MAX4741EKA+ Analog Devices Integrated Circuit (SOT23 (8-Pin)) In Stock
MAX4741EKA+ is a single-channel SPST analog switch IC from Analog Devices (Maxim) with 55 dB off-state isolation in a tiny 8-pin SOT-23 package, ideal for signal routing and multiplexing. Normally-open configuration supports clean signal switching in audio, video, and data acquisition systems. Available from stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- SOT23 (8-Pin)
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX4741EKA+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single-channel SPST normally-open configuration with 55 dB off-state isolation minimizes signal crosstalk in precision analog paths
- 8-pin SOT-23 package (R-PDSO-G8) provides an ultra-compact footprint suitable for space-constrained portable and handheld device designs
- Dual-function device (2 functions in 1 package) enables flexible signal routing with low on-resistance in a single compact IC
Applications
The MAX4741EKA+ analog switch is used in audio signal routing, battery-powered instrumentation, and data acquisition front-ends where a single-channel SPST switch with high off-isolation is needed. Its 8-pin SOT-23 package and 55 dB isolation make it well suited for multiplexing sensor inputs in portable medical devices, communication equipment, and handheld test instruments.
Specifications
| Manufacturer Package Code | 8-SOT_23-N/A |
| Date Of Intro | 2001-07-01 |
| YTEOL | 9 |
| Analog IC - Other Type | SPST |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Normal Position | NO |
| Number of Channels | 1 |
| Number of Functions | 2 |
| Off-state Isolation-Nom | 55dB |
| On-state Resistance Match-Nom | 0.05Ω |
| On-state Resistance-Max (Ron) | 0.8Ω |
| Output | SEPARATE OUTPUT |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.1 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Signal Current-Max | 0.15A |
| Supply Current-Max (Isup) | 0.0002mA |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 1.6V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Switch-off Time-Max | 16ns |
| Switch-on Time-Max | 24ns |
| Switching | BREAK-BEFORE-MAKE |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (8-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What off-state isolation does MAX4741EKA+ provide and why is this important for analog signal switching?
The MAX4741EKA+ achieves 55 dB off-state isolation, which means signals on the switch input are attenuated by over 55 dB when the switch is open. This high isolation prevents signal leakage between channels in audio mixers, RF signal paths, and sensor multiplexers where cross-talk below -55 dB is required for accurate measurements.
What package does MAX4741EKA+ use and how small is its PCB footprint?
MAX4741EKA+ is housed in an 8-pin SOT-23 (R-PDSO-G8) surface mount package measuring approximately 2.9 mm × 1.6 mm. This tiny footprint makes it one of the most space-efficient SPST analog switches available, suitable for portable devices, wearables, and high-density PCB designs where board area is at a premium.
When should MAX4741EKA+ be preferred over a relay for analog signal switching in a battery-powered instrument?
MAX4741EKA+ should be preferred over a relay in battery-powered instruments because it consumes microamp-level quiescent current, switches in microseconds rather than milliseconds, and fits in an 8-pin SOT-23 package that is orders of magnitude smaller than the smallest relay. Relays require coil currents of 50 mA to 150 mA, while the MAX4741EKA+ logic-level control adds negligible power in portable applications operating from a 2.7 V to 5.5 V supply.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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