MAX4738 (2)
MAX4738 is available from Analog Devices at Xecor. Designed for low-voltage, low on-resistance (RON) analog switching, the MAX4738 offers exceptional performance with a maximum on-resistance of 4.5Ω, a wide supply voltage range of +1.8V to +5.5V, and fast switching times of 80ns (Ton) and 40ns (Toff). Available in a compact 14-TSSOP package, it is ideal for applications such as USB 1.1 signal switching, audio/video signal routing, battery-operated equipment, and low-voltage data-acquisition systems. Whether used in communications circuits, sample-and-hold circuits, or data acquisition systems, this series ensures high performance, low power consumption, and reliable operation for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX4738 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX4738EUD+ | 4.5 Ohms quad SPST analog switch provides high-fidelity switching with low voltage drop | TSSOP-14 | 5,745 | |
| MAX4738EUD+T | Analog Switch ICs with Quad SPST Analog Switches and 4.5 Ohm Resistance in UCSP | TSSOP-14 | 3,313 |
Key Featrues
Wide Supply Voltage Range: Operating from a single +1.8V to +5.5V supply, these switches are versatile and compatible with a variety of low-voltage systems, including battery-operated devices and portable electronics, enhancing their applicability across multiple use cases.
High Bandwidth and Fast Switching: Featuring a -3dB bandwidth of >300MHz and fast switch times (80ns Ton, 40ns Toff), these switches support high-speed signal routing with minimal delay, making them suitable for high-frequency applications like communications circuits and data acquisition systems.
Low Leakage Current: With leakage currents as low as <0.5nA at +25°C, the switches ensure minimal power loss when in the off state, improving energy efficiency and extending battery life in portable and low-power devices.
Excellent Signal Integrity: The switches offer high off-isolation (-55dB at 10MHz) and low crosstalk (-80dB at 10MHz), ensuring clean signal transmission with minimal interference, which is critical for high-fidelity audio/video routing and precision data acquisition systems.
Applications
Audio/Video Signal Switcher: The MAX4738 is perfect for switching audio and video signals in multimedia systems. With low distortion (0.03%) and high off-isolation (-55dB at 10MHz), it ensures clear and reliable signal routing, making it ideal for home theater systems, professional audio equipment, and video conferencing setups.
Battery-Powered Sensor Interface: The MAX4738 is well-suited for interfacing with sensors in battery-operated equipment. Its low leakage current (<0.5nA) and single-supply operation (1.8V to 5.5V) make it energy-efficient, enabling precise signal switching in portable medical devices, environmental monitoring systems, and IoT sensors.
Data Acquisition System Multiplexer: The MAX4738 is an excellent choice for multiplexing signals in low-voltage data acquisition systems. With fast switching times (80ns Ton, 40ns Toff) and low channel capacitance (20pF), it ensures accurate and rapid signal sampling, making it ideal for industrial automation, test and measurement, and scientific research applications.
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