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 4Ω 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
优势替代
FEATURES
• Operating Voltage: 3.1V-5.8V.
• High Efficiency 85% at PO=3W, 4Ω 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=4Ω
- 1.44W at VDD=5V, RL=8Ω SE mode
- 75mW at VDD=5V, RL=32Ω.
Output Power at THD+N=10%
- 3.14W at VDD=5V, RL=4Ω.
- 1.77W at VDD=5V, RL=8Ω.
• 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
