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Analog Devices Inc./Maxim Integrated MAX4702EUE+
- Part No.:
- MAX4702EUE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX4702EUE+.pdf
- Description:
- IC SWITCH SPDT X 4 75OHM 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,206
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Product details
Overview
MAX4702EUE+ from Maxim Integrated is a quad single-pole/double-throw (SPDT) analog switch IC operating from a single +1.8V to +5.5V supply, featuring 75Ω max on-resistance at +3V, 35ns turn-on time, rail-to-rail signal handling, and 1.0V logic threshold with dedicated VL pin. It enables low-voltage audio routing in battery-powered handheld devices.
For engineers reviewing the MAX4702EUE+ datasheet, MAX4702EUE+ pinout, MAX4702EUE+ application, or MAX4702EUE+ equivalent, key selection criteria include guaranteed break-before-make timing, channel matching ≤4Ω, -76dB off-isolation at 1MHz, and TSSOP-16 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4702EUE+ implements four independent SPDT switches controlled by a single digital input (IN), with separate VL pin enabling 1.0V logic-high threshold when powered from +1.5V logic supply. Its CMOS architecture ensures bidirectional signal flow and rail-to-rail analog voltage support from GND to V+.
Each switch guarantees break-before-make operation (tBBM ≤2ns at +5V), exhibits ≤12Ω on-resistance flatness over full signal range, and maintains ≤1nA leakage current at +85°C - critical for precision signal integrity in low-power sensor interfaces and portable audio paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-resistance (RON) | 75Ω max at +3V supply - ensures minimal signal attenuation in audio path applications |
| On-resistance match | 4Ω max between channels - enables precise differential signal routing without gain mismatch |
| Turn-on time (tON) | 35ns max at +3V - supports fast switching in multi-source audio multiplexing |
| Off-isolation | -76dB at 1MHz - suppresses crosstalk between active and inactive signal paths |
| Logic threshold (VIH) | 1.0V min with VL = +1.5V - allows direct interfacing with 1.2V/1.5V logic domains |
| Supply range | +1.8V to +5.5V single supply - simplifies power design in mixed-voltage embedded systems |
| Leakage current | 1nA max at +85°C - preserves accuracy in high-impedance sensor front-ends |
Pinout & Package
The MAX4702EUE+ is housed in a 16-pin TSSOP package (3mm × 4.4mm body, 0.65mm pitch) with exposed pad not present - distinct from TQFN variants. Pin 1 is NO1; pin 16 is COM1; pin 8 is GND; pin 12 is VL; pin 4 is IN.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 7, 11 (NO1–NO4) | Normally open analog terminal | Connects to COMx when INx = logic high; used as signal output in SPDT configuration |
| 4 (IN) | Digital control input | Single logic input controlling all four SPDT switches simultaneously |
| 6, 8, 10, 14 (GND, COM2, COM3, COM4) | Ground and common analog terminals | GND provides reference; COMx pins serve as bidirectional signal hubs for each switch |
| 12 (VL) | Logic supply input | Sets 1.0V VIH threshold - must be ≥+1.5V and powered after V+ |
| 16, 4, 2, 13 (COM1, V+, NC1, NC2) | Common, supply, and normally closed terminals | V+ powers analog core; NCx pins remain disconnected unless switch is de-asserted |
Key Features
| Feature | Design Value |
|---|---|
| Quad SPDT topology | Four independent bidirectional switches in one 16-pin TSSOP - reduces board area vs. discrete solutions |
| Break-before-make timing | tBBM ≤2ns at +5V - prevents momentary short-circuit during switching in power-sensitive audio paths |
| Rail-to-rail analog range | Supports signals from GND to V+ - eliminates level-shifting in ±2.5V or 0–3.3V sensor interfaces |
| Low crosstalk | -79dB at 1MHz - isolates adjacent audio channels in headset or microphone switching |
| Guaranteed channel matching | ΔRON ≤4Ω - ensures matched insertion loss across stereo or differential pairs |
Applications
| Audio Signal Routing | Portable Communication Interface |
|---|---|
Use Scenario: Switching between multiple microphones or speakers in a smartphone or VoIP handset. IC Role / Device Role / Timing Role: Quad SPDT analog switch routing audio paths under baseband processor control. Use Value: 35ns switching enables glitch-free transitions during call handover or speakerphone activation. | Use Scenario: Selecting between Bluetooth audio codec and wired headset in a wireless earbud. IC Role / Device Role / Timing Role: Low-leakage analog multiplexer managing bidirectional audio I/O with 1.0V logic compatibility. Use Value: 1nA max leakage preserves DC bias stability in Class-D amplifier inputs. |
| Battery-Powered Sensor Hub | Industrial Data Acquisition |
Use Scenario: Multiplexing outputs from four temperature sensors into a single ADC input on a wearable health monitor. IC Role / Device Role / Timing Role: Precision analog switch providing matched on-resistance for calibrated measurement paths. Use Value: 4Ω max RON matching minimizes gain error across sensor channels. | Use Scenario: Isolating test equipment inputs from multiple transducer sources in a modular DAQ system. IC Role / Device Role / Timing Role: High-off-isolation (+76dB) analog gate preventing signal coupling during channel scanning. Use Value: -76dB off-isolation suppresses interference between 0–10V industrial sensor lines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4702ETE+ | Same electrical specs but in 3mm × 3mm TQFN-16 package with exposed pad tied to GND | Requires different PCB footprint and thermal management; no VL pin routing constraint | Select MAX4702ETE+ for higher-density layouts needing improved thermal performance |
| ADG1414BRUZ | Quad SPDT with 1.5Ω RON at +5V, but requires ≥2.7V logic supply and no VL pin | Not suitable for sub-1.8V logic domains; higher on-resistance flatness (2.5Ω) | Choose ADG1414BRUZ only when ultra-low RON dominates over logic voltage flexibility |
Compared with MAX4702ETE+ and ADG1414BRUZ, the MAX4702EUE+ uniquely balances TSSOP manufacturability, 1.0V logic compatibility via VL, and guaranteed 4Ω channel matching - making it optimal for cost-sensitive, space-constrained, low-voltage portable designs where pin count and logic interface simplicity are critical.
