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Analog Devices Inc./Maxim Integrated MAX4701ETE+
- Part No.:
- MAX4701ETE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
MAX4701ETE+.pdf
- Description:
- IC SWITCH DPDT X 2 75OHM 16TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:379
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Product details
Overview
MAX4701ETE+ from Maxim Integrated is a low-voltage, dual double-pole/double-throw (DPDT) CMOS analog switch operating from a single +1.8V to +5.5V supply. It features 75Ω max on-resistance at +3V, 35ns turn-on time, rail-to-rail signal handling, and break-before-make switching. It is used in audio/video routing and battery-powered communications circuits where compact size and low-power analog switching are critical.
For engineers reviewing the MAX4701ETE+ datasheet, MAX4701ETE+ pinout, MAX4701ETE+ application, or MAX4701ETE+ equivalent, key selection criteria include guaranteed channel matching (≤4Ω), low leakage (≤1nA at +85°C), 250MHz -3dB bandwidth, and compatibility with 1.8V logic inputs when powered from +3V.
Technical Context
The MAX4701ETE+ implements two independent DPDT switches, each controlled by separate digital inputs (IN1/IN2 for Switches 1–2; IN3/IN4 for Switches 3–4). Its CMOS architecture ensures bidirectional signal flow, rail-to-rail analog voltage support (0V to V+), and break-before-make timing (≤1ns at +3V) to prevent momentary shorting during state transitions.
It uses a single positive supply (V+) without requiring a separate logic rail-unlike the MAX4702-and supports 1.8V logic thresholds at +3V operation. On-resistance flatness remains ≤12Ω over the full signal range, and channel-to-channel RON matching is guaranteed ≤4Ω, enabling precision signal routing in multi-channel systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V single supply - enables direct integration into 1.8V, 2.7V, 3.3V, and 5V systems without level-shifting. |
| On-Resistance (RON) | 75Ω max at +3V - ensures minimal insertion loss and voltage drop for analog signals up to ±20mA. |
| RON Matching | 4Ω max between channels - critical for balanced differential signal paths and matched gain stages. |
| Turn-On/Off Time | tON = 35ns, tOFF = 20ns at +3V - supports high-speed multiplexing in audio, data acquisition, and comms applications. |
| Leakage Current | ±1nA max at +85°C - preserves signal integrity in high-impedance sensor interfaces and battery-critical standby modes. |
| -3dB Bandwidth | 250MHz - supports video, RF sampling, and broadband analog switching without significant attenuation. |
| Off-Isolation | -76dB at 1MHz - suppresses crosstalk between active and inactive channels in dense PCB layouts. |
Pinout & Package
MAX4701ETE+ is housed in a 3mm × 3mm, 16-pin TQFN-EP package with exposed pad connected to GND for thermal and EMI performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO1) | Analog Switch 1 Normally Open | Connects to COM1 when IN1 = high; bidirectional path for signal routing. |
| 2 (V+) | Positive Supply Input | Single power rail for analog and logic circuitry; must be applied before analog signals. |
| 3 (NC4) | Analog Switch 4 Normally Closed | Connects to COM4 when all control inputs are low; default path for fail-safe routing. |
| 4 (COM4) | Analog Switch 4 Common Terminal | Central node for Switch 4; connects to NO4 or NC4 depending on IN3/IN4 state. |
| 5 (NO4) | Analog Switch 4 Normally Open | Active path for Switch 4 when corresponding control input is asserted. |
| 6 (IN3, IN4) | Digital Control Inputs (Switches 3 & 4) | CMOS-compatible inputs; accept 1.8V logic levels at +3V supply; no external pull-ups required. |
| 7 (NC3) | Analog Switch 3 Normally Closed | Default connection to COM3 when control inputs are low. |
| 8 (COM3) | Analog Switch 3 Common Terminal | Shared signal node for Switch 3; supports bidirectional AC/DC signals from 0V to V+. |
| 9 (NO3) | Analog Switch 3 Normally Open | Activated path for Switch 3 under active control; matches RON and timing of other channels. |
| 10 (COM1) | Analog Switch 1 Common Terminal | Primary signal interface for Switch 1; electrically identical to COM2–COM4 for consistent layout. |
