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Analog Devices Inc./Maxim Integrated MAX4701ETE+T
- Part No.:
- MAX4701ETE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
MAX4701ETE+T.pdf
- Description:
- IC SWITCH DPDT X 2 75OHM 16TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,510
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Product details
Overview
MAX4701ETE+T 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 required.
For engineers reviewing the MAX4701ETE+T datasheet, MAX4701ETE+T pinout, MAX4701ETE+T application, or MAX4701ETE+T equivalent, key selection criteria include guaranteed RON flatness (≤12Ω), channel matching (≤4Ω), −76dB off-isolation at 1MHz, and compatibility with 1.8V logic inputs when powered from +3V.
Technical Context
The MAX4701ETE+T implements two independent DPDT switches, each controlled by separate digital inputs (IN1/IN2), enabling simultaneous reconfiguration of two bidirectional signal paths. Its CMOS architecture supports rail-to-rail analog signals from GND to V+, with guaranteed break-before-make timing (≤1ns) preventing transient shorting during state transitions.
It operates without a dedicated logic supply-unlike the MAX4702-and uses the same V+ for both analog and digital domains. At +3V supply, it delivers 75Ω max RON, 12Ω max RON flatness over the full signal range, and 1nA max leakage at +85°C, making it suitable for precision, low-leakage signal routing in portable 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, 3.3V, and 5V systems without level-shifting. |
| On-Resistance (RON) | 75Ω max at +3V supply-ensures minimal signal attenuation and voltage drop in low-current analog paths. |
| RON Matching | 4Ω max between channels-supports matched gain/attenuation in differential or parallel-switched configurations. |
| Turn-On / Turn-Off Time | tON = 35ns, tOFF = 20ns at +3V-enables high-speed multiplexing in audio, data acquisition, and modem applications. |
| Off-Isolation | −76dB at 1MHz-suppresses crosstalk between inactive and active signal paths in multi-channel routing. |
| Leakage Current | 1nA max at +85°C-preserves signal integrity in high-impedance sensor or bias networks over temperature. |
| Bandwidth | −3dB bandwidth = 250MHz-supports video, USB 1.1, and baseband RF signal switching without significant roll-off. |
Pinout & Package
MAX4701ETE+T is housed in a 3mm × 3mm, 16-pin TQFN-EP package with exposed pad connected to GND for thermal and electrical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NO1) | Analog Switch 1 Normally Open Terminal | Connects to COM1 when IN1 = high; forms one pole of first DPDT switch. |
| 2 (V+) | Positive Supply Input | Single power rail for analog and digital circuitry; must be applied before analog signals. |
| 3 (NC4) | Analog Switch 4 Normally Closed Terminal | Connects to COM4 when corresponding control input is low; second pole of second DPDT switch. |
| 4 (COM4) | Analog Switch 4 Common Terminal | Signal path hub for fourth switch; bidirectional-functions as input or output. |
| 5 (NO4) | Analog Switch 4 Normally Open Terminal | Connects to COM4 when IN4 = high; completes second pole of second DPDT switch. |
| 6 (IN3, IN4) | Digital Control Inputs for Switches 3 & 4 | Active-high logic inputs; drive NO3/COM3 and NO4/COM4 independently. |
| 7 (NC3) | Analog Switch 3 Normally Closed Terminal | Connects to COM3 when IN3 = low; first pole of second DPDT switch. |
| 8 (COM3) | Analog Switch 3 Common Terminal | Signal path hub for third switch; shares DPDT pairing with NC3/NO3 and NC4/NO4. |
| 9 (NO3) | Analog Switch 3 Normally Open Terminal | Connects to COM3 when IN3 = high; completes first pole of second DPDT switch. |
| 10 (COM1) | Analog Switch 1 Common Terminal | Signal path hub for first switch; paired with NC1/NO1 and NC2/NO2 as first DPDT. |
| 11 (NC1) | Analog Switch 1 Normally Closed Terminal | Connects to COM1 when IN1 = low; forms first pole of first DPDT switch. |
| 12 (COM2) | Analog Switch 2 Common Terminal | Signal path hub for second switch; completes first DPDT with NC2/NO2. |
| 13 (IN1, IN2) | Digital Control Inputs for Switches 1 & 2 | Active-high logic inputs; drive NO1/COM1 and NO2/COM2 independently. |
| 14 (NO2) | Analog Switch 2 Normally Open Terminal | Connects to COM2 when IN2 = high; second pole of first DPDT switch. |
| 15 (NC2) | Analog Switch 2 Normally Closed Terminal | Connects to COM2 when IN2 = low; completes second pole of first DPDT switch. |
| 16 (GND) | Ground Reference | Return path for supply current and logic reference; exposed pad must be soldered to GND plane. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from GND to V+ without clipping-enables direct interfacing with op-amps, ADCs, and DACs across full supply range. |
| Guaranteed break-before-make | Ensures no overlap between NC and NO conduction states (<1ns interval)-prevents momentary shorts in relay-replacement or power-path switching. |
| Low 1nA leakage at +85°C | Maintains accuracy in high-impedance sensor front-ends and battery-monitoring circuits over industrial temperature range. |
| 250MHz −3dB bandwidth | Preserves signal fidelity for composite video, HDMI auxiliary channels, and broadband IF routing without external compensation. |
| 1.8V logic-compatible inputs at +3V supply | Accepts standard 1.8V I/O from FPGAs and low-voltage microcontrollers without translation-reduces BOM count and layout complexity. |
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 routing bidirectional audio paths with <35ns switching and <1nA leakage. Use Value: Enables zero-crossing mute, noise-free input selection, and low-distortion signal transfer (THD = 0.02%) across 20Hz–20kHz. |
Use Scenario: Multiplexing RF transceiver I/Q lines, calibration paths, and antenna diversity signals in LTE/WCDMA front-end modules. IC Role / Device Role / Timing Role: High-isolation (−76dB), broadband (250MHz) analog switch isolating sensitive receive chains from transmit leakage. Use Value: Prevents desensitization during TDD burst transitions and maintains EVM performance via low crosstalk (−79dB). |
