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Analog Devices Inc./Maxim Integrated MAX4679EUE+TG002
- Part No.:
- MAX4679EUE+TG002
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- -
- Datasheet:
-
MAX4679EUE+TG002.pdf
- Description:
- INTEGRATED CIRCUIT
- Quantity:
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Inventory:3,536
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Product details
Overview
MAX4679EUE+TG002 from Maxim Integrated is a quad SPST analog switch IC with two normally open (NO) and two normally closed (NC) channels, featuring guaranteed break-before-make switching, 1.6Ω max on-resistance at ±5V dual supply, 0.3Ω max on-resistance matching, and rail-to-rail signal handling-used in precision test equipment signal routing and reed relay replacement.
For engineers reviewing the MAX4679EUE+TG002 datasheet, MAX4679EUE+TG002 pinout, MAX4679EUE+TG002 application, or MAX4679EUE+TG002 equivalent, key selection criteria include verified break-before-make timing (5ns), dual ±2.7V to ±5.5V / single +2.7V to +11V supply flexibility, TTL/CMOS logic compatibility, and -65dB off-isolation at 1MHz for low-crosstalk multiplexing.
Technical Context
The MAX4679EUE+TG002 implements four independent CMOS SPST switches in a single 16-pin TSSOP package, with channels 1 and 4 configured as NO and channels 2 and 3 as NC. Its internal architecture ensures guaranteed break-before-make operation during channel transitions, preventing momentary shorting between analog paths.
It supports independent analog and logic supplies (VL = +2.7V to V+), enabling level-shifting between control logic and signal domains. The device maintains flat on-resistance (0.4Ω max) over its full ±5V analog input range and delivers 66MHz -3dB bandwidth under dual-supply conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 1.6Ω max at ±5V - enables low insertion loss and minimal signal attenuation in precision analog paths |
| On-Resistance Matching | 0.3Ω max between channels - ensures matched gain/attenuation across switched signal paths |
| Break-Before-Make Delay | 5ns - guarantees no overlap during channel switching, critical for avoiding signal shorting |
| Off-Isolation | -65dB at 1MHz - suppresses crosstalk between inactive and active channels in dense routing |
| Supply Range | Dual ±2.7V to ±5.5V or single +2.7V to +11V - supports both bipolar instrumentation and unipolar digital card designs |
| Rail-to-Rail Signal Range | V- to V+ - allows full-swing analog signals without clipping in ±5V or +5V systems |
| Logic Compatibility | TTL/CMOS - interfaces directly with standard microcontrollers and FPGAs without level shifters |
Pinout & Package
Package: 16-pin TSSOP (thin shrink small-outline package), 4.4mm × 5.0mm body, 0.65mm pitch, exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Independent logic inputs controlling each switch; high = NO closed / NC open (per channel type) |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals - bidirectional signal path connection points |
| 3, 6 | NO1, NO4 | Normally open analog terminals - connect to COM only when corresponding IN is high |
| 11, 14 | NC2, NC3 | Normally closed analog terminals - connect to COM when corresponding IN is low |
| 4 | V- | Negative supply rail; tied to GND for single-supply operation |
| 5 | GND | Ground reference for logic and analog sections |
| 12 | VL | Separate logic supply input - decouples logic voltage from analog rails for mixed-voltage systems |
| 13 | V+ | Positive supply rail - sets upper limit of analog signal range and powers internal CMOS switches |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed break-before-make | 5ns minimum delay prevents signal shorting during channel switching in multiplexer applications |
| Matched on-resistance | 0.3Ω max mismatch enables precision gain-matching in differential or multi-path signal conditioning |
| Rail-to-rail analog range | Supports full-swing signals from V- to V+, eliminating headroom loss in ±5V op-amp or ADC front-ends |
| Low charge injection | 9pC (single supply) / 85pC (dual supply) minimizes voltage glitches at COM during switching |
| High off-isolation | -65dB at 1MHz ensures >1,778:1 signal rejection between inactive and active channels |
| Independent VL supply | Allows logic interface at 2.7V–V+ while analog section operates at ±5V - simplifies mixed-domain PCB design |
Applications
| Automated Test Equipment (ATE) Signal Routing | Audio Channel Switching |
|---|---|
Use Scenario: Multiplexing multiple sensor outputs or DUT signals into shared digitizers or analyzers. IC Role / Device Role / Timing Role: Quad SPST switch providing isolated, low-distortion signal paths with guaranteed break-before-make to prevent cross-talk during reconfiguration. Use Value: Eliminates mechanical relay wear-out and bounce while maintaining <1.6Ω path resistance and <0.3Ω channel matching for calibrated measurements. |
Use Scenario: Selecting between multiple audio sources (mic, line-in, Bluetooth) before an ADC or amplifier stage. IC Role / Device Role / Timing Role: Analog switch routing rail-to-rail audio waveforms with <66MHz bandwidth and -84dB crosstalk at 1MHz. Use Value: Preserves wide dynamic range and low THD due to flat on-resistance (<0.4Ω variation) and sub-10pC charge injection. |
| Data Acquisition Front-End Multiplexing | Industrial Sensor Interface |
Use Scenario: Scanning 4 thermocouple or RTD inputs into a single high-resolution ADC. IC Role / Device Role / Timing Role: Precision analog switch with low leakage (<0.1nA at +25°C) and matched RON to minimize gain error across channels. Use Value: Enables <0.01% channel-to-channel gain error and stable offset performance over temperature (-40°C to +85°C). |
Use Scenario: Isolating faulted sensor inputs or configuring measurement ranges (e.g., ±10V vs. 0–5V) in programmable logic controllers. IC Role / Device Role / Timing Role: Robust analog switch supporting dual ±5V supplies and surviving ±12V absolute max ratings on COM/NO/NC pins. Use Value: Survives field-induced transients without latch-up and maintains <2Ω RON even at full industrial temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADG1419BRUZ | Quad SPST, 1.3Ω RON, but NO/NC configuration not identical; no guaranteed break-before-make | Suitable for general-purpose multiplexing where timing overlap is tolerable | Select when lower on-resistance is prioritized over guaranteed switching sequence |
| TS5A3159DCKR | Single-supply only (+1.65V to +5.5V), 0.75Ω RON, no dual-supply support or break-before-make | Better for portable, low-voltage systems with no bipolar signal requirements | Select for battery-powered audio or sensor hubs requiring ultra-low RON and minimal quiescent current |
Compared with ADG1419BRUZ and TS5A3159DCKR, the MAX4679EUE+TG002 uniquely provides guaranteed break-before-make timing, dual-supply operation, and matched NO/NC topology-making it the only choice for reed-relay-replacement in automated test and industrial analog multiplexing where signal integrity and sequencing reliability are non-negotiable.
