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| ICs for TV AN5262N Preamplifier-Incorporated Volume IC for TV (1-channel) s Overview 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. 18.20.3 2.40.25 3.50.25 6.00.3 Unit: mm 7 6 * 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 4 3 2 1 1.50.25 1.50.25 3.00.3 5 0.5 0.1 s Features 2.54 s Applications * TV 0.3 +0.1 -0.05 SIP007-P-0000 s Block Diagram DC Vol. Att. Pre-amp. Mute 1 2 3 4 5 6 7 Mute signal Audio in Feed back GND Audio out VCC 30 1 AN5262N s Pin Description Pin No. 1 2 3 4 5 6 7 Sound input Mute signal input Sound adjustment Grounding Feedback input Power supply Sound output Description ICs for TV s Absolute Maximum Ratings Parameter Supply voltage Circuit voltage Symbol VCC V2-4 V3-4 Supply current Circuit current ICC I2 I3 I5 I7 Power dissipation *2 *1 Rating 12 0 to 7 0 to V6-4 18 -10 to +5 -10 to +3 -5 to +1 -20 to +0.3 216 -20 to +70 -55 to +150 Unit V V mA mA PD Topr Tstg *1 mW C C Operating ambient temperature Storage temperature 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 = 25C. *2: Ta = 70C s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 8 to 12 Unit V 2 ICs for TV s Electrical Characteristics at Ta = 25C Parameter Circuit current Pin voltage Symbol I6 V1-4 V5-4 V7-4 Voltage gain Mute operating voltage Maximum attenuation amount Harmonic distortion rate Maximum undistorted power output A7-4 V2-4 Att THD VO f = 1 kHz, VI = 180 mV[rms] V3 = VCC f = 1 kHz, VI = 180 mV[rms] V3 = VCC, VO 0.6 mV[rms] f = 1 kHz, VI = 180 mV[rms] the ratio at V3 = VCC to at V3 = 0 V f = 1 kHz, VI = 180 mV[rms] V3 = VCC f = 1 kHz V3 = VCC at THD = 10% Conditions Min 9 3.3 0.7 3.0 19.5 2.45 72 2.6 Typ 12 4.5 1.4 4.1 22.0 2.7 95 0.3 2.9 AN5262N Max 15 5.7 1.8 5.2 23.5 2.95 1.0 3.2 Unit mA V dB V dB % V[rms] s Application Circuit Example DC Vol. Att. Pre-amp. Mute 1 2 3 4 5 6 VCC 7 Audio out 1 F 10 k Mute signal Feed back Audio in 3 |
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