1 Watt Audio Power Amplifier, EUA4890 Replace PT5301.
EUA4890
EUA4890.pdf
FEATURES
• 2.5-5.5V operation
• 65dB PSRR at 217Hz, VDD=5V
• 0.1µA ultra low current shutdown mode
• Improved pop & click circuitry
• No output coupling capacitors, snubber networks
or bootstrap capacitors required
• Thermal shutdown protection
• Unity-gain stable
• External gain configuration capability
• BTL output can drive capacitive loads
• RoHS compliant and 100% lead(Pb)-free
PIN CONFIGUTION
CROSS
FEATURES
• Low Distortion
0.50W @ VDD=5.0V, RL=8Ω THD+N = 0.03%
0.25W @ VDD=3.0V, RL=8Ω THD+N = 0.04%
0.15W @ VDD=2.6V, RL=8Ω THD+N = 0.05%
• Output Power @ 1% THD+N
1.25W @ VDD=5.0V, RL=8Ω
2.0W @ VDD=5.0V, RL=4Ω
0.425W @ VDD=3.0V, RL=8Ω
0.60W @ VDD=3.0V, RL=4Ω
0.30W @ VDD=2.6V, RL=8Ω
0.40W @ VDD=2.6V, RL=4Ω
• Ultra low shutdown current
• Improved pop & click noise eliminating function
• No need for output coupling or bootstrap capacitors
• 2.2 -5.5V operation supply voltage
• Thermal protection
• External gain configuration capability
• Pd free MSOP-8, DFN-8, and SMD-9 packages
• Unity-gain stable
PIN CONFIGUTION









