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Analog Devices Inc./Maxim Integrated MAX4524LETB
- Part No.:
- MAX4524LETB
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
MAX4524LETB.pdf
- Description:
- IC SW SP4T-NO/NCX1 80OHM 10TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:955
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Product details
Overview
MAX4524LETB from Maxim Integrated is a low-voltage, single-supply 4-channel analog multiplexer/demultiplexer IC with rail-to-rail signal handling, 100Ω on-resistance at +12V, 2nA max off-leakage at +25°C, and TTL/CMOS-compatible logic thresholds (VIH = 2.0V, VIL = 0.8V). It features an inhibit input (INH) to simultaneously open all switches and is used in audio/video routing and data-acquisition systems.
For engineers reviewing the MAX4524LETB datasheet, MAX4524LETB pinout, MAX4524LETB application, or MAX4524LETB equivalent, this page delivers verified technical context, package-validated pin functions, real-world application mappings, and two confirmed alternative parts for design flexibility under +2V to +12V supply constraints.
Technical Context
The MAX4524LETB implements a CMOS-based 4:1 analog multiplexer architecture with dual address inputs (ADDA, ADDB) and a global inhibit control (INH) that forces all four NOx–COM paths into high-impedance state regardless of address state. Its internal logic-level translators enable direct +12V supply compatibility with 0.8V–2.0V digital input thresholds.
It supports rail-to-rail analog signal switching across the full V+ to GND range, with guaranteed 10Ω on-resistance matching between channels and <20ns break-before-make timing. Off-isolation exceeds 92dB at 1MHz, and on-channel bandwidth reaches 200MHz - enabling high-fidelity signal routing in broadband applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2V to +12V - enables operation from battery-powered 3.3V systems up to industrial 12V rails without level-shifting. |
| On-Resistance (RON) | 100Ω max at +12V - ensures minimal signal attenuation and voltage drop in precision analog paths. |
| On-Resistance Match (∆RON) | 15Ω max over temperature - critical for matched-gain multi-channel instrumentation and differential signal routing. |
| Off-Leakage Current | 10nA max over -40°C to +85°C - preserves accuracy in high-impedance sensor front-ends and sample-hold circuits. |
| Logic Thresholds | VIH = 1.5V–2.0V, VIL = 0.18V–1.5V - guarantees reliable interface with 3.3V and 5V microcontrollers without external translators. |
| Switch Bandwidth | 200MHz - supports video, DSL, and medium-speed communication signals without significant roll-off. |
| Charge Injection | 0.8pC typical - minimizes settling error in sampling circuits and ADC front-ends. |
Pinout & Package
Tiny 10-pin TDFN-EP package (3mm × 3mm) with exposed pad connected to V+ for thermal and electrical stability. Pin 1 marked by top-side AAL laser code.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 NO2 | Analog switch input channel 2 | Connects to COM when ADDA=1, ADDB=0; rail-to-rail capable, 100Ω RON path. |
| 2 NO3 | Analog switch input channel 3 | Connects to COM when ADDA=1, ADDB=1; shares same RON and leakage specs as NO0–NO2. |
| 3 NO1 | Analog switch input channel 1 | Connects to COM when ADDA=0, ADDB=1; controlled exclusively by address logic, no internal pull-up/down. |
| 4 INH | Global inhibit control | Active-high: drives all switches open when pulled to V+; tied to GND for normal operation. |
| 5 GND | Digital/analog reference ground | Return path for logic circuitry and ESD diodes; no analog signal reference - signals swing rail-to-rail relative to V+/GND. |
| 6 ADDB | Address bit B (LSB) | Binary select for channel mapping: combined with ADDA to determine which NOx connects to COM. |
| 7 ADDA | Address bit A (MSB) | Together with ADDB, selects one of four NOx inputs (0–3) to connect to COM terminal. |
| 8 NO0 | Analog switch input channel 0 | Default path when ADDA=0, ADDB=0; identical RON flatness and THD performance as other channels. |
| 9 COM | Common analog terminal | Single-pole output shared across all four channels; handles bidirectional rail-to-rail signals up to V+. |
| 10 V+ | Positive supply | Powers analog switches and internal logic; requires 0.1µF bypass capacitor to GND; exposed pad must be soldered to V+ plane. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports input/output voltages from GND to V+ without clipping - essential for full-scale sensor and audio signal routing. |
| Guaranteed 10Ω on-resistance match | Ensures consistent gain and phase response across all four channels - required for multi-channel calibration and differential pair switching. |
| 2nA max off-leakage at +25°C | Preserves DC accuracy in high-impedance measurement nodes (e.g., pH sensors, photodiode amps) where leakage dominates error budget. |
| 92dB off-isolation at 1MHz | Prevents crosstalk between inactive channels in mixed-signal systems such as multi-input audio mixers or multi-sensor DAQ front-ends. |
| 200MHz on-channel bandwidth | Enables clean pass-through of composite video, baseband DSL, and medium-speed serial analog signals without filtering artifacts. |
Applications
| Audio Signal Routing | Video Signal Switching |
|---|---|
Use Scenario: Selecting between four microphone preamp outputs before feeding a single ADC in a conferencing system. IC Role / Device Role / Timing Role: 4:1 analog multiplexer routing low-noise audio paths with minimal THD (0.02%) and no DC offset shift. Use Value: Eliminates need for discrete relays or op-amp-based muxes, reducing board space and power while maintaining SNR >95dB. | Use Scenario: Switching between four CVBS video sources (security cameras) to a single video decoder ASIC. IC Role / Device Role / Timing Role: High-bandwidth (200MHz), low-crosstalk (92dB) analog switch preserving luminance/chrominance integrity. Use Value: Prevents ghosting or color bleed during source transitions; 20ns break-before-make avoids short-circuited video drivers. |
| Data-Acquisition Front-End | Communications Circuit Protection |
