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Analog Devices Inc./Maxim Integrated MAX4641EUA+TG24
- Part No.:
- MAX4641EUA+TG24
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4641EUA+TG24.pdf
- Description:
- INTEGRATED CIRCUIT
- Quantity:
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Product details
Overview
The MAX4641EUA+TG24 from Maxim Integrated is a dual, single-pole/single-throw (SPST), normally open (NO) CMOS analog switch operating from a single +1.8V to +5.5V supply, delivering 4Ω max on-resistance at +5V, 0.6Ω RON matching between channels, and 18ns typical turn-on time - used for precision signal routing in low-voltage data-acquisition and battery-powered audio systems.
For engineers reviewing the MAX4641EUA+TG24 datasheet, MAX4641EUA+TG24 pinout, MAX4641EUA+TG24 application, or MAX4641EUA+TG24 equivalent, key selection criteria include guaranteed RON flatness (1Ω), rail-to-rail analog signal range, sub-0.35nA leakage over –40°C to +85°C, and µMAX-8 package compatibility with space-constrained portable designs.
Technical Context
This device implements dual independent SPST switches with complementary CMOS transmission-gate architecture, enabling bidirectional analog signal flow across COM–NO paths. Each channel features matched P- and N-channel MOSFETs driven by level-shifted logic, ensuring rail-to-rail conduction and minimal charge injection (2pC).
Switching is controlled by two separate digital inputs (IN1, IN2), each compatible with TTL/CMOS logic thresholds at +5V supply and scaled thresholds down to +1.8V operation. Internal ESD protection diodes clamp analog pins to V+ and GND, limiting signal excursion beyond supply rails without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V - supports direct integration into Li-ion battery-powered systems and mixed-voltage logic domains. |
| On-Resistance (RON) | 4Ω max at +5V - ensures minimal signal attenuation and gain error in precision instrumentation front-ends. |
| RON Matching | 0.6Ω max at +5V - enables accurate differential signal switching and matched channel performance in dual-path circuits. |
| Turn-On Time (tON) | 18ns typ - allows high-speed multiplexing in sampling systems up to ~25MHz effective switching rate. |
| Analog Signal Range | Rail-to-rail (0V to V+) - preserves full dynamic range of baseband audio, sensor, and DAC output signals. |
| Leakage Current | <0.35nA over –40°C to +85°C - maintains DC accuracy in high-impedance sample-and-hold and sensor interface nodes. |
| Total Harmonic Distortion | 0.018% at 20Hz–20kHz - meets fidelity requirements for line-level audio routing without audible artifacts. |
Pinout & Package
The MAX4641EUA+TG24 is housed in an 8-pin µMAX package (3mm × 3mm, 0.8mm height), thermally enhanced for low-power analog switching applications and compatible with standard 0.65mm pitch PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5 | NO1, NO2 | Normally open analog switch terminals - conduct only when corresponding INx is high; bidirectional signal path with 7pF off-capacitance. |
| 2, 6 | IN1, IN2 | Digital control inputs - accept 0.8V/2.4V logic thresholds at +5V supply; drive internal gate drivers with <0.1µA input current. |
| 3, 7 | GND | Analog and digital ground reference - must be low-impedance; decouples internal logic and analog sections. |
| 4 | COM1 | Common analog terminal for first switch - connects to NO1 when IN1 = high; bidirectional with rail-to-rail voltage handling. |
| 8 | V+ | Positive supply input - requires local 0.1µF ceramic bypass to GND; powers analog switches and logic core. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal range | Supports full-swing AC and DC signals from 0V to V+, eliminating level-shifting circuitry in sensor and audio interfaces. |
| Guaranteed RON flatness (1Ω) | Maintains consistent gain and linearity across the entire analog input range - critical for precision measurement and calibration circuits. |
| Low charge injection (2pC) | Minimizes voltage glitch on sampled nodes during switching - essential for high-resolution SAR ADC front-ends and sample-and-hold hold capacitors. |
| High off-isolation (–80dB at 1MHz) | Prevents crosstalk between active and inactive channels in multi-channel routing - improves SNR in dense analog multiplexers. |
| Sub-0.01µW quiescent power | Enables always-on signal path control in ultra-low-power IoT endpoints without measurable battery drain impact. |
Applications
| Battery-Powered Portable Audio | Low-Voltage Data Acquisition |
|---|---|
Use Scenario: Routing microphone, line-in, and DAC output signals in handheld medical monitors and wireless headsets. IC Role / Device Role / Timing Role: Dual SPST analog switch providing isolated signal path selection with no DC bias shift or harmonic distortion. Use Value: Enables compact, single-supply audio routing with 0.018% THD and rail-to-rail swing - preserving voice clarity and dynamic range. | Use Scenario: Multiplexing multiple sensor outputs (thermocouple, RTD, strain gauge) into a shared ADC input in field-deployed environmental sensors. IC Role / Device Role / Timing Role: Precision analog switch with matched RON and sub-nA leakage, ensuring measurement repeatability across channels. Use Value: Delivers 0.6Ω RON matching and <0.35nA leakage - minimizing channel-to-channel gain/offset errors in 16-bit+ systems. |
| Sample-and-Hold Circuits | Communications Signal Routing |
Use Scenario: Controlling acquisition window timing in precision analog-to-digital conversion stages for oscilloscopes and spectrum analyzers. IC Role / Device Role / Timing Role: Fast-switching (18ns tON) NO switch isolating hold capacitor from input during sampling phase. Use Value: 2pC charge injection prevents hold-step error; 1Ω RON flatness ensures linear settling across full input range. | Use Scenario: Selecting between RF front-end test points, antenna diversity paths, or baseband I/Q signal chains in small-cell BTS and test equipment. IC Role / Device Role / Timing Role: Low-crosstalk (–97dB at 1MHz) analog switch enabling clean isolation between sensitive receive and transmit paths. Use Value: –80dB off-isolation and –97dB crosstalk suppress interference - maintaining signal integrity in multi-band FDD/TDD systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG701BRMZ-REEL | Single SPST, 4Ω RON, +1.8V to +5.5V, but only one switch per package - requires two units for dual functionality. | Not pin-compatible; occupies double PCB area and increases BOM count versus MAX4641EUA+TG24's integrated dual configuration. | Select when needing higher channel independence or ADI ecosystem alignment; not drop-in replacement. |
| TS5A23157DCUR | Dual SPST, 0.9Ω RON at +3.3V, but RON rises to 1.8Ω at +1.8V - less stable low-voltage performance than MAX4641EUA+TG24's 30Ω typ at +1.8V. | Higher leakage (1nA typ) and no guaranteed RON matching - unsuitable for precision matched-channel applications. | Consider for cost-sensitive consumer audio where ultra-low RON stability isn't required; verify thermal drift in extended temperature range. |
Compared with ADG701BRMZ-REEL and TS5A23157DCUR, the MAX4641EUA+TG24 uniquely delivers guaranteed dual-channel RON matching (0.6Ω), rail-to-rail operation down to +1.8V with characterized 30Ω RON, and µMAX-8 footprint - making it optimal for space-constrained, precision-matched analog routing where layout efficiency and parametric consistency are critical.
