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Analog Devices Inc./Maxim Integrated MAX4704EGC+
- Part No.:
- MAX4704EGC+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-VFQFN Exposed Pad
- Datasheet:
-
MAX4704EGC+.pdf
- Description:
- IC SWITCH SP4T X 1 60OHM 12QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,281
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Product details
Overview
MAX4704EGC+ from Maxim Integrated is a low-voltage, 4-channel analog multiplexer (4:1) with rail-to-rail signal handling, 60Ω max on-resistance at +2.7V, 60ns turn-on time, and break-before-make switching. It operates from a single +1.8V to +5.5V supply and is optimized for battery-powered audio/video routing in portable electronics.
For engineers reviewing the MAX4704EGC+ datasheet, MAX4704EGC+ pinout, MAX4704EGC+ application, or MAX4704EGC+ equivalent, key selection criteria include guaranteed RON matching (≤3Ω), low charge injection (≤3pC), -90dB crosstalk at 1MHz, and QFN-EP package thermal performance for compact, low-power designs.
Technical Context
The MAX4704EGC+ implements a CMOS-based 4:1 analog switch matrix with dual address inputs (ADDA/ADDB) and an active-low inhibit (INH) control, enabling precise channel selection and global disable. Its break-before-make architecture prevents momentary shorting between channels during switching transitions.
It supports rail-to-rail analog signals from GND to V+, maintains ≤5Ω RON flatness over full signal range, and delivers >200MHz -3dB bandwidth-enabling high-fidelity audio and broadband data-acquisition signal routing without distortion or attenuation.
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 |
| 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 - guarantees consistent gain and phase response across all 4 switched paths |
| Charge Injection | 3pC max - limits voltage glitch on COM node during switching, critical for sample-and-hold and ADC front-end stability |
| Crosstalk | -90dB at 1MHz - suppresses interference between active and inactive channels in multi-signal systems |
| Off-Isolation | -85dB at 1MHz - blocks leakage from off-channels into sensitive analog nodes like microphone preamps |
| Switching Time (tON/tOFF) | 60ns / 20ns at +3V - supports fast multiplexing in real-time data acquisition and digital audio switching |
Pinout & Package
The MAX4704EGC+ is housed in a 12-pin QFN-EP (3mm × 3mm) package with exposed pad thermally connected to GND. The EP improves thermal dissipation and reduces junction temperature rise under sustained load.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply input | Accepts +1.8V to +5.5V; powers internal CMOS switches and logic; must be applied before analog signals |
| GND | Ground reference | Return path for supply and analog signals; connects to exposed pad for thermal management |
| COM | Common analog terminal | Bidirectional I/O node shared across all 4 switched paths; handles rail-to-rail signals |
| NO0–NO3 | Normally-open analog inputs | Four independent analog inputs; only one connects to COM per address state; no internal pull-downs |
| ADDA / ADDB | Dual-bit binary address inputs | Selects channel (0–3); TTL/CMOS compatible; logic thresholds scale with V+ (VIH = 0.7×V+, VIL = 0.3×V+) |
| INH | Active-low inhibit control | When high, disconnects all NOx paths from COM; when low, enables normal address decoding |
| N.C. | No connection | Pins 2 and 8 are unconnected internally; must be left floating or tied to GND for mechanical stability |
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 sensors and audio codecs |
| Break-before-make switching | Guaranteed tBBM ≥ 2ns - eliminates channel-to-channel shorting during address changes, preventing signal corruption in mixed-signal systems |
| Low THD (0.02%) | Minimizes harmonic generation in audio paths - preserves fidelity in MP3 players and cellular phone handsets |
| 1.8V logic compatibility | Operates with VIH ≤ 1.4V at +2.7V supply - allows direct interfacing with ultra-low-voltage microcontrollers and FPGAs |
| Exposed thermal pad (QFN-EP) | Reduces θJA to 105°C/W - sustains 952mW power dissipation at +70°C ambient, supporting high-duty-cycle routing |
Applications
| MP3 Player Signal Routing | Battery-Powered Data Acquisition |
|---|---|
Use Scenario: Switching between multiple audio sources (DAC output, line-in, mic-in) to a single codec input in portable music players. IC Role / Device Role / Timing Role: 4:1 analog multiplexer providing low-distortion, low-leakage signal path selection under 1.8V logic control. Use Value: Enables compact, single-supply design with <0.02% THD and -90dB crosstalk - preserving stereo separation and dynamic range. |
Use Scenario: Multiplexing outputs from 4 temperature/pressure sensors into a shared ADC channel in handheld test equipment. IC Role / Device Role / Timing Role: Low-leakage (≤1nA off-state), low-RON flatness (≤5Ω) analog switch ensuring measurement accuracy across full signal range. Use Value: Delivers ≤0.1% gain error variation and <3pC charge injection - minimizing settling time and offset drift in precision sampling. |
| Cellular Phone Audio Path | PCMCIA Card Interface |
Use Scenario: Routing earpiece, speaker, headset, and Bluetooth audio paths through a single baseband processor interface in GSM/UMTS handsets. IC Role / Device Role / Timing Role: High-bandwidth (>200MHz) analog switch with -85dB off-isolation to prevent RF coupling and noise injection. Use Value: Maintains >70dB SNR in receive path and avoids audible click/pop via controlled break-before-make timing. |
