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Analog Devices Inc./Maxim Integrated MAX4523EGE+T
- Part No.:
- MAX4523EGE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-VQFN Exposed Pad
- Datasheet:
-
MAX4523EGE+T.pdf
- Description:
- IC SW SPST-NO/NCX4 100OHM 16QFN
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MAX4523EGE+T from Maxim Integrated is a quad SPST analog switch with two normally open (NO) and two normally closed (NC) channels, designed for rail-to-rail signal routing in low-voltage systems. It features 100Ω max on-resistance (±5V supplies), 4Ω max channel matching, 12Ω max on-resistance flatness, <1µW power consumption, and operates from +2V to +12V single supply or ±2V to ±6V dual supplies. It is used in audio signal routing, test equipment, and battery-operated data acquisition systems.
For engineers reviewing the MAX4523EGE+T datasheet, MAX4523EGE+T pinout, MAX4523EGE+T application, or MAX4523EGE+T equivalent, key selection criteria include its mixed NO/NC configuration, QFN-EP 16-pin package with exposed pad, break-before-make timing (5–20 ns), ±5V or +5V logic compatibility, and guaranteed -40°C to +85°C operation.
Technical Context
The MAX4523EGE+T implements four independent CMOS transmission gates-two configured as NO and two as NC-each driven by level-translated logic inputs compatible with TTL/CMOS thresholds (0.8V/2.4V). Its analog path supports rail-to-rail signals up to V+ and down to V−, with ESD protection >2kV per Method 3015.7 and internal diode clamping for overvoltage transients.
It uses separate V+, V−, and GND pins: V+ powers logic and drives P-channel gates; V− drives N-channel gates and sets negative signal limit; GND serves only digital reference. The exposed pad (EP) must be connected to V+ for thermal and electrical integrity. Break-before-make timing applies exclusively to the NO/NC pairs (pins 1/16 and 6/11), preventing momentary shorting during state transitions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 100Ω max at ±5V supplies - ensures minimal signal attenuation and voltage drop in precision analog paths. |
| On-resistance match (ΔRON) | 4Ω max between channels - enables matched gain/attenuation in multi-channel instrumentation or balanced signal switching. |
| On-resistance flatness (RFLAT) | 12Ω max over signal range - maintains consistent impedance across full analog input swing, critical for THD-sensitive audio routing. |
| Off-leakage current | 10nA max at +85°C - preserves signal integrity in high-impedance sensor interfaces and battery-backed circuits. |
| Supply range | +2V to +12V single or ±2V to ±6V dual - supports wide input voltage flexibility including Li-ion battery (3.0–4.2V) and legacy ±5V systems. |
| Logic thresholds | 0.8V low / 2.4V high - guarantees reliable TTL/CMOS interoperability without level shifters at +5V supply. |
| Break-before-make delay | 5–20 ns (MAX4523 only) - prevents signal shorting during NO/NC transition in mixed-configuration switching applications. |
Pinout & Package
MAX4523EGE+T is housed in a 16-pin QFN-EP (4mm × 4mm × 0.9mm) package with exposed pad (EP) that must be soldered to V+. Pin 1 is located at the bottom-left corner (marking dot adjacent), and the EP is electrically and thermally tied to V+.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16, 9, 8 | IN1–IN4 | Digital control inputs; active-high logic drives corresponding switch state (NO/NC). |
| 2, 15, 10, 7 | COM1–COM4 | Analog common terminals - bidirectional signal path interface for all switches. |
| 3, 6 | NO1, NO4 | Normally open analog terminals - connect to COM only when IN = high. |
| 14, 11 | NC2, NC3 | Normally closed analog terminals - connect to COM when IN = low; disconnect when IN = high. |
| 4 | V− | Negative analog supply - sets lower analog signal limit; tie to GND for single-supply operation. |
| 5 | GND | Digital ground reference - no analog signal reference; isolated from analog path. |
| 12, 13 | N.C. | No-connect pins - not internally bonded; must remain unconnected. |
| 11 | V+ | Positive analog/digital supply - powers logic, drives P-channel gates, and connects to substrate and EP. |
Key Features
| Feature | Design Value |
|---|---|
| Mixed NO/NC configuration | Two NO (pins 3,6) and two NC (pins 14,11) switches enable flexible signal path control - e.g., default-closed safety path + user-activated alternate path. |
| Rail-to-rail analog handling | Signals swing from V− to V+ without clipping - supports full dynamic range in audio, sensor, and data-acquisition front ends. |
| Low charge injection (1–5 pC) | Minimizes voltage glitch on sampled-hold nodes and ADC inputs, preserving measurement accuracy in precision data acquisition. |
| Pin compatibility with DG211/DG212/DG213 | Enables drop-in replacement in legacy designs using industry-standard quad SPST switches, reducing redesign effort. |
| QFN-EP thermal performance | Exposed pad connected to V+ lowers thermal resistance (1349mW dissipation at +70°C), supporting stable operation in compact, high-density PCB layouts. |
Applications
| Audio Signal Routing | Test Equipment Multiplexing |
|---|---|
Use Scenario: Switching between multiple microphone inputs or speaker outputs in portable audio devices. IC Role / Device Role / Timing Role: Quad SPST analog switch providing bidirectional, low-distortion signal path selection with rail-to-rail capability. Use Value: 100Ω RON and <−90dB off-isolation preserve SNR and prevent crosstalk between audio channels. |
Use Scenario: Routing DUT signals to different measurement instruments (oscilloscope, DMM, signal generator) in automated test fixtures. IC Role / Device Role / Timing Role: Precision analog multiplexer enabling sequential signal access with sub-100ns switching and low leakage. Use Value: 10nA max off-leakage at +85°C ensures measurement integrity across temperature-stressed production testing. |
| Battery-Operated Data Acquisition | Avionics Signal Conditioning |