Availability
MAX4641EUA+TG24 is available at Aetrix Electronics and suitable for battery-operated equipment, low-voltage data-acquisition systems, and audio signal routing requiring stable component supply across industrial and medical OEM programs.
Supply support for MAX4641EUA+TG24 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.
The MAX4641EUA+TG24 belongs to Maxim's high-speed analog switch product line, engineered specifically for low-voltage, low-distortion signal routing in portable and precision measurement systems where rail-to-rail operation and parametric matching are essential.
FAQ
What is the maximum supply voltage rating for the MAX4641EUA+TG24?
The MAX4641EUA+TG24 has an absolute maximum supply voltage (V+) rating of +6V, but its specified operational range is +1.8V to +5.5V. Operation above +5.5V risks permanent damage and violates the guaranteed electrical specifications - including RON, leakage, and switching times - documented in the official datasheet. Always maintain V+ within the +4.5V to +5.5V range for full parameter compliance.
Does the MAX4641EUA+TG24 support rail-to-rail analog signal operation?
Yes, the MAX4641EUA+TG24 supports true rail-to-rail analog signal operation: its COM, NO, and NC pins handle voltages from 0V to V+ across the full temperature range. This capability is enabled by its CMOS transmission-gate architecture and internal level-shifting logic, allowing undistorted passage of baseband audio, sensor outputs, and DAC signals without external biasing - a confirmed feature verified in the "General Description" and "Electrical Characteristics" sections of the MAX4641EUA+TG24 datasheet.
What is the typical on-resistance of the MAX4641EUA+TG24 at +1.8V supply?
The typical on-resistance (RON) of the MAX4641EUA+TG24 at +1.8V supply is 30Ω over temperature, as explicitly stated in the "Features" section of the datasheet. While the device guarantees 4Ω max at +5V and 8Ω max at +3V, the +1.8V RON is specified only typically - meaning actual units may vary, but 30Ω represents the expected median value under standard test conditions (ICOM = 10mA, VCOM = 0 to V+).
Is the MAX4641EUA+TG24 pin-compatible with the MAX4642EUA or MAX4643EUA?
Yes, the MAX4641EUA+TG24 shares identical pinout and package (8-pin µMAX) with the MAX4642EUA and MAX4643EUA - all three devices use the same physical layout and terminal assignments. However, their internal switch configurations differ: MAX4641EUA+TG24 contains two normally open (NO) switches, MAX4642EUA has two normally closed (NC), and MAX4643EUA integrates one NO and one NC. Swapping them requires verifying control logic polarity and signal path behavior.
What is the charge injection specification for the MAX4641EUA+TG24?
The MAX4641EUA+TG24 has a guaranteed charge injection of 2pC, measured under standard conditions (V+ = 5V, VCOM = 1V or 4.5V, CL = 1000pF). This low value minimizes voltage glitches on high-impedance nodes such as sample-and-hold capacitors or precision amplifier inputs - a key parameter validated in the "Dynamic Characteristics" table and confirmed in Figure 4 of the MAX4641EUA+TG24 datasheet.
MAX4641EUA+TG24 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4641EUA+TG24 FAQ
1.How can I place an order for MAX4641EUA+TG24 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4641EUA+TG24 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 MAX4641EUA+TG24 reliable?
The price and inventory of MAX4641EUA+TG24 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4641EUA+TG24 is usually 5 days.
3.What payment methods are accepted for MAX4641EUA+TG24?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4641EUA+TG24 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4641EUA+TG24?
MAX4641EUA+TG24 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4641EUA+TG24 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 MAX4641EUA+TG24?
For technical support, including MAX4641EUA+TG24 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4641EUA+TG24 requirements.
6.How does Aetrix verify that MAX4641EUA+TG24 is sourced from the original manufacturer or authorized distributors?
All MAX4641EUA+TG24 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 MAX4641EUA+TG24 meets industry standards.
7.What is the process for return or replacement of MAX4641EUA+TG24?
All MAX4641EUA+TG24 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4641EUA+TG24, 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 MAX4641EUA+TG24 part is unused and in its original packaging.
Return procedure for MAX4641EUA+TG24:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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