Availability
MAX4702EUE+ is available at Aetrix Electronics and suitable for audio routing, portable communication interfaces, and battery-powered sensor hubs requiring stable component supply and RoHS-compliant packaging.
Supply support for MAX4702EUE+ 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 and mixed-signal ICs for industrial, communications, and consumer applications.
The MAX4702EUE+ belongs to Maxim's low-voltage analog switch family engineered for battery-operated equipment requiring rail-to-rail signal handling, fast switching, and logic-level flexibility - especially where space and power efficiency are constrained.
FAQ
What is the logic threshold voltage for MAX4702EUE+ and how is it configured?
The MAX4702EUE+ features a dedicated VL pin that sets the logic high threshold (VIH) to 1.0V minimum when VL is supplied with +1.5V. This enables direct interfacing with 1.2V/1.5V logic families without level shifters. The MAX4702EUE+ datasheet specifies VIH = 1.0V and VIL = 0.4V under these conditions, and VL must be powered after V+ to ensure proper initialization.
Does MAX4702EUE+ support rail-to-rail analog signals, and what is the maximum allowable voltage range?
Yes, the MAX4702EUE+ supports rail-to-rail analog signal handling from GND to V+. With V+ ranging from +1.8V to +5.5V, the analog input/output range spans the full supply rail - e.g., 0V to +3.3V or 0V to +5V - confirmed in the Absolute Maximum Ratings and Electrical Characteristics tables. Signals exceeding this range require external protection diodes per Figure 1.
What is the guaranteed on-resistance matching between channels for MAX4702EUE+ and why does it matter?
The MAX4702EUE+ guarantees on-resistance matching (ΔRON) of ≤4Ω across all four SPDT channels at +2.7V supply. This tight matching ensures consistent insertion loss and gain tracking in stereo audio paths or differential sensor multiplexing, directly reducing measurement error and channel imbalance in precision applications.
How does the break-before-make timing of MAX4702EUE+ prevent signal glitches during switching?
The MAX4702EUE+ guarantees break-before-make (BBM) timing of ≤2ns at +5V supply, ensuring the "off" path disconnects before the "on" path closes. This eliminates momentary short-circuits between signal sources - critical in audio routing to avoid audible pops and in sensor multiplexing to prevent cross-channel contamination.
Is MAX4702EUE+ pin-compatible with other devices in the MAX4699/MAX4701/MAX4702 family?
No, the MAX4702EUE+ is not pin-compatible with MAX4699 or MAX4701 due to differing control architectures: MAX4702EUE+ uses a single IN pin and dedicated VL pin, while MAX4701 has dual IN1/IN2 inputs and no VL. Pin mapping differs significantly - e.g., MAX4702EUE+ pin 12 is VL, whereas MAX4701 pin 12 is GND - requiring unique PCB layout.
MAX4702EUE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- SPDT
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 75Ohm
- Channel-to-Channel Matching (ΔRon):
- 2Ohm
- Voltage - Supply, Single (V+):
- 1.8V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 35ns, 20ns
- -3db Bandwidth:
- 250MHz
- Charge Injection:
- 0.5pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -79dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
MAX4702EUE+ FAQ
1.How can I place an order for MAX4702EUE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4702EUE+ 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 MAX4702EUE+ reliable?
The price and inventory of MAX4702EUE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4702EUE+ is usually 5 days.
3.What payment methods are accepted for MAX4702EUE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4702EUE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4702EUE+?
MAX4702EUE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4702EUE+ 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 MAX4702EUE+?
For technical support, including MAX4702EUE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4702EUE+ requirements.
6.How does Aetrix verify that MAX4702EUE+ is sourced from the original manufacturer or authorized distributors?
All MAX4702EUE+ 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 MAX4702EUE+ meets industry standards.
7.What is the process for return or replacement of MAX4702EUE+?
All MAX4702EUE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4702EUE+, 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 MAX4702EUE+ part is unused and in its original packaging.
Return procedure for MAX4702EUE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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