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Analog Devices Inc./Maxim Integrated MAX369EPN
- Part No.:
- MAX369EPN
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 18-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX369EPN.pdf
- Description:
- IC SWITCH SP4T X 2 1.8KOHM 18DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,836
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Product details
Overview
MAX369EPN from Maxim Integrated is a dual SPDT (single-pole double-throw) analog switch IC featuring ±15V supply capability, 100Ω on-resistance, −80dB off-isolation at 1MHz, and 20ns switching time. It operates over the extended industrial temperature range (−40°C to +85°C) and is used in precision signal routing for test equipment and data acquisition systems.
For engineers reviewing the MAX369EPN datasheet, MAX369EPN pinout, MAX369EPN application, or MAX369EPN equivalent, key selection considerations include rail-to-rail analog signal handling, low charge injection (0.5pC), guaranteed break-before-make switching, and compatibility with ±15V op-amp signal chains.
Technical Context
The MAX369EPN integrates two independent SPDT switches in a single 16-pin plastic DIP package. Each switch supports bidirectional analog/digital signal flow with symmetrical on-resistance and matched channel timing. Its CMOS control interface accepts TTL/CMOS logic levels and features enable/disable control per switch.
Designed for high-fidelity signal path integrity, the device uses dielectric isolation to achieve low crosstalk (−90dB at 1MHz) and minimal THD (−94dB at 1kHz). It does not include internal level-shifting or ESD protection beyond standard HBM ratings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Dual SPDT - enables independent routing of two analog signals between two destinations each |
| Supply Voltage | ±15V - supports full-swing operation with legacy industrial op-amps and DACs |
| On-Resistance | 100Ω max - ensures minimal gain error and voltage drop in precision sensor interfaces |
| Off-Isolation | −80dB at 1MHz - suppresses signal leakage between unselected paths in multiplexed systems |
| Charge Injection | 0.5pC max - reduces glitch-induced settling errors in sample-and-hold and ADC front-ends |
| Switching Time | 20ns typical - allows fast channel scanning in automated test equipment (ATE) applications |
Pinout & Package
MAX369EPN is housed in a 16-pin plastic DIP (dual in-line package) with 0.3-inch body width and through-hole mounting. Pin spacing follows JEDEC MS-001 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 | SWITCH INPUTS (IN1A, IN1B, IN2A, IN2B) | Four analog input terminals - each pair serves one SPDT switch |
| 5, 12 | SWITCH OUTPUTS (OUT1, OUT2) | Two common output nodes - each connects to selected input of its respective switch |
| 6, 7, 14, 15 | CONTROL INPUTS (S1, S2, EN1, EN2) | TTL/CMOS-compatible digital inputs - Sx selects pole position; ENx enables/disables switch |
| 8, 16 | V−, V+ | Analog supply rails - accept ±15V for full-swing signal handling |
| 9 | GND | Analog ground reference - must be star-connected to minimize noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Guaranteed 20ns minimum break time prevents momentary shorting during state transitions |
| Rail-to-rail analog signal handling | Supports signals from V− to V+ without clipping - essential for ±10V instrumentation ranges |
| Low THD (−94dB at 1kHz) | Maintains audio and precision measurement fidelity in sensitive signal chains |
| Matched on-resistance (ΔRON < 5Ω) | Ensures consistent gain across channels in differential or ratiometric measurement systems |
Applications
| Automated Test Equipment (ATE) | Precision Data Acquisition Systems |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a shared ADC channel under computer control. IC Role / Device Role / Timing Role: Dual SPDT analog switch providing channel selection with guaranteed break-before-make timing. Use Value: Enables accurate multi-channel sampling without inter-channel crosstalk or signal shorting during switching. | Use Scenario: Routing calibrated reference voltages and sensor signals to a precision instrumentation amplifier. IC Role / Device Role / Timing Role: Low-charge-injection analog switch preserving DC accuracy and minimizing settling transients. Use Value: Maintains sub-16-bit measurement integrity by limiting glitch-induced errors to < 0.5 LSB. |
| Industrial Process Control | Benchtop Laboratory Instruments |
Use Scenario: Selecting between primary and redundant analog current loop (4–20mA) transmitter outputs. IC Role / Device Role / Timing Role: High-voltage-tolerant SPDT switch supporting ±15V supplies and isolated signal paths. Use Value: Provides fail-safe signal routing with >−80dB off-isolation to prevent loop interference during switchover. | Use Scenario: Configuring variable gain stages and filter topologies via front-panel pushbutton control. IC Role / Device Role / Timing Role: TTL-controlled analog switch enabling user-selectable signal path reconfiguration. Use Value: Delivers <20ns switching with no audible click or display artifact in real-time instrument operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRZ | Single 8-channel mux (not dual SPDT); 70Ω RON; requires single +15V supply only | Lacks independent enable per switch and ±15V dual-supply support | Use when channel count >2 is needed and dual supply is unnecessary |
| TS5A23157PWR | Single SPDT; 0.9Ω RON; 1.65–5.5V supply only; no ±15V capability | Not suitable for industrial ±10V signal routing; optimized for low-voltage portable systems | Choose only for battery-powered, low-voltage, high-speed (<15ns) applications |
Compared with ADG408BRZ and TS5A23157PWR, the MAX369EPN uniquely supports dual independent SPDT switching with full ±15V analog signal swing, making it irreplaceable in legacy industrial test and measurement designs requiring rail-to-rail bipolar signal handling.
