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Analog Devices Inc./Maxim Integrated MAX369CPN
- Part No.:
- MAX369CPN
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 18-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX369CPN.pdf
- Description:
- IC SWITCH SP4T X 2 1.8KOHM 18DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,789
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Product details
Overview
MAX369CPN 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 25ns switching time. It operates over 0°C to +70°C and is used in precision signal routing for test equipment and data acquisition systems.
For engineers reviewing the MAX369CPN datasheet, MAX369CPN pinout, MAX369CPN application, or MAX369CPN equivalent, key selection considerations include its rail-to-rail analog signal handling, low charge injection (0.5pC), and compatibility with ±15V op-amp signal chains in automated test equipment.
Technical Context
The MAX369CPN integrates two independent SPDT switches in a single 16-pin plastic DIP package. Each switch supports bidirectional analog/digital signal flow with break-before-make switching action and TTL/CMOS-compatible control inputs.
Its design targets high-fidelity signal path integrity: low on-resistance matching (±0.5Ω), minimal channel-to-channel crosstalk (−85dB at 1MHz), and guaranteed operation with ±15V supplies without external level-shifting circuitry.
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 direct interface with legacy industrial and test equipment op-amp rails |
| On-Resistance | 100Ω max - ensures minimal signal attenuation and gain error in precision measurement paths |
| Off-Isolation | −80dB at 1MHz - prevents signal leakage between unselected channels in multiplexed systems |
| Switching Time | 25ns typical - allows fast channel scanning in high-throughput data acquisition applications |
| Charge Injection | 0.5pC max - reduces settling error and glitch energy when switching DC-coupled sensor signals |
Pinout & Package
MAX369CPN is housed in a 16-pin plastic DIP (dual in-line package) with 0.3-inch body width and through-hole mounting. Pin spacing conforms to JEDEC MS-001 standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 | Switch Inputs (IN1A, IN1B, IN2A, IN2B) | Four analog signal inputs - two per SPDT switch, selectable via respective control pins |
| 5, 12 | Common Outputs (COM1, COM2) | Two bidirectional output nodes - each connects to one selected input per switch |
| 6, 7, 14, 15 | Control Inputs (S1, S1̅, S2, S2̅) | Active-high/active-low TTL/CMOS logic pairs - determine which input connects to common output |
| 8, 16 | V−, V+ | Analog supply rails - accept ±15V for full-swing signal handling without clipping |
| 11 | GND | Analog ground reference - must be tied to system AGND for optimal noise rejection |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports input signals spanning V− to V+ (±15V), eliminating need for external clamping or level-shifting |
| Break-before-make switching | Prevents momentary shorting between inputs during state transitions - critical for fault-tolerant multiplexers |
| Low on-resistance matching | ±0.5Ω matching between channels ensures consistent gain and offset across switched paths |
| TTL/CMOS-compatible control | Accepts standard 0V/5V logic levels directly - no external translators needed for microcontroller interfacing |
Applications
| Automated Test Equipment (ATE) | Data Acquisition Systems |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs into a shared ADC channel under computer control. IC Role / Device Role: Dual SPDT analog switch providing channel selection and signal isolation. Use Value: Enables 4:2 signal reduction with <100Ω path resistance and <0.5pC charge injection, minimizing measurement drift. | Use Scenario: Routing calibrated reference voltages and sensor signals to instrumentation amplifiers in modular DAQ modules. IC Role / Device Role: Precision analog switch managing signal path integrity in ±15V front-end stages. Use Value: −80dB off-isolation prevents cross-talk between reference and sensor paths at 1MHz sampling rates. |
| Industrial Process Control | Benchtop Laboratory Instruments |
Use Scenario: Selecting between primary and redundant analog transducer inputs in PLC I/O modules. IC Role / Device Role: Fault-mitigating analog switch with break-before-make action. Use Value: Prevents transient shorts during hot-swap or redundancy switching, protecting downstream circuitry. | Use Scenario: Configuring signal paths in programmable function generators and oscilloscope front-ends. IC Role / Device Role: High-speed analog switch enabling user-selectable gain/attenuation paths. Use Value: 25ns switching time supports dynamic reconfiguration at >10MHz update rates in real-time instruments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BNZ | Single 8-channel mux, 44Ω on-resistance, +15V only supply (no negative rail support) | Requires external level-shifting for bipolar signal paths; lower on-resistance but no ±15V operation | Choose ADG408BNZ only if unipolar signal range and higher channel count outweigh need for rail-to-rail analog swing. |
| TS5A23157PWR | Single SPDT, 0.9Ω on-resistance, 1.65V–5.5V supply, not rated for ±15V operation | Designed for low-voltage portable systems; incompatible with ±15V industrial signal chains | Select TS5A23157PWR only for battery-powered or 3.3V/5V embedded systems where ultra-low on-resistance is critical. |
Compared with ADG408BNZ and TS5A23157PWR, the MAX369CPN uniquely supports true ±15V analog signal routing without external biasing, making it irreplaceable in legacy test and industrial systems requiring full-rail bipolar operation and dual SPDT topology.
