3W Stereo Class D Audio Power Amplifier and Class AB Headphone Driver (DC Volume Control, UVP, AGC), EUA2075A P2P APA2609A.
EUA2075/A
EUA2075/A.pdf
EUA2075/A.pdfFEATURES
? Wide Supply Voltage: 2.7V to 5.5V
? Unique Modulation Scheme Reduces EMI Emission
? 2.8W/ch into an 4? Load From 5V Supply
? 64-Step DC Volume Control
? Headphone Output Function
? Auto Gain Control
? Thermal and Short-Circuit Protection
? Integrated Click and Pop Suppression
? Available in SOP-24 and TQFN-20 Packages
? RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
PIN CONFIGUTION
優(yōu)勢替代
FEATURES
? Operating Voltage: 3.1V-5.8V.
? High Efficiency 85% at PO=3W, 4? Speaker, VDD=5V
? Filter-free Class D Amplifier
? Low Shutdown Current
- IDD=1μA at VDD=5V
? 64 Steps Volume Adjustable from -80dB to +20dB
by DC Voltage with Hysteresis
? AGC (Non-Clip) Function
- Disable : 0.45VDD~VDD, Floating
- Max, Power : Internal set limit level AGC<0.27VDD
? Under Voltage Protection Function
- Disable : Floating
? Output Power at THD+N=1% BTL mode
- 2.55W at VDD=5V, RL=4?
- 1.44W at VDD=5V, RL=8? SE mode
- 75mW at VDD=5V, RL=32?.
Output Power at THD+N=10%
- 3.14W at VDD=5V, RL=4?.
- 1.77W at VDD=5V, RL=8?.
? Less External Components Required
? Two Output Modes Allowable with BTL and SE
Modes Selected by SE/BTL pin
? Input signal and Headphone Output Signal in phase
? Thermal and Over-Current Protections with Au
to-Recovery
? Power Enhanced Packages
QFN4x4-20A(APA2609)
QFN3x3-20(APA2609A)
? Lead Free and Green Device Available(RoHS Com pliant)
PIN CONFIGUTION