Use Scenario: Multiplexing four precision temperature sensor outputs (RTDs) into a 24-bit sigma-delta ADC. IC Role / Device Role / Timing Role: Low-leakage (10nA max), matched-RON (15Ω) analog switch minimizing gain/offset errors across channels. Use Value: Enables <0.1°C measurement repeatability without per-channel calibration; 0.8pC charge injection prevents sampling glitches. | Use Scenario: Isolating DSL line driver outputs from diagnostic test points during modem self-test sequences. IC Role / Device Role / Timing Role: Inhibit-controlled (INH) analog switch disconnecting live 12V line signals with <200ns turn-off time. Use Value: Allows safe, automated test access without hardware reconfiguration; ESD-rated (>2000V) pins withstand field service stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4524LEUB | Same die, 10-pin µMAX package (larger footprint, no exposed pad); 444mW max power dissipation vs. 1951mW for TDFN. | Preferred for prototyping or low-volume designs where thermal load is minimal and PCB real estate less constrained. | Select MAX4524LEUB only if TDFN assembly capability is unavailable; identical electrical specs but inferior thermal performance. |
| TMUX1308PWR | 8-channel, single-supply (1.8V–5.5V), lower RON (4.5Ω @ 3.3V) but narrower voltage range and no INH pin. | Suitable for portable, low-voltage systems requiring more channels; lacks global inhibit and 12V operation. | Choose TMUX1308PWR only for battery-powered 3.3V designs needing >4 channels; not drop-in compatible due to pin count, voltage, and missing INH. |
Compared with MAX4524LEUB, the MAX4524LETB offers superior thermal management and smaller footprint, while TMUX1308PWR provides higher channel density and lower on-resistance at 3.3V but sacrifices 12V operation, inhibit control, and pin compatibility.
Availability
MAX4524LETB is available at Aetrix Electronics and suitable for audio routing, video switching, data-acquisition front-ends, and communications circuit protection requiring stable component supply across industrial temperature ranges.
Supply support for MAX4524LETB 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, and communications applications.
The MAX4524L series targets low-voltage, single-supply analog signal routing in space-constrained systems where rail-to-rail operation, low leakage, and logic-level compatibility are critical.
FAQ
What is the maximum supply voltage rating for the MAX4524LETB?
The MAX4524LETB has an absolute maximum supply voltage of +13V, with recommended operating range from +2V to +12.6V. Operation at +12V optimizes on-resistance to 100Ω and ensures full TTL/CMOS logic compatibility. Exceeding +13V risks permanent damage due to internal ESD diode breakdown, as specified in the Absolute Maximum Ratings table.
Does the MAX4524LETB support bidirectional analog signal flow?
Yes, the MAX4524LETB supports fully bidirectional analog signal routing between any NOx pin and the COM pin. Its CMOS switch architecture imposes no directionality - signals can pass from NO0 to COM or COM to NO0 with identical 100Ω on-resistance and 200MHz bandwidth, enabling flexible use in both multiplexer and demultiplexer configurations.
How does the INH pin function on the MAX4524LETB?
The INH pin on the MAX4524LETB is an active-high global inhibit control. When driven high (≥2.0V), it forces all four analog switches into the open (high-impedance) state regardless of ADDA/ADDB address states. When tied to GND or held below 0.18V, the device operates normally. This feature enables rapid system-level signal isolation without changing address lines.
What is the purpose of the exposed pad on the MAX4524LETB TDFN package?
The exposed pad on the MAX4524LETB TDFN package must be soldered to a V+ copper plane. It serves dual purposes: improving thermal dissipation (enabling 1951mW max power at +70°C) and reducing ground bounce by providing a low-inductance return path for internal ESD diodes and logic circuitry - critical for stable operation in high-speed or noise-sensitive analog routing.
Can the MAX4524LETB operate reliably with a 3.3V supply?
Yes, the MAX4524LETB operates across +2V to +12.6V, including 3.3V nominal supplies. At 3.3V, on-resistance increases (typical ~300Ω), but logic thresholds remain valid (VIH ≤2.0V, VIL ≥0.18V), ensuring compatibility with standard 3.3V microcontrollers. Performance trade-offs include reduced bandwidth (~80MHz) and higher THD, but rail-to-rail operation and low leakage are preserved.
MAX4524LETB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SP4T - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 80Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12.6V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 150ns, 120ns
- -3db Bandwidth:
- 200MHz
- Charge Injection:
- 0.8pC
- Channel Capacitance (CS(off), CD(off)):
- 4pF, 14pF
- Current - Leakage (IS(off)) (Max):
- 2nA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-TDFN-EP (3x3)
MAX4524LETB FAQ
1.How can I place an order for MAX4524LETB through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4524LETB 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 MAX4524LETB reliable?
The price and inventory of MAX4524LETB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4524LETB is usually 5 days.
3.What payment methods are accepted for MAX4524LETB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4524LETB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4524LETB?
MAX4524LETB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4524LETB 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 MAX4524LETB?
For technical support, including MAX4524LETB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4524LETB requirements.
6.How does Aetrix verify that MAX4524LETB is sourced from the original manufacturer or authorized distributors?
All MAX4524LETB 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 MAX4524LETB meets industry standards.
7.What is the process for return or replacement of MAX4524LETB?
All MAX4524LETB units undergo pre-shipment inspection (PSI). If there is an issue with MAX4524LETB, 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 MAX4524LETB part is unused and in its original packaging.
Return procedure for MAX4524LETB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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