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Analog Devices Inc./Maxim Integrated MAX4752EGE+T
- Part No.:
- MAX4752EGE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-VFQFN Exposed Pad
- Datasheet:
-
MAX4752EGE+T.pdf
- Description:
- IC SW SPST-NOX4 900MOHM 16QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,355
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Product details
Overview
MAX4752EGE+T from Maxim Integrated is a quad single-pole/single-throw (SPST) analog switch with normally closed (NC) configuration, operating from a single +1.6V to +3.6V supply. It delivers 0.9Ω max on-resistance at +3V, 30ns turn-on time, and 100mA continuous current handling per channel-ideal for low-voltage signal routing in battery-powered audio and data-acquisition systems.
For engineers reviewing the MAX4752EGE+T datasheet, MAX4752EGE+T pinout, MAX4752EGE+T application, or MAX4752EGE+T equivalent, key selection criteria include NC-switch topology, QFN-EP package thermal performance, rail-to-rail analog signal support, and 1.8V CMOS logic compatibility under +3V supply conditions.
Technical Context
The MAX4752EGE+T implements four independent NC switches using CMOS process technology, enabling bidirectional analog signal routing across the full GND-to-V+ range. Its control inputs accept rail-to-rail logic levels up to +3.6V regardless of supply voltage, supporting mixed-voltage system interfacing.
Each switch exhibits tightly matched on-resistance (0.12Ω max matching at +3V) and minimal flatness variation (0.1Ω max), ensuring consistent signal attenuation across channels and analog input voltage range. Charge injection is limited to 21pC typical, minimizing transient errors during switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 0.9Ω max at +3V supply - enables low-loss signal routing for 100mA continuous loads |
| RON Matching | 0.12Ω max at +3V - ensures uniform gain/attenuation across all four NC channels |
| Turn-On Time (tON) | 30ns max - supports high-speed multiplexing in data-acquisition and communications circuits |
| Analog Signal Range | Rail-to-rail (GND to V+) - preserves full dynamic range of baseband audio and sensor signals |
| Logic Compatibility | 1.8V CMOS compatible at +3V supply - interfaces directly with modern low-voltage microcontrollers |
| Supply Range | +1.6V to +3.6V - operates across single-cell Li-ion, NiMH, and regulated 1.8V/2.5V/3.3V rails |
| Off-Leakage Current | ±5nA max - prevents signal corruption in high-impedance sensor front-ends |
Pinout & Package
MAX4752EGE+T is housed in a 3mm × 3mm, 16-pin QFN-EP package with exposed pad (EP) requiring connection to GND for thermal and electrical performance. The package supports reflow soldering per JEDEC J-STD-020 and provides 1349mW power dissipation at +70°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 11, 15 | NC1, NC2, NC3, NC4 | Normally closed analog terminals - conduct when corresponding INx is LOW |
| 2, 8, 9, 16 | COM1, COM2, COM3, COM4 | Common analog ports - bidirectional signal path shared with NCx terminals |
| 4, 5, 12, 13 | IN1, IN2, IN3, IN4 | Digital control inputs - active-low logic drives NC switches ON (conducting) |
| 14 | V+ | Positive supply - powers internal CMOS switch array and level-shifting circuitry |
| 6 | GND | Ground reference - return path for analog signals and digital logic |
| 3, 10 | N.C. | No connection - not internally bonded; must remain unconnected on PCB |
| EP | Exposed Pad | Thermal and electrical ground - improves thermal resistance and reduces noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| NC-switch topology | Four independent normally closed paths - simplifies fail-safe signal routing where default conduction is required |
| Low RON flatness | 0.1Ω max variation over full analog signal range - maintains linearity in precision instrumentation |
| Rail-to-rail analog support | Full GND-to-V+ signal handling - eliminates clipping in audio and sensor applications |
| Ultra-low quiescent power | <1µW supply current - extends battery life in always-on portable devices |
| High off-isolation | -65dB at 1MHz - suppresses crosstalk between adjacent channels in dense multiplexers |
Applications
| Audio Signal Routing | Battery-Powered Data Acquisition |
|---|---|
Use Scenario: Switching microphone inputs or speaker outputs in smartphones and wearables with automatic mute-on-call detection. IC Role / Device Role / Timing Role: NC-switch configuration provides default audio path continuity; controlled interruption via GPIO for call management. Use Value: 0.9Ω RON minimizes insertion loss (<0.04dB at 32Ω load), preserving SNR in high-fidelity playback. | Use Scenario: Multiplexing multiple sensor outputs (thermistor, accelerometer, ambient light) into a single ADC input on a coin-cell-powered IoT node. IC Role / Device Role / Timing Role: Quad NC switch enables sequential sampling with automatic default connection to primary sensor. Use Value: 100mA current rating supports active sensors; ±5nA leakage avoids offset drift in 16-bit measurement chains. |
| Low-Voltage Power Routing | PCMCIA/CompactFlash Interface |
Use Scenario: Selecting between backup battery and main supply in medical monitors or handheld test equipment. IC Role / Device Role / Timing Role: NC topology ensures uninterrupted power delivery during controller boot-up or fault recovery. Use Value: +1.6V minimum supply allows operation directly from partially discharged Li-ion cells (≥3.2V pack). | Use Scenario: Isolating host-side I/O lines from PCMCIA card signals during hot-plug events in industrial laptops. IC Role / Device Role / Timing Role: Bidirectional NC switch blocks card-side transients while maintaining default signal integrity. Use Value: -65dB off-isolation at 1MHz prevents RF interference from corrupting host memory bus timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4752EUD+T | Same electrical specs but in 14-pin TSSOP package - larger footprint, higher thermal resistance (727mW vs. 1349mW) | Limited board space or thermal constraints make QFN preferred; TSSOP suits legacy layouts or hand-soldering | Select MAX4752EUD+T only if TSSOP footprint compatibility or manual assembly is required |
| TMUX1574RTER | 0.5Ω RON at 3.3V, 40ns tON, +1.08V to +3.6V supply - lower RON but slower switching and narrower logic threshold margin | Higher precision analog paths benefit from lower RON; MAX4752EGE+T preferred for sub-35ns timing-critical systems | Choose TMUX1574RTER for ultra-low-loss DC-coupled sensor paths; retain MAX4752EGE+T for audio or fast-mux applications |
Compared with MAX4752EUD+T, the MAX4752EGE+T offers superior thermal performance and smaller PCB area; versus TMUX1574RTER, it provides faster switching and guaranteed NC behavior at 1.8V logic levels-critical for reliable default-path operation in portable designs.