Use Scenario: Selecting sensor inputs (thermocouple, RTD, strain gauge) in handheld diagnostic tools powered by single-cell Li-ion. IC Role / Device Role / Timing Role: Low-power analog switch operating from +2.7V to +3.6V with <1µW quiescent power. Use Value: 600Ω RON at +2.7V and 0.5–5pC charge injection maintain resolution in 16-bit+ SAR ADC front ends. |
Use Scenario: Isolating and routing critical flight-control sensor signals (e.g., airspeed, angle-of-attack) in ruggedized avionics modules. IC Role / Device Role / Timing Role: Radiation-tolerant (−55°C to +125°C capable variant available) analog switch with >2kV ESD protection. Use Value: Guaranteed −40°C to +85°C operation and 100% tested leakage at max temperature ensure reliability in extended environmental profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4522EGE+T | Four NO-only channels; identical package, pinout, and electrical specs except NC functionality removed. | Suitable where all paths require active-high closure; lacks default-closed safety path of MAX4523EGE+T. | Select when system design requires uniform NO behavior and no NC fallback needed. |
| ADG1412BRUZ | Quad SPST, 1.5Ω typical RON, ±15V supply capable, but larger TSSOP-16 package and no exposed pad. | Better for high-precision, high-voltage industrial systems; higher cost and thermal resistance than QFN-EP. | Choose for ultra-low on-resistance or extended voltage range; avoid if board space or thermal performance is constrained. |
Compared with MAX4522EGE+T (NO-only) and ADG1412BRUZ (low-RON, high-voltage), MAX4523EGE+T uniquely balances mixed NO/NC functionality, compact thermal QFN-EP packaging, and robust −40°C to +85°C operation - making it optimal for space-constrained, battery-powered systems requiring fail-safe signal routing.
Availability
MAX4523EGE+T is available at Aetrix Electronics and suitable for audio signal routing, test equipment multiplexing, and battery-operated data acquisition requiring stable component supply across industrial temperature ranges.
Supply support for MAX4523EGE+T 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.
The MAX452x family was designed specifically for low-voltage, low-power analog signal switching in portable and precision instrumentation systems - emphasizing rail-to-rail operation, tight channel matching, and robust ESD tolerance.
FAQ
What is the operating temperature range for MAX4523EGE+T?
The MAX4523EGE+T is rated for operation from −40°C to +85°C, as confirmed by the "E" grade suffix in its ordering code and validated across all electrical parameters in the datasheet's Electrical Characteristics tables. This range covers industrial and extended commercial environments, and the device undergoes 100% leakage testing at +85°C to ensure reliability.
How does the break-before-make timing work in MAX4523EGE+T?
The MAX4523EGE+T implements break-before-make timing exclusively between its NO and NC pairs - specifically between IN1/NO1/NC2 and IN4/NO4/NC3. With tBBM specified at 5–20 ns (at +25°C), it ensures the NC path opens before the NO path closes, preventing momentary shorts in mixed-configuration signal routing. This behavior is absent in MAX4521/MAX4522 variants.
Can MAX4523EGE+T operate from a single 3.3V supply?
Yes, MAX4523EGE+T fully supports single-supply operation from +2.7V to +3.6V. At +3.3V, typical on-resistance is 260Ω, turn-on time is 250ns, and logic thresholds remain within 0.8V/2.4V - ensuring compatibility with standard 3.3V digital I/O. V− must be tied to GND, and the exposed pad connected to V+.
What is the purpose of the exposed pad (EP) on MAX4523EGE+T?
The exposed pad on MAX4523EGE+T is electrically connected to V+ and must be soldered to a V+-poured copper area on the PCB. It provides critical thermal conduction (enabling 1349mW dissipation at +70°C) and reduces package inductance, improving high-frequency performance and ESD robustness. Leaving it floating or grounding it violates the datasheet specification and degrades reliability.
Is MAX4523EGE+T pin-compatible with industry-standard analog switches?
Yes, MAX4523EGE+T is explicitly pin-compatible with DG211, DG212, and DG213 quad SPST analog switches in SO, TSSOP, and QSOP packages. While the QFN-EP footprint differs physically, the signal and power pin assignments (INx, COMx, V+, V−, GND) match functionally - enabling direct schematic reuse and layout adaptation with minimal redesign effort.
MAX4523EGE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 100Ohm
- Channel-to-Channel Matching (ΔRon):
- 1Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- ±2V ~ 6V
- Switch Time (Ton, Toff) (Max):
- 80ns, 30ns
- -3db Bandwidth:
- -
- Charge Injection:
- 1pC
- Channel Capacitance (CS(off), CD(off)):
- 2pF, 2pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -90dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (4x4)
MAX4523EGE+T FAQ
1.How can I place an order for MAX4523EGE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4523EGE+T 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 MAX4523EGE+T reliable?
The price and inventory of MAX4523EGE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4523EGE+T is usually 5 days.
3.What payment methods are accepted for MAX4523EGE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4523EGE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4523EGE+T?
MAX4523EGE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4523EGE+T 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 MAX4523EGE+T?
For technical support, including MAX4523EGE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4523EGE+T requirements.
6.How does Aetrix verify that MAX4523EGE+T is sourced from the original manufacturer or authorized distributors?
All MAX4523EGE+T 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 MAX4523EGE+T meets industry standards.
7.What is the process for return or replacement of MAX4523EGE+T?
All MAX4523EGE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4523EGE+T, 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 MAX4523EGE+T part is unused and in its original packaging.
Return procedure for MAX4523EGE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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