Analog Devices Inc./Maxim Integrated MAX20336ENT+T
- Part No.:
- MAX20336ENT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 6-XFBGA, WLBGA
- Datasheet:
-
MAX20336ENT+T.pdf
- Description:
- IC SWITCH DPSTX1 330MOHM 6WLP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
The MAX20336ENT+T from Maxim Integrated is a double-pole/single-throw (DPST) analog switch with Beyond-the-Rails™ capability, enabling distortion-free signal switching from −5.5V to +5.5V independent of supply voltage. It features 0.19Ω typical on-resistance, operates from a single +1.6V to +5.5V supply, consumes only 65μA at 1.6V, and delivers −114dB THD+N for high-fidelity audio routing in space-constrained portable devices.
For engineers reviewing the MAX20336ENT+T datasheet, MAX20336ENT+T pinout, MAX20336ENT+T application, or MAX20336ENT+T equivalent, this device is selected for ultra-low RON, rail-to-rail signal handling beyond VCCEN, GPIO-powered enable control, and ESD-hardened analog path integrity in mobile audio/video signal routing.
Technical Context
The MAX20336ENT+T implements a DPST topology with two independent COM–NO switch pairs, each supporting bidirectional analog signal flow without polarity constraints. Its charge-pump–free architecture enables Beyond-the-Rails operation by internally biasing the channel FETs to pass signals below GND or above VCCEN without clipping or distortion.
Control is supply-enabled: VCCEN serves as both power input and functional enable-switches enter high-impedance state when VCCEN = 0V, and all analog terminals withstand −5.5V to +5.5V regardless of supply presence. No external logic control line is required, distinguishing it from the CB-controlled MAX20337 variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switch Type | Double-pole/single-throw (DPST): two isolated COM–NO paths for simultaneous stereo or dual-signal routing. |
| Analog Signal Range | −5.5V to +5.5V independent of VCCEN: supports AC-coupled audio, DC-biased video, and negative-swing sensor signals without external bias rails. |
| On-Resistance (RON) | 0.19Ω typical at VCCEN = 2.5V: minimizes insertion loss and thermal drift in low-impedance audio paths (e.g., 32Ω headphones). |
| THD + Noise | −114dB typical at 1VRMS, 32Ω load: preserves dynamic range and fidelity in high-resolution portable audio playback. |
| Supply Voltage Range | +1.6V to +5.5V single supply: compatible with Li-ion battery discharge curve and GPIO-driven enable without level-shifting. |
| ESD Protection | ±30kV HBM on COM/NO pins: eliminates need for external TVS diodes in handheld USB-C/audio jack interfaces. |
| Off-Leakage Current | ±100nA max at VCCEN = 0V: ensures signal integrity during power-down mode in always-on audio subsystems. |
Pinout & Package
MAX20336ENT+T uses a 6-bump wafer-level package (WLP), 1.308mm × 0.828mm, 0.4mm pitch, with solder bumps on the bottom side. The package is RoHS-compliant and optimized for ultra-dense PCB layouts in smartphones and wearables.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| NO1 | Normally Open Terminal, Switch 1 | Signal path connected to COM1 only when switch is enabled; used for primary audio channel routing. |
| COM1 | Common Terminal, Switch 1 | Input/output node shared between NO1 and NC (not present on MAX20336); bidirectional analog signal interface. |
| NO2 | Normally Open Terminal, Switch 2 | Second independent signal path for stereo L/R, mic/speaker, or dual-data-line switching. |
| COM2 | Common Terminal, Switch 2 | Independent analog port for second channel; electrically isolated from COM1 for crosstalk suppression. |
| VCCEN | Supply Enable Input | Single-pin power/enable: drives internal bias circuitry; must be bypassed with 0.1µF capacitor to GND. |
| GND | Ground Reference | Return path for supply and analog signals; requires low-inductance connection to minimize noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Beyond-the-Rails™ analog range | Supports −5.5V to +5.5V signals with no distortion even when VCCEN = 1.6V - eliminates need for negative supply in audio codecs. |
| 0.19Ω typical on-resistance | Reduces voltage drop and harmonic generation in 32Ω headphone drivers, preserving SNR and channel balance. |
| 65μA supply current at 1.6V | Enables direct GPIO sourcing without additional regulators - simplifies power tree in battery-powered systems. |
| High-impedance shutdown mode | Switches disable completely at VCCEN = 0V while maintaining ±5.5V tolerance on all analog pins - safe for hot-plug interfaces. |
| ±30kV HBM ESD protection | Protects COM/NO pins against electrostatic discharge during assembly and end-user handling - reduces field failure risk. |
Applications
| Smartphone Audio Routing | USB-C Alternate Mode Switching |
|---|---|
|
Use Scenario: Dynamically reconfiguring audio paths between headset jack, speaker amplifier, and USB-C SBU lines in modern smartphones. IC Role / Device Role / Timing Role: DPST analog switch providing simultaneous stereo signal isolation and routing under system software control. Use Value: Enables single-chip support for wired audio, speaker output, and USB-C audio accessory modes without signal degradation or external biasing. |
Use Scenario: Selecting between legacy 3.5mm audio and USB-C digital audio paths in dual-mode portable navigation devices. IC Role / Device Role / Timing Role: Low-RON analog multiplexer managing analog microphone and ground return lines in USB-C connector circuits. Use Value: Maintains <−55dB off-isolation and <−85dB crosstalk across SBU1/SBU2 lines while surviving ±30kV ESD events at the connector. |
| Portable Media Player Output | Wearable Biometric Sensor Interface |
|
Use Scenario: Switching line-out signals between internal DAC and external headphone amplifier in compact media players. IC Role / Device Role / Timing Role: High-fidelity analog switch ensuring minimal THD+N and flat RON across full audio band (20Hz–20kHz). Use Value: Delivers −114dB THD+N at 1VRMS into 32Ω loads - meets Hi-Res Audio standard requirements for portable playback. |
