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Analog Devices Inc./Maxim Integrated MAX4704EGC+T
- Part No.:
- MAX4704EGC+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-VFQFN Exposed Pad
- Datasheet:
-
MAX4704EGC+T.pdf
- Description:
- IC SWITCH SP4T X 1 60OHM 12QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,247
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Product details
Overview
MAX4704EGC+T from Maxim Integrated is a low-voltage, 4:1 analog multiplexer IC operating from a single +1.8V to +5.5V supply, featuring 60Ω max on-resistance at +2.7V, 60ns turn-on time, and break-before-make switching. It routes audio/video or sensor signals in battery-powered portable devices requiring rail-to-rail signal handling and minimal charge injection (3pC).
For engineers reviewing the MAX4704EGC+T datasheet, MAX4704EGC+T pinout, MAX4704EGC+T application, or MAX4704EGC+T equivalent, this page delivers verified electrical specs, QFN-EP package details, real-world use cases in MP3 players and cellular phones, and two confirmed alternative parts with functional trade-offs.
Technical Context
The MAX4704EGC+T implements a CMOS-based 4-channel analog switch matrix with dual address inputs (ADDA/ADDB) and an inhibit control (INH) enabling full channel selection or global disable. Its break-before-make architecture prevents momentary shorting during channel transitions, critical for signal integrity in data-acquisition paths.
It supports rail-to-rail analog signals (0V to V+), maintains <5Ω on-resistance flatness over the full input range, and achieves >200MHz -3dB bandwidth-enabling high-fidelity audio routing and low-distortion (<0.02% THD) signal switching without external buffering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V single supply - enables direct interface with 1.8V/3.3V/5V logic and battery systems without level shifters. |
| On-Resistance (RON) | 60Ω max at +2.7V - ensures minimal signal attenuation and gain error in precision sensor or audio signal paths. |
| RON Matching | 3Ω max between channels - guarantees consistent gain and phase response across all four switched paths. |
| Switching Time (tON/tOFF) | 60ns / 20ns at +3V - supports fast channel reconfiguration in real-time data acquisition and communication circuits. |
| Charge Injection | 3pC max - reduces voltage glitch and settling error in sample-and-hold or ADC front-end applications. |
| Off-Isolation | -85dB at 1MHz - suppresses crosstalk from inactive channels into active signal paths in multi-source routing. |
| Bandwidth (-3dB) | >200MHz - preserves fidelity of wideband audio, video, and baseband communications signals. |
Pinout & Package
MAX4704EGC+T is housed in a 12-pin QFN-EP (3mm × 3mm) package with exposed thermal pad connected internally to GND. The package supports high-density PCB layouts and efficient heat dissipation in compact portable electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Accepts +1.8V to +5.5V; must be applied before analog signals to prevent latch-up or ESD damage. |
| GND | Ground reference | Reference for all analog and digital signals; connects to exposed pad for thermal and noise performance. |
| COM | Common analog terminal | Bidirectional path shared across all four NOx switches; handles rail-to-rail signals up to V+. |
| NO0–NO3 | Normally-open analog switch terminals | Four independent input/output paths; only one connects to COM per address state (00–11). |
| ADDA / ADDB | Digital address inputs | Binary-select pins (A = LSB, B = MSB); TTL- and 1.8V-CMOS-compatible at respective supply voltages. |
| INH | Inhibit control | Active-high enable/disable: logic high disconnects all switches regardless of address state. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog inputs from GND to V+ without clipping or distortion - essential for full-scale battery-supplied sensor outputs. |
| Break-before-make switching | Guaranteed 2ns minimum tBBM prevents momentary short-circuits during channel transitions - protects downstream circuitry. |
| Low 3pC charge injection | Minimizes voltage step errors when switching high-impedance nodes (e.g., ADC inputs or op-amp integrators). |
| 1.8V logic compatibility | Accepts 1.8V logic thresholds at +2.7V to +3.3V supply - eliminates need for external level translators in modern low-voltage SoC interfaces. |
| -90dB crosstalk at 1MHz | Ensures isolation between active and inactive channels in multi-signal routing (e.g., stereo audio or dual-sensor readout). |
Applications
| MP3 Players | Battery-Operated Equipment |
|---|---|
|
Use Scenario: Routing left/right audio channels between DAC output, headphone amplifier, and line-out jack. IC Role / Device Role / Timing Role: 4:1 analog multiplexer selecting signal path under microcontroller control. Use Value: 60Ω RON and <0.02% THD preserve audio fidelity; 1.8V logic compatibility reduces power supply complexity. |
Use Scenario: Switching between multiple sensors (temperature, accelerometer, microphone) into a shared ADC input. IC Role / Device Role / Timing Role: Low-leakage (100pA max) analog switch enabling accurate DC-coupled measurements. Use Value: 3pC charge injection minimizes settling error; 60ns switching allows rapid sensor polling in ultra-low-power modes. |
| Cellular Phones | Communications Circuits |
|
Use Scenario: Selecting between primary and secondary microphone inputs or antenna diversity paths in RF front-end modules. IC Role / Device Role / Timing Role: High-bandwidth (>200MHz) analog switch supporting voice and narrowband RF signal routing. Use Value: -85dB off-isolation prevents interference leakage; small 3mm × 3mm QFN footprint saves board space. |
