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Analog Devices Inc./Maxim Integrated MAX4752EUD+T
- Part No.:
- MAX4752EUD+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MAX4752EUD+T.pdf
- Description:
- IC SW SPST-NOX4 900MOHM 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
MAX4752EUD+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 maximum on-resistance at +3V, 30ns turn-on time, and 100mA continuous current handling - enabling precise low-voltage signal routing in battery-powered audio and data-acquisition systems.
For engineers reviewing the MAX4752EUD+T datasheet, MAX4752EUD+T pinout, MAX4752EUD+T application, or MAX4752EUD+T equivalent, key selection criteria include NC-switch topology, rail-to-rail analog signal support, 1.8V CMOS logic compatibility at +3V supply, and TSSOP-14 package constraints for space-constrained PCB layouts.
Technical Context
The MAX4752EUD+T implements four independent NC switches using CMOS process technology, ensuring bidirectional analog signal routing with minimal distortion. Its control logic interprets high-level inputs as open-circuit (OFF) and low-level inputs as closed-path (ON), directly opposing the MAX4751's NO behavior.
Each switch maintains ≤0.1Ω on-resistance flatness and ≤0.12Ω matching across channels at +3V, supporting precision multiplexing where channel-to-channel gain consistency is critical. The device guarantees operation over –40°C to +85°C without derating, with leakage currents limited to ±5nA across temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 0.9Ω max at +3V - enables <10mΩ channel mismatch in 100mA load paths |
| On-Resistance Flatness | 0.1Ω max at +3V - ensures <0.3% gain variation across full 0–V+ signal swing |
| Turn-On/Off Time | tON = 30ns, tOFF = 25ns - supports >10MHz switching in high-speed data routing |
| Analog Signal Range | Rail-to-rail (0V to V+) - preserves full dynamic range of baseband audio and sensor signals |
| Logic Compatibility | 1.8V CMOS input thresholds at +3V supply - interfaces directly with modern low-voltage microcontrollers |
| Supply Voltage Range | +1.6V to +3.6V - powers from single Li-ion cell or regulated 1.8V/3.3V rails without level shifters |
| Quiescent Power | <1µW - eliminates standby power concerns in always-on portable systems |
Pinout & Package
MAX4752EUD+T is housed in a 14-pin TSSOP package (3.0mm × 4.4mm, 0.65mm pitch) with exposed pad not present - distinct from QFN variants. Pin 14 is V+, pins 7 and 13 are GND, and all IN_/COM_/NC_ terminals are assigned per standardized layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1–IN4 (Pins 5,6,12,13) | Logic control inputs | Low = ON (closed NC path); High = OFF (open circuit); 1.8V-compatible thresholds |
| NC1–NC4 (Pins 1,3,8,11) | Normally closed switch terminals | Directly connected to COMx when INx = LOW; isolated when INx = HIGH |
| COM1–COM4 (Pins 2,4,9,10) | Common analog terminals | Bidirectional signal ports - accept input or output with no polarity restriction |
| V+ (Pin 14) | Positive supply | Single rail powering all switches and logic; bypass capacitor required at pin |
| GND (Pins 7,13) | Ground reference | Dual ground pins reduce ground bounce in multi-channel switching events |
Key Features
| Feature | Design Value |
|---|---|
| NC-switch topology | Ensures default-closed signal path during power-up or logic fault - critical for fail-safe power routing |
| 0.12Ω RON matching | Guarantees <0.1% inter-channel gain error in differential or multi-path signal conditioning |
| 31pF NO_ off-capacitance | Minimizes crosstalk and loading in high-impedance audio line drivers and sensor front-ends |
| –65dB off-isolation @ 1MHz | Suppresses >2000:1 signal bleed between inactive channels in RF-adjacent mixed-signal boards |
| Charge injection: 21pC | Reduces glitch-induced DC offset in precision ADC sample-and-hold circuits |
Applications
| Portable Audio Routing | Battery-Powered Data Acquisition |
|---|---|
|
Use Scenario: Switching microphone inputs, headphone outputs, and codec line drivers in smartphones and wireless earbuds. IC Role / Device Role / Timing Role: Quad NC analog switch managing signal path continuity during mode transitions (e.g., call-to-playback). Use Value: 0.9Ω RON preserves SNR in 20Hz–20kHz audio band; 30ns switching prevents audible click/pop artifacts. |
Use Scenario: Multiplexing sensor outputs (thermocouples, strain gauges) into a shared ADC in handheld test equipment. IC Role / Device Role / Timing Role: Low-leakage NC switch isolating unused channels to prevent measurement drift and cross-talk. Use Value: ±5nA off-leakage avoids >1µV offset error in 10MΩ sensor bridges; rail-to-rail support captures full sensor voltage range. |
| Low-Voltage Power Path Control | PCMCIA/CardBus Interface Switching |
|
Use Scenario: Enabling/disabling power to USB peripherals, display backlights, or memory cards in ultra-thin laptops. IC Role / Device Role / Timing Role: Fail-safe NC switch maintaining default power delivery until host controller asserts shutdown. Use Value: 100mA continuous rating handles typical USB 2.0 loads; <1µW quiescent draw extends battery life during sleep states. |
Use Scenario: Isolating legacy PCMCIA card signals (VCC, I/O lines, interrupts) from host controller during hot-swap events. IC Role / Device Role / Timing Role: Quad SPST switch decoupling card-specific analog/digital paths before reconfiguration. Use Value: –80dB crosstalk prevents interference between simultaneous card functions; 1.8V logic compatibility matches CardBus signaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4751EUD+T | Quad NO (normally open) topology vs. MAX4752EUD+T's NC configuration | Suitable where default-open signal path is required (e.g., safety-critical disconnect) | Select MAX4751EUD+T when power-up state must isolate analog paths; pinout identical but logic polarity inverted |
| TMUX1574IPWR | 0.5Ω RON at 3.3V, but requires ≥1.08V logic high; no guaranteed –40°C operation | Optimized for higher-speed digital multiplexing (>100MHz bandwidth), not precision analog routing | Choose TMUX1574IPWR only if lower RON outweighs need for guaranteed industrial temp range and analog flatness specs |
Compared with MAX4751EUD+T, the MAX4752EUD+T provides fail-safe continuity by default; compared with TMUX1574IPWR, it offers superior temperature-stable RON flatness and guaranteed –40°C performance - making it preferred for battery-powered precision analog systems.
