SA1622 AUDIO PRE-AMPLIFIER&POWER AMPLIFIER 110mW X 2 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. 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 APPLICATION * Suitable for stereo and BTL audio power amplifier radios and ORDERING INFORMATION Part No. Package SA1622 DIP-16-300-2.54 SA1622S SOP-16-300-1.27 SA1622A SOP-16-225-1.27 SA1622B SSOP-16-300-0.65 clock radios and headphone radios and Walkman etc. BLOCK DIAGRAM 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 Symbol Value Unit Supply Voltage VCC 8 V Operating Temperature Topr -10~+60 °C Storage Temperature Tstg -65~+150 °C 410(SA1622S) mW 1200(SA1622) mW 400(SA1622A) mW 350(SA1622B) mW Allow Power Dissipation PD ELECTRICAL CHARACTERISTICS (Tamb=25°C, other wise specified, SA1622: VCC=6V; SA1622S/A/B: VCC=3V) Characteristic Symbol Test conditions Min. Typ. Max. Unit SA1622 1.8 7.0 V SA1622S/A/B 1.8 4.5 V Stereo Mode Supply Voltage Circuit Current During No Signal Audio Voltage Gain Lch Audio Voltage Gain Rch Channel Balance VCC ID GV(Lch) GV(Rch) Bch Circuit current during SA1622 1.0 3.0 8.2 no signal SA1622S/A/B 1.0 3.0 7.7 SA1622 28 33.7 38 SA1622S/A/B 27 32.6 36 SA1622 28 33.7 38 SA1622S/A/B 27 32.6 36 -3 0 3 1.5 5.8 12 -40dBm 1kHz -40dBm 1kHz L and R channel balance mA dB dB dB -40dBm 1kHz Output level Attenuation Lch AV(Lch) SA1622 dB difference between Max volume and half SA1622S/A/B 1.0 4.3 12 SA1622 1.5 5.8 12 volume -40dBm 1kHz Output level Attenuation Rch AV(Rch) difference between Max volume and half dB SA1622S/A/B 1.0 4.3 SA1622 350 450 12 volume -20dBm 1kHz, EIAJ Output Lch PO(Lch) RL=8Ω Output level where THD=10% mW SA1622S/A/B 90 110 (To be continued) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 2 of 9 SA1622 (Continued) Characteristic Symbol Test conditions -20dBm 1kHz, EIAJ Output Rch PO(Rch) RL=8Ω Output level where THD=10% Audio Distortion Factor Lch Audio Distortion Factor Rch Residual Noise Level Lch Residual Noise Level Rch THD(Lch) THD(Rch) VD(Lch) VD(Rch) Crosstalk L→R CT(LR) Crosstalk R → L CT(RL) SA1622 Min. Typ. Max. 350 450 Unit mW SA1622S/A/B 90 -20dBm 1kHz, RL=8Ω 110 0.7 2.5 % 0.7 2.5 % -65 -60 dBm -65 -60 dBm -60 -56 dBm -60 -56 dBm 3 4.5 V Circuit current during no signal 3 7 mA 0 30 mV Distortion factor when output is 50mW -20dBm 1kHz, RL=8Ω Distortion factor when output is 50mW Noise level during no signal at Max volume Noise level during no signal at Max volume -40dBm 1kHz Rch output level when Lch is input -40dBm 1kHz Lch output level when Rch is input BTL mode VCC=3V Supply Voltage Circuit Current During No Signal VCC ID SA1622 ; SA1622S Output DC Bias Lag VBL Output DC bias lag Audio Voltage Gain GV -40dBm 1kHz 1.8 SA1622 34 38 42 SA1622S/A/B 30 37 43 SA1622 1.5 6.0 12 SA1622S/A/B 1.0 5.0 12 SA1622 260 360 SA1622S/A/B 220 320 dB -40dBm 1kHz Output level Attenuation AV dB difference between Max volume and half volume -20dBm 1kHz, EIAJ Output PO RL=8Ω Output level where THD=10% Audio Distortion Factor Residual Noise Level THD VD -20dBm 1kHz, RL=8Ω Distortion Factor when output is 50mW Noise level during no signal at Max volume HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn mW -65 REV:1.1 2.5 % -62 dBm 2006.06.15 Page 3 of 9 SA1622 PIN CONFIGURATION PIN DESCRIPTION Pin NO. Pin name I/O 1,16 IN2, IN1 I Description Input Mode selection SW 2 SW I • BTL mode when open • Stereo mode when connected to GND 3 NC -- 4,13 NF2, NF1 -- Power amplifier NF. 5,12 GND2, GND1 -- Pre-amplifier GND -- Power amplifier GND 6,11 P GND2 P GND1 7,10 OUT2, OUT1 O Power amplifier output 8 RIPPLE -- Ripple filter. 9 VCC -- VCC 14 VOL I Electrical volume control pin. 15 REG O Regulator HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 4 of 9 SA1622 APPLICATION CIRCUIT 1) Stereo output mode (when Pin14 connected to GND, IC gain Max,) 2) BTL output mode (when Pin14 connected to GND, IC gain Max,) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 5 of 9 SA1622 BTL, STEREO Application circuit Using internal IC electrical volume (when Pin14 connected to GND, IC gain Max,) HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 6 of 9 SA1622 PACKAGE OUTLINE DIP-16-300-2.54 UNIT: mm SOP-16-300-1.27 UNIT: mm HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 7 of 9 SA1622 PACKAGE OUTLINE UNIT: mm SSOP-16-300-0.65 UNIT: mm 7.62±0.20 7.80±0.20 5.25±0.20 0 8° 0.825±0.200 SOP-16-225-1.27 0.18±0.015 6.15±0.20 0.65 1.50±0.20 0.33 1.65±0.20 0.15±0.05 HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2006.06.15 Page 8 of 9