3W Stereo Class D Audio Power Amplifier and Class AB Headphone Driver (DC Volume Control, UVP, AGC), EUA2075A P2P PAM8019E.
EUA2075/A
EUA2075/A.pdf
FEATURES
• 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: 2.5V to 6.0V
• 4W Stereo Class D with 88mW Class-AB Headphone Driver
• Output Power
- Class-D Amplifier THD+N = 10%
VDD = 5V: RL = 4Ω, PO = 3W; RL = 8Ω, PO = 1.78W
VDD = 5.8V: RL = 4Ω, PO = 4W; RL = 8Ω, PO = 2.34W
- Class-D Amplifier THD+N = 1%
VDD = 5V: RL = 4Ω, PO = 2.41W; RL = 8Ω, PO = 1.44W
VDD = 5.8V: RL = 4Ω, PO = 3.27W; RL = 8Ω, PO = 1.92W
- Class-AB Headphone Amplifier THD+N = 1%
VDD = 5V, RL = 32Ω, PO = 66mW
VDD = 5.8V, RL = 32Ω, PO = 88mW
• 40µVrms Noise of Class-D Amplifier at the max Gain
• 90% Efficiency at VDD = 5V, PO = 3W x 2ch, 4Ω Loading
• 62 Step DC Volume Control with Hysteresis from -60dB to
+20dB
• Non-Clip Power Limit (NCPL) and AGC Function
• Speaker Open Short Detection During Startup
• SSM Help Easily Pass EMI with Simple FB-C
• Thermal and Overcurrent Protection with Auto-Recovery
PIN CONFIGUTION









