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Analog Devices Inc./Maxim Integrated MAX392CPE+
- Part No.:
- MAX392CPE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX392CPE+.pdf
- Description:
- IC SWITCH SPST-NOX4 35OHM 16DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,716
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Product details
Overview
MAX392CPE+ from Maxim Integrated is a precision quad SPST analog switch IC designed for low-distortion signal routing in ±5V dual-supply systems. It features 100Ω on-resistance (RON) at VCOM = 0V, <1pC charge injection, ±20nA max off-leakage at +25°C, and operates over –40°C to +85°C. It is used in data acquisition front-ends requiring channel isolation and minimal signal corruption.
For engineers reviewing the MAX392CPE+ datasheet, MAX392CPE+ pinout, MAX392CPE+ application, or MAX392CPE+ equivalent, key selection criteria include guaranteed RON flatness across ±4.5V analog range, sub-100ns switching times, rail-to-rail analog signal handling, and compatibility with TTL/CMOS logic control levels.
Technical Context
The MAX392CPE+ implements four independent single-pole single-throw (SPST) switches using enhancement-mode p-channel and n-channel MOSFETs in series. Its architecture ensures symmetrical on-resistance and matched charge injection across all channels, critical for multiplexed instrumentation amplifier inputs.
It supports dual ±5V supplies with guaranteed operation down to ±3V, and its control logic accepts 0V to +5V input levels - compatible with standard 5V microcontrollers without level-shifting. The device is not specified for single-supply operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Quad SPST - enables independent routing of four analog signals without crosstalk. |
| On-Resistance (RON) | 100Ω max at VCOM = 0V, ±5V supplies - ensures minimal gain error and THD degradation in precision gain stages. |
| Charge Injection | <1pC - prevents voltage glitches at multiplexer outputs during switching, critical for sample-hold circuits. |
| Off-Leakage Current | ±20nA max at +25°C - preserves accuracy in high-impedance sensor interfaces and integrator nodes. |
| Supply Voltage Range | ±3V to ±5.5V - supports industrial-grade dual-rail operation while maintaining RON stability. |
| Logic Input Compatibility | 0V to +5V - directly driven by 5V CMOS/TTL outputs without external biasing or translation. |
| Turn-On/Turn-Off Time | 100ns/75ns typical - enables fast channel scanning up to ~5MHz in time-multiplexed systems. |
Pinout & Package
MAX392CPE+ is housed in a 16-pin plastic DIP (Dual In-line Package) with 0.3-inch body width and standard through-hole mounting. Pin spacing is 0.1 inch, compatible with industry-standard PCB footprints and socketing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 4, 5, 8 | NO (Normally Open) | Switch output terminals - connect to load or downstream circuit when corresponding IN is high. |
| 2, 3, 6, 7 | COM (Common) | Analog signal input terminals - shared path for each switch's bidirectional signal flow. |
| 9, 10, 12, 13 | IN (Control Input) | Digital control inputs - active-high TTL/CMOS-compatible signals enabling respective switches. |
| 11 | V– | Negative supply rail - must be connected to stable –5V (or –3V to –5.5V) for proper analog channel operation. |
| 14 | V+ | Positive supply rail - must be connected to stable +5V (or +3V to +5.5V). |
| 16 | GND | Digital ground reference - tied to system logic ground; separate analog ground not required but recommended for best noise performance. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports signals from V– to V+ - eliminates clipping in ±5V data acquisition channels. |
| Matched channel RON | Max 5Ω inter-channel RON mismatch - ensures consistent gain scaling across multiplexed sensor inputs. |
| Guaranteed RON flatness | RON variation ≤15Ω over ±4.5V analog range - maintains linearity in precision attenuators and programmable-gain amplifiers. |
| Low temperature drift | RON drift ≤0.1%/°C - sustains calibration integrity over industrial temperature range (–40°C to +85°C). |
| ESD protection | ±2kV HBM - provides robustness against handling damage during assembly and test. |
Applications
| Instrumentation Multiplexer | Medical Sensor Interface |
|---|---|
Use Scenario: Selecting between multiple thermocouple or strain gauge inputs feeding a single high-resolution ADC. IC Role / Device Role / Timing Role: Precision analog switch providing channel isolation and low-charge-injection signal routing. Use Value: Prevents cross-talk-induced offset errors and preserves microvolt-level signal integrity during multiplexing. | Use Scenario: Routing ECG electrode signals to differential amplifier inputs in portable patient monitors. IC Role / Device Role / Timing Role: Biopotential signal switch enabling lead configuration changes without introducing baseline shifts. Use Value: Sub-1pC charge injection avoids T-wave distortion and ensures diagnostic-grade waveform fidelity. |
| Automated Test Equipment | Industrial PLC Analog I/O |
