NJW1105 DUAL AUDIO POWER AMPLIFIER GENERAL DESCRIPTION The NJW1105 is a dual audio amplifier which supplies 2.4W (1.2W/channel) to 8 loads at 5V.Its features are wide operating voltage range from 4V to 12V and low consumption output by Bi-MOS technology. The NJW1105 is suitable for speaker amplifier required high output power, such as personal computers, camcorders, and others. It includes thermally protected and mute on/off circuit. FEATURES Operating Voltage Output Power Supply Current Supply Current on Mute Bi-MOS Technology Package Outline PACKAGE OUTLINE NJW1105D NJW1105V ( V+=4V~12V ) ( 1.2W/ch at V+=5V,RL=8 ) ( 35mA MAX. ) ( 3.5mA MAX. ) DIP16, SSOP20-F1 BLOCK DIAGRAM ( Package DIP16 ) -1- NJW1105 ABSOLUTE MAXIMUM RATINGS ( Ta=25uC ) PARAMETER Supply Voltage Operating Current Mute Terminal Current SYMBOL + V IO IM Power Dissipation PD Operating Temperature Range Storage Temperature Range Topr Tstg RATINGS 15 1 1.0 ( SSOP20 ) 0.75 ( DIP16 ) 1.9 -40~+85 -40~+150 UNIT V A mA W uC uC ELECTRICAL CHARACTERISTICS ( V+=5.0V,Ta=25uC ) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT 4 - 5 20 2 12 35 3.5 V mA mA THD=10%,f=1kHz,RL=8 + THD=10%,f=1kHz,RL=8,V =7V RL=8,PO=800mW,f=1kHz f=1kHz AMP2,AMP3,RL=2k,VIN=2.5V -50 35 1.2 2.5 0.35 45 50 50 300 - mV nA W W % dB dB IL=-5mA,IL=+5mA -30 1.5 - 0 2.5 - 30 3.5 -50 mA V mA VM=5V 3.5 70 4.2 0.8 100 1.0 130 V V A [ ALL ] Operating Supply Voltage Range Mute OFF Current Dissipation Mute ON Current Dissipation + V ICC1 ICC2 VM=4.2V,VIN=2.5V VM=0V,VIN=2.5V [ POWER AMPLIFIER ] Output Offset Voltage Input Bias Current Output Power Total Harmonic Distortion Power Supply Rejection Ratio Voltage Gain VO IB PO1 PO2 THD PSRR AV RL=8 [ BUFFER AMPLIFIER ] Input Output Potential Difference Input Voltage Range Output Voltage Range VBO VBI VBO [ MUTING ] Mute OFF Voltage Mute ON Voltage Mute Sink Current -2- VMH VML IM NJW1105 PIN CONFIGURATION 20 19 DIP16 + 1. 2. 3. 4. 5. 6. 7. 8. V MUTE OUT1 GND GND OUT2 Vin1 (-) Vin1 (+) 18 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 17 9. Vin2 (+) 10. Vin2 (-) 11. OUT3 12. GND 13. GND 14. OUT4 15. VBout 16. VBin 16 15 SSOP-20 + V + V MUTE OUT1 GND GND OUT2 Vin1(-) Vin1(+) NC 14 13 12 11 11. Vin2(+) 12. Vin2(-) 13. OUT3 14. GND 15. GND 16. OUT4 17. NC 18. NC 19. VBout 20. VBin -3- NJW1105 TERMINAL EXPLANATION PIN NO. SSOP-20 DIP-16 5 4 6 5 14 12 15 13 PIN NAME GND 16 14 OUT4 10 17 18 - NC -4- FUNCTION Recommend expanding the island in order to heat radiation properties. Output terminal of AMP.4. OUT4 signal is opposite phase against OUT3. Non-connection terminal. Recommend connecting to GND. INSIDE EQUIVALENT CIRCUIT NJW1105 TERMINAL EXPLANATION PIN NO. SSOP-20 DIP-16 19 15 PIN NAME VBout An buffer amplifier output. FUNCTION 20 16 VBin An buffer amplifier input. 1 2 1 VCC Supply Voltage. 3 2 MUTE INSIDE EQUIVALENT CIRCUIT A mute input. Pull down by 50k (TYP) resistor. -5- NJW1105 TERMINAL EXPLANATION PIN NO. SSOP-20 DIP-16 4 3 PIN NAME OUT1 FUNCTION Output terminal of AMP.1. OUT1 signal is opposite phase against OUT2. 7 6 OUT2 Output terminal of AMP.2. 8 7 Vin1(-) Inverting input terminal of AMP.2. 9 8 Vin1(+) Non-inverting input terminal of AMP.2. -6- INSIDE EQUIVALENT CIRCUIT NJW1105 TERMINAL EXPLANATION PIN NO. SSOP-20 DIP-16 11 9 PIN NAME Vin2(+) Inverting input terminal of AMP.3. FUNCTION 12 10 Vin2(-) Non-inverting input terminal of AMP.3. 13 11 OUT3 Output terminal of AMP.3. INSIDE EQUIVALENT CIRCUIT -7- NJW1105 APPLICATION CIRCUIT ( 1 ) BTL -8- NJW1105 TYPICAL CHARACTERISTICS -9- NJW1105 TYPICAL CHARACTERISTICS [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. - 10 - Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: NJR: NJW1105M-TE2 NJW1105M-TE1 NJW1105M NJW1105D NJW1105VF1-TE2