ICs for Audio Common Use AN5275 15W × 2Ch. Low Frequency Power Amplifier Circuit for TV 29.6±0.3 (1.2) 19.1±0.3 3.5±0.3 (12.5) 1.8±0.15 · BS (boot-strap) electrolytic capacitor not required Audio muting function built-in Very small shock noise at power ON/OFF Various protective circuits built-in · Load short-circuit protection. Protection against overvoltage and – current. Temperature protection + 0.15 (1.27) 1.7±0.1 1 (1.3) (1.27) 0.6 ■ Features • Wide operating supply voltage range (10 to 40V) • Little distortion and noise • Fewer external components R1.8 + 0.1 0.25 – 0.05 2.54 1.45±0.15 29.75±0.3 78.0±0.3 20.0±0.3 (10.0) (10.0) ø3.6 0.6 – 0.05 12 The AN5275 is an audio power IC developed for TV sound output (15W × 2Ch.). High density mounting is possible and it can contribute to cost reduction, because it requires fewer external components. It incorporates various protective circuits to provide high reliability and breakage resistance. • • • Unit : mm 8.2±0.3 ■ Overview 21.9±0.3 12-lead HSIP package (HSIP012-P-0000A) ■ Pin Description Pin No. Pin Description Pin No. Pin Description 1 Ch.1 NF pin 7 Ch.2 output pin 2 Ch.1 input pin 8 Muting pin 3 Ripple filter pin 9 GND (sound output side) 4 GND (sound input side) 10 Supply voltage 5 Ch.2 input pin 11 NC 6 Ch.2 NF pin 12 Ch.1 output pin ■ Block Diagram + – + – Ripple Filter 1 2 Ch1. NF Ch1. Input 3 Mute 4 5 6 7 GND Ch2. NF Ch2. Input Ch2. Output 8 9 10 11 12 GND VCC NC Ch1. Output ICs for Audio Common Use AN5275 ■ Absolute Maximum Ratings (Ta= 25˚C) Symbol Rating Unit Supply Voltage Parameter VCC 4.5 Supply Current ICC 4.0 V A W PD 25 Vsurge 60 V Operating Ambient Temperature Topr – 25 ~ + 80 ˚C Storage Temperature Tstg – 55 ~ + 150 ˚C Power Dissipation Note 1) Peak Supply Voltage Note 2) Note 1) Rθj – c = 2˚C/W Note 2) t = 0.2s ■ Recommended Operating Range (Ta = 25˚C) Parameter Symbol Range Operating Supply Voltage Range VCC 10.0V ~ 40.0V ■ Electrical Characteristics (VCC= 32V, freq.= 1kHz, Ta= 25±2˚C) Parameter Symbol Static Circuit Current Output End Noise Voltage VIN= 0mV, RL= 8Ω VNO Rg= 4.7kΩ, RL= 8Ω GV VIN= 57mV, RL= 8Ω THD VIN= 57mV, RL= 8Ω Note 1) Voltage Gain Total Harmonics Distortion Condition ICQ Max. Output Power PO Ripple Rejection Ratio Note 1) RR Channel Balance CB PD – Ta Rth(j – c) = 2˚C/W Rth(j – a) = 42˚C/W ty ini Inf 55 k sin 45 (41.7) 40 1˚ W C/ 35 (31.3) 30 2˚ (25.0) 3˚C at 5˚C he k W /W sin C/ 20 (17.9) 15 (10.4) 10 5 (3.0) 0 he Power Dissipation PD (W) at he 50 at he at /W sin k sin k hea 10˚C/W t sin k heat s ink No heat sink 0 25 50 75 100 Ambient Temperature Ta (˚C) 125 150 32 typ. max. Unit 100 200 0.12 0.4 mVrms 34 36 0.05 0.40 mA dB % THD= 10%, RL= 8Ω RL= 8Ω, Vr= 1Vrms fr= 120Hz, Rg= 4.7kΩ 11 15 W 45 57 dB VIN= 57mV, RL= 8Ω –1 0 Note 1) 15Hz to 30kHz (12dB/OCT) filter is used for measurement. 65 (62.5) 60 min. 1 dB