| 11 (NC1) | Analog Switch 1 Normally Closed | Provides default signal path for Switch 1; maintains continuity during power-up or logic reset. |
| 12 (COM2) | Analog Switch 2 Common Terminal | Second DPDT common node; supports independent routing of dual analog signals. |
| 13 (IN1, IN2) | Digital Control Inputs (Switches 1 & 2) | Independent logic inputs for first DPDT pair; enable asymmetric switching configurations. |
| 14 (NO2) | Analog Switch 2 Normally Open | Active path for Switch 2; exhibits same RON, flatness, and leakage as NO1–NO4. |
| 15 (NC2) | Analog Switch 2 Normally Closed | Default path for Switch 2; ensures predictable behavior during initialization or fault conditions. |
| 16 (GND) | Ground Reference | Return path for supply current and analog signals; exposed pad must be soldered to GND plane. |
Key Features
| Feature | Design Value |
|---|---|
| Guaranteed Break-Before-Make | ≤1ns interval prevents signal shorting during switching - essential for protecting downstream amplifiers and ADC inputs. |
| Rail-to-Rail Signal Handling | Supports analog signals from 0V to V+ - eliminates need for external biasing in single-supply systems. |
| Low Crosstalk (-79dB @ 1MHz) | Minimizes interference between adjacent switched channels - critical in multi-signal audio and instrumentation designs. |
| 16-Pin 3mm × 3mm TQFN-EP | Reduces PCB area by >40% vs. TSSOP - enables high-density portable and wearable electronics layouts. |
| 1.8V Logic Compatibility | Operates with standard low-voltage microcontroller GPIOs at +3V supply - removes need for level translators. |
Applications
| Audio Signal Routing | Cellular Baseband Switching |
|---|---|
|
Use Scenario: Selecting between multiple microphone inputs or speaker outputs in a smartphone audio subsystem. IC Role / Device Role / Timing Role: Dual DPDT analog switch providing bidirectional, low-distortion signal path selection with <35ns switching. Use Value: Enables dynamic reconfiguration of audio paths without pop/click artifacts or signal degradation due to 75Ω RON and 0.02% THD. |
Use Scenario: Multiplexing RF front-end calibration signals and baseband I/Q lines in LTE/WCDMA transceivers. IC Role / Device Role / Timing Role: High-isolation analog switch isolating test loops from active signal chains during calibration sequences. Use Value: Delivers -76dB off-isolation and 250MHz bandwidth to maintain signal fidelity across cellular bands without added filtering. |
| Battery-Powered Instrumentation | Modem Analog Interface |
|
Use Scenario: Routing sensor outputs (thermocouple, RTD, strain gauge) to a shared ADC in portable data loggers. IC Role / Device Role / Timing Role: Precision analog multiplexer ensuring matched channel resistance (<4Ω ΔRON) and sub-nA leakage. Use Value: Maintains measurement accuracy across channels and extends battery life via 1µA supply current and 1nA leakage at +85°C. |
Use Scenario: Switching between line interface and handset circuits in DSL or VoIP modems with shared codec resources. IC Role / Device Role / Timing Role: Low-crosstalk DPDT switch managing hybrid echo cancellation paths and audio loopbacks. Use Value: Achieves -79dB crosstalk and fast 35ns switching to support real-time echo suppression algorithms without latency penalty. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4699ETE+ | Same dual DPDT function but in 4mm × 4mm TQFN; higher RON (85Ω max at +3V) and slower tON (45ns). | Preferred where larger footprint is acceptable and lower cost is prioritized over speed or RON. | Select MAX4699ETE+ only if board space allows 4mm × 4mm and 75Ω RON is not required. |
| ADG732BRUZ | 32-channel SPST switch (not DPDT); 4.5Ω RON at +3V but requires 1.8V logic supply and has higher 10µA supply current. | Suited for high-channel-count scanning, not DPDT signal inversion or path redundancy. | Choose ADG732BRUZ only for large-scale multiplexing where DPDT topology is unnecessary and ultra-low RON outweighs power and topology constraints. |
Compared with MAX4699ETE+, the MAX4701ETE+ delivers tighter RON matching and faster switching in a smaller footprint; versus ADG732BRUZ, it provides native DPDT functionality and lower leakage but trades off channel count and absolute RON minimum.