Use Scenario: Multiplexing analog outputs from multiple biometric sensors (ECG, PPG) to a shared ADC input in fitness trackers. IC Role / Device Role / Timing Role: Ultra-low-leakage analog switch preserving microvolt-level sensor signals during channel selection. Use Value: ±100nA max off-leakage at VCCEN = 0V prevents DC offset accumulation and baseline drift in precision analog front-ends. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX20336AEFT+T | Same electrical specs, but in 6-pin FC2QFN (1.25mm × 1.75mm) instead of WLP; θJA = 171.6°C/W vs. 95.15°C/W. | Preferred for prototyping or manual assembly due to larger pitch (0.5mm) and visible leads; less suitable for ultra-thin form factors. | Select when board assembly process lacks WLP reflow capability or thermal margin allows higher junction temperature rise. |
| TMUX1574RSVR | SPDT configuration (1 COM, 1 NO, 1 NC); 0.5Ω RON; −105dB THD+N; no Beyond-the-Rails support; ±12kV HBM ESD. | Requires external negative bias for sub-GND signals; limited to single-channel use per device; lower ESD robustness. | Choose only if SPDT topology suffices and system already provides split supplies - not a drop-in replacement for MAX20336ENT+T's DPST/Beyond-the-Rails function. |
Compared with MAX20336AEFT+T, the MAX20336ENT+T offers superior thermal performance and smaller footprint for mass-produced mobile devices; compared with TMUX1574RSVR, it delivers true rail-to-rail signal handling, lower RON, and industry-leading ESD protection - critical for unshielded audio connectors in consumer electronics.
Availability
MAX20336ENT+T is available at Aetrix Electronics and suitable for smartphone audio routing, USB-C alternate mode switching, and portable media player output requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for MAX20336ENT+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 demanding industrial, automotive, and consumer applications.
The MAX20336ENT+T belongs to Maxim's ultra-small analog switch product line, engineered specifically for high-fidelity, ESD-hardened signal routing in battery-powered portable electronics with strict size and power constraints.
FAQ
What is the maximum analog signal voltage the MAX20336ENT+T can handle?
The MAX20336ENT+T supports analog signals from −5.5V to +5.5V on all NO and COM pins, regardless of VCCEN voltage level. This Beyond-the-Rails capability is guaranteed over the full operating temperature range (−40°C to +85°C) and does not require external bias supplies - a key differentiator for AC-coupled audio and video interfaces where signal swing exceeds the supply rail.
Does the MAX20336ENT+T require a separate logic control signal?
No. The MAX20336ENT+T uses VCCEN as both power supply and functional enable: switches turn ON when VCCEN is within +1.6V to +5.5V, and automatically enter high-impedance state when VCCEN = 0V. Unlike the MAX20337, it has no CB control pin - simplifying design by eliminating the need for GPIO-driven logic sequencing or level translation.
What is the thermal resistance (θJA) of the MAX20336ENT+T package?
The MAX20336ENT+T in its 6-bump WLP package has a junction-to-ambient thermal resistance (θJA) of 95.15°C/W on a four-layer PCB, per JEDEC JESD51-7. This value enables reliable operation up to +85°C ambient when dissipating ≤840.8mW continuous power - sufficient for typical audio switching loads with <100mA peak current.
Can the MAX20336ENT+T be used in stereo audio applications?
Yes. The MAX20336ENT+T integrates two fully independent DPST switches (COM1/NO1 and COM2/NO2), making it ideal for stereo left/right audio routing. Its matched on-resistance (ΔRON ≤ ±0.05Ω) and low crosstalk (−85dB) ensure channel balance and separation - critical for high-fidelity headphone amplifiers and codec interfaces in smartphones and tablets.
How does the ESD protection of MAX20336ENT+T compare to standard analog switches?
The MAX20336ENT+T provides ±30kV Human Body Model (HBM) ESD protection on COM and NO pins - over 10× higher than typical analog switches (±2kV–±4kV). This eliminates external ESD protection components in handheld device interfaces like 3.5mm jacks and USB-C connectors, reducing BOM cost and PCB area while improving system-level reliability.
MAX20336ENT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- Beyond-the-Rails™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- DPST
- Multiplexer/Demultiplexer Circuit:
- 2:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 330mOhm
- Channel-to-Channel Matching (ΔRon):
- 3mOhm
- Voltage - Supply, Single (V+):
- 1.6V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 1.7ms, 13.5ms (Typ)
- -3db Bandwidth:
- 270MHz
- Charge Injection:
- -
- Channel Capacitance (CS(off), CD(off)):
- 14pF
- Current - Leakage (IS(off)) (Max):
- 100nA
- Crosstalk:
- -85dB @ 100kHz
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-WLP (1.31x0.83)
MAX20336ENT+T FAQ
1.How can I place an order for MAX20336ENT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX20336ENT+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 MAX20336ENT+T reliable?
The price and inventory of MAX20336ENT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX20336ENT+T is usually 5 days.
3.What payment methods are accepted for MAX20336ENT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX20336ENT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX20336ENT+T?
MAX20336ENT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX20336ENT+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 MAX20336ENT+T?
For technical support, including MAX20336ENT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX20336ENT+T requirements.
6.How does Aetrix verify that MAX20336ENT+T is sourced from the original manufacturer or authorized distributors?
All MAX20336ENT+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 MAX20336ENT+T meets industry standards.
7.What is the process for return or replacement of MAX20336ENT+T?
All MAX20336ENT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX20336ENT+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 MAX20336ENT+T part is unused and in its original packaging.
Return procedure for MAX20336ENT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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