ICs for TV AN5262N Preamplifier-Incorporated Volume IC for TV (1-channel) ■ Overview Unit: mm The AN5262N is an IC for sound volume control of TV set. It incorporates a DC-voltage controlled volume which has a linear characteristic to hearing sensation, sound preamplifiers and a mute function. 2.54 2.4±0.25 3.5±0.25 6.0±0.3 7 3 2 1 0.3 +0.1 –0.05 ■ Applications 30° 4 1.5±0.25 1.5±0.25 5 18.2±0.3 • Volume maximum attenuation = 95 dB • Built-in preamplifier (GV = 22 dB) • Maximum output voltage = 2.9 V[rms] • Operating supply voltage range; 8 V to 12 V 0.5 ±0.1 6 ■ Features 3.0±0.3 • TV SIP007-P-0000 ■ Block Diagram DC Vol. Att. Pre-amp. Audio out 7 6 VCC 5 Feed back 4 GND 3 2 Mute signal Audio in 1 Mute 1 AN5262N ICs for TV ■ Pin Description Pin No. Description 1 Sound input 2 Mute signal input 3 Sound adjustment 4 Grounding 5 Feedback input 6 Power supply 7 Sound output ■ Absolute Maximum Ratings Parameter Symbol Rating Unit Supply voltage VCC 12 V Circuit voltage V2-4 0 to 7 V V3-4 0 to V6-4 Supply current ICC 18 mA Circuit current I2 −10 to +5 mA I3 −10 to +3 I5 −5 to +1 I7 −20 to +0.3 PD 216 mW Topr −20 to +70 °C Tstg −55 to +150 °C Power dissipation *2 Operating ambient temperature Storage temperature *1 *1 Note) 1. Do not apply external currents or voltages to any pins not specifically mentioned. For circuit currents, '+' denotes current flowing into the IC, and '−' denotes current flowing out of the IC. 2. *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: Ta = 70°C ■ Recommended Operating Range Parameter Supply voltage 2 Symbol Range Unit VCC 8 to 12 V ICs for TV AN5262N ■ Electrical Characteristics at Ta = 25°C Parameter Symbol Min Typ Max Unit I6 9 12 15 mA V1-4 3.3 4.5 5.7 V V5-4 0.7 1.4 1.8 V7-4 3.0 4.1 5.2 Circuit current Pin voltage Conditions Voltage gain A7-4 f = 1 kHz, VI = 180 mV[rms] V3 = VCC 19.5 22.0 23.5 dB Mute operating voltage V2-4 f = 1 kHz, VI = 180 mV[rms] V3 = VCC, VO ≤ 0.6 mV[rms] 2.45 2.7 2.95 V Maximum attenuation amount Att f = 1 kHz, VI = 180 mV[rms] the ratio at V3 = VCC to at V3 = 0 V 72 95 dB f = 1 kHz, VI = 180 mV[rms] V3 = VCC 0.3 1.0 % f = 1 kHz V3 = VCC at THD = 10% 2.6 2.9 3.2 V[rms] Harmonic distortion rate THD Maximum undistorted power output VO ■ Application Circuit Example DC Vol. Att. Pre-amp. 7 6 5 4 Audio out VCC Feed back 10 kΩ 3 2 Mute signal Audio in 1 µF 1 Mute 3