Use Scenario: Configuring test signal paths in modem or baseband processor evaluation boards with multiple analog I/O options. IC Role / Device Role / Timing Role: Precision analog multiplexer used in automatic test equipment (ATE) signal conditioning stages. Use Value: 3Ω RON matching ensures channel-to-channel gain consistency; INH pin enables global signal gating during calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4703EUB+ | 10-pin µMAX package; identical electrical specs but no exposed thermal pad; 10-pin vs. 12-pin pinout. | Preferred where board space permits larger µMAX footprint and thermal pad is not required. | Select MAX4703EUB+ only if QFN assembly capability is unavailable and thermal load is low. |
| TMUX1308PWR | 8-channel, 1.8V–5.5V supply; 4.5Ω typical RON at 3.3V; higher bandwidth (300MHz); different pinout and address logic. | Suitable for designs needing more channels or lower RON, but requires PCB redesign and firmware update. | Choose TMUX1308PWR only when expanding channel count or reducing on-resistance is prioritized over drop-in replacement. |
Compared with MAX4704EGC+T, MAX4703EUB+ offers identical analog performance in a legacy package but lacks thermal efficiency, while TMUX1308PWR provides greater channel density and bandwidth at the cost of non-pin-compatible layout changes and revised control logic.
Availability
MAX4704EGC+T is available at Aetrix Electronics and suitable for MP3 players, cellular phones, and low-voltage data-acquisition systems requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MAX4704EGC+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) designs precision analog, mixed-signal, and power-management ICs for industrial, automotive, and consumer applications.
The MAX4704 belongs to Maxim's low-voltage analog switch product line, engineered specifically for portable, battery-powered systems demanding rail-to-rail operation, ultra-low power, and minimal signal distortion.
FAQ
What is the maximum supply voltage rating for MAX4704EGC+T?
The absolute maximum supply voltage (V+) for MAX4704EGC+T is +6V. Operation beyond this risks permanent damage. The device is specified for reliable operation from +1.8V to +5.5V, with on-resistance and switching times optimized across that range. Exceeding +6V violates Absolute Maximum Ratings and may compromise internal ESD protection structures.
Does MAX4704EGC+T support bidirectional signal flow?
Yes, MAX4704EGC+T supports fully bidirectional analog signal routing. Both the COM and NOx terminals can serve as inputs or outputs, enabling flexible signal path configuration in applications like sensor multiplexing or audio loopback. This is inherent to its CMOS transmission-gate architecture and rail-to-rail design.
What is the function of the INH pin on MAX4704EGC+T?
The INH (Inhibit) pin on MAX4704EGC+T is an active-high global disable control. When pulled high (≥VIH), it forces all four analog switches into the open (off) state regardless of ADDA/ADDB address settings. When grounded or held low (≤VIL), normal address-controlled switching resumes. This enables fast system-level signal gating.
Can MAX4704EGC+T operate with a 1.8V logic supply?
Yes, MAX4704EGC+T supports 1.8V CMOS logic inputs when powered from a +2.7V to +3.3V supply. VIH is guaranteed at +1.4V min and VIL at +0.5V max under those conditions, ensuring robust interfacing with 1.8V microcontrollers and FPGAs without level-shifting circuitry.
What is the thermal pad connection requirement for MAX4704EGC+T?
The exposed pad (EP) of the MAX4704EGC+T QFN package is internally connected to GND and must be soldered to a large PCB ground plane. This connection is mandatory for thermal performance and electrical stability-not optional. Failure to connect the EP degrades power dissipation capability and may cause overheating or parametric drift.
MAX4704EGC+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SP4T
- Multiplexer/Demultiplexer Circuit:
- 4:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 60Ohm
- Channel-to-Channel Matching (ΔRon):
- 1Ohm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 60ns, 20ns
- -3db Bandwidth:
- 200MHz
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 7pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -90dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-QFN (3x3)
MAX4704EGC+T FAQ
1.How can I place an order for MAX4704EGC+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4704EGC+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 MAX4704EGC+T reliable?
The price and inventory of MAX4704EGC+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4704EGC+T is usually 5 days.
3.What payment methods are accepted for MAX4704EGC+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4704EGC+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4704EGC+T?
MAX4704EGC+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4704EGC+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 MAX4704EGC+T?
For technical support, including MAX4704EGC+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4704EGC+T requirements.
6.How does Aetrix verify that MAX4704EGC+T is sourced from the original manufacturer or authorized distributors?
All MAX4704EGC+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 MAX4704EGC+T meets industry standards.
7.What is the process for return or replacement of MAX4704EGC+T?
All MAX4704EGC+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4704EGC+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 MAX4704EGC+T part is unused and in its original packaging.
Return procedure for MAX4704EGC+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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