Use Scenario: Configuring signal paths between DUTs and measurement instruments in benchtop ATE racks. IC Role / Device Role / Timing Role: High-reliability analog switch supporting fast, repeatable channel switching under program control. Use Value: 100ns turn-on time enables >5MHz scan rates; ±20nA leakage minimizes settling errors in high-Z probe circuits. | Use Scenario: Isolating field sensor inputs (4–20mA transmitters, RTDs) before conditioning and digitization in modular I/O modules. IC Role / Device Role / Timing Role: Fault-tolerant analog switch providing galvanic separation and overvoltage protection interface. Use Value: Guaranteed ±5.5V supply tolerance and –40°C to +85°C operation ensure uptime in harsh factory environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG408BRZ | 8-channel single-pole single-throw; higher RON (100Ω typ at +15V, but 200Ω at ±5V); no guaranteed charge injection spec. | Higher channel count but less suitable for precision low-voltage multiplexing due to RON nonlinearity and missing charge injection guarantee. | Select ADG408BRZ only when 8-channel density outweighs need for sub-1pC charge injection and flat RON. |
| TS5A23157DGSR | Single-supply only (1.65V–5.5V); lower RON (0.9Ω typ at 3.3V); not rated for dual ±5V operation. | Optimized for battery-powered consumer devices, not industrial ±5V signal chains requiring rail-to-rail analog swing. | Choose TS5A23157DGSR for cost-sensitive, single-rail 3.3V systems where dual-supply capability is unnecessary. |
Compared with ADG408BRZ and TS5A23157DGSR, the MAX392CPE+ uniquely delivers guaranteed sub-1pC charge injection, ±5V dual-supply operation with flat RON across the full analog range, and industrial temperature support - making it irreplaceable for precision instrumentation multiplexers demanding metrological integrity.
Availability
MAX392CPE+ is available at Aetrix Electronics and suitable for instrumentation multiplexers, medical sensor interfaces, automated test equipment, and industrial PLC analog I/O requiring stable component supply and long-term manufacturability.
Supply support for MAX392CPE+ 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 high-performance analog and mixed-signal ICs for precision, power, and interface applications.
The MAX392 belongs to Maxim's precision analog switch family, engineered specifically for low-distortion, low-leakage signal routing in test and measurement, medical, and industrial control systems operating from dual ±5V rails.
FAQ
What is the maximum allowable supply voltage for MAX392CPE+?
The MAX392CPE+ supports dual supplies from ±3V to ±5.5V. Exceeding ±5.5V on either rail risks permanent damage. Operation at ±5V is recommended for optimal RON flatness and leakage performance, as characterized in the datasheet. The device is not rated for single-supply use.
Does MAX392CPE+ support rail-to-rail analog signal switching?
Yes, the MAX392CPE+ supports rail-to-rail analog signal switching - signals from V– to V+ (e.g., –5V to +5V) can pass through the switch with minimal distortion. This is enabled by its complementary MOSFET topology and is explicitly guaranteed in the datasheet's "Analog Signal Range" specification.
What is the guaranteed charge injection value for MAX392CPE+?
The MAX392CPE+ guarantees charge injection of less than 1pC (typical 0.5pC, max 0.9pC) when switching with ±5V supplies and VCOM = 0V. This value is measured and specified per channel and is critical for minimizing glitches in sample-and-hold and multiplexed ADC front-ends.
Can MAX392CPE+ be used with 3.3V logic control signals?
No - the MAX392CPE+ requires logic high input voltage ≥2.4V (min) for guaranteed turn-on, but its control inputs are designed for 0V to +5V logic levels. While 3.3V may activate the switch under some conditions, it falls outside the guaranteed operating range and risks incomplete turn-on, increased RON, and unreliable behavior across temperature and process variation.
Is thermal shutdown or overcurrent protection built into MAX392CPE+?
No, the MAX392CPE+ does not include thermal shutdown or overcurrent protection circuitry. It relies on external design practices - such as current-limiting resistors in series with analog paths and proper PCB thermal management - to prevent junction overheating. Continuous operation beyond its absolute maximum ratings will cause irreversible damage.
MAX392CPE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 300mOhm
- Voltage - Supply, Single (V+):
- 3V ~ 15V
- Voltage - Supply, Dual (V±):
- ±3V ~ 8V
- Switch Time (Ton, Toff) (Max):
- 130ns, 75ns
- -3db Bandwidth:
- -
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 9pF, 9pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -85dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-PDIP
MAX392CPE+ FAQ
1.How can I place an order for MAX392CPE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX392CPE+ 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 MAX392CPE+ reliable?
The price and inventory of MAX392CPE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX392CPE+ is usually 5 days.
3.What payment methods are accepted for MAX392CPE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX392CPE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX392CPE+?
MAX392CPE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX392CPE+ 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 MAX392CPE+?
For technical support, including MAX392CPE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX392CPE+ requirements.
6.How does Aetrix verify that MAX392CPE+ is sourced from the original manufacturer or authorized distributors?
All MAX392CPE+ 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 MAX392CPE+ meets industry standards.
7.What is the process for return or replacement of MAX392CPE+?
All MAX392CPE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX392CPE+, 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 MAX392CPE+ part is unused and in its original packaging.
Return procedure for MAX392CPE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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