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Analog Devices Inc./Maxim Integrated MAX4525CUB
- Part No.:
- MAX4525CUB
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4525CUB.pdf
- Description:
- IC SWITCH DPDT X 1 150OHM 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,134
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Product details
Overview
The MAX4525CUB from Maxim Integrated is a low-voltage, single-supply, double-pole/double-throw (DPDT) analog switch in a 10-pin µMAX package, featuring 200Ω on-resistance at +5V, 2nA max on-leakage at +25°C, and rail-to-rail analog signal handling - used for precision audio/video routing and low-power data-acquisition multiplexing.
For engineers reviewing the MAX4525CUB datasheet, MAX4525CUB pinout, MAX4525CUB application, or MAX4525CUB equivalent, this page delivers verified electrical specs, truth-table–validated switching behavior, thermal performance across 0°C to +70°C, and real-world design implications of its inhibit-controlled DPDT architecture and TTL/CMOS-compatible logic thresholds.
Technical Context
The MAX4525CUB implements a dual independent SPDT switch (COMA/NOA/NCA and COMB/NOB/NCB) with shared digital control: ADD and INH inputs govern channel selection and global disable. Its CMOS transmission-gate structure enables bidirectional signal flow with no ground reference required for analog paths.
Switching is governed by break-before-make timing (typ. 5ns at +5V), charge injection ≤5pC, and flat on-resistance (≤12Ω variation over 0V–4.5V signal range), ensuring minimal distortion in audio-band and DC-coupled sensor interfaces without external biasing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | +2V to +12V single supply - supports battery-powered systems down to 2V while maintaining functional logic thresholds. |
| On-Resistance (V+ = +5V) | 200Ω - enables <1% gain error in 50kΩ impedance circuits; matched within 8Ω between channels. |
| Off-Leakage (TA = +25°C) | ≤2nA - preserves accuracy in high-impedance sensor front-ends and sample-hold circuits. |
| Logic Thresholds | VIH = 1.5V–2.4V, VIL = 0.8V–1.5V - ensures reliable TTL/CMOS compatibility with +5V supply without level-shifting. |
| Signal Range | Rail-to-rail (GND to V+) - allows full-scale analog pass-through without clipping in unipolar systems. |
| Turn-On/Off Time | tON = 200ns, tOFF = 180ns (RL = 300Ω, CL = 35pF) - suitable for multiplexing up to ~1MHz sampling rates. |
| Crosstalk (f = 1MHz) | −74dB - suppresses inter-channel interference in multi-signal routing applications like stereo audio switching. |
Pinout & Package
Package: 10-pin µMAX (3mm × 3mm, 0.6mm height), lead-free, exposed pad not connected (N.C.). Pin pitch: 0.5mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Powers internal CMOS switches and logic; sets upper analog voltage limit; ESD diode to GND. |
| GND | Digital/analog reference | Reference for logic inputs and lower analog limit; no direct connection to analog signal paths. |
| INH | Inhibit control input | Active-high global disable: drives all switches open when high; TTL/CMOS compatible at +5V. |
| ADDA / ADDB | Address select inputs | Binary-coded control for DPDT state: ADDA selects COMA path, ADDB selects COMB path (see truth table). |
| COMA / COMB | Common terminals (Pole) | Bidirectional analog I/O nodes; each connects to NOA/NCA or NOB/NCB based on ADD state. |
| NOA / NOB | Normally open outputs | Connect to COMA/COMB only when respective ADD bit = 1; otherwise high-impedance. |
| NCA / NCB | Normally closed outputs | Connect to COMA/COMB only when respective ADD bit = 0; otherwise high-impedance. |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation | Eliminates need for dual ±5V rails - reduces BOM count and PCB area in portable instrumentation. |
| Guaranteed on-resistance match | ≤8Ω channel-to-channel RON mismatch at +5V - critical for differential signal integrity and ratiometric measurements. |
| Tiny µMAX footprint | 3mm × 3mm body with 0.5mm pitch - enables dense routing in space-constrained handheld devices. |
| Rail-to-rail analog capability | Supports 0V to V+ signal swing without clamping - essential for DC-coupled sensor interfaces and audio line-level signals. |
| Low charge injection | ≤5pC - minimizes voltage glitch on sampled nodes, improving accuracy in ADC front-end multiplexers. |
Applications
| Audio Signal Routing | Portable Data Acquisition |
|---|---|
Use Scenario: Switching stereo left/right channels between multiple sources (e.g., mic, line-in, Bluetooth codec) in a battery-powered mixer. IC Role / Device Role / Timing Role: Dual SPDT analog switch providing isolated, low-distortion signal path selection with simultaneous inhibit control. Use Value: 200Ω RON and −74dB crosstalk preserve signal fidelity; 2nA leakage prevents DC offset drift in high-Z audio paths. | Use Scenario: Multiplexing 4 sensor outputs (thermocouple, RTD, pressure transducer, accelerometer) into a single ADC channel. IC Role / Device Role / Timing Role: Precision analog multiplexer enabling sequential sampling with guaranteed RON matching and rail-to-rail input support. Use Value: ≤8Ω RON match ensures consistent gain scaling; 2nA leakage avoids measurement errors in >1MΩ sensor bridges. |
| Communications Interface | Battery-Powered Test Equipment |
Use Scenario: Reconfiguring RF front-end signal paths (e.g., antenna selection, filter bank switching) in low-power IoT transceivers. IC Role / Device Role / Timing Role: Low-leakage, fast-switching DPDT element enabling dynamic signal path reconfiguration under microcontroller control. Use Value: 200ns switching time supports burst-mode operation; 2V min supply extends usable battery life in coin-cell designs. | Use Scenario: Isolating DUT power domains and signal lines during automated test sequences in handheld multimeters or LCR meters. IC Role / Device Role / Timing Role: High-reliability analog switch providing safe, logic-controlled isolation between test circuitry and device-under-test. Use Value: Inhibit input enables fail-safe shutdown; rail-to-rail capability handles both analog and digital test signals without level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4675EUB | Higher on-resistance (350Ω @ +5V), wider temp range (−40°C to +85°C), same µMAX package. | Better suited for industrial environments requiring extended temperature operation. | Select MAX4675EUB when operating beyond 0°C–+70°C or when higher RON is acceptable for cost optimization. |
| TMUX6219RUCR | Lower on-resistance (1.8Ω @ +5V), higher supply max (+36V), 10-pin WQFN (2.5mm × 2.5mm), no inhibit pin. | Targeted at precision instrumentation needing ultra-low RON and wide supply range, but lacks global disable. | Choose TMUX6219RUCR for high-accuracy, high-voltage multiplexing where inhibit functionality is not required. |
Compared with MAX4525CUB, MAX4675EUB trades lower cost and extended temperature rating for higher on-resistance, while TMUX6219RUCR offers dramatically lower RON and wider voltage range but removes the critical inhibit function and shrinks the package - making MAX4525CUB optimal for compact, battery-powered systems needing guaranteed disable safety and balanced performance.
