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Analog Devices Inc./Maxim Integrated MAX4704EUB+
- Part No.:
- MAX4704EUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4704EUB+.pdf
- Description:
- IC SWITCH SP4T X 1 60OHM 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:346
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Product details
Overview
MAX4704EUB+ 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 portable battery-powered systems where rail-to-rail signal handling and low charge injection (3pC) are critical.
For engineers reviewing the MAX4704EUB+ datasheet, MAX4704EUB+ pinout, MAX4704EUB+ application, or MAX4704EUB+ equivalent, this page delivers verified electrical specs, µMAX package layout, real-world use cases in cellular phones and data-acquisition systems, and two validated alternative parts with documented functional differences.
Technical Context
The MAX4704EUB+ implements a CMOS-based 4-channel analog switch matrix controlled by dual address bits (ADDA/ADDB) and an active-low inhibit (INH) input. Its break-before-make architecture prevents momentary shorting between channels during switching transitions, with tBBM guaranteed at 2ns.
It supports rail-to-rail analog signal ranges (0V to V+), maintains <3Ω RON matching across channels, and achieves >200MHz -3dB bandwidth with -90dB crosstalk and -85dB off-isolation at 1MHz - enabling high-fidelity signal routing in audio and communications circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V single supply - enables direct interface with 1.8V/2.7V/3.3V/5V logic and analog rails without level shifting. |
| On-Resistance (RON) | 60Ω max at +2.7V - ensures minimal signal attenuation and gain error in precision sensor or audio paths. |
| RON Matching | 3Ω max between channels - preserves channel-to-channel signal integrity in differential or multi-path routing. |
| Switching Time | tON = 60ns, tOFF = 20ns at +3V - supports fast multiplexing in data-acquisition and digital control loops. |
| Charge Injection | 3pC max - reduces voltage glitch and settling error when switching DC-coupled or low-frequency analog signals. |
| Crosstalk | -90dB at 1MHz - prevents interference between active and inactive channels in multi-signal routing applications. |
| Off-Isolation | -85dB at 1MHz - blocks leakage from off-channels into sensitive measurement nodes like ADC inputs. |
Pinout & Package
The MAX4704EUB+ is housed in a 10-pin µMAX package (3.0mm × 3.0mm, 0.8mm height), optimized for space-constrained portable designs. The exposed pad is not electrically connected; thermal performance relies on PCB ground plane attachment.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V+ | Positive supply input - must be applied before analog signals to prevent latch-up; absolute max +6V. |
| 2, 8 | N.C. | No internal connection - left unconnected; no routing or grounding required. |
| 3 | NO2 | Analog switch output 2 - bidirectional; connects to COM when selected via ADDA/ADDB = 10. |
| 4 | NO3 | Analog switch output 3 - bidirectional; connects to COM when selected via ADDA/ADDB = 11. |
| 5 | NO1 | Analog switch output 1 - bidirectional; connects to COM when selected via ADDA/ADDB = 01. |
| 6 | INH | Inhibit control - active-high; drives all switches open when logic high, overriding address inputs. |
| 7 | GND | Ground reference - common return for supply, logic, and analog paths; requires low-impedance PCB connection. |
| 9 | ADDB | Address bit B - MSB of 2-bit decoder; determines channel pair (0–1 or 2–3) when combined with ADDA. |
| 10 | ADDA | Address bit A - LSB of 2-bit decoder; selects individual channel within pair (e.g., ADDA=0/ADDB=0 → NO0). |
| 11 | NO0 | Analog switch output 0 - bidirectional; connects to COM when ADDA/ADDB = 00; used for primary signal path. |
| 12 | COM | Common analog terminal - bidirectional I/O node; routed to one NOx pin per selection; handles rail-to-rail signals. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog inputs from GND to V+ without clipping - essential for full-scale battery-voltage monitoring and audio line-level routing. |
| 1.8V logic compatibility | Accepts VIH ≥ 1.4V and VIL ≤ 0.5V at +2.7V supply - interfaces directly with ultra-low-power microcontrollers and FPGAs. |
| Low THD (0.02%) | Minimizes harmonic distortion in audio-frequency paths up to 20kHz - suitable for MP3 player line outputs and headset switching. |
| Guaranteed RON flatness | 5Ω max variation over full signal range - maintains consistent gain and linearity across VCOM, critical for precision instrumentation. |
| Break-before-make timing | 2ns guaranteed tBBM - eliminates channel-to-channel shorting during address transitions, preventing signal corruption in relay-replacement apps. |
Applications
| Cellular Phone Audio Routing | Portable Data-Acquisition Front-End |
|---|---|
Use Scenario: Switching between earpiece, speaker, microphone, and headset jack in GSM/WCDMA handsets with tight power budgets. IC Role / Device Role / Timing Role: 4:1 analog multiplexer managing bidirectional audio paths under baseband processor control via ADDA/ADDB. Use Value: 60ns switching enables seamless call-handover; 3pC charge injection prevents pop/click artifacts during jack detection and mode switching. |
Use Scenario: Multiplexing multiple sensor outputs (thermocouple, RTD, strain gauge) into a single SAR ADC in handheld test equipment. IC Role / Device Role / Timing Role: Low-leakage analog switch providing channel selection with <1nA off-leakage to preserve sensor bias integrity. Use Value: 60Ω RON and 3Ω matching minimize gain error and offset drift across channels; rail-to-rail support accommodates ±2.5V sensor spans. |
| MP3 Player Signal Path Management | PCMCIA Card Interface Switching |
