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Analog Devices Inc./Maxim Integrated MAX4581CEE+
- Part No.:
- MAX4581CEE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX4581CEE+.pdf
- Description:
- IC MUX 8:1 80OHM 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:414
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Product details
Overview
MAX4581CEE+ from Maxim Integrated is an 8-channel CMOS analog multiplexer configured for rail-to-rail signal switching in low-voltage systems. It operates with ±2V to ±6V dual supplies or +2V to +12V single supply, features 80Ω on-resistance at ±5V, 1nA off-leakage at +25°C, and TTL/CMOS-compatible logic inputs-enabling use in battery-powered data-acquisition front-ends.
For engineers reviewing the MAX4581CEE+ datasheet, MAX4581CEE+ pinout, MAX4581CEE+ application, or MAX4581CEE+ equivalent, key selection criteria include guaranteed on-resistance matching across channels, low charge injection (≤5pC), high off-isolation (–74dB @ 50Ω), and compatibility with industry-standard 74HC4051 pinout for drop-in replacement in legacy designs.
Technical Context
The MAX4581CEE+ implements a single 8:1 analog multiplexer using complementary MOSFET switch pairs per channel, driven by decoded A/B/C address inputs and an active-low ENABLE control. Its internal logic-level translators isolate digital control signals from analog supply domains (VCC/VEE), enabling operation across wide supply ranges without level-shifting circuitry.
Switching performance is characterized by break-before-make timing (4–20ns), address transition time ≤200ns (at ±5V), and low distortion (<0.02% THD into 600Ω). Off-isolation and crosstalk are specified at 1MHz (–74dB and –96dB respectively), confirming suitability for audio and precision measurement signal routing where channel separation is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Configuration | 8-channel single-pole, eight-throw (8:1) analog multiplexer |
| Supply Range | ±2V to ±6V dual or +2V to +12V single - supports battery, automotive, and industrial rails |
| On-Resistance | 80Ω max at ±5V - ensures minimal signal attenuation and gain error in sensor interfaces |
| Off-Leakage Current | 1nA max at +25°C - preserves accuracy in high-impedance sampling circuits |
| Logic Compatibility | 0.8V to 2.4V thresholds - interoperable with TTL and CMOS logic at +5V or ±5V supplies |
| Off-Isolation | –74dB at 1MHz (50Ω) - suppresses crosstalk between inactive channels in multi-signal systems |
| Charge Injection | ≤5pC - limits voltage glitch on sampled-hold nodes during channel switching |
Pinout & Package
MAX4581CEE+ is supplied in a 16-pin QSOP package (3.9mm × 4.9mm, 0.635mm pitch) with exposed pad not present. Pin functions follow industry-standard 74HC4051 layout for mechanical and functional compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | X0–X7 analog inputs | Eight bidirectional analog signal terminals; interchangeable as inputs or outputs |
| 9 | ENABLE | Active-low global enable - disables all switches when high (logic '1') |
| 10, 11, 12 | A, B, C address inputs | 3-bit binary select for channel routing (X0–X7 → X) |
| 13 | X | Common analog output terminal - connects selected Xn input |
| 14 | GND | Digital ground reference - no analog signal reference; analog range bounded by VCC/VEE |
| 15 | VEE | Negative analog supply - tied to GND for single-supply operation |
| 16 | VCC | Positive analog/digital supply - powers internal logic and switch drivers |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full VEE to VCC swing - eliminates need for external biasing in AC-coupled or bipolar-signal paths |
| Guaranteed on-resistance match | ΔRON ≤ 10Ω (±5V) - ensures consistent gain and offset across channels in multi-channel ADC front-ends |
| Low distortion & crosstalk | THD < 0.02% (600Ω), crosstalk < –96dB - preserves fidelity in audio and instrumentation signal chains |
| Break-before-make switching | tBBM = 4–20ns - prevents momentary shorting between channels during address transitions |
| ESD robustness | >2000V HBM - enhances reliability in handling-sensitive production and field environments |
Applications
| Audio Signal Routing | Portable Data Acquisition |
|---|---|
Use Scenario: Switching between multiple microphone or line-level inputs in a portable mixer or voice recorder. IC Role / Device Role / Timing Role: 8:1 analog multiplexer selecting one of eight audio sources to a common amplifier/ADC path. Use Value: Low THD (<0.02%) and high off-isolation (–74dB) prevent audible crosstalk and preserve dynamic range across inputs. | Use Scenario: Multiplexing sensor outputs (thermocouples, RTDs, strain gauges) into a single precision ADC in handheld test equipment. IC Role / Device Role / Timing Role: Low-leakage (1nA off-current), rail-to-rail analog switch enabling direct connection to high-impedance sensors without buffering. Use Value: Minimal on-resistance flatness and matching reduce channel-to-channel gain error in calibrated measurement systems. |
| Automotive Body Control | Communications Interface Selection |
Use Scenario: Routing diagnostic signals (CAN, LIN, analog sensor voltages) to a central microcontroller in vehicle body modules. IC Role / Device Role / Timing Role: Analog multiplexer operating over –40°C to +85°C with AEC-Q100–qualified variants; MAX4581CEE+ meets commercial temp range for non-safety subsystems. Use Value: Dual-supply capability (±2V to ±6V) supports legacy 12V automotive systems with isolated analog domains. | Use Scenario: Selecting between multiple communication transceivers (RS-232, RS-485, USB UART) sharing a single MCU UART interface. IC Role / Device Role / Timing Role: Bidirectional analog switch enabling flexible hardware configuration without PCB redesign. Use Value: TTL/CMOS-compatible logic thresholds ensure reliable control from standard MCU GPIOs across supply voltages (2V–12V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4051ACPE+ | Same 8:1 architecture, but higher on-resistance (100Ω @ ±5V) and wider temp range (–40°C to +85°C) | Higher RON increases gain error in precision ADC front-ends; better suited for general-purpose switching | Select MAX4051ACPE+ when extended temperature range is required and 20Ω higher RON is acceptable |
| ADG1408BRUZ | Lower on-resistance (4.7Ω typical), but requires ≥±4.5V dual supply or ≥9V single supply; higher supply current | Superior RON benefits high-speed, low-distortion applications; incompatible with sub-9V single-supply systems | Choose ADG1408BRUZ only if system supports ≥9V supply and demands sub-5Ω RON for RF or high-fidelity audio |
Compared with MAX4581CEE+, MAX4051ACPE+ offers broader temperature support but higher on-resistance, while ADG1408BRUZ delivers significantly lower RON at the cost of stricter supply requirements-making MAX4581CEE+ optimal for low-voltage, low-leakage, cost-sensitive multiplexing where 80Ω RON is sufficient.
