The MAX4740/MAX4740H low on-resistance (0.61Ω typ) analog switches operate from a single 1.6V to 5.5V supply. The MAX4740/MAX4740H are quad, single-pole, double-throw (SPDT) switches and are configured to route audio signals. The MAX4740/MAX4740H are pin-to-pin compatible parts with the ST Microelectronics quad SPDT STG3699 analog switch.
The MAX4740 is a quad SPDT switch and the MAX4740H is a quad SPDT switch that can be placed in a high-impedance mode. Switching logic is controlled by 2 control bits (CB1 and CB2). The MAX4740/MAX4740H also feature a low on-resistance match (0.06Ω) and low power-supply current (0.3µA), which increases battery life.
The MAX4740/MAX4740H are available in a tiny 3mm x 3mm, 16-pin TQFN-EP, and 2.5mm x 2.5mm, 16-pin ultra-thin QFN packages.
Key Features
Applications/Uses
Low On-Resistance (0.61Ω typ)
0.06Ω (typ) Channel-to-Channel Matching
0.32Ω (typ) On-Resistance Flatness
1.6V to 5.5V Single-Supply Voltage
High PSRR Reduces Supply Noise (-60dB typ)
0.08% Total Harmonic Distortion
-68dB typ Crosstalk (100kHz)
-64dB typ Off-Isolation (100kHz)
Low Supply Current (0.3µA typ)
Low Leakage Current (0.1µA typ)
Pin-to-Pin Compatible with ST Micro STG3699
(3mm x 3mm) 16-Pin TQFN, and (2.5mm x 2.5mm) 16-Pin Ultra-Thin QFN Packages
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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