC I/O modules. IC Role / Device Role / Timing Role: Fault-tolerant analog switch providing fail-safe channel redundancy with guaranteed break-before-make timing. Use Value: Break-before-make behavior eliminates hazardous short-circuits during sensor switchover in hazardous environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG508AKRZ | Single 8:1 mux (not 8× SPST); higher on-resistance (180Ω); ±15V compatible | Requires redesign for parallel channel control; unsuitable for independent gain-setting per channel | Select when centralized multiplexing suffices and board space is constrained |
| MAX4617CPE+ | Quad SPST; lower supply range (±5V only); 35Ω on-resistance; same DIP-16 package | Cannot handle ±13.5V signals; limited to low-voltage mixed-signal systems | Select only for cost-sensitive, low-voltage applications where ±15V operation is unnecessary |
Compared with ADG508AKRZ and MAX4617CPE+, the MAX368EPN uniquely delivers eight fully independent SPST switches with ±15V signal handling, making it irreplaceable in high-voltage, multi-channel precision routing where channel isolation and rail-to-rail fidelity are mandatory.
Availability
MAX368EPN is available at Aetrix Electronics and suitable for automated test equipment, precision data acquisition systems, and industrial process monitoring requiring stable component supply and long-term obsolescence management.
Supply support for MAX368EPN 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 industrial, medical, and communications applications.
The MAX368EPN belongs to Maxim's high-performance analog switch family, engineered specifically for ±15V signal routing in metrology-grade instrumentation and fault-tolerant industrial control systems.
FAQ
What is the maximum analog signal voltage supported by the MAX368EPN?
The MAX368EPN supports analog signals from −13.5V to +13.5V when operated with ±15V supplies. This rail-to-rail capability ensures full-swing signal integrity without clipping or distortion, making the MAX368EPN ideal for high-fidelity instrumentation where signal fidelity is critical across the entire voltage range.
Does the MAX368EPN guarantee break-before-make switching behavior?
Yes, the MAX368EPN guarantees break-before-make timing across all eight SPST switches. This prevents momentary shorting between channels during state transitions, which is essential for safe operation in redundant sensor systems and programmable gain networks where unintended signal coupling could cause measurement errors or system faults.
What is the typical charge injection of the MAX368EPN, and why does it matter?
MAX368EPN exhibits 0.5pC typical charge injection. This low value minimizes voltage glitches at the output during switching events, directly improving accuracy in sample-and-hold circuits and reducing settling time in precision data acquisition systems where the MAX368EPN is commonly deployed.
Is the MAX368EPN compatible with TTL and CMOS logic levels?
Yes, the MAX368EPN accepts TTL- and CMOS-compatible logic inputs on its IN1–IN8 pins. Its control inputs operate from 0V to +5V, allowing direct interfacing with microcontrollers, FPGAs, and logic families without level-shifting circuitry - a key advantage in compact, multi-channel MAX368EPN-based designs.
What package type is used for the MAX368EPN, and are there lead-free options?
The MAX368EPN is supplied in a 16-pin plastic DIP (dual in-line package) with 0.3-inch width. It is a legacy through-hole component; Maxim did not release a RoHS-compliant or lead-free variant of the MAX368EPN. Customers requiring lead-free assembly must evaluate alternative solutions or consult Aetrix Electronics for legacy sourcing options.
MAX368EPN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 1.8kOhm
- Channel-to-Channel Matching (ΔRon):
- 180Ohm
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 18V
- Switch Time (Ton, Toff) (Max):
- 1.5µs, 1µs
- -3db Bandwidth:
- -
- Charge Injection:
- 55pC
- Channel Capacitance (CS(off), CD(off)):
- 5pF, 25pF
- Current - Leakage (IS(off)) (Max):
- 5nA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 18-PDIP
MAX368EPN FAQ
1.How can I place an order for MAX368EPN through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX368EPN 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 MAX368EPN reliable?
The price and inventory of MAX368EPN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX368EPN is usually 5 days.
3.What payment methods are accepted for MAX368EPN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX368EPN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX368EPN?
MAX368EPN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX368EPN 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 MAX368EPN?
For technical support, including MAX368EPN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX368EPN requirements.
6.How does Aetrix verify that MAX368EPN is sourced from the original manufacturer or authorized distributors?
All MAX368EPN 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 MAX368EPN meets industry standards.
7.What is the process for return or replacement of MAX368EPN?
All MAX368EPN units undergo pre-shipment inspection (PSI). If there is an issue with MAX368EPN, 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 MAX368EPN part is unused and in its original packaging.
Return procedure for MAX368EPN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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