Availability
MAX4581CEE+ is available at Aetrix Electronics and suitable for battery-operated equipment, audio/video signal routing, and low-voltage data-acquisition systems requiring stable component supply and RoHS-compliant packaging.
Supply support for MAX4581CEE+ 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, automotive, and communications markets.
The MAX4581 series belongs to Maxim's low-voltage analog switch/multiplexer product line, engineered for rail-to-rail signal integrity, ultra-low leakage, and seamless integration into space-constrained, battery-powered systems.
FAQ
What is the maximum analog signal range supported by the MAX4581CEE+?
The MAX4581CEE+ supports rail-to-rail analog signals from VEE to VCC. With ±5V supplies, this equals –5V to +5V; with +5V single supply (VEE = GND), it supports 0V to +5V. The device guarantees operation across ±2V to ±6V dual or +2V to +12V single supply configurations, making MAX4581CEE+ suitable for both bipolar and unipolar signal conditioning paths.
Does the MAX4581CEE+ require external level-shifting when interfaced with a 3.3V microcontroller?
No. The MAX4581CEE+ has TTL/CMOS-compatible logic thresholds (0.8V to 2.4V) that accept 3.3V logic levels directly. When powered from +5V or ±5V supplies, its address (A/B/C) and ENABLE inputs operate reliably with 3.3V GPIO outputs-no level shifter needed. This simplifies design and reduces BOM count for MAX4581CEE+ integration in mixed-voltage systems.
Can the MAX4581CEE+ be used in a single-supply 3.3V system?
Yes. The MAX4581CEE+ supports single-supply operation from +2V to +12V. At +3.3V (VEE = GND), it delivers ~190Ω typical on-resistance and maintains 1nA off-leakage at +25°C. While RON increases versus ±5V operation, the device remains fully functional for moderate-precision applications like sensor multiplexing or audio switching in 3.3V embedded systems using MAX4581CEE+.
Is the MAX4581CEE+ pin-compatible with the 74HC4051?
Yes. The MAX4581CEE+ is explicitly designed as a pin- and function-compatible upgrade to the industry-standard 74HC4051. Its pinout (X0–X7, A/B/C, ENABLE, X, VCC, VEE, GND) matches the 74HC4051 exactly in 16-pin packages including QSOP, allowing direct replacement without PCB modification-retaining legacy layout while improving leakage, RON, and supply flexibility in MAX4581CEE+.
What is the thermal performance of the MAX4581CEE+ in QSOP package?
The MAX4581CEE+ in 16-pin QSOP has a thermal resistance θJA of 130°C/W. At maximum continuous power dissipation (667mW at +70°C ambient), junction temperature rise is ~87°C-well within the 125°C absolute max rating. Derating begins above +70°C at 8.3mW/°C, ensuring reliable operation in commercial-temperature applications using MAX4581CEE+ without forced cooling.
MAX4581CEE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- 8:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 80Ohm
- Channel-to-Channel Matching (ΔRon):
- 1Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- ±2V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 200ns, 100ns
- -3db Bandwidth:
- -
- Charge Injection:
- 0.5pC
- Channel Capacitance (CS(off), CD(off)):
- 4pF, 18pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -78dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QSOP
MAX4581CEE+ FAQ
1.How can I place an order for MAX4581CEE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4581CEE+ 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 MAX4581CEE+ reliable?
The price and inventory of MAX4581CEE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4581CEE+ is usually 5 days.
3.What payment methods are accepted for MAX4581CEE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4581CEE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4581CEE+?
MAX4581CEE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4581CEE+ 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 MAX4581CEE+?
For technical support, including MAX4581CEE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4581CEE+ requirements.
6.How does Aetrix verify that MAX4581CEE+ is sourced from the original manufacturer or authorized distributors?
All MAX4581CEE+ 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 MAX4581CEE+ meets industry standards.
7.What is the process for return or replacement of MAX4581CEE+?
All MAX4581CEE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4581CEE+, 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 MAX4581CEE+ part is unused and in its original packaging.
Return procedure for MAX4581CEE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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