BL6305MM
BL6305MM is 2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier manufactured by BELLING.
- Part of the BL6305 comparator family.
- Part of the BL6305 comparator family.
BL6305
2.6 Watt Mono Filter-Free Class-D Audio Power Amplifier
Features
Efficiency With an 8-Ω Speaker: 88% at 400 m W 80% at 100 m W
2.1m A Quiescent Current 0.4µA Shutdown Current Optimized PWM Output Stage Eliminates LC Output Filter Internally Generated 250-k Hz Switching Frequency Eliminates Capacitor and Resistor Improved PSRR (- 75 d B) and Wide Supply Voltage (2.5 V to 5.5 V) Eliminates Need for a Voltage Regulator Fully Differential Design Reduces RF Rectification and Eliminates Bypass Capacitor Improved CMRR Eliminates Two Input Coupling Capacitors MSOP8, SOP8, DFN8 package
General Description
The BL6305 is a 2.6W high efficiency filter-free class-D audio power amplifier that requires only three external ponents.
Features like 88% efficiency,
- 75d B PSRR, and improved RF-rectification immunity make the BL6305 ideal for cellular handsets. In cellular handsets, the earpiece, speaker phone, and melody ringer can each be driven by the BL6305.
Applications
Mobile phone、PDA MP3/4、PMP Portable electronic devices
Order Information
Part Number BL6305MM BL6305DN BL6305SO
Pin Diagrams
Package MSOP8 DFN8 SOP8
Shipping 3000 pcs / Tape & Reel 3000 pcs / Tape & Reel 2500 pcs / Tape & Reel http://.belling..cn
- Page 1 of 9
- Ver1.2
BL6305
Pin Description
Pin # 1 2 3 4 5 6 7 8
Name SDB
IN+ INVO+ VDD PGND VO-
Description Shutdown terminal (low active) NC (No internal connection) Positive differential input Negative differential input Positive BTL output Power Supply Power Ground Negative BTL output
Function Block Diagram
Av1 = 170k/Ri
170k
(4) IN-
Amp1
(3)...
