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Analog Devices Inc./Maxim Integrated MAX4695ETC+T
- Part No.:
- MAX4695ETC+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 12-WFQFN Exposed Pad
- Datasheet:
-
MAX4695ETC+T.pdf
- Description:
- IC SWITCH SPDT X 2 60OHM 12TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,016
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Product details
Overview
MAX4695ETC+T 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 portable electronics.
For engineers reviewing the MAX4695ETC+T datasheet, MAX4695ETC+T pinout, MAX4695ETC+T application, or MAX4695ETC+T equivalent, key selection criteria include guaranteed RON matching (≤3Ω), break-before-make timing (≤2ns), -82dB crosstalk at 1MHz, and 12-pin TQFN package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4695ETC+T implements two independent CMOS SPDT switches with break-before-make switching action, ensuring no signal shorting during state transitions. Its digital inputs are 1.8V-logic compatible when powered from +2.7V to +3.3V, and TTL-compatible at +5V.
Each switch supports bidirectional analog signal routing across the full supply range (GND to V+), with guaranteed RON flatness ≤10Ω and charge injection ≤4pC - critical for precision data-acquisition and low-distortion audio paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V single supply - enables direct integration with 1.8V/2.5V/3.3V/5V logic and analog rails without level shifters. |
| On-Resistance (RON) | 60Ω max at +2.7V - ensures minimal signal attenuation and gain error in low-voltage sensor or audio signal paths. |
| RON Matching | 3Ω max between channels - maintains amplitude balance in differential or stereo signal routing applications. |
| Turn-On / Turn-Off Time | tON = 30ns, tOFF = 18ns at +3V - supports high-speed multiplexing in data acquisition and communications circuits. |
| Crosstalk | -82dB at 1MHz - prevents audible interference or data corruption when routing adjacent audio or RF signals. |
| Off-Isolation | -75dB at 1MHz - blocks leakage from active to inactive channels, essential for relay replacement and signal integrity. |
| Charge Injection | 4pC max - minimizes voltage glitches at COM pins during switching, preserving accuracy in precision ADC front-ends. |
Pinout & Package
MAX4695ETC+T is housed in a 3mm × 3mm, 12-pin Thin QFN package with exposed thermal pad (TQFN-12), optimized for low-inductance layout and thermal performance in compact portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1, IN2 | Digital control inputs | CMOS/TTL-compatible logic inputs controlling Switch 1 and Switch 2 independently; low-threshold operation enables direct interfacing with 1.8V microcontrollers. |
| COM1, COM2 | Analog common terminals | Bidirectional signal ports - accept input or output signals spanning GND to V+, enabling flexible signal path configuration. |
| NO1, NO2 | Normally open analog terminals | Connect to COM when corresponding IN_ is high; used for active-path routing in multiplexer or relay-replacement topologies. |
| NC1, NC2 | Normally closed analog terminals | Connect to COM when corresponding IN_ is low; provides default signal path for fail-safe or standby routing. |
| V+ | Positive supply input | Single power rail supporting 1.8V–5.5V operation; powers both analog switch core and digital interface circuitry. |
| GND | Ground reference | Common return for analog signals, digital logic, and internal bias networks; must be low-impedance for THD & noise performance. |
| N.C. (Pins 6 & 10) | No connection | Unbonded die pads - must remain unconnected on PCB to avoid parasitic coupling or thermal stress. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from GND to V+ without clipping or distortion - eliminates need for external biasing in battery-powered audio systems. |
| Break-before-make switching | Guaranteed ≤2ns interval prevents momentary shorting between NO and NC paths - critical for avoiding signal transients in communication circuits. |
| -3dB bandwidth >300MHz | Enables clean switching of video, USB 1.1, or baseband RF signals without high-frequency roll-off or phase distortion. |
| Total harmonic distortion (THD) | 0.03% at 20Hz–20kHz - meets fidelity requirements for high-quality portable audio playback and recording paths. |
| Low leakage current | 100pA max off-leakage at +25°C - preserves signal integrity in high-impedance sensor interfaces and battery-monitoring circuits. |
Applications
| Audio Signal Routing | Portable Data Acquisition |
|---|---|
|
Use Scenario: Selecting between microphone and line-in inputs in MP3 players or Bluetooth headsets. IC Role / Device Role: Dual SPDT analog switch routing bidirectional audio paths with minimal added noise or distortion. Use Value: 0.03% THD and -82dB crosstalk preserve stereo separation and prevent audible switching artifacts during source changes. |
Use Scenario: Multiplexing multiple sensor outputs (e.g., temperature, pressure, accelerometer) into a single ADC channel. IC Role / Device Role: Low-leakage, low-RON analog switch enabling accurate DC-coupled measurements without gain/offset errors. Use Value: 100pA max off-leakage and 3Ω RON matching ensure <1 LSB error in 16-bit systems with high-source-impedance sensors. |
| Cellular Phone Front-End | PCMCIA Card Interface |
|
Use Scenario: Switching between cellular transceiver RF paths and auxiliary antennas or test points in smartphone RF modules. IC Role / Device Role: High-bandwidth analog switch providing >300MHz -3dB response for GSM/UMTS/LTE band signals. Use Value: 30ns tON/18ns tOFF and -75dB off-isolation minimize RF coupling and enable fast antenna calibration sequences. |
