CXA2500N

CXA2500M/N Dual REC/PB Preamplifier Description The CXA2500M/N is a dual recording/playback preamplifier system bipolar IC which has been