The AS1703 is an obsolete audio amplifier integrated circuit (IC) designed for linear amplification of audio signals. It is manufactured by OSRAM Opto Semiconductors Inc.

• Type: Class AB Amplifier
• Maximum Output Power: 1.8W @ 4 ohms
• Supply Voltage Range: 2.7V to 5.5V
• Features: Depop, differential inputs, short-circuit and thermal protection, and shutdown functionality
• Applications: Portable audio devices, headphones, and small speakers
• Package: 10-TFSOP, 10-MSOP
• Width: 0.118 inches (3.00mm)
• Standard Package Quantity: 50 pcs
• ECCN Classification: EAR99
• Note: Obsolete product