MAX4758

PRODUCTION

Quad DPDT Audio/Data Switches in UCSP/QFN

Analog Devices MAX4758 Product Info

10 February 2026 6

Features

Data and Audio Signal Routing
Low On-Resistance (0.5Ω) Audio Switches
0.2Ω On-Resistance Flatness
0.1Ω Channel-to-Channel Matching
Low-Capacitance (25pF) Data Switches (MAX4759)
0.2ns Skew (MAX4759)
0.03% THD
+1.8V to +5.5V Supply Range
Rail-to-Rail Signal Handling
Tiny 36-Bump UCSP (3mm x 3mm)
36-Pin Thin QFN (6mm x 6mm)

Part details & applications

The MAX4758/MAX4759 quad double-pole/double-throw (DPDT) analog switches operate from a single +1.8V to +5.5V supply. These switches feature low 0.5Ω on-resistance for audio switching and a low 25pF capacitance for data switching.

The MAX4758 has eight 0.5Ω on-resistance switches to switch audio signals. The MAX4759 has four 0.5Ω on-resistance switches to route audio signals and four 25pF capacitance switches to route data signals. The MAX4758/MAX4759 have four logic inputs to control the switches in pairs.

The MAX4758/MAX4759 are available in a small 36-pin (6mm x 6mm) thin QFN and 36-bump (3mm x 3mm) chip-scale package (UCSP™).

Applications

Audio-Signal Routing
Cell Phones
Notebook Computers
PDAs/Handheld Devices
Speaker-Headset Switching
USB Signal Switching

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