Use Scenario: Isolating and selecting analog functions (modem line driver, audio codec, smartcard interface) within PCMCIA Type II card slots. IC Role / Device Role / Timing Role: Low-capacitance (15pF COM-off, 7pF NO-off) switch minimizing signal integrity degradation at 10–20MHz bus speeds. Use Value: Supports hot-plug operation with <100pA leakage at +85°C - ensuring reliable function detection and reduced standby current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4702EUB+ | 10-pin µMAX package; identical electrical specs but larger footprint and higher θJA (170°C/W vs. 105°C/W) | Limited board space in ultra-thin devices; less efficient thermal performance in high-density layouts | Choose MAX4702EUB+ only if QFN assembly capability is unavailable or legacy µMAX footprint must be retained. |
| TMUX1104DCUR | Lower RON (0.5Ω typ at 3.3V) but higher leakage (±20nA), no break-before-make guarantee, and 1.2V–5.5V supply range | Higher precision DC-coupled sensing where leakage dominates; unsuitable for audio due to undefined switching behavior | Prefer TMUX1104DCUR for low-offset instrumentation; retain MAX4704EGC+ for audio, telecom, or any application requiring guaranteed break-before-make and <100pA leakage. |
Compared with MAX4702EUB+, the MAX4704EGC+ offers superior thermal performance and smaller footprint; compared with TMUX1104DCUR, it provides verified break-before-make timing and lower leakage-making it the preferred choice for battery-powered audio and communication circuits demanding reliability and signal integrity.
Availability
MAX4704EGC+ 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 traceable sourcing.
Supply support for MAX4704EGC+ 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 MAX4704EGC+ belongs to Maxim's low-voltage analog switch product line, designed specifically for space-constrained, battery-operated systems requiring rail-to-rail signal integrity, ultra-low power, and robust ESD tolerance (>2kV).
FAQ
What is the maximum supply voltage rating for the MAX4704EGC+?
The MAX4704EGC+ has an absolute maximum V+ rating of +6V. Operation beyond this voltage risks permanent damage. The device is specified for reliable operation from +1.8V to +5.5V; at +5.5V, RON drops to 40Ω max and leakage remains ≤5nA. Always apply V+ before analog signals to avoid latch-up or diode conduction.
Does the MAX4704EGC+ support rail-to-rail analog signal switching?
Yes, the MAX4704EGC+ supports rail-to-rail analog signal handling from GND to V+. Its CMOS switch architecture maintains low and consistent RON across the full voltage range - confirmed by typical operating characteristics showing <5Ω flatness at +3V and +5V supplies. This enables accurate switching of full-scale sensor outputs and audio waveforms without clipping.
What is the guaranteed break-before-make interval for the MAX4704EGC+?
The MAX4704EGC+ guarantees a break-before-make (BBM) interval of ≥2ns under all conditions (V+ = +2.7V to +5.5V, TA = -40°C to +85°C). This is measured with RL = 300Ω and CL = 35pF per Figure 4 of the datasheet. BBM prevents momentary shorts between channels during address transitions - critical for avoiding signal corruption in audio and data paths.
How does the exposed pad (EP) on the MAX4704EGC+ QFN package function?
The exposed pad on the MAX4704EGC+ QFN package is internally connected to GND and must be soldered to a large PCB ground plane. It reduces thermal resistance (θJA = 105°C/W), enabling 952mW continuous power dissipation at +70°C ambient. It is not an electrical signal node - no traces or vias should route signals to the EP; only thermal vias to inner ground layers are recommended.
Can the MAX4704EGC+ operate with 1.8V logic inputs while powered from a 3.3V supply?
Yes, the MAX4704EGC+ supports 1.8V CMOS logic compatibility when V+ = +2.7V to +3.3V: VIH is guaranteed ≥1.4V and VIL ≤0.5V. This allows direct interfacing with 1.8V microcontrollers without level shifters. At +3.3V supply, input leakage stays ≤±1µA, and address transition time remains ≤70ns - ensuring robust, low-power digital control.
MAX4704EGC+ 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:
- 12-QFN (3x3)
MAX4704EGC+ FAQ
1.How can I place an order for MAX4704EGC+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4704EGC+ 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+ reliable?
The price and inventory of MAX4704EGC+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4704EGC+ is usually 5 days.
3.What payment methods are accepted for MAX4704EGC+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4704EGC+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4704EGC+?
MAX4704EGC+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4704EGC+ 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+?
For technical support, including MAX4704EGC+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4704EGC+ requirements.
6.How does Aetrix verify that MAX4704EGC+ is sourced from the original manufacturer or authorized distributors?
All MAX4704EGC+ 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+ meets industry standards.
7.What is the process for return or replacement of MAX4704EGC+?
All MAX4704EGC+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4704EGC+, 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+ part is unused and in its original packaging.
Return procedure for MAX4704EGC+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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