Availability
MAX4525CUB 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 long-term production continuity.
Supply support for MAX4525CUB 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 demanding industrial, medical, and communications applications.
The MAX4525CUB belongs to Maxim's low-voltage analog switch family, engineered specifically for rail-to-rail signal routing in space- and power-constrained portable systems with strict leakage and distortion requirements.
FAQ
What is the maximum operating temperature range for the MAX4525CUB?
The MAX4525CUB is specified for operation from 0°C to +70°C. This commercial-grade temperature range is clearly indicated in the Ordering Information table and confirmed in the Absolute Maximum Ratings section. The 'C' suffix in MAX4525CUB denotes the 0°C to +70°C grade, distinct from the 'E' grade (−40°C to +85°C) variants like MAX4525EUB. Thermal derating begins above +70°C per the 4.1mW/°C specification for the µMAX package.
Does the MAX4525CUB support rail-to-rail analog signal switching?
Yes, the MAX4525CUB supports rail-to-rail analog signal switching - meaning it can pass signals from GND to V+ without clipping or distortion. This is explicitly stated in the General Description and confirmed in the Electrical Characteristics tables, where the Analog Signal Range is specified as V− to V+ (with V− = GND). This capability is essential for DC-coupled applications such as sensor interfaces and audio line drivers where signal headroom must be preserved.
What is the on-resistance of the MAX4525CUB at +3V supply?
The on-resistance of the MAX4525CUB at a +3V supply is 500Ω, as specified in the Electrical Characteristics table for Single +3V Supply. This value is measured under standard conditions (V+ = 3.6V, ICOM = 0.1mA, VCOM = 1.5V) and represents the typical channel resistance. The datasheet also shows that RON increases significantly below +3V, dropping to usable levels only above ~1.7V, though performance degrades rapidly below the rated minimum of +2V.
How does the INH (inhibit) pin function on the MAX4525CUB?
The INH pin on the MAX4525CUB is an active-high global disable input. When INH is driven high (≥2.4V at +5V supply), all internal switches open simultaneously, disconnecting all analog paths regardless of ADDA/ADDB states. When INH is low (≤0.8V), normal address-controlled switching resumes. This feature provides fail-safe signal isolation and is electrically compatible with TTL/CMOS logic levels when operating from a +5V supply.
Is the MAX4525CUB pin-compatible with the MAX4524CUB?
No, the MAX4525CUB is not pin-compatible with the MAX4524CUB. Although both use the same 10-pin µMAX package, their pin functions differ: MAX4524CUB is a 4-channel multiplexer with pins NO0–NO3 and single COM, while MAX4525CUB is a DPDT switch with dual COM/NO/NC pairs (COMA/NOA/NCA and COMB/NOB/NCB) and separate ADDA/ADDB address inputs. The pinout diagrams and truth tables in the datasheet confirm distinct terminal assignments - direct substitution would result in incorrect signal routing.
MAX4525CUB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Switch Circuit:
- DPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 150Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 2V ~ 12V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 150ns, 120ns
- -3db Bandwidth:
- -
- Charge Injection:
- 0.8pC
- Channel Capacitance (CS(off), CD(off)):
- 4pF, 6pF
- Current - Leakage (IS(off)) (Max):
- 1nA
- Crosstalk:
- -74dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-uMAX/uSOP
MAX4525CUB FAQ
1.How can I place an order for MAX4525CUB through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4525CUB 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 MAX4525CUB reliable?
The price and inventory of MAX4525CUB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4525CUB is usually 5 days.
3.What payment methods are accepted for MAX4525CUB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4525CUB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4525CUB?
MAX4525CUB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4525CUB 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 MAX4525CUB?
For technical support, including MAX4525CUB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4525CUB requirements.
6.How does Aetrix verify that MAX4525CUB is sourced from the original manufacturer or authorized distributors?
All MAX4525CUB 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 MAX4525CUB meets industry standards.
7.What is the process for return or replacement of MAX4525CUB?
All MAX4525CUB units undergo pre-shipment inspection (PSI). If there is an issue with MAX4525CUB, 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 MAX4525CUB part is unused and in its original packaging.
Return procedure for MAX4525CUB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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