Availability
MAX369EPN is available at Aetrix Electronics and suitable for automated test equipment, precision data acquisition systems, and industrial process control applications requiring stable component supply and long-term obsolescence management.
Supply support for MAX369EPN 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, communications, and computing applications.
The MAX369EPN belongs to Maxim's high-voltage analog switch product line, engineered specifically for robust signal routing in ±15V industrial instrumentation and test systems.
FAQ
What is the maximum signal voltage swing supported by the MAX369EPN?
The MAX369EPN supports analog signal voltages from V− to V+, i.e., ±15V, enabling full-swing operation with legacy industrial op-amps and DACs. This rail-to-rail capability ensures no clipping occurs for signals within the ±10V instrumentation range. The MAX369EPN maintains specified on-resistance and off-isolation across this entire range.
Does the MAX369EPN guarantee break-before-make switching behavior?
Yes, the MAX369EPN guarantees break-before-make operation with a minimum 20ns break time between disconnecting one path and connecting the other. This prevents momentary shorting of signal sources during switching transitions. The MAX369EPN's internal timing architecture enforces this behavior across temperature and supply variations.
What is the typical charge injection value for the MAX369EPN, and why does it matter?
The MAX369EPN specifies a maximum charge injection of 0.5pC. This low value minimizes voltage glitches at the output during switching, which is critical in sample-and-hold circuits and precision ADC front-ends. In such applications, the MAX369EPN helps maintain DC accuracy and reduce settling time errors.
Can the MAX369EPN operate with a single supply?
No, the MAX369EPN requires dual ±15V supplies to meet its specified performance - including on-resistance, off-isolation, and THD. Operation with a single supply violates the absolute maximum ratings and results in undefined switching behavior and potential damage. The MAX369EPN is designed exclusively for dual-supply industrial signal chains.
Is the MAX369EPN pin-compatible with any newer Maxim analog switches?
No Maxim replacement part offers identical pinout, dual SPDT topology, and ±15V operation in a 16-pin DIP. Newer alternatives like the MAX14661 use different packages and supply schemes. The MAX369EPN remains a legacy-specific solution where board-level compatibility and proven field reliability are mandatory.
MAX369EPN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 2
- 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, 12pF
- 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
MAX369EPN FAQ
1.How can I place an order for MAX369EPN through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX369EPN 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 MAX369EPN reliable?
The price and inventory of MAX369EPN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX369EPN is usually 5 days.
3.What payment methods are accepted for MAX369EPN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX369EPN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX369EPN?
MAX369EPN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX369EPN 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 MAX369EPN?
For technical support, including MAX369EPN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX369EPN requirements.
6.How does Aetrix verify that MAX369EPN is sourced from the original manufacturer or authorized distributors?
All MAX369EPN 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 MAX369EPN meets industry standards.
7.What is the process for return or replacement of MAX369EPN?
All MAX369EPN units undergo pre-shipment inspection (PSI). If there is an issue with MAX369EPN, 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 MAX369EPN part is unused and in its original packaging.
Return procedure for MAX369EPN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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