EUA2075.pdf• 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
• Operating Voltage: 3.3V-5.8V
• High Efficiency 85% at PO=3W, 4W Speaker,
VDD=5V, AGC Disable
• Filter-Free Class-D Amplifier
• Low Shutdown Current
- IDD=1mA 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
• Smooth mute activation deactivation
• UVPFunction
- Disable : Floating
• Output Power at THD+N=1%
BTL Mode
- 2.4W at VDD=5V, RL=4W
- 1.4W at VDD=5V, RL=8W
SE Mode
- 70mW at VDD=5V, RL=32W
Output Power at THD+N=10%
- 3W at VDD=5V, RL=4W
- 1.7W at VDD=5V, RL=8W
• 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
Auto-Recovery
• Power Enhanced Packages SSOP-24(236mil),
QFN4x4-20A
• Lead Free and Green Devices Available
(RoHS Compliant)
