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Analog Devices Inc./Maxim Integrated MAX4531EAP
- Part No.:
- MAX4531EAP
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MAX4531EAP.pdf
- Description:
- IC SWITCH SP4T X 2 75OHM 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,222
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Product details
Overview
The MAX4531EAP from Maxim Integrated is a dual 4-channel CMOS analog multiplexer configured for bidirectional rail-to-rail signal routing in industrial and test equipment. It operates from ±2V to ±6V dual supplies or +2V to +12V single supply, features 150Ω max on-resistance (±4.5V), 8Ω max channel matching, 1nA COM-off leakage at +25°C, and 150ns enable turn-on time - enabling precise low-distortion switching in data acquisition and audio-signal routing systems.
For engineers reviewing the MAX4531EAP datasheet, MAX4531EAP pinout, MAX4531EAP application, or MAX4531EAP equivalent, this device delivers verified dual-4-channel mux functionality with address latching, TTL/CMOS-compatible logic thresholds, break-before-make timing control, ESD-hardened design (>2kV), and SSOP-20 packaging suitable for space-constrained mixed-signal PCB layouts.
Technical Context
The MAX4531EAP implements two independent 4:1 analog multiplexers (COMA/NO0A–NO3A and COMB/NO0B–NO3B) with shared digital control: ADDA/ADDB address inputs, LE latch enable, and dual EN1/EN2 switch-enable inputs. Each mux section supports rail-to-rail analog signals up to ±6V or +12V, with complementary enable logic allowing independent or synchronized channel selection.
Its internal architecture uses CMOS transmission gates driven by level-translated logic, ensuring <1µW static power consumption and minimal charge injection (1.5pC typ). The device maintains tight on-resistance flatness (13Ω typ) over full analog signal range and exhibits -65dB off-isolation at 1MHz - critical for high-fidelity signal path integrity in ATE and avionics applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Configuration | Dual 4-channel analog multiplexer (two independent 4:1 muxes) |
| Supply Range | ±2V to ±6V dual or +2V to +12V single - supports wide-range battery and industrial rails |
| On-Resistance | 150Ω max at ±4.5V - ensures low insertion loss for precision signal routing |
| On-Resistance Matching | 8Ω max between channels - minimizes gain error in multi-channel measurement systems |
| Leakage Current | 1nA COM-off at +25°C - preserves accuracy in high-impedance sensor interfaces |
| Switching Speed | tON = 150ns, tOFF = 120ns at ±4.5V - enables fast channel scanning in real-time DAQ |
| ESD Protection | >2kV per Method 3015.7 - enhances reliability in handling-sensitive production environments |
Pinout & Package
MAX4531EAP is housed in a 20-pin SSOP (Shrink Small Outline Package) with 0.65mm lead pitch, optimized for high-density PCB layouts while maintaining thermal and mechanical robustness across -40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive analog/digital supply | Drives internal CMOS switches and logic; sets upper analog signal limit |
| V- | Negative analog supply | Drives analog switches; connect to GND for single-supply operation |
| GND | Digital ground reference | Reference for logic inputs and internal level translators |
| LE | Latch enable input | Freezes ADDA/ADDB address state; independent of EN1/EN2 |
| EN1, EN2 | Complementary enable inputs | Control activation of MUX A and MUX B sections respectively |
| ADDA, ADDB | Address select inputs | Binary-coded channel selection (00–11) for each 4:1 mux |
| COMA, COMB | Common terminals | Shared output/input nodes for respective 4:1 mux sections |
| NO0A–NO3A, NO0B–NO3B | Normally open switch terminals | Bidirectional analog signal paths; interchangeable as input or output |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail® signal handling | Supports analog signals from V- to V+ without clipping - essential for full-scale sensor and audio signals |
| Break-before-make timing | 4ns min interval prevents momentary shorting during channel transitions - avoids signal glitches in critical paths |
| TTL/CMOS logic compatibility | 0.8V/2.4V thresholds at +5V supply - interoperable with standard microcontroller GPIO and FPGA I/O |
| Address latching | LE input holds channel selection independently of address changes - enables stable mux state during bus arbitration |
| Low power consumption | <1µW typical quiescent power - extends battery life in portable test and monitoring equipment |
Applications
| Automated Test Equipment (ATE) | Data Acquisition Systems |
|---|---|
|
Use Scenario: Multiplexing multiple sensor inputs (thermocouples, strain gauges) into a single ADC channel under microcontroller control. IC Role / Device Role / Timing Role: Dual 4:1 analog mux providing synchronized, glitch-free channel selection with latched addressing for deterministic scan sequencing. Use Value: Enables 8-channel scanning using only 4 GPIOs (ADDA/ADDB/LE/EN1), reducing MCU pin count and firmware complexity while maintaining <1nA leakage-induced offset error. |
Use Scenario: Routing analog outputs from DACs to multiple actuator drivers in industrial PLC I/O modules. IC Role / Device Role / Timing Role: Bidirectional analog switch matrix supporting rail-to-rail ±5V control signals with matched on-resistance across channels. Use Value: Delivers ≤8Ω RON matching to minimize gain mismatch between channels, critical for closed-loop precision motion control calibration. |
| Avionics Signal Management | Professional Audio Routing |
|
Use Scenario: Selecting between redundant flight sensor signals (airspeed, altitude) prior to processing in safety-critical avionics units. IC Role / Device Role / Timing Role: Fault-tolerant analog mux with >2kV ESD protection and -40°C to +85°C extended temperature rating. Use Value: Guarantees reliable signal path continuity under harsh environmental stress, meeting DO-160 Section 22 lightning-induced transient requirements. |
Use Scenario: Switching line-level audio signals between mixing console inputs, effects loops, and monitor outputs. IC Role / Device Role / Timing Role: Low-distortion analog switch with 1.5pC charge injection and -92dB crosstalk at 1MHz. Use Value: Prevents audible pop/click artifacts during live switching and preserves stereo imaging integrity via channel-to-channel isolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4531EWP | Same electrical specs; SO-20 package (1.27mm pitch) vs. SSOP-20 (0.65mm pitch) | Preferred for through-hole prototyping or legacy SO footprint compatibility | Select when board layout requires larger pitch or manual soldering feasibility |
| ADG708BRUZ | 8-channel single mux (not dual 4-channel); 4Ω RON matching; 3.3V/5V-only supply | Lacks independent dual-enable control and ±6V dual-supply support | Choose only if system uses single 5V rail and requires 8:1 topology over dual 4:1 flexibility |
Compared with MAX4531EWP and ADG708BRUZ, the MAX4531EAP uniquely combines dual independent 4:1 mux sections, extended ±6V dual-supply operation, and SSOP-20 miniaturization - making it optimal for compact, high-reliability mixed-signal systems requiring flexible channel grouping and wide voltage compliance.
