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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:3,734
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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 housed in a 16-pin plastic DIP package. It 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 rail-to-rail analog signal handling, low charge injection (0.5pC), guaranteed monotonic switching, and compatibility with ±15V op-amp signal chains in automated test equipment.
Technical Context
The MAX369CPN+ integrates two independent SPDT switches sharing common analog I/O paths and separate digital control inputs. Each switch supports bidirectional signal flow with break-before-make switching action and exhibits matched on-resistance across channels (ΔRON < 5Ω).
It uses a standard CMOS process with laser-trimmed resistor networks to achieve tight RON matching and low temperature coefficient (300ppm/°C). Control logic is TTL/CMOS-compatible with 0.8V/2.4V thresholds and 4.5µA max input current.
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 Range | ±15V - supports full-swing operation with legacy industrial op-amps and DACs |
| On-Resistance | 100Ω max - ensures minimal gain error and channel-to-channel crosstalk in multiplexed sensor interfaces |
| Off-Isolation | −80dB at 1MHz - suppresses signal leakage between unselected paths in high-frequency data acquisition |
| Charge Injection | 0.5pC max - reduces glitch-induced settling errors in precision sample-and-hold circuits |
| Switching Time | 25ns typ - allows sub-microsecond channel reconfiguration in real-time test sequencing |
Pinout & Package
MAX369CPN+ is supplied in a 16-pin plastic DIP (dual in-line package) with 0.3-inch body width and 0.1-inch pin pitch. Pin 1 is marked with a notch or dot; pins are numbered counter-clockwise from top-left corner when viewed from top.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4 | NO1, NC1, COM1, NO2 | Switch 1 normally open, normally closed, common, and Switch 2 normally open terminals - define first SPDT path |
| 5, 6, 7, 8 | NC2, COM2, IN1, IN2 | Switch 2 normally closed, common, and digital control inputs - enable independent actuation of both switches |
| 9–12 | V−, GND, V+, EN | Negative supply, ground, positive supply, and global enable - EN must be high for any switch to conduct |
| 13–16 | COM3, NO3, NC3, COM4 | Second pair of SPDT common and throw terminals - completes dual-switch topology with shared supply rails |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V− to V+ without clipping - essential for ±10V sensor front-ends |
| Guaranteed monotonic switching | No output glitches during transition - prevents transient errors in calibrated measurement systems |
| Low temperature coefficient of RON | 300ppm/°C - maintains channel matching across 0°C to +70°C operating range |
| TTL/CMOS-compatible control inputs | 0.8V/2.4V logic thresholds - simplifies interface with microcontrollers and FPGAs without level-shifting |
Applications
| Automated Test Equipment (ATE) | Precision Data Acquisition |
|---|---|
Use Scenario: Channel scanning across multiple sensors in semiconductor wafer probers. IC Role / Device Role / Timing Role: Dual SPDT analog switch routing analog outputs from 16 sensors to two ADC inputs. Use Value: 100Ω RON and −80dB isolation preserve SNR across 16:2 multiplexing without calibration drift. | Use Scenario: Signal conditioning stage in medical ECG front-end modules. IC Role / Device Role / Timing Role: Selecting between lead-off detection and active measurement paths under microcontroller control. Use Value: 0.5pC charge injection prevents baseline shift during path switching in low-frequency biopotential monitoring. |
| Industrial Process Control | Calibration Reference Switching |
Use Scenario: Multiplexing thermocouple and RTD inputs into shared cold-junction compensation circuitry. IC Role / Device Role / Timing Role: Isolating sensor types before signal conditioning to avoid cross-contamination of offset and gain errors. Use Value: Matched RON (ΔRON < 5Ω) ensures consistent gain scaling across all sensor channels. | Use Scenario: Switching between internal precision voltage references and external calibration standards in metrology-grade DMMs. IC Role / Device Role / Timing Role: Providing break-before-make isolation to prevent reference shorting during calibration mode transitions. Use Value: 25ns switching time enables fast reference cycling without interrupting measurement throughput. |
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; 75Ω RON, ±15V compatible but no guaranteed monotonicity | Requires redesign for dual-path routing; lacks break-before-make guarantee | Use only if single-path multiplexing suffices and monotonicity is not required |
| TS5A23159DRCR | Single SPDT, 0.7Ω RON, 5V-only supply, 15ns switching time | Not suitable for ±15V signal chains; requires level-shifting for industrial control interfaces | Select only for low-voltage, high-speed consumer applications where rail-to-rail analog swing is unnecessary |
Compared with ADG408BRZ and TS5A23159DRCR, the MAX369CPN+ uniquely delivers dual SPDT topology with guaranteed monotonic switching, ±15V operation, and low charge injection-making it irreplaceable in precision industrial and test equipment requiring simultaneous, glitch-free analog path control.
Availability
MAX369CPN+ 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 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, medical, and communications applications.
The MAX369CPN+ belongs to Maxim's high-voltage analog switch product line, engineered specifically for ±15V signal routing in metrology-grade instrumentation and factory automation systems.
FAQ
What is the maximum signal voltage range supported by the MAX369CPN+?
The MAX369CPN+ supports analog signals from V− to V+, enabling full rail-to-rail operation up to ±15V. This allows direct interfacing with legacy industrial op-amps and DACs without attenuation or level-shifting. The device maintains specified on-resistance and off-isolation across this entire range. Signal integrity is preserved due to low charge injection (0.5pC) and guaranteed monotonic switching behavior in the MAX369CPN+.
Does the MAX369CPN+ require external pull-up resistors on its digital control inputs?
No, the MAX369CPN+ features TTL/CMOS-compatible digital inputs with 0.8V low and 2.4V high thresholds, and draws less than 4.5µA input current. It operates reliably with standard microcontroller GPIO outputs without external biasing. This simplifies PCB layout and reduces BOM count in systems using the MAX369CPN+ for sensor multiplexing or signal routing.
Is the MAX369CPN+ pin-compatible with earlier MAX369 variants like MAX369CPE?
Yes, the MAX369CPN+ shares identical pinout, electrical specifications, and thermal characteristics with the MAX369CPE, differing only in package material (plastic DIP vs. ceramic DIP). Both are drop-in replacements in existing designs. No layout changes are needed when upgrading from MAX369CPE to MAX369CPN+, and the MAX369CPN+ retains full functional equivalence.
What is the typical charge injection value of the MAX369CPN+ and why does it matter?
The MAX369CPN+ specifies a maximum charge injection of 0.5pC. This low value minimizes voltage glitches on sampled nodes during switching, which is critical in precision sample-and-hold circuits and high-resolution ADC front-ends. In applications such as medical ECG monitoring or calibration reference switching, excessive charge injection would cause baseline shifts or measurement errors - a key reason the MAX369CPN+ is selected for metrology-grade systems.
Can the MAX369CPN+ operate with asymmetric supplies, such as +12V and −5V?
Yes, the MAX369CPN+ supports asymmetric dual supplies within its total supply voltage limit of 30V (|V+ − V−| ≤ 30V). Operation at +12V and −5V (17V total) is fully specified and maintains all key parameters including on-resistance, off-isolation, and switching time. This flexibility allows integration into mixed-supply systems without compromising performance of 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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