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Analog Devices Inc./Maxim Integrated MAX4661CAE+T
- Part No.:
- MAX4661CAE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package:
- 16-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
MAX4661CAE+T.pdf
- Description:
- IC SW SPST-NCX4 2.5OHM 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,549
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Product details
Overview
MAX4661CAE+T from Maxim Integrated is a quad SPST analog switch with four normally closed (NC) channels, 2.5Ω max on-resistance, ±4.5V to ±20V dual-supply or +4.5V to +36V single-supply operation, and rail-to-rail signal handling-designed for precision reed relay replacement in automated test equipment and data acquisition systems.
For engineers reviewing the MAX4661CAE+T datasheet, MAX4661CAE+T pinout, MAX4661CAE+T application, or MAX4661CAE+T equivalent, this device delivers guaranteed RON matching (≤0.5Ω), low 5nA off-leakage at +85°C, TTL/CMOS-compatible control inputs, and ESD protection exceeding 2kV-critical for high-reliability analog routing in avionics and communication systems.
Technical Context
The MAX4661CAE+T implements CMOS transmission-gate architecture with independent logic-level control per channel and separate VL pin enabling TTL/CMOS compatibility across full supply range. Its NC configuration ensures default-closed signal paths upon power loss or logic deassertion.
It supports rail-to-rail analog signals up to ±20V (dual) or 0–36V (single), with on-resistance flatness ≤0.5Ω over the entire signal range and matched RON between channels ≤0.5Ω-enabling low-distortion multiplexing in ADC front-ends and sample-and-hold circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| On-Resistance (RON) | 2.5Ω max - ensures minimal voltage drop and signal attenuation in precision analog paths |
| RON Match Between Channels | 0.5Ω max - enables accurate channel-to-channel gain matching in multi-path signal conditioning |
| RON Flatness | 0.5Ω max over signal range - maintains consistent insertion loss across full input voltage swing |
| Off-Leakage Current | 5nA max at +85°C - preserves signal integrity in high-impedance sensor interfaces and sample-and-hold hold phases |
| Supply Range | +4.5V to +36V single or ±4.5V to ±20V dual - supports industrial, automotive, and avionics power architectures |
| Logic Compatibility | TTL/CMOS inputs with dedicated VL pin - decouples logic threshold from analog supply, simplifying mixed-voltage system design |
| ESD Protection | >2kV per Method 3015.7 - enhances robustness in handling-sensitive test and field-deployed equipment |
Pinout & Package
MAX4661CAE+T is housed in a 16-pin SSOP (Shrink Small Outline Package) with 0.65mm pitch, 5.0mm × 6.2mm body size, and exposed pad not present-optimized for space-constrained PCB layouts in test instrumentation and modular data acquisition systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | IN1–IN4 | Digital control inputs; active-low logic closes NC switches (logic "0" = ON) |
| 2, 7, 10, 15 | COM1–COM4 | Analog common terminals - connected to load/sensor side of each NC switch |
| 3, 6, 11, 14 | NC1–NC4 | Normally closed analog terminals - default-connected to COM when IN = 0; open when IN = 1 |
| 4 | V− | Negative analog supply rail; tied to GND for single-supply operation |
| 5 | GND | Ground reference for logic and analog return paths |
| 12 | VL | Separate logic supply input - sets input threshold independently of V+/V− |
| 13 | V+ | Positive analog supply rail - defines upper signal limit and bias for internal circuitry |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail signal handling | Supports analog signals from V− to V+ without clipping - essential for full-scale sensor interfacing and audio routing |
| Guaranteed RON match (≤0.5Ω) | Enables precise channel balancing in differential or multi-channel measurement systems without calibration overhead |
| Low 5nA off-leakage at +85°C | Maintains accuracy in high-Z sample-and-hold and battery-powered portable instrumentation |
| Break-before-make not applicable | MAX4661CAE+T is NC-only; no break-before-make timing - simplifies timing analysis in fail-safe closed-path designs |
| 2kV+ ESD protection | Reduces need for external transient suppression in benchtop test fixtures and field-replaceable modules |
Applications
| Reed Relay Replacement | ADC Front-End Multiplexing |
|---|---|
|
Use Scenario: Replacing electromechanical relays in automatic test equipment (ATE) switching matrices where cycle life, speed, and size are critical. IC Role / Device Role / Timing Role: Quad NC analog switch providing fail-safe closed path during power-down and fast (<500ns) channel selection under digital control. Use Value: Eliminates relay bounce, wear-out, and coil drive complexity while maintaining <2.5Ω path resistance and <5nA leakage at elevated temperature. |
Use Scenario: Routing multiple sensor outputs to a shared ADC input in industrial process monitoring systems with wide dynamic range requirements. IC Role / Device Role / Timing Role: Low-RON, matched analog switch ensuring uniform gain and minimal crosstalk between channels during sequential sampling. Use Value: Achieves ≤0.5Ω RON flatness and ≤0.5Ω inter-channel RON mismatch - preserving linearity and reducing calibration burden across 16-bit+ conversions. |
| Avionics Signal Routing | Audio-Signal Switching |
|
Use Scenario: Selecting between redundant flight control sensors (e.g., air data modules) in certified airborne electronics with strict reliability and fault-tolerance mandates. IC Role / Device Role / Timing Role: Fail-safe NC switch ensuring default signal continuity during logic fault or power interruption - compliant with DO-254 functional safety expectations. Use Value: Delivers >2kV ESD immunity and operation over −40°C to +85°C (via MAX4661EAE variant), meeting RTCA/DO-160 environmental stress requirements. |
Use Scenario: Muting, routing, or mixing line-level audio signals in professional broadcast mixers and studio interface hardware requiring low THD and silent switching. IC Role / Device Role / Timing Role: Low-charge-injection (20pC typ), rail-to-rail analog switch minimizing pop/click artifacts during real-time channel changes. Use Value: Enables <−60dB crosstalk and <−56dB off-isolation at 1MHz - preserving channel separation in multi-track recording environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar analog switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4662CAE+T | Quad NO (normally open) configuration vs. MAX4661CAE+T's NC topology; identical RON, leakage, and supply specs | Suitable where default-open safety state is required (e.g., power-off isolation of hazardous signals) | Select MAX4662CAE+T only if system requires de-energized-open behavior; pinout and footprint are identical but logic polarity is inverted. |
| ADG1414BRUZ | Quad SPST, 1.8Ω max RON, ±15V supply, but no separate VL pin - logic thresholds track V+ and require level-shifting in mixed-supply systems | Better RON for ultra-low-loss paths, but lacks independent logic supply - limits use in 3.3V-control/±15V-analog systems without translation | Choose ADG1414BRUZ when lowest possible on-resistance is critical and logic/analog supply domains are aligned; MAX4661CAE+T preferred for flexible voltage domain partitioning. |
Compared with MAX4662CAE+T, the MAX4661CAE+T provides fail-safe continuity in power-loss scenarios; versus ADG1414BRUZ, it trades 0.7Ω lower RON for guaranteed logic-level independence via VL-making it superior for heterogeneous supply architectures in test and avionics systems.