Availability
MAX4679EUE+TG002 is available at Aetrix Electronics and suitable for automated test equipment, data acquisition systems, and industrial sensor interface applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX4679EUE+TG002 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 high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.
The MAX4677/MAX4678/MAX4679 family was engineered specifically for low-distortion, high-fidelity analog signal routing in automated test and instrumentation-replacing electromechanical relays with solid-state reliability and precision.
FAQ
What is the guaranteed break-before-make timing specification for MAX4679EUE+TG002?
The MAX4679EUE+TG002 guarantees a 5ns break-before-make delay under specified load conditions (RL = 300Ω, CL = 35pF). This timing is measured between the turn-off of one switch and turn-on of another within the same break-before-make pair (e.g., IN1 and IN4). The specification ensures no overlap in conduction, preventing short-circuits during channel reconfiguration in the MAX4679EUE+TG002.
Can MAX4679EUE+TG002 operate from a single +5V supply?
Yes, the MAX4679EUE+TG002 supports single-supply operation from +2.7V to +11V. When using +5V, V- must be connected to GND (pin 4), and the analog signal range becomes 0V to +5V. On-resistance increases slightly to 2.7Ω max (vs. 1.6Ω max at ±5V), but rail-to-rail operation, TTL/CMOS compatibility, and break-before-make functionality remain fully functional in the MAX4679EUE+TG002.
What is the maximum allowable voltage difference between V+ and V- for MAX4679EUE+TG002?
The MAX4679EUE+TG002 specifies a maximum V+ to V- differential of +12V per Absolute Maximum Ratings. However, the recommended operating range limits this to ±5.5V (i.e., ≤11V total differential) to ensure reliable performance and avoid overstressing internal protection diodes. Exceeding ±5.5V may degrade on-resistance flatness and increase leakage, as confirmed in the MAX4679EUE+TG002 datasheet's electrical characteristics tables.
Does MAX4679EUE+TG002 require external bypass capacitors?
Yes, the MAX4679EUE+TG002 requires a 0.1µF ceramic capacitor from V+ to GND, placed as close as possible to pins 13 and 5. This bypassing stabilizes the analog supply, improves noise margin, and prevents switching transients from coupling into adjacent circuitry. No additional capacitor is required on VL or V-, but layout best practices recommend short, low-inductance traces to all supply pins for optimal performance of the MAX4679EUE+TG002.
How does the separate VL pin benefit system design with MAX4679EUE+TG002?
The VL pin on the MAX4679EUE+TG002 allows independent logic supply voltage (from +2.7V to V+) while analog supplies (V+/V-) operate at higher or bipolar levels. This enables direct interfacing with 3.3V or 2.7V microcontrollers in ±5V signal chains without level shifters, reduces ground bounce, and isolates logic noise from sensitive analog paths-key for maintaining signal fidelity in the MAX4679EUE+TG002's target applications.
MAX4679EUE+TG002 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- -
- Multiplexer/Demultiplexer Circuit:
- -
- Number of Circuits:
- -
- On-State Resistance (Max):
- -
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- -
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- -
- -3db Bandwidth:
- -
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- -
- Current - Leakage (IS(off)) (Max):
- -
- Crosstalk:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
MAX4679EUE+TG002 FAQ
1.How can I place an order for MAX4679EUE+TG002 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4679EUE+TG002 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 MAX4679EUE+TG002 reliable?
The price and inventory of MAX4679EUE+TG002 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4679EUE+TG002 is usually 5 days.
3.What payment methods are accepted for MAX4679EUE+TG002?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4679EUE+TG002 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4679EUE+TG002?
MAX4679EUE+TG002 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4679EUE+TG002 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 MAX4679EUE+TG002?
For technical support, including MAX4679EUE+TG002 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4679EUE+TG002 requirements.
6.How does Aetrix verify that MAX4679EUE+TG002 is sourced from the original manufacturer or authorized distributors?
All MAX4679EUE+TG002 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 MAX4679EUE+TG002 meets industry standards.
7.What is the process for return or replacement of MAX4679EUE+TG002?
All MAX4679EUE+TG002 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4679EUE+TG002, 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 MAX4679EUE+TG002 part is unused and in its original packaging.
Return procedure for MAX4679EUE+TG002:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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