Availability
MAX4752EUD+T is available at Aetrix Electronics and suitable for portable audio routing, battery-powered data acquisition, and low-voltage power path control requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX4752EUD+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 high-performance analog and mixed-signal ICs for demanding industrial, automotive, and communications applications.
The MAX475x family targets low-voltage, low-power analog signal routing - specifically engineered for battery-operated devices needing rail-to-rail switching, nanowatt quiescent power, and guaranteed parametric stability over temperature.
FAQ
What is the default switch state of MAX4752EUD+T at power-up?
The MAX4752EUD+T features normally closed (NC) switches, meaning all four channels are conductive (ON) when IN1–IN4 are un-driven or held LOW. This fail-safe behavior ensures signal continuity during system initialization or control logic reset - a key differentiator from NO-type switches like the MAX4751EUD+T. The MAX4752EUD+T remains in this state until explicit HIGH logic is applied to its inputs.
Can MAX4752EUD+T operate from a 1.8V supply while maintaining specified performance?
Yes, the MAX4752EUD+T operates across +1.6V to +3.6V. At +1.8V, its on-resistance rises to 2.5Ω max (vs. 0.9Ω at +3V), and switching times increase to 35ns tON/30ns tOFF - all within datasheet limits. Input logic thresholds adjust to VIH = +1.0V and VIL = +0.4V, preserving reliable CMOS interfacing. The MAX4752EUD+T thus supports direct integration with 1.8V microcontrollers without level-shifting.
Does MAX4752EUD+T require external protection diodes for overvoltage conditions?
No - the MAX4752EUD+T includes internal ESD protection diodes on all analog pins (COM, NC), clamping signals to V+ + 0.3V and GND – 0.3V. However, if analog voltages may exceed these absolute maximum ratings (e.g., >+4V or <–0.3V), external series diodes (as shown in Figure 5 of the datasheet) are recommended. The MAX4752EUD+T itself does not require them for standard rail-to-rail operation within its specified supply range.
How does the 0.1Ω on-resistance flatness specification impact signal integrity?
The 0.1Ω max RON flatness means on-resistance varies by no more than 0.1Ω across the full 0–V+ analog input range - critical for minimizing harmonic distortion in audio paths and gain nonlinearity in sensor signal chains. For example, at 1V signal amplitude and 0.9Ω nominal RON, this flatness ensures <11% relative resistance change, directly contributing to the MAX4752EUD+T's 0.031% THD rating. This parameter is measured and guaranteed, not typical.
Is the TSSOP-14 package of MAX4752EUD+T RoHS-compliant and lead-free?
Yes, the "+T" suffix in MAX4752EUD+T explicitly denotes lead(Pb)-free and RoHS-compliant construction per Maxim Integrated's ordering nomenclature. The TSSOP-14 package uses matte tin lead finish and meets JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1) requirements. No lead content is present in die attach, bond wires, or external terminations - confirmed in the official Maxim package documentation for U14+1 outline.
MAX4752EUD+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 14-TSSOP
MAX4752EUD+T FAQ
1.How can I place an order for MAX4752EUD+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4752EUD+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 MAX4752EUD+T reliable?
The price and inventory of MAX4752EUD+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4752EUD+T is usually 5 days.
3.What payment methods are accepted for MAX4752EUD+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4752EUD+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4752EUD+T?
MAX4752EUD+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4752EUD+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 MAX4752EUD+T?
For technical support, including MAX4752EUD+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4752EUD+T requirements.
6.How does Aetrix verify that MAX4752EUD+T is sourced from the original manufacturer or authorized distributors?
All MAX4752EUD+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 MAX4752EUD+T meets industry standards.
7.What is the process for return or replacement of MAX4752EUD+T?
All MAX4752EUD+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4752EUD+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 MAX4752EUD+T part is unused and in its original packaging.
Return procedure for MAX4752EUD+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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