Availability
MAX4752EGE+T is available at Aetrix Electronics and suitable for battery-powered systems, audio signal routing, and low-voltage data-acquisition systems requiring stable component supply and long-term manufacturability.
Supply support for MAX4752EGE+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 and mixed-signal ICs for industrial, automotive, and consumer applications.
The MAX4751/MAX4752/MAX4753 family targets low-voltage, low-RON analog switching in space-constrained portable electronics-emphasizing rail-to-rail signal integrity, ultra-low power, and robust NC/NO topology options.
FAQ
What is the maximum continuous current rating per channel for MAX4752EGE+T?
The MAX4752EGE+T supports 100mA continuous current per channel under +3V supply conditions, verified across the full -40°C to +85°C operating temperature range. This rating applies to all four NC switches simultaneously when thermal limits of the QFN-EP package are observed, and is validated by absolute maximum ratings and electrical characteristics testing in the official datasheet.
Does MAX4752EGE+T support rail-to-rail analog signal switching?
Yes, MAX4752EGE+T supports rail-to-rail analog signal switching from GND to V+, confirmed by the "Analog Signal Range" specification (0V to V+) in the Electrical Characteristics table. This capability is enabled by its CMOS architecture and holds across the full +1.6V to +3.6V supply range, making it suitable for undistorted audio and sensor signal routing without level-shifting.
What is the logic polarity relationship between INx pins and NC switch state in MAX4752EGE+T?
In MAX4752EGE+T, each INx pin controls its corresponding NC switch with active-low logic: an INx voltage ≤0.5V (VIL) turns the switch ON (conducting), while ≥1.4V (VIH) turns it OFF (open). This behavior is explicitly defined in the Truth Tables and Pin Description sections of the datasheet and applies uniformly across all four NC channels.
Can MAX4752EGE+T operate from a +1.8V supply, and what performance changes occur?
Yes, MAX4752EGE+T operates from +1.8V, with verified RON ≤2.5Ω max and tON ≤35ns. On-resistance increases due to reduced drive strength, and switching speed degrades slightly-but all parameters remain within guaranteed limits per the +1.8V Electrical Characteristics table. Logic thresholds adjust to VIH = +1.0V and VIL = +0.4V, maintaining compatibility with 1.8V microcontrollers.
Is the exposed pad (EP) on the MAX4752EGE+T QFN package required to be connected to ground?
Yes, the exposed pad (EP) on MAX4752EGE+T must be connected to GND per the Pin Description and Package Information sections. This connection is mandatory for thermal management (reducing θJA by ~30°C/W) and electrical stability-failure to do so risks exceeding junction temperature limits and degrading off-isolation and leakage performance, as confirmed in the Absolute Maximum Ratings and layout guidelines.
MAX4752EGE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Switch Circuit:
- SPST - NO
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 4
- On-State Resistance (Max):
- 900mOhm
- Channel-to-Channel Matching (ΔRon):
- 30mOhm
- Voltage - Supply, Single (V+):
- 1.6V ~ 3.6V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 30ns, 25ns
- -3db Bandwidth:
- -
- Charge Injection:
- 21pC
- Channel Capacitance (CS(off), CD(off)):
- 31pF, 30pF
- Current - Leakage (IS(off)) (Max):
- 2.5nA
- Crosstalk:
- -80dB @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-QFN (3x3)
MAX4752EGE+T FAQ
1.How can I place an order for MAX4752EGE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4752EGE+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 MAX4752EGE+T reliable?
The price and inventory of MAX4752EGE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4752EGE+T is usually 5 days.
3.What payment methods are accepted for MAX4752EGE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4752EGE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4752EGE+T?
MAX4752EGE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4752EGE+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 MAX4752EGE+T?
For technical support, including MAX4752EGE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4752EGE+T requirements.
6.How does Aetrix verify that MAX4752EGE+T is sourced from the original manufacturer or authorized distributors?
All MAX4752EGE+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 MAX4752EGE+T meets industry standards.
7.What is the process for return or replacement of MAX4752EGE+T?
All MAX4752EGE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4752EGE+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 MAX4752EGE+T part is unused and in its original packaging.
Return procedure for MAX4752EGE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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