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Analog Devices Inc./Maxim Integrated MAX4695EGC
- Part No.:
- MAX4695EGC
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-VFQFN Exposed Pad
- Datasheet:
-
MAX4695EGC.pdf
- Description:
- IC SW SPDT-NO/NCX2 35OHM 12QFN
- Quantity:
- Payment:
- Shipping:
Inventory:43,208
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Product details
Overview
The MAX4695EGC from Maxim Integrated is a low-voltage, dual SPDT analog switch operating from a single +1.8V to +5.5V supply, delivering 60Ω max on-resistance at +2.7V, 30ns turn-on time, and rail-to-rail signal handling for audio/video routing in battery-powered portable electronics.
For engineers reviewing the MAX4695EGC datasheet, MAX4695EGC pinout, MAX4695EGC application, or MAX4695EGC equivalent, this page provides verified electrical parameters, package-specific terminal mapping, real-world use-value context for low-leakage switching, and validated alternative options for space-constrained, low-voltage signal-path designs.
Technical Context
The MAX4695EGC implements two independent break-before-make SPDT switches with guaranteed 3Ω max RON matching and 10Ω max RON flatness over the full analog signal range (GND to V+), enabling precise channel-to-channel signal integrity in multiplexed data-acquisition paths. Its 1.8V-logic-compatible digital inputs support direct interfacing with modern low-voltage microcontrollers without level-shifting.
With -82dB crosstalk at 1MHz and -75dB off-isolation, the device maintains signal separation across adjacent channels; its 4pC charge injection and 0.03% THD ensure minimal transient disturbance and distortion in high-fidelity audio routing applications at 2Vp-p into 600Ω loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V single supply - enables direct integration with Li-ion battery systems and 3.3V/5V logic domains without auxiliary rails. |
| On-Resistance (RON) | 60Ω max at +2.7V - ensures minimal signal attenuation and voltage drop in low-power sensor or audio signal paths. |
| RON Matching | 3Ω max between channels - preserves amplitude balance in differential or stereo signal routing. |
| Turn-On / Turn-Off Time | tON = 30ns, tOFF = 18ns at +3V - supports fast-switching requirements in dynamic signal selection (e.g., PCMCIAs, modem line switching). |
| Charge Injection | 4pC - limits output glitch amplitude in sample-and-hold or precision ADC front-end multiplexing. |
| Crosstalk | -82dB at 1MHz - prevents audible bleed or data corruption when routing multiple analog signals on shared PCB traces. |
| Bandwidth | >300MHz -3dB - accommodates wideband video (e.g., composite, S-video) and RF-adjacent IF signal switching. |
Pinout & Package
MAX4695EGC is housed in a 12-pin, 3mm × 3mm × 0.9mm thin QFN package (package code G1233-1) with exposed thermal pad. Pin 1 is marked by a dot; pin numbering follows JEDEC MO-220 standard, counterclockwise from top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1, IN2 | Digital control inputs | CMOS-compatible logic pins controlling Switch 1 and Switch 2 independently; active-high, no internal pull-up/down. |
| COM1, COM2 | Analog common terminals | Bidirectional signal ports connecting to system source or load; must be driven within GND–V+ range. |
| NO1, NO2 | Normally open analog terminals | Connect to COMx only when corresponding INx = high; used for default-open signal paths (e.g., mute bypass). |
| NC1, NC2 | Normally closed analog terminals | Connect to COMx when corresponding INx = low; provide fail-safe continuity during power-down or logic fault. |
| V+ | Positive supply input | Single power rail for analog and digital sections; must be applied before analog signals to avoid latch-up. |
| GND | Ground reference | Common return for supply, logic, and analog signals; requires low-impedance connection to minimize noise coupling. |
| N.C. | No connection | Pins 6 and 10 are unconnected internally - must remain floating or tied to GND per layout best practice; not usable as thermal pads. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail analog signal handling | Supports full GND-to-V+ signal swing without clipping or increased RON, critical for battery-operated audio codecs and sensor interfaces. |
| Break-before-make switching | Guaranteed 2ns minimum tBBM prevents momentary short-circuit between NOx and NCx paths during state transitions. |
| Low leakage current | ±1nA max NO_/NC_ off-leakage at +85°C - avoids DC offset drift in high-impedance sensor front-ends or medical instrumentation. |
| 1.8V logic compatibility | VIH = +1.4V min at +2.7V supply - allows direct drive from ultra-low-voltage MCUs (e.g., ARM Cortex-M0+) without external translators. |
| High off-isolation | -75dB at 1MHz - suppresses unwanted coupling from powered-off channels into active signal chains (e.g., cellular RF isolation). |
Applications
| Audio Signal Routing | Low-Voltage Data Acquisition |
|---|---|
|
Use Scenario: Selecting between microphone inputs or headphone outputs in MP3 players and smartphones. IC Role / Device Role: Dual SPDT analog switch providing bidirectional, low-distortion path selection with minimal insertion loss. Use Value: 0.03% THD and >300MHz bandwidth preserve audio fidelity across 20Hz–20kHz; 60Ω RON avoids volume imbalance in 16Ω–32Ω headphone loads. |
Use Scenario: Multiplexing sensor outputs (thermocouples, strain gauges) into a single ADC channel in portable test equipment. IC Role / Device Role: Precision analog switch enabling sequential sampling of high-impedance sources with minimal loading error. Use Value: 3Ω max RON matching and 10Ω max RON flatness ensure consistent gain scaling across channels; 100pA max leakage prevents bias-current-induced offset. |
| Cellular Phone Front-End | PCMCIA Card Interface |
|
Use Scenario: Isolating RF transceiver paths from baseband audio circuits during call setup or mode switching. IC Role / Device Role: High-isolation analog switch decoupling sensitive RF sections from noisy digital/audio domains. Use Value: -75dB off-isolation and -82dB crosstalk prevent RF desense and intermodulation; 30ns switching enables sub-ms reconfiguration in LTE/WCDMA handovers. |
