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Analog Devices Inc./Maxim Integrated MAX4530EAP+
- Part No.:
- MAX4530EAP+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MAX4530EAP+.pdf
- Description:
- IC MUX 8:1 75OHM 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,839
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Product details
Overview
The MAX4530EAP+ from Maxim Integrated is an 8-channel CMOS analog multiplexer with dual enable inputs, address latching, and rail-to-rail signal handling. It operates from a single +2V to +12V supply or dual ±2V to ±6V supplies, features 150Ω max on-resistance (±4.5V), 8Ω max channel matching, and 1nA COM-off leakage at +25°C. It is used in battery-powered data acquisition systems requiring low-power, high-precision analog switching.
For engineers reviewing the MAX4530EAP+ datasheet, MAX4530EAP+ pinout, MAX4530EAP+ application, or MAX4530EAP+ equivalent, key selection criteria include its -40°C to +85°C extended temperature rating, 20-pin SSOP package, break-before-make timing (10ns typ), <1µW quiescent power, and compatibility with TTL/CMOS logic levels across supply voltages.
Technical Context
The MAX4530EAP+ implements a latch-controlled 3-bit address decoder driving eight transmission-gate switch paths between a common terminal (COM) and eight normally open terminals (NO0–NO7). Its dual enable inputs (EN1, EN2) provide independent section control, and internal level translators ensure proper gate drive across single- or dual-supply configurations.
Switching performance is defined by tON = 150ns and tOFF = 120ns (±4.5V), with break-before-make interval of 4ns (typ) and charge injection of 1.5pC - critical for precision sample-and-hold and multiplexed ADC front-ends. Off-isolation exceeds -65dB at 1MHz, and crosstalk remains below -92dB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2V to +12V single or ±2V to ±6V dual - supports portable and industrial rails without level-shifting |
| On-Resistance (RON) | 150Ω max at +5V supply - ensures minimal gain error and THD in audio/precision signal paths |
| RON Matching | 8Ω max between channels - enables accurate ratiometric measurements across muxed sensors |
| Leakage Current | 1nA COM-off at +25°C - preserves accuracy in high-impedance, low-current applications like pH sensing |
| Switching Speed | tON/tOFF = 150ns/120ns at ±4.5V - suitable for 100ksps data acquisition with minimal settling delay |
| Logic Compatibility | 0.8V/2.4V thresholds - interoperates directly with 3.3V/5V microcontrollers and FPGAs |
| ESD Protection | >2kV per Method 3015.7 - enhances robustness in bench-test and field-deployed equipment |
Pinout & Package
MAX4530EAP+ uses a 20-pin SSOP (Shrink Small Outline Package) with 0.65mm pitch, footprint-compatible with industry-standard 20-pin SO and DIP variants. Thermal resistance θJA = 125°C/W enables operation up to +85°C ambient without forced airflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Drives analog switches and internal logic; sets upper analog signal limit (rail-to-rail up to V+) |
| V- | Negative supply input | Required for dual-supply operation; tied to GND for single-supply use; sets lower analog limit |
| GND | Digital ground reference | Reference for logic inputs and internal level translators; isolated from analog signal path |
| COM | Common analog terminal | Shared I/O node for all 8 channels; bidirectional, handles full rail-to-rail voltage range |
| NO0–NO7 | Normally open analog terminals | Eight independent switch outputs; electrically identical to COM; no polarity constraints |
| EN1 / EN2 | Enable logic inputs | Active-high controls switch group activation; allows partial channel enabling for power gating |
| ADDA / ADDB / ADDC | Address bit inputs | 3-bit binary select (0–7) latched on LE edge; determines which NOx connects to COM |
| LE | Latch enable input | Edge-triggered strobe captures address bits; decouples address setup from switching timing |
Key Features
| Feature | Design Value |
|---|---|
| PIN-COMPATIBLE WITH 74HC4351 | Drop-in replacement for legacy 74HC4351 in existing PCB layouts, preserving routing and BOM continuity |
| Rail-to-Rail® Signal Handling | Supports analog signals from V- to V+ without clipping - essential for ±5V op-amp interfaces and unipolar sensor outputs |
| Address Latching | Eliminates need for continuous address bus hold; reduces MCU GPIO overhead and timing-critical bus contention |
| Break-Before-Make Switching | Guaranteed 4ns minimum interval prevents momentary shorting between channels - protects sensitive sources and loads |
| Low Charge Injection (1.5pC) | Minimizes voltage glitch on sampled capacitors - critical for high-resolution SAR ADC front-ends and precision integrators |
Applications
| Battery-Operated Data Loggers | Automated Test Equipment (ATE) |
|---|---|
Use Scenario: Multiplexing thermocouple, RTD, and strain gauge inputs into a single 16-bit ADC under 3.3V battery power. IC Role / Device Role / Timing Role: 8-channel analog mux with address latching and ultra-low leakage, enabling sequential sampling without external glue logic. Use Value: 1nA off-leakage preserves microvolt-level sensor integrity; <1µW quiescent power extends battery life beyond 12 months. | Use Scenario: Routing calibration references and DUT signals in modular ATE backplanes operating at ±5V. IC Role / Device Role / Timing Role: Precision analog switch with matched RON and low crosstalk, controlled via FPGA GPIO with latch synchronization. Use Value: 8Ω RON matching ensures ratiometric accuracy across channels; -92dB crosstalk prevents signal contamination during parallel testing. |
| Avionics Sensor Interfaces | Audio Signal Routing |
