SA1622

SA1622 AUDIO PRE-AMPLIFIER&POWER AMPLIFIER DESCRIPTION The SA1622/S/A/B is a monolithic audio power amplifier IC. This IC include pre-amplifier, power amplifier and electrical volume. Option stereo and BTL power amplifier by OPT pin. 110mW X 2 FEATURES * Option stereo and BTL power amplifier by OPT pin. * Built-in electrical volume * Built-in ripple filter * Audio Power amplifier output * Stereo mode SA1622S/A/B :110 mW (Typ.), VCC=3 V, RL=8Ω SA1622:450 mW (Typ.), VCC=6 V, RL=8 Ω * BTL mode SA1622S/A/B:320 mW (Typ.), VCC=3 V, RL=8 Ω SA1622:360 mW (Typ.), VCC=3 V, RL=8 Ω ORDERING INFORMATION Part No. SA1622 SA1622S SA1622A SA1622B Package DIP-16-300-2.54 SOP-16-300-1.27 SOP-16-225-1.27 SSOP-16-300-0.65 APPLICATION * Suitable for stereo and BTL audio power amplifier radios and clock radios and headphone radios and Walkman etc. BLOCK DIAGRAM www.DataSheet4U.com HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 1 of 9 SA1622 ABSOLUTE MAXIMUM RATINGS (Tamb=25°C) Characteristic Supply Voltage Operating Temperature Storage Temperature Symbol VCC Topr Tstg Value 8 -10~+60 -65~+150 410(SA1622S) Allow Power Dissipation PD 1200(SA1622) 400(SA1622A) 350(SA1622B) Unit V °C °C mW mW mW mW ELECTRICAL CHARACTERISTICS (Tamb=25°C, other wise specified, SA1622: VCC=6V; SA1622S/A/B: VCC=3V) Characteristic Stereo Mode Supply Voltage Circuit Current During No Signal Audio Voltage Gain Lch VCC SA1622 SA1622S/A/B Circuit current during no signal -40dB...