Availability
MAX4531EAP is available at Aetrix Electronics and suitable for automated test equipment, industrial data acquisition, avionics signal management, and professional audio routing requiring stable component supply across extended temperature ranges.
Supply support for MAX4531EAP 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 demanding industrial, automotive, and communications applications.
The MAX4530/MAX4531/MAX4532 family was engineered specifically for low-voltage, low-leakage analog signal routing in battery-powered and precision measurement systems - emphasizing rail-to-rail operation, latch-controlled addressing, and robust ESD tolerance.
FAQ
What is the operating temperature range of the MAX4531EAP?
The MAX4531EAP is rated for operation from -40°C to +85°C, making it suitable for industrial and automotive environments where extended thermal stability is required. This grade is confirmed in the official Maxim ordering information table, distinguishing it from the commercial-grade MAX4531CAP (0°C to +70°C). The SSOP-20 package maintains mechanical integrity across this full range without derating.
Does the MAX4531EAP support single-supply operation?
Yes, the MAX4531EAP supports single-supply operation from +2V to +12V with V- connected to GND. Electrical characteristics including 150Ω max on-resistance and 1nA leakage are specified under both single-supply (+5V) and dual-supply (±4.5V) conditions. Logic thresholds remain TTL/CMOS-compatible across the full supply range.
How does the MAX4531EAP differ from the MAX4530 and MAX4532 variants?
The MAX4531EAP implements two independent 4-channel multiplexers (COMA/NO0A–NO3A and COMB/NO0B–NO3B), unlike the MAX4530EAP (single 8-channel mux) or MAX4532EAP (three SPDT switches). All share pin compatibility, supply ranges, and logic interfaces, but differ in internal switch topology - confirmed by distinct pin configurations and truth tables in the datasheet.
What is the significance of the 'E' and 'A' in MAX4531EAP?
In Maxim's naming convention, 'E' denotes the extended temperature grade (-40°C to +85°C), and 'A' indicates the SSOP-20 package. The full suffix 'EAP' therefore specifies the MAX4531 device in extended-temp SSOP packaging - a designation explicitly listed in the Ordering Information table alongside MAX4531EWP (SO-20) and MAX4531EPP (PDIP-20).
Is the MAX4531EAP pin-compatible with industry-standard logic devices?
Yes, the MAX4531EAP is pin-compatible with the 74HC4352 dual 4-channel analog multiplexer. This compatibility is explicitly stated in the General Description and validated by identical pin functions (e.g., EN1/EN2, ADDA/ADDB, COMA/COMB, NO0A–NO3A, etc.) and shared 20-pin SO/SSOP/DIP footprints across both families.
MAX4531EAP 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):
- 75Ohm
- Channel-to-Channel Matching (ΔRon):
- 1Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- ±2V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 150ns, 100ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1.5pC
- Channel Capacitance (CS(off), CD(off)):
- 3pF, 15pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -92dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SSOP
MAX4531EAP FAQ
1.How can I place an order for MAX4531EAP through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4531EAP 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 MAX4531EAP reliable?
The price and inventory of MAX4531EAP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4531EAP is usually 5 days.
3.What payment methods are accepted for MAX4531EAP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4531EAP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4531EAP?
MAX4531EAP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4531EAP 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 MAX4531EAP?
For technical support, including MAX4531EAP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4531EAP requirements.
6.How does Aetrix verify that MAX4531EAP is sourced from the original manufacturer or authorized distributors?
All MAX4531EAP 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 MAX4531EAP meets industry standards.
7.What is the process for return or replacement of MAX4531EAP?
All MAX4531EAP units undergo pre-shipment inspection (PSI). If there is an issue with MAX4531EAP, 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 MAX4531EAP part is unused and in its original packaging.
Return procedure for MAX4531EAP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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