Use Scenario: Isolating host controller I/O lines from PCMCIA card signals during hot-plug insertion or removal. IC Role / Device Role: Low-capacitance (7pF NO_/NC_ off-capacitance) switch protecting host-side logic from ESD and transient events. Use Value: 7pF off-capacitance and 1.8V logic compatibility reduce signal reflections and ensure reliable enumeration under 3.3V PCMCIA bus timing. |
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 |
|---|---|---|---|
| ADG726BRUZ | Higher RON (85Ω max @ +3V), slower tON/tOFF (45ns/35ns), 16-pin TSSOP package | Larger footprint; less suitable for ultra-compact portable designs requiring <3mm × 3mm area | Preferred where higher voltage tolerance (+5.5V) and AEC-Q100 qualification are required over speed or size. |
| TS5A23157DCUR | Lower RON (0.9Ω typ @ +3V), but only 100mA continuous current rating vs. ±20mA for MAX4695ETC+T | Not rated for high-precision low-leakage applications - off-leakage is 1nA vs. 100pA for MAX4695ETC+T | Better for power-switching tasks; avoid in high-impedance sensor or audio paths where leakage-induced offset matters. |
Compared with ADG726BRUZ and TS5A23157DCUR, MAX4695ETC+T uniquely balances ultra-low leakage (100pA), tight RON matching (3Ω), and miniature 3mm × 3mm TQFN packaging - making it optimal for battery-operated audio and precision data-acquisition systems where board space and signal fidelity are jointly constrained.
Availability
MAX4695ETC+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 consistent parametric performance across production batches.
Supply support for MAX4695ETC+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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and consumer applications.
The MAX4695 belongs to Maxim's precision analog switch product line, engineered specifically for low-voltage, low-distortion signal routing in portable and battery-powered equipment where size, power, and fidelity are co-constrained.
FAQ
What is the maximum supply voltage rating for MAX4695ETC+T?
The absolute maximum supply voltage (V+) for MAX4695ETC+T is +6V, though operational specifications are guaranteed only up to +5.5V. Exceeding +6V risks permanent damage due to internal junction breakdown. The device operates reliably across its full specified range of +1.8V to +5.5V, with on-resistance and timing parameters characterized at +2.7V, +3V, +4.5V, and +5V supplies.
Does MAX4695ETC+T support bidirectional analog signal flow?
Yes, MAX4695ETC+T fully supports bidirectional analog signal routing: COM_, NO_, and NC_ pins may serve as either input or output depending on system topology. This is enabled by its symmetrical CMOS switch architecture and rail-to-rail voltage handling (GND to V+), allowing use in both source-selection and load-driving configurations without polarity constraints.
What is the guaranteed on-resistance matching between the two switches in MAX4695ETC+T?
MAX4695ETC+T guarantees ∆RON ≤ 3Ω maximum between its two SPDT switches when operated at +2.7V supply and 1mA load current. This matching is measured as RON(max) − RON(min) across channels and is critical for maintaining amplitude consistency in stereo audio or differential sensor applications.
Can MAX4695ETC+T be used with 1.8V logic controllers?
Yes, MAX4695ETC+T features 1.8V CMOS logic compatibility when powered from +2.7V to +3.3V supplies - its VIH threshold is +1.4V (min) and VIL is +0.5V (max), ensuring reliable recognition of 1.8V logic levels from microcontrollers or FPGAs without external level-shifting circuitry.
What is the thermal pad configuration for the TQFN package of MAX4695ETC+T?
The MAX4695ETC+T TQFN-12 package includes an exposed thermal pad (EP) centered on the bottom surface, electrically connected to GND per Maxim's recommended layout. This pad must be soldered to a thermally robust GND plane on the PCB to achieve the specified 1333.3mW power dissipation rating and maintain junction temperature within limits under continuous operation.
MAX4695ETC+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 2
- On-State Resistance (Max):
- 60Ohm
- 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:
- 4pC
- 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-TQFN (3x3)
MAX4695ETC+T FAQ
1.How can I place an order for MAX4695ETC+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4695ETC+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 MAX4695ETC+T reliable?
The price and inventory of MAX4695ETC+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4695ETC+T is usually 5 days.
3.What payment methods are accepted for MAX4695ETC+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4695ETC+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4695ETC+T?
MAX4695ETC+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4695ETC+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 MAX4695ETC+T?
For technical support, including MAX4695ETC+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4695ETC+T requirements.
6.How does Aetrix verify that MAX4695ETC+T is sourced from the original manufacturer or authorized distributors?
All MAX4695ETC+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 MAX4695ETC+T meets industry standards.
7.What is the process for return or replacement of MAX4695ETC+T?
All MAX4695ETC+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4695ETC+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 MAX4695ETC+T part is unused and in its original packaging.
Return procedure for MAX4695ETC+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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