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MAX4365EUA

製品説明
仕様・特性

19-2387; Rev 3; 11/05 1.4W and 1W, Ultra-Small, Audio Power Amplifiers with Shutdown 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 TDFN (3mm ✕ 3mm ✕ 0.8mm) and µMAX® packages. Features ♦ 1.4W into 8Ω Load (MAX4364) ♦ 1W into 8Ω Load (MAX4365) ♦ 0.04% 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 TDFN, µMAX, and SO Packages Ordering Information PART Two-Way Radios -40°C to +85°C 8 SO -40°C to +85°C 8 µMAX MAX4365ETA PDAs PIN-PACKAGE MAX4365EUA Cellular Phones TEMP RANGE MAX4364ESA Applications -40°C to +85°C 8 TDFN-EP* TOP MARK — — ACD *EP = Exposed paddle. General-Purpose Audio Pin Configurations appear at end of data sheet. µMAX is a registered trademark of Maxim Integrated Products, Inc. Typical Application Circuit/Functional Diagram VCC 6 VCC 50kΩ CLICKLESS/POPLESS SHUTDOWN CONTROL SHDN 1 2 BIAS OUT- 8 CBIAS 50kΩ 3 IN+ CIN AUDIO INPUT 10kΩ 10kΩ OUT+ 5 RIN 4 IN- MAX4364 GND 7 RF ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 MAX4364/MAX4365 General Description

ブランド

MAXIM

会社名

Maxim Integrated

本社国名

U.S.A

事業概要

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