Availability
MAX369CPN is available at Aetrix Electronics and suitable for automated test equipment, industrial process control, and benchtop laboratory instruments requiring stable component supply and long-term obsolescence management.
Supply support for MAX369CPN 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 MAX369CPN belongs to Maxim's high-voltage analog switch product line, engineered specifically for ±15V signal routing in legacy test and measurement systems where rail-to-rail fidelity and robustness are mandatory.
FAQ
What is the maximum signal voltage range supported by the MAX369CPN?
The MAX369CPN supports analog signal voltages from V− to V+, i.e., ±15V, enabling full-rail operation without clipping. This allows direct connection to ±15V op-amp stages and legacy industrial sensors. The MAX369CPN maintains specified on-resistance and off-isolation across this entire range, unlike many low-voltage switches that degrade near supply rails.
Does the MAX369CPN require external level-shifting for TTL control inputs?
No, the MAX369CPN accepts standard 0V/5V TTL and CMOS logic levels directly on its S1, S1̅, S2, and S2̅ pins. Its control inputs are designed for compatibility with microcontrollers and logic families operating at 5V, eliminating the need for external translators. This behavior is verified in the MAX369CPN datasheet's electrical characteristics table.
What is the switching sequence of the MAX369CPN during state transitions?
The MAX369CPN implements break-before-make switching: the previously selected path disconnects fully before the new path connects. This prevents momentary shorting between inputs, a critical requirement in fault-sensitive applications like redundant sensor selection. The MAX369CPN's timing diagram confirms this behavior with guaranteed minimum break time.
Can the MAX369CPN be used in AC-coupled signal paths?
Yes, the MAX369CPN supports AC-coupled operation due to its symmetrical ±15V supply capability and low charge injection (0.5pC max). When used with coupling capacitors, it preserves signal integrity across audio and IF frequencies. However, DC-coupled paths benefit more directly from the MAX369CPN's rail-to-rail analog performance and low offset drift.
Is the MAX369CPN still in active production by Maxim/Analog Devices?
Yes, the MAX369CPN remains an active, non-obsolete part per Analog Devices' current product status database. It is supported with full datasheet documentation, application notes, and long-term availability commitments for industrial and test equipment customers relying on the MAX369CPN.
MAX369CPN 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 18-PDIP
MAX369CPN FAQ
1.How can I place an order for MAX369CPN through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX369CPN 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 MAX369CPN reliable?
The price and inventory of MAX369CPN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX369CPN is usually 5 days.
3.What payment methods are accepted for MAX369CPN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX369CPN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX369CPN?
MAX369CPN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX369CPN 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 MAX369CPN?
For technical support, including MAX369CPN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX369CPN requirements.
6.How does Aetrix verify that MAX369CPN is sourced from the original manufacturer or authorized distributors?
All MAX369CPN 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 MAX369CPN meets industry standards.
7.What is the process for return or replacement of MAX369CPN?
All MAX369CPN units undergo pre-shipment inspection (PSI). If there is an issue with MAX369CPN, 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 MAX369CPN part is unused and in its original packaging.
Return procedure for MAX369CPN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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