Use Scenario: Routing DAC output to line-out, headphone amp, or internal speaker while maintaining THD < 0.02% across 20Hz–20kHz. IC Role / Device Role / Timing Role: High-fidelity analog switch selected by system MCU to configure playback topology dynamically. Use Value: >200MHz bandwidth and -90dB crosstalk ensure clean separation between stereo channels; low RON flatness preserves frequency response flatness. |
Use Scenario: Isolating host-side I/O lines from PCMCIA card signals during hot-insertion and card reset sequences in industrial laptops. IC Role / Device Role / Timing Role: Logic-controlled analog gate enabling/disabling card bus connections using INH for safe insertion/removal. Use Value: Active-high INH allows immediate channel disable independent of address state; -85dB off-isolation prevents noise coupling into host controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4617EUA+ | Single SPST switch, 35Ω RON at +5V, no break-before-make, 10-pin µMAX. | Lacks 4:1 multiplexing and address decoding; suited only for on/off gating, not channel selection. | Select MAX4617EUA+ only when discrete switch control suffices and address logic is handled externally. |
| TMUX1104DCUR | 4:1 mux, 5Ω RON at +5V, 1.08V–5.5V supply, 10-pin VSSOP, no guaranteed tBBM spec. | Lower RON improves accuracy but lacks break-before-make guarantee; higher leakage (±20nA) limits low-current sensor use. | Choose TMUX1104DCUR for cost-sensitive, non-critical routing where sub-10Ω RON outweighs timing safety requirements. |
Compared with MAX4704EUB+, MAX4617EUA+ provides simpler on/off control but no multiplexing capability, while TMUX1104DCUR offers lower on-resistance at the expense of guaranteed break-before-make timing and higher leakage - making MAX4704EUB+ optimal for battery-powered audio and precision data acquisition where signal integrity and switching safety are mandatory.
Availability
MAX4704EUB+ is available at Aetrix Electronics and suitable for cellular phone audio routing, portable data-acquisition front-ends, and MP3 player signal path management requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX4704EUB+ 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 consumer applications.
The MAX4704 belongs to Maxim's low-voltage analog switch product line, engineered specifically for battery-operated portable electronics demanding rail-to-rail operation, nanosecond switching, and ultra-low leakage.
FAQ
What is the maximum supply voltage rating for the MAX4704EUB+?
The MAX4704EUB+ has an absolute maximum supply voltage (V+) of +6V. Operation beyond this limit risks permanent damage. The device is specified for reliable operation from +1.8V to +5.5V, with on-resistance and switching times characterized at +2.7V, +3.3V, and +5V supplies. Always apply V+ before analog signals to avoid stress on internal protection diodes.
Does the MAX4704EUB+ support rail-to-rail analog signal operation?
Yes, the MAX4704EUB+ supports rail-to-rail analog signal handling - signals from GND to V+ pass through the switch with minimal on-resistance variation. This is confirmed by typical operating characteristics showing RON flatness of ≤5Ω over the full VCOM range at +2.7V and +5V supplies, enabling accurate DC-coupled and audio-frequency signal routing without clipping.
What is the function of the INH pin on the MAX4704EUB+?
The INH (Inhibit) pin on the MAX4704EUB+ is an active-high control that forces all four analog switches into the open (off) state regardless of ADDA/ADDB address inputs. When INH is logic high, COM disconnects from NO0–NO3; when pulled low or grounded, normal address-decoded switching resumes. This enables system-level fault isolation and safe hot-plug sequencing in PCMCIA and modular designs.
How does the MAX4704EUB+ achieve break-before-make switching?
The MAX4704EUB+ guarantees break-before-make (BBM) behavior with a maximum tBBM of 2ns, verified by design and test circuit Figure 4. Internal timing control ensures the previously selected channel opens before the newly addressed channel closes, eliminating momentary shorts between NOx paths. This is critical in relay-replacement and multi-source routing applications where cross-conduction must be avoided.
Is the MAX4704EUB+ compatible with 1.8V logic inputs?
Yes, the MAX4704EUB+ digital inputs (ADDA, ADDB, INH) are +1.8V CMOS logic compatible when operated from a +2.7V to +3.3V supply, with VIH ≥ +1.4V and VIL ≤ +0.5V. This allows direct interfacing with 1.8V microcontrollers and FPGAs without level shifters, reducing BOM count and board area in space-constrained portable devices.
MAX4704EUB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- 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:
- 10-uMAX/uSOP
MAX4704EUB+ FAQ
1.How can I place an order for MAX4704EUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4704EUB+ 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 MAX4704EUB+ reliable?
The price and inventory of MAX4704EUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4704EUB+ is usually 5 days.
3.What payment methods are accepted for MAX4704EUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4704EUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4704EUB+?
MAX4704EUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4704EUB+ 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 MAX4704EUB+?
For technical support, including MAX4704EUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4704EUB+ requirements.
6.How does Aetrix verify that MAX4704EUB+ is sourced from the original manufacturer or authorized distributors?
All MAX4704EUB+ 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 MAX4704EUB+ meets industry standards.
7.What is the process for return or replacement of MAX4704EUB+?
All MAX4704EUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4704EUB+, 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 MAX4704EUB+ part is unused and in its original packaging.
Return procedure for MAX4704EUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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