SC1308L

Silan Semiconductors CLASS AB STEREO HEADPHONE DRIVER DESCRIPTION The SC1308L is a Class AB stereo headphone driver chip utilizing CMOS Technology specially designed for portable digital audio applications. It is housed in an 8-pin DIP or SO package and is functionally compatible with TDA1308. Pin assignment and application circuits are optimized for lower cost effectiveness and easy PCB Layout. SC1308L DIP-8 FEATURES • W ide temperature range •CMOS Technology • Excellent power supply ripple rejection • Low power consumption • High signal-to-noise ratio,S/N=110dB • Low harmonic distortion • Large output voltage swing. •Low supply voltage available SOP-8 APPLICATIONS • Portable digital audio • Hi-fi audio system • W alkman • CD-ROM PIN CONFIGURATIONS BLOCK DIAGRAM OUT1 IN1IN1+ 1 8 VDD 2 SC1308 7 OUT2 3 4 6 IN25 IN2+ OUT1 1 IN1- 2 IN1+ 3 VSS 4 + OP1 OP2 8 VDD + 7 OUT2 6 IN25 IN2+ VSS ABSOLUTE MAXIMUM RATING Characteristic Supply Voltage Storage temperature Operating Temperature Symbol VDD TSTG TOPR Value 8 -65 ~ +150 -40~ + 80 Unit V °C °C HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.18 1 Silan Semiconductors SC1308L Test conditions Min 2 +1.0 ELECTRICAL CHARACTERISTICS (Tamb=25°C, unless otherwise specified) Parameter Single power supply Dual power supply Single power supply Dual power supply Supply current Power dissipation IDD PD No load VDD=3V No load VDD=3V THD=0.15% Maximum output power PO THD=3% VO(p-p)=2V VO(p-p)=2V , RL=5KΩ 100 VDD=1.8V VDD=3V VDD=1.8V VDD=3V Total harmonic distortion Single-to-noise ratio Channel separation Power supply ripple rejection THD S/N CS RL=5K Ohms PSRR F=100Hz,Vripple(p-p)=100mV ----VSS Symbol VDD Typ 3 +1.5 0 -1.5 2 15 4 15 5 20 0.03 0.001 110 70 105 90 Max 4 +2.0 0 -2.0 -- Unit V 0 -1.0 -- V mA mW ----0.06 % dB dB mW dB PIN DESCRIPTION PIN No. 1 2 3 4 5 6 7 8 Symbol OUT1 IN1IN1+ VSS IN2+ IN2OUT2 VDD I/O O I I -I I O -Output pin 1 Inverting input pin 1 Non-inverting input pin 1 Negative power supply Non-inverting input pin 2 Inverting input pin 2 Output pin 2 Positive power supply Description HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.18 2 Silan Semiconductors TYPICAL APPLICATION CIRCUIT VDD 3.9K 100­F SC1308L VOUT1 RL 10K 2 3 10­F3.9K VIN1 VREF + 1 8 SC1308L + - 100­F 5 VIN2 10­F 3.9K 6 7 4 VOUT2 3.9K 100­F RL 10K Single power supply VDD+ 3.9K 100­F 3.9K VIN1 10­F 2 3 5 8 + 1 100­F 10K VOUT1 SC1308L + 4 7 100­F 10K VIN2 10­F 3.9K VOUT2 6 3.9K 100­F VSSDual power supply HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.18 3 Silan Semiconductors OUTLINE PACKAGE SC1308L UNIT: mm 2.54 8-DIP-P-300 6.40 1.25 9.20 15 degree 3.40 0.46 8-SOP-P 0.41 3.30 5.08 7.62 0.25 UNIT: mm 1.27 5.13 4.92 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 1.0 2000.12.18 4 1.95 6.00 3.95 5.72