Spot sales of MAX4364ESA+ 1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown SOP8

Product Descriptions

The MAX4364/MAX4365 are bridged audio power amplifiers intended for portable audio devices with internal speakers. The MAX4364 is capable of delivering 1.4W from a single 5V supply and 500mW from a single 3V supply into an 8Ω load. The MAX4365 is capable of delivering 1W from a single 5V supply and 450mW from a single 3V supply into an 8Ω load. The MAX4364/MAX4365 feature 0.04% THD + N at 1kHz, 68dB PSRR at 217Hz and only 10nA of supply current in shutdown mode. 

The MAX4364/MAX4365 bridged outputs eliminate the need for output-coupling capacitors, minimizing external component count. The MAX4364/MAX4365 also include internal DC bias generation, clickless operation, short-circuit and thermal-overload protection. Both devices are unity-gain stable, with the gain set by two external resistors. 

The MAX4364 is available in a small 8-pin SO package. The MAX4365 is available in tiny 8-pin thin QFN (3mm ✕ 3mm ✕ 0.8mm) and µMAX packages.

Product Features

♦ 1.4W into 8Ω Load (MAX4364)

♦ 1W into 8Ω Load (MAX4365)

♦ 0.04 PERCENT THD + N at 1kHz

♦ 68dB PSRR at 217Hz

♦ 2.7V to 5.5V Single-Supply Operation

♦ 5mA Supply Current

♦ Low-Power, 10nA Shutdown Mode

♦ Pin Compatible with the LM4861/LM4862/LM4864 (MAX4364)

♦ Clickless Power-Up and Shutdown

♦ Thermal-Overload and Short-Circuit Protection

♦ Available in Thin QFN, µMAX, and SO Packages

Product Applications

Cellular Phones

PDAs

Two-Way Radios

General-Purpose Audio

Product Specifications

Product Photos

For more product information, please download the PDF