Availability
MAX4701ETE+ is available at Aetrix Electronics and suitable for audio routing, cellular baseband switching, and battery-powered instrumentation requiring stable component supply, RoHS-compliant packaging, and long-term industrial temperature support (-40°C to +85°C).
Supply support for MAX4701ETE+ 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 MAX4701ETE+ belongs to Maxim's low-voltage analog switch family, engineered for high-fidelity signal routing in space-constrained, battery-sensitive systems where rail-to-rail operation and guaranteed matching are mandatory.
FAQ
What is the maximum supply voltage rating for the MAX4701ETE+?
The MAX4701ETE+ has an absolute maximum supply voltage (V+) of +6V. Operation beyond this rating risks permanent damage. The device is specified for reliable functional operation from +1.8V to +5.5V. At +5V, RON drops to 40Ω max and switching speeds improve to tON = 18ns, making +5V optimal for performance-critical applications where power budget allows.
Does the MAX4701ETE+ require a separate logic supply voltage (VL)?
No, the MAX4701ETE+ does not require a separate VL supply. Unlike the MAX4702ETE+, it integrates logic-level translation directly and accepts 1.8V-compatible inputs when operated from a +3V supply. Its digital inputs (IN1–IN4) are referenced to V+ and GND only - simplifying power design and reducing BOM count compared to quad SPDT variants needing VL.
What is the guaranteed on-resistance matching between channels in the MAX4701ETE+?
The MAX4701ETE+ guarantees ΔRON ≤ 4Ω between any two channels at +2.7V to +3.3V supply and over the full -40°C to +85°C temperature range. This specification ensures consistent gain, attenuation, and phase response across switched paths - critical for differential signaling, automatic gain control loops, and precision sensor multiplexing where mismatch-induced errors must stay below 1%.
Can the MAX4701ETE+ handle negative analog signals?
No, the MAX4701ETE+ cannot handle negative analog signals relative to GND. Its analog signal range is strictly 0V to V+, with absolute maximum ratings limiting COM_, NO_, and NC_ pins to -0.3V minimum. For bipolar signal routing, external clamping diodes or a dual-supply analog switch (e.g., MAX308) must be used - the MAX4701ETE+ is designed exclusively for single-supply, rail-to-rail positive-only signal paths.
Is the exposed pad (EP) on the MAX4701ETE+ package required to be connected to ground?
Yes, the exposed pad (EP) on the MAX4701ETE+ 3mm × 3mm TQFN package must be soldered to a GND plane. Maxim specifies this connection for both thermal dissipation (derating: 20.8mW/°C above +70°C) and EMI suppression. Leaving EP floating degrades thermal performance, increases junction temperature, and may cause instability or reduced reliability - especially under sustained 20mA per channel operation.
MAX4701ETE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Switch Circuit:
- DPDT
- Multiplexer/Demultiplexer Circuit:
- 2:2
- Number of Circuits:
- 2
- 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-TQFN (3x3)
MAX4701ETE+ FAQ
1.How can I place an order for MAX4701ETE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4701ETE+ 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 MAX4701ETE+ reliable?
The price and inventory of MAX4701ETE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4701ETE+ is usually 5 days.
3.What payment methods are accepted for MAX4701ETE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4701ETE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4701ETE+?
MAX4701ETE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4701ETE+ 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 MAX4701ETE+?
For technical support, including MAX4701ETE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4701ETE+ requirements.
6.How does Aetrix verify that MAX4701ETE+ is sourced from the original manufacturer or authorized distributors?
All MAX4701ETE+ 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 MAX4701ETE+ meets industry standards.
7.What is the process for return or replacement of MAX4701ETE+?
All MAX4701ETE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4701ETE+, 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 MAX4701ETE+ part is unused and in its original packaging.
Return procedure for MAX4701ETE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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