Powtech PT5305
The PT5305 is a filter-free class D audio power amplifier designed for portable communication device applications. It is capable of delivering 1.4 watt to an 8Ω load with less than 10% distortion (THD+N) from a 5V power supply.| Part No. | PT5305 |
|---|---|
| Datasheet | PT5305 Download |
| Manufacturer |  Powtech |
| Description | 1.4W Filter-free Class D Audio Power Amplifier |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
z 1.4W Into 8 Ω from a 5V supply at THD=10% (Typ) z High Efficiency: 84% at 400mW, 5V power supply and 8Ω speaker z 75dB PSRR at 217Hz z 2mA Quiescent Current z 0.5uA Shutdown Current z advanced pop & click circuitry z over current limiter z thermal overload protection z low power shutdown mode z Only Three External Components z Wide Supply Voltage (2.5V to 5.5V) z Space Saving Packages 3mm*3mm QFN package and 8-pin MSOP packageAPPLICATIONS
z Cell Phones z Handheld Computers and PDAs z Portable electronic deviceTYPICAL APPLICATIONS
150K In+ R1 -+ In- +- R1 150K SD Vdd Thermal Shutdown Cs PWM Vo+ HBridge Vo- Bias Gnd PT5305 PIN ASSIGNMENT 1 8 2 Shutdown Vo- 7 N.C. GND 3 +IN 6 VDD 4 -IN Vo+ 5 MSOP8 Top View Shutdown 1 N.C. 2 +IN 3 -IN 4 8 Vo7 GND 6 VDD 5 Vo+ QFN8 Top View PIN DESCRIPTIONS MSOP 1 2 3 4 5 6 7 8 Pin Names QFN 1 ShoutDown 2 NC 3 IN+ 4 IN- 5 VO+ 6 Vdd 7 Gnd 8 VO-DESCRIPTION
Shutdown terminal (No iintelrnal lconin)ection Positive differential in...