| Battery-Operated Instrumentation | Modem Analog Interface |
|
Use Scenario: Configuring programmable gain amplifier (PGA) feedback networks and sensor excitation paths in handheld multimeters. IC Role / Device Role / Timing Role: Precision analog switch providing matched RON (≤4Ω) and flat RON (≤12Ω) for gain-setting resistor selection. Use Value: Eliminates gain error drift across temperature and supply voltage, supporting 16-bit measurement accuracy. |
Use Scenario: Switching between line interface circuits (SLIC), codec channels, and test loopback paths in VoIP gateways and DSL modems. IC Role / Device Role / Timing Role: Low-leakage (1nA), rail-to-rail analog switch handling ±3V AC-coupled voiceband signals (300Hz–3.4kHz). Use Value: Maintains signal-to-noise ratio >70dB and prevents DC offset accumulation in long-duration call sessions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4699ETE+ | 4mm × 4mm TQFN package; identical electrical specs but larger footprint and higher thermal resistance. | Suitable where board space permits and higher power dissipation margin is needed. | Select MAX4699ETE+ only if PCB layout requires larger pad area or enhanced thermal relief under sustained load. |
| ADG732BRUZ | 32-channel SPST, 4.5Ω RON at +5V, but no break-before-make guarantee and 100ns tON. | Better for high-channel-count, low-RON muxing-not for DPDT or fast-break switching. | Choose ADG732BRUZ only for dense, low-RON multiplexing where DPDT topology and sub-40ns speed are not required. |
Compared with MAX4699ETE+ and ADG732BRUZ, the MAX4701ETE+ uniquely combines dual DPDT topology, guaranteed break-before-make, and 35ns switching in a 3mm × 3mm footprint-making it optimal for space-constrained, high-fidelity analog routing where channel pairing and timing integrity are critical.
Availability
MAX4701ETE+T is available at Aetrix Electronics and suitable for audio routing, cellular baseband switching, and battery-operated instrumentation requiring stable component supply and RoHS-compliant packaging.
Supply support for MAX4701ETE+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) designs precision analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4701ETE+T belongs to Maxim's low-voltage analog switch product line, engineered specifically for compact, battery-efficient signal routing in portable and telecom infrastructure equipment.
FAQ
What is the maximum supply voltage rating for MAX4701ETE+T?
The absolute maximum supply voltage (V+) for MAX4701ETE+T is +6V. Operation beyond this risks permanent damage. The recommended operating range is +1.8V to +5.5V. At +5V, RON drops to 40Ω max, improving signal fidelity in higher-voltage systems while maintaining compatibility with 3.3V logic interfaces. Always apply V+ before analog signals to prevent latch-up.
Does MAX4701ETE+T require a separate logic supply voltage?
No, MAX4701ETE+T does not require a separate logic supply. Unlike the MAX4702, it derives all digital control functionality from the same V+ rail. Its IN1/IN2 inputs are 1.8V-logic compatible when operated from a +3V supply, with VIH = +1.4V min and VIL = +0.5V max-eliminating need for level shifters in mixed-voltage systems.
How is break-before-make timing verified for MAX4701ETE+T?
Break-before-make timing for MAX4701ETE+T is guaranteed ≤1ns under standard test conditions (V+ = +2.7V to +3.3V, RL = 300Ω, CL = 35pF). This specification is validated per Figure 3 in the datasheet using high-speed oscilloscope capture of IN_, COM_, and NO_/NC_ waveforms. It ensures no overlap between NC and NO conduction, critical for avoiding signal shorts in power-path or relay-emulation designs.
Can MAX4701ETE+T handle bipolar analog signals?
No, MAX4701ETE+T is designed for unipolar analog signals ranging from GND to V+. It does not support true bipolar operation (e.g., ±2.5V). For signals extending below GND, external clamping diodes (as shown in Figure 1 of the datasheet) are required-but this reduces effective signal range by ~0.7V and may increase RON. Use only within 0V to V+ for guaranteed rail-to-rail performance.
What is the thermal performance of the 3mm × 3mm TQFN package in MAX4701ETE+T?
The 3mm × 3mm TQFN-EP package of MAX4701ETE+T has a thermal resistance θJA of 48°C/W (typical) when mounted on a 2-layer PCB with 1-in² copper pour connected to the exposed pad. Derating begins above +70°C at 20.8mW/°C. Full-rated operation up to +85°C ambient is supported with proper GND pad soldering and minimal surrounding copper obstruction.
MAX4701ETE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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+T FAQ
1.How can I place an order for MAX4701ETE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4701ETE+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 MAX4701ETE+T reliable?
The price and inventory of MAX4701ETE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4701ETE+T is usually 5 days.
3.What payment methods are accepted for MAX4701ETE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4701ETE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4701ETE+T?
MAX4701ETE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4701ETE+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 MAX4701ETE+T?
For technical support, including MAX4701ETE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4701ETE+T requirements.
6.How does Aetrix verify that MAX4701ETE+T is sourced from the original manufacturer or authorized distributors?
All MAX4701ETE+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 MAX4701ETE+T meets industry standards.
7.What is the process for return or replacement of MAX4701ETE+T?
All MAX4701ETE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4701ETE+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 MAX4701ETE+T part is unused and in its original packaging.
Return procedure for MAX4701ETE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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