Use Scenario: Selecting between redundant pressure, temperature, and inertial sensor pairs in DO-160 qualified flight control units. IC Role / Device Role / Timing Role: Extended-temperature (–40°C to +85°C) analog multiplexer with >2kV ESD protection for harsh avionics environments. Use Value: Dual-supply operation supports ±5V sensor excitation; break-before-make prevents transient coupling during fault recovery. | Use Scenario: Channel-selectable routing of line-level stereo signals in professional audio mixers with digital control. IC Role / Device Role / Timing Role: Low-distortion analog switch with 75Ω RON (±5V) and <0.025% THD for transparent audio path switching. Use Value: Rail-to-rail capability preserves full dynamic range of ±2.5V audio signals; fast 150ns switching enables mute/gain-change without pop/click. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4530EWP+ | Same die, 20-pin SO package (1.27mm pitch); higher θJA (100°C/W) than SSOP | Preferred for through-hole prototyping or legacy SO footprints; less space-efficient than SSOP | Select when board real estate permits larger package or reflow compatibility with SO carriers is required |
| ADG708BRUZ | 8-channel mux, but no address latching; 3.5Ω RON (±5V), 1pC charge injection, -40°C to +125°C rating | Requires continuous address bus hold; better for high-temp industrial PLCs where latch timing is impractical | Choose when latch-free operation simplifies controller firmware and higher temp range outweighs layout complexity |
Compared with MAX4530EWP+, the MAX4530EAP+ offers 22% smaller PCB area and improved thermal performance in dense layouts; versus ADG708BRUZ, it trades latch functionality for slightly higher RON and narrower temperature range but delivers deterministic switching timing and reduced MCU resource usage.
Availability
MAX4530EAP+ is available at Aetrix Electronics and suitable for battery-operated equipment, automated test equipment, and avionics sensor interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4530EAP+ 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 automotive markets.
The MAX4530 family targets low-voltage, high-fidelity analog signal routing in space-constrained, power-sensitive systems - emphasizing rail-to-rail operation, low leakage, and logic-compatible control without external level shifters.
FAQ
What is the maximum analog signal voltage range supported by the MAX4530EAP+?
The MAX4530EAP+ supports rail-to-rail analog signals from V− to V+. With ±5V dual supplies, this means −5V to +5V; with a +5V single supply (V− = GND), the range is 0V to +5V. The absolute maximum analog voltage is limited by the supply rails - exceeding V+ or falling below V− risks forward-biasing internal ESD diodes and causing leakage or damage.
Does the MAX4530EAP+ require external pull-up or pull-down resistors on its digital control pins?
No, the MAX4530EAP+ does not require external pull-up or pull-down resistors on EN1, EN2, ADDA, ADDB, ADDC, or LE. Its digital inputs have guaranteed TTL/CMOS-compatible thresholds (0.8V low, 2.4V high at +5V supply) and specified input leakage (<±0.1µA), allowing direct connection to microcontroller GPIOs or FPGA outputs without biasing components.
Can the MAX4530EAP+ be used with a +3.3V single supply?
Yes, the MAX4530EAP+ operates with a +3.3V single supply (V− = GND). At this voltage, typical on-resistance rises to ~300Ω (vs. 150Ω at +5V), and switching times increase moderately. Logic thresholds remain compatible, and rail-to-rail operation covers 0V to +3.3V - making it viable for low-voltage IoT sensor nodes where power efficiency outweighs RON sensitivity.
How does the address latching function improve system design compared to non-latching muxes?
The address latching in MAX4530EAP+ captures ADDA/ADDB/ADDC states on the rising edge of LE, decoupling address stability timing from switch actuation. This eliminates setup/hold timing constraints on the address bus, simplifies FPGA or MCU firmware (no need to hold address lines active during switching), and prevents glitches caused by address transitions mid-switch - a key advantage over non-latching alternatives like the ADG708.
Is the MAX4530EAP+ pin-compatible with the MAX4531EAP+ or MAX4532EAP+?
No, the MAX4530EAP+, MAX4531EAP+, and MAX4532EAP+ are not pin-compatible. While all use 20-pin SSOP packages, their pinouts differ significantly: MAX4530EAP+ has a single COM and eight NOx pins; MAX4531EAP+ splits into two 4-channel sections (COMA/COMB); MAX4532EAP+ provides three SPDT switches (COMA/COMB/COMC). Board-level substitution requires schematic and layout revision.
MAX4530EAP+ 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):
- 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
MAX4530EAP+ FAQ
1.How can I place an order for MAX4530EAP+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4530EAP+ 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 MAX4530EAP+ reliable?
The price and inventory of MAX4530EAP+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4530EAP+ is usually 5 days.
3.What payment methods are accepted for MAX4530EAP+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4530EAP+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4530EAP+?
MAX4530EAP+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4530EAP+ 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 MAX4530EAP+?
For technical support, including MAX4530EAP+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4530EAP+ requirements.
6.How does Aetrix verify that MAX4530EAP+ is sourced from the original manufacturer or authorized distributors?
All MAX4530EAP+ 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 MAX4530EAP+ meets industry standards.
7.What is the process for return or replacement of MAX4530EAP+?
All MAX4530EAP+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4530EAP+, 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 MAX4530EAP+ part is unused and in its original packaging.
Return procedure for MAX4530EAP+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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