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Analog Devices Inc./Maxim Integrated MAX4595EXK+T
- Part No.:
- MAX4595EXK+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
MAX4595EXK+T.pdf
- Description:
- IC SWITCH SPST-NCX1 10OHM SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:309
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Product details
Overview
MAX4595EXK+T from Maxim Integrated is a normally closed (NC) single-pole/single-throw (SPST) CMOS analog switch operating from a single +2.0V to +5.5V supply, featuring 10Ω max on-resistance, 1.5Ω max on-resistance flatness at +5V, and <40ns switching times. It is used in audio signal routing paths within battery-powered handheld devices where low leakage and bidirectional signal integrity are critical.
For engineers reviewing the MAX4595EXK+T datasheet, MAX4595EXK+T pinout, MAX4595EXK+T application, or MAX4595EXK+T equivalent, key selection criteria include NC default state, SC70-5 package footprint, guaranteed ≤5pC charge injection, -80dB off-isolation at 1MHz, and compatibility with TTL/CMOS logic levels across the full 2.0–5.5V supply range.
Technical Context
The MAX4595EXK+T implements a CMOS transmission-gate architecture optimized for low-voltage operation, with matched P- and N-channel devices ensuring symmetrical conduction and minimal THD (0.05%). Its NC configuration means the COM–NC path remains conductive when IN = LOW, breaking only upon logic HIGH assertion.
It supports rail-to-rail analog signal handling (0V to V+) with minimal RON variation-≤1.5Ω flatness over the full signal range at +5V-and maintains ≤0.5nA off-leakage across -40°C to +85°C. The device requires no external biasing and draws <1µA supply current at +5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 10Ω max at +5V - ensures minimal voltage drop and power loss in signal paths up to 10mA. |
| On-Resistance Flatness | 1.5Ω max over full analog range - preserves signal linearity and low distortion in audio/video routing. |
| Charge Injection | 5pC max - limits glitch-induced voltage step at COM during turn-off, critical for sample-hold and precision ADC interfaces. |
| Off-Isolation | -80dB at 1MHz - suppresses crosstalk between adjacent channels in multiplexed communication circuits. |
| Bandwidth (-3dB) | 300MHz at +25°C - supports high-fidelity video and broadband RF signal switching without attenuation. |
| Logic Compatibility | TTL/CMOS - interfaces directly with standard microcontroller GPIOs without level-shifting circuitry. |
| Supply Range | +2.0V to +5.5V - enables direct integration into 3.3V and 5V systems, including USB-powered peripherals. |
Pinout & Package
MAX4595EXK+T is housed in a 5-pin SC70-5 package (1.6mm × 1.6mm × 0.95mm), optimized for space-constrained portable designs. Pin 1 is NC (no internal connection); pins 2–5 are functional.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | N.C. | No internal connection - must be left floating or tied to GND per layout best practice; not usable as signal or control node. |
| 2 | NC | Analog terminal normally connected to COM - provides default continuity path when IN = LOW; bidirectional signal port. |
| 3 | GND | Ground reference for logic and analog domains - must be low-impedance and co-located with decoupling capacitor. |
| 4 | IN | Digital control input - active-HIGH logic turns OFF the NC path; compatible with 0.8V/2.4V thresholds across supply range. |
| 5 | V+ | Positive supply rail - powers both analog switch core and logic interface; requires local 100nF ceramic decoupling. |
Key Features
| Feature | Design Value |
|---|---|
| Normally Closed (NC) Default State | Ensures fail-safe signal continuity during power-up, reset, or MCU initialization - eliminates silent signal loss in audio playback paths. |
| Ultra-Low Charge Injection (≤5pC) | Minimizes transient voltage spikes at COM node, enabling reliable use in sample-and-hold circuits and precision sensor front-ends. |
| Bidirectional Signal Routing | NO, NC, and COM pins are functionally interchangeable - simplifies PCB layout and supports flexible signal flow direction without redesign. |
| SC70-5 Footprint | 1.6mm × 1.6mm body size - reduces board area by >50% vs. SOT-23-5, ideal for smartphones, wearables, and compact modems. |
| Rail-to-Rail Analog Range | Supports signals from GND to V+ - eliminates need for external clamping or level-shifting in single-supply systems. |
Applications
| Cellular Phone Audio Routing | DSL Modem Line Interface |
|---|---|
|
Use Scenario: Switching microphone and earpiece signals between baseband processor and codec in dual-mode GSM/UMTS handsets. IC Role / Device Role / Timing Role: NC-configured analog switch providing default audio path continuity during boot and low-power states. Use Value: Prevents mute-on-power-up and eliminates need for software-controlled "wake-up" delay before audio becomes active. |
Use Scenario: Isolating analog line-driver outputs from receiver inputs during echo cancellation and line testing phases in ADSL2+ modems. IC Role / Device Role / Timing Role: High-isolation SPST switch enabling dynamic reconfiguration of analog front-end signal chains. Use Value: Achieves -80dB off-isolation at 1MHz to suppress near-end crosstalk and meet ITU-T G.992.3 spectral mask requirements. |
| Battery-Powered Medical Sensor Hub | PCMCIA Card Signal Multiplexing |
|
Use Scenario: Routing ECG, SpO₂, and temperature sensor outputs to a shared ADC channel in a portable patient monitor. IC Role / Device Role / Timing Role: Low-leakage (≤0.5nA), rail-to-rail analog switch preserving DC accuracy and low-frequency fidelity. Use Value: Maintains <0.05% THD and ≤1.5Ω RON flatness to avoid baseline drift and amplitude error in sub-10Hz biomedical waveforms. |
Use Scenario: Selecting between multiple I/O functions (serial, parallel, memory) on Type II PCMCIA cards with shared connector pins. IC Role / Device Role / Timing Role: Fast-switching (tON/tOFF ≤40ns) SPST switch enabling dynamic pin reassignment under host control. Use Value: Enables hot-plug-compatible reconfiguration without bus contention, leveraging TTL/CMOS compatibility for direct FPGA/CPLD interfacing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SPST analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4595ELT+T | 6-pin µDFN-6 package (1.5mm × 1.0mm), exposed pad for thermal enhancement; identical electrical specs. | Preferred for higher-power-density layouts requiring improved thermal dissipation or tighter pitch constraints. | Select MAX4595ELT+T when board-level thermal resistance must be minimized or when µDFN assembly infrastructure is already in place. |
| ADG801BRMZ-REEL7 | NC variant with 0.5Ω typical RON, but 3.6V max supply; 0.3pC typical charge injection; SC70-6 package. | Better suited for ultra-low-distortion, low-voltage (<3.6V) precision instrumentation, not 5V-tolerant systems. | Choose ADG801BRMZ-REEL7 only if supply is strictly ≤3.6V and charge injection must be <1pC - not a drop-in replacement for 5V operation. |
Compared with MAX4595EXK+T, the MAX4595ELT+T offers identical functionality in a thermally superior µDFN package, while the ADG801BRMZ-REEL7 trades supply voltage range and package compatibility for lower RON and charge injection - making it suitable only in narrow low-voltage, high-fidelity niches.
Availability
MAX4595EXK+T is available at Aetrix Electronics and suitable for cellular phone audio routing, DSL modem line interface, and battery-powered medical sensor hub applications requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for MAX4595EXK+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, computing, and consumer applications.
The MAX4594–MAX4597 family delivers low-voltage, single-supply SPST analog switches targeting space- and power-constrained portable electronics - emphasizing NC/NO flexibility, rail-to-rail signal handling, and minimal distortion in audio/video signal chains.
FAQ
What is the default switch state of the MAX4595EXK+T?
The MAX4595EXK+T is a normally closed (NC) analog switch: when the IN pin is logic LOW (≤0.8V), the COM–NC path is conductive. Applying logic HIGH (≥2.4V) to IN opens the path. This NC behavior ensures signal continuity during system power-up or MCU reset, making MAX4595EXK+T ideal for fail-safe audio routing where silence must be avoided.
Does the MAX4595EXK+T support rail-to-rail analog signals?
Yes, the MAX4595EXK+T supports analog signals from GND to V+ across its full specified supply range (+2.0V to +5.5V). Its CMOS transmission-gate structure maintains low and flat on-resistance (≤1.5Ω variation) over this entire range, enabling accurate switching of audio, sensor, and video signals without clipping or distortion - a key capability confirmed in the device's Typical Operating Characteristics graphs.
What is the maximum allowable supply voltage for the MAX4595EXK+T?
The absolute maximum supply voltage (V+) for the MAX4595EXK+T is +6V, but the recommended operating range is +2.0V to +5.5V. Operation above +5.5V risks permanent damage, and electrical specifications (e.g., RON, leakage, timing) are only guaranteed within the +2.0V to +5.5V range. Exceeding +5.5V voids parametric compliance even if below the +6V absolute limit.
Can the NO, NC, and COM pins of the MAX4595EXK+T be used interchangeably?
Yes - the MAX4595EXK+T is fully bidirectional: NO, NC, and COM pins are electrically identical and interchangeable. Signals pass with equal performance in either direction, and any pin may serve as input or output depending on PCB routing. This flexibility simplifies layout and supports dynamic signal-path reconfiguration without changing component placement.
What is the purpose of Pin 1 (N.C.) on the MAX4595EXK+T SC70-5 package?
Pin 1 of the MAX4595EXK+T is labeled N.C. (No Connection) and has no internal connection to the die. It must not be used as a signal or power node. Best practice is to leave it unconnected or tie it to GND for mechanical stability and EMI reduction - but never route a trace to it for electrical functionality, as doing so provides no benefit and risks contamination or solder bridging.
MAX4595EXK+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Circuit:
- SPST - NC
- Multiplexer/Demultiplexer Circuit:
- 1:1
- Number of Circuits:
- 1
- On-State Resistance (Max):
- 10Ohm
- Channel-to-Channel Matching (ΔRon):
- -
- Voltage - Supply, Single (V+):
- 2V ~ 5.5V
- Voltage - Supply, Dual (V±):
- -
- Switch Time (Ton, Toff) (Max):
- 35ns, 40ns
- -3db Bandwidth:
- 300MHz
- Charge Injection:
- 2pC
- Channel Capacitance (CS(off), CD(off)):
- 8pF, 8pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-5
MAX4595EXK+T FAQ
1.How can I place an order for MAX4595EXK+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4595EXK+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 MAX4595EXK+T reliable?
The price and inventory of MAX4595EXK+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4595EXK+T is usually 5 days.
3.What payment methods are accepted for MAX4595EXK+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4595EXK+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4595EXK+T?
MAX4595EXK+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4595EXK+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 MAX4595EXK+T?
For technical support, including MAX4595EXK+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4595EXK+T requirements.
6.How does Aetrix verify that MAX4595EXK+T is sourced from the original manufacturer or authorized distributors?
All MAX4595EXK+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 MAX4595EXK+T meets industry standards.
7.What is the process for return or replacement of MAX4595EXK+T?
All MAX4595EXK+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4595EXK+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 MAX4595EXK+T part is unused and in its original packaging.
Return procedure for MAX4595EXK+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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