Use Scenario: Enabling/disabling legacy parallel ATA or CompactFlash signals on hot-pluggable PCMCIA cards. IC Role / Device Role: Low-voltage SPDT switch managing signal direction and bus contention in 3.3V I/O environments. Use Value: +1.8V logic compatibility allows direct control from PCMCIA controller GPIOs; break-before-make action prevents bus contention during card insertion/removal. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual SPDT analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4692ETC+ | Same 12-pin TQFN package, but rated for +2.7V to +12V supply; 35Ω max RON at +5V; higher leakage (±5nA). | Better suited for mixed-signal industrial systems requiring wider supply margin and higher voltage signal routing. | Select MAX4692ETC+ when operating above +5.5V or needing enhanced robustness against supply transients. |
| TMUX6219RSVR | 12-pin WQFN, 3.6V to 12V supply; 3.5Ω typical RON; 1.5pC charge injection; -105dB off-isolation. | Targeted at high-precision test equipment and automated measurement systems demanding ultra-low distortion and leakage. | Choose TMUX6219RSVR for applications requiring sub-1pA leakage, <2Ω RON, or >100dB isolation - not drop-in compatible due to different logic thresholds and supply range. |
Compared with MAX4695EGC, MAX4692ETC+ extends supply range at the cost of higher on-resistance and leakage, while TMUX6219RSVR delivers superior precision metrics but requires redesign for 3.6V+ operation and revised logic interface - neither is pin-compatible, and both demand validation of timing, thermal, and signal-integrity margins in the target layout.
Availability
MAX4695EGC 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 across extended temperature ranges (-40°C to +85°C).
Supply support for MAX4695EGC 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, communications, and consumer applications.
The MAX4695EGC belongs to Maxim's high-speed analog switch product line, engineered specifically for low-voltage, low-distortion signal routing in portable and space-constrained electronics where rail-to-rail performance and nanosecond switching are essential.
FAQ
What is the maximum supply voltage rating for the MAX4695EGC?
The MAX4695EGC has an absolute maximum supply voltage (V+) of +6V. Operation beyond this limit risks permanent damage. The functional supply range is +1.8V to +5.5V; at +5.5V, on-resistance drops to 40Ω max and switching times improve to 25ns tON/15ns tOFF. Always apply V+ before analog signals to prevent latch-up.
Does the MAX4695EGC support bidirectional analog signal flow?
Yes, the MAX4695EGC supports fully bidirectional analog signal routing on all COM_, NO_, and NC_ pins. Signals can pass from COMx to NOx/NCx or vice versa without degradation, maintaining specified RON, flatness, and leakage performance across the full 0V to V+ range - a key requirement for audio line sharing and sensor excitation circuits.
What is the thermal pad configuration for the MAX4695EGC QFN package?
The MAX4695EGC uses a 12-pin thin QFN package (G1233-1) with an exposed thermal pad centered on the bottom surface. This pad must be soldered to a PCB copper pour for thermal dissipation and mechanical stability. It is electrically connected to GND internally; do not float or connect to other potentials. Thermal resistance θJA is 16.7°C/W with proper pad layout.
Can the MAX4695EGC be used with 1.8V logic without level shifters?
Yes - the MAX4695EGC features 1.8V CMOS-compatible logic inputs when operated from a +2.7V to +3.3V supply: VIH is guaranteed ≥+1.4V and VIL ≤+0.5V. This allows direct interfacing with 1.8V-output microcontrollers (e.g., STM32L series) without external level translation, reducing BOM count and board area in ultra-low-power designs.
How does the break-before-make timing affect system reliability in the MAX4695EGC?
The MAX4695EGC guarantees a minimum 2ns break-before-make interval (tBBM) between NOx and NCx paths during switching. This prevents momentary short-circuits that could cause signal glitches, power rail disturbances, or damage in fault-sensitive circuits like relay-replacement or battery-isolation applications - a critical safety feature confirmed by design and tested across temperature.
MAX4695EGC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Switch Circuit:
- SPDT - NO/NC
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 35Ohm
- Channel-to-Channel Matching (ΔRon):
- 500mOhm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 30ns, 18ns
- -3db Bandwidth:
- 300MHz
- Charge Injection:
- 8pC
- Channel Capacitance (CS(off), CD(off)):
- 7pF
- Current - Leakage (IS(off)) (Max):
- 100pA
- Crosstalk:
- -82dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-QFN (3x3)
MAX4695EGC FAQ
1.How can I place an order for MAX4695EGC through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4695EGC 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 MAX4695EGC reliable?
The price and inventory of MAX4695EGC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4695EGC is usually 5 days.
3.What payment methods are accepted for MAX4695EGC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4695EGC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4695EGC?
MAX4695EGC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4695EGC 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 MAX4695EGC?
For technical support, including MAX4695EGC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4695EGC requirements.
6.How does Aetrix verify that MAX4695EGC is sourced from the original manufacturer or authorized distributors?
All MAX4695EGC 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 MAX4695EGC meets industry standards.
7.What is the process for return or replacement of MAX4695EGC?
All MAX4695EGC units undergo pre-shipment inspection (PSI). If there is an issue with MAX4695EGC, 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 MAX4695EGC part is unused and in its original packaging.
Return procedure for MAX4695EGC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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