Availability
MAX4661CAE+T is available at Aetrix Electronics and suitable for automated test equipment, avionics signal routing, and precision data acquisition systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX4661CAE+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) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and computing markets.
The MAX4661CAE+T belongs to Maxim's precision analog switch product line, engineered specifically for replacing electromechanical relays in high-reliability, low-distortion signal routing applications demanding rail-to-rail operation and guaranteed parametric matching.
FAQ
What is the operating temperature range for the MAX4661CAE+T?
The MAX4661CAE+T is rated for 0°C to +70°C ambient operation, as indicated by the 'C' grade suffix in its part number. This commercial-grade temperature range suits benchtop test equipment, industrial controllers, and non-military embedded systems where extended thermal margins are not required. For industrial or automotive applications needing −40°C to +85°C, the MAX4661EAE+T variant is specified.
Does the MAX4661CAE+T support single-supply operation?
Yes, the MAX4661CAE+T supports single-supply operation from +4.5V to +36V. In this mode, V− must be connected to GND, while V+ supplies the positive rail. The device maintains rail-to-rail analog signal handling from 0V to V+, and the dedicated VL pin allows independent logic-level setting-enabling direct interface with 3.3V or 5V microcontrollers regardless of analog supply voltage.
How does the MAX4661CAE+T differ from the MAX4663CAE+T?
The MAX4661CAE+T integrates four normally closed (NC) switches, whereas the MAX4663CAE+T combines two NC and two NO switches with guaranteed break-before-make timing. The MAX4661CAE+T has no break-before-make specification-it is optimized for fail-safe closed-path operation. Both share identical package, RON, leakage, and supply specifications, but their truth tables and default states are fundamentally different.
What is the maximum off-isolation performance of the MAX4661CAE+T?
The MAX4661CAE+T delivers −56dB typical off-isolation at 1MHz under dual-supply conditions (V+ = +15V, V− = −15V). This value decreases with increasing frequency due to capacitive coupling, dropping to approximately −30dB at 100MHz. For high-frequency isolation-critical applications above 5MHz, layout optimization and guard traces are essential-and alternative devices like the MAX440 series are recommended for fully characterized RF performance.
Can the MAX4661CAE+T handle bipolar analog signals?
Yes, the MAX4661CAE+T supports true bipolar analog signal routing when operated from dual supplies (±4.5V to ±20V). Its rail-to-rail architecture allows input signals spanning from V− to V+, enabling seamless handling of ±10V sensor outputs, audio waveforms, or industrial current-loop derived voltages without clipping or distortion-provided proper supply sequencing and external protection diodes are used per datasheet recommendations.
MAX4661CAE+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:
- 4
- On-State Resistance (Max):
- 2.5Ohm
- Channel-to-Channel Matching (ΔRon):
- 100mOhm
- Voltage - Supply, Single (V+):
- 4.5V ~ 36V
- Voltage - Supply, Dual (V±):
- ±4.5V ~ 20V
- Switch Time (Ton, Toff) (Max):
- 275ns, 175ns
- -3db Bandwidth:
- -
- Charge Injection:
- 300pC
- Channel Capacitance (CS(off), CD(off)):
- 55pF, 55pF
- Current - Leakage (IS(off)) (Max):
- 500pA
- Crosstalk:
- -59dB @ 1MHz
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SSOP
MAX4661CAE+T FAQ
1.How can I place an order for MAX4661CAE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4661CAE+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 MAX4661CAE+T reliable?
The price and inventory of MAX4661CAE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4661CAE+T is usually 5 days.
3.What payment methods are accepted for MAX4661CAE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4661CAE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4661CAE+T?
MAX4661CAE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4661CAE+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 MAX4661CAE+T?
For technical support, including MAX4661CAE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4661CAE+T requirements.
6.How does Aetrix verify that MAX4661CAE+T is sourced from the original manufacturer or authorized distributors?
All MAX4661CAE+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 MAX4661CAE+T meets industry standards.
7.What is the process for return or replacement of MAX4661CAE+T?
All MAX4661CAE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4661CAE+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 MAX4661CAE+T part is unused and in its original packaging.
Return procedure for MAX4661CAE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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