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Analog Devices Inc./Maxim Integrated MAX4544CPA
- Part No.:
- MAX4544CPA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
MAX4544CPA.pdf
- Description:
- IC SWITCH SPDT X 1 60OHM 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,910
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Product details
Overview
The MAX4544CPA from Maxim Integrated is a single-pole/double-throw (SPDT) precision analog switch operating from a single +2.7V to +12V supply, delivering 60Ω max on-resistance, 6Ω max RON flatness, and 5pC max charge injection - ideal for signal routing in +5V DAC/ADC interfaces and battery-powered audio/video switching.
For engineers reviewing the MAX4544CPA datasheet, MAX4544CPA pinout, MAX4544CPA application, or MAX4544CPA equivalent, key selection criteria include guaranteed break-before-make timing (2ns–10ns), TTL/CMOS logic compatibility, low leakage (<10nA at +85°C), and SOT23-6 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4544CPA implements a CMOS transmission-gate architecture with rail-to-rail analog signal handling (0V to V+), enabling bidirectional signal flow across COM, NO, and NC terminals. Its control logic accepts standard TTL/CMOS input levels and guarantees break-before-make operation to prevent signal shorting during state transitions.
Designed for single-supply systems, it features internal ESD protection (>2000V per Method 3015.7), operates down to +2.7V, and maintains stable RON matching (2Ω max between channels) and flatness over temperature and signal voltage range - critical for precision sample-and-hold and sensor multiplexing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2.7V to +12V single supply - supports direct integration into 3.3V, 5V, and 12V systems without level-shifting. |
| RON (max) | 60Ω at +5V - ensures minimal signal attenuation and distortion in audio, video, and sensor signal paths. |
| RON Flatness (max) | 6Ω - maintains consistent gain and linearity across full analog input range (0V to V+). |
| Charge Injection (max) | 5pC - limits voltage glitch on sampled nodes, essential for high-resolution ADC front-ends. |
| tON/tOFF | 35ns/25ns typical at +5V - enables fast channel switching in real-time signal routing and test equipment. |
| Leakage Current | 10nA max at +85°C - preserves accuracy in high-impedance sensor and battery-monitoring circuits. |
| ESD Protection | >2000V per Method 3015.7 - provides robust handling during board assembly and field operation. |
Pinout & Package
SOT23-6 package (body dimensions: 2.90mm × 2.90mm × 1.15mm, lead pitch 0.95mm), with exposed pad not connected internally - requires thermal pad connection to GND or V+ per layout guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO) | Normally Open switch terminal | Connects to COM when IN = high; used as active signal path in SPDT configuration. |
| 2 (COM) | Common analog port | Bidirectional I/O node - routes signal to NO or NC depending on logic state of IN. |
| 3 (NC) | Normally Closed switch terminal | Connects to COM when IN = low; complements NO for complementary signal routing. |
| 4 (GND) | Ground reference | Analog and digital ground return; must be low-impedance for leakage and noise control. |
| 5 (V+) | Positive supply input | Single power rail for analog and logic sections; supports up to +12V with absolute max rating of +13V. |
| 6 (IN) | Digital control input | TTL/CMOS-compatible logic input; high = connect COM to NO, low = connect COM to NC. |
Key Features
| Feature | Design Value |
|---|---|
| Break-before-make switching | Guaranteed 2–10ns delay prevents momentary shorting between NO and NC paths during transition. |
| Rail-to-rail analog signal range | Supports 0V to V+ signals without clipping - enables full-scale operation in unipolar data acquisition systems. |
| Low power consumption | <5µW quiescent - extends battery life in portable medical, test, and communications equipment. |
| Pin compatibility | Direct replacement for MAX323/MAX324/MAX325 in SPDT configurations - simplifies legacy design upgrades. |
| High off-isolation | -76dB at 1MHz - suppresses crosstalk between active and inactive signal paths in multi-channel systems. |
Applications
| Audio Signal Routing | Portable Instrument Front-End |
|---|---|
Use Scenario: Switching between microphone inputs and line-level outputs in handheld audio analyzers. IC Role / Device Role / Timing Role: SPDT analog switch controlling signal path selection under microcontroller GPIO control. Use Value: 35ns turn-on time and 6Ω RON flatness preserve wideband audio fidelity and minimize THD. | Use Scenario: Multiplexing sensor outputs (thermocouple, RTD, strain gauge) into a shared ADC channel. IC Role / Device Role / Timing Role: Precision analog switch isolating high-impedance sensors during sampling to prevent loading errors. Use Value: 10nA max leakage at +85°C and 5pC charge injection ensure sub-LSB error in 16-bit+ measurement systems. |
| Medical Ultrasound Beamforming | Industrial PLC I/O Conditioning |
Use Scenario: Routing echo-return signals from transducer arrays to receive amplifiers in portable ultrasound units. IC Role / Device Role / Timing Role: Low-capacitance (8pF off-capacitance), low-RON SPDT switch enabling high-frequency pulse integrity. Use Value: -90dB crosstalk at 1MHz and 60Ω RON maintain SNR and dynamic range in MHz-range echo processing. | Use Scenario: Isolating analog current-loop (4–20mA) inputs from controller ADCs in modular industrial I/O modules. IC Role / Device Role / Timing Role: Fault-tolerant analog switch providing galvanic separation and overvoltage protection via external diodes. Use Value: >2000V ESD rating and +13V absolute max V+ support robust operation in electrically noisy factory environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4544EUT-T | Same electrical specs; -40°C to +85°C temp range vs. 0°C to +70°C; SOT23-6 package with top mark AAAM. | Required for extended-temperature industrial or automotive environments where CP grade is insufficient. | Select when operating ambient exceeds +70°C or storage below 0°C is required. |
| ADG1419BRMZ | Higher RON (8.5Ω typ), wider supply (±15V dual or +12V single), no guaranteed break-before-make. | Better suited for high-voltage industrial signal conditioning but lacks B-B-M for critical sequencing. | Choose only if higher voltage swing or lower RON at ±15V is needed; not drop-in for MAX4544CPA's B-B-M requirement. |
Compared with MAX4544EUT-T, the MAX4544CPA offers lower cost and commercial-temp suitability but lacks extended temperature coverage; versus ADG1419BRMZ, it delivers guaranteed break-before-make and lower leakage at +85°C, making it preferable for battery-powered precision multiplexing where timing integrity and low power are primary.
Availability
MAX4544CPA is available at Aetrix Electronics and suitable for battery-operated systems, audio/video switching, and +3V/+5V DAC/ADC interface applications requiring stable component supply and long-term sourcing continuity.
Supply support for MAX4544CPA 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, communications, and consumer applications.
The MAX4541–MAX4544 family was engineered specifically for low-voltage, single-supply analog signal routing - emphasizing low RON, low charge injection, and guaranteed break-before-make in compact packages for portable and space-constrained systems.
FAQ
What is the maximum supply voltage rating for the MAX4544CPA?
The MAX4544CPA has an absolute maximum supply voltage (V+) rating of +13V, with recommended operating range from +2.7V to +12V. Exceeding +13V may cause permanent damage. The device is fully specified at +5V and +3.3V supplies, and its on-resistance degrades only marginally up to +12V, making it suitable for wide-input industrial rails.
Does the MAX4544CPA support rail-to-rail analog signal switching?
Yes, the MAX4544CPA supports rail-to-rail analog signal switching from 0V to V+, with minimal RON variation across that range. At +5V supply, RON flatness is guaranteed ≤6Ω, ensuring consistent performance for unipolar sensor signals, audio waveforms, and DAC outputs without clipping or gain error.
Is the MAX4544CPA pin-compatible with other devices in the MAX454x family?
No - the MAX4544CPA uses a 6-pin SOT23-6 package, while MAX4541–MAX4543 variants use 8-pin packages (SOT23-8, µMAX, SO, DIP). Pin compatibility exists only within same-package variants (e.g., MAX4544EUT-T shares identical SOT23-6 pinout), not across the broader MAX454x family.
What is the guaranteed break-before-make time for the MAX4544CPA?
The MAX4544CPA guarantees a break-before-make time (tD) of 2ns minimum to 10ns maximum under RL = 300Ω, CL = 35pF, and TA = +25°C. This specification ensures no overlap between NO and NC conduction, preventing signal shorting - a critical feature confirmed in the datasheet for MAX4544 and MAX4543 only.
Can the MAX4544CPA operate from a +3.3V supply?
Yes, the MAX4544CPA is fully operational from +3.3V (within its +2.7V to +12V range). At +3.3V, typical on-resistance rises to ~125Ω, tON/tOFF increase to 80ns/50ns, and leakage remains <10nA at +85°C - all within datasheet limits, supporting low-power IoT and portable designs.
MAX4544CPA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 60Ohm
- Channel-to-Channel Matching (ΔRon):
- 800mOhm
- Voltage - Supply, Single (V+):
- 2.7V ~ 12V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 100ns, 75ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -90dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
MAX4544CPA FAQ
1.How can I place an order for MAX4544CPA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4544CPA 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 MAX4544CPA reliable?
The price and inventory of MAX4544CPA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4544CPA is usually 5 days.
3.What payment methods are accepted for MAX4544CPA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4544CPA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4544CPA?
MAX4544CPA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4544CPA 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 MAX4544CPA?
For technical support, including MAX4544CPA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4544CPA requirements.
6.How does Aetrix verify that MAX4544CPA is sourced from the original manufacturer or authorized distributors?
All MAX4544CPA 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 MAX4544CPA meets industry standards.
7.What is the process for return or replacement of MAX4544CPA?
All MAX4544CPA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4544CPA, 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 MAX4544CPA part is unused and in its original packaging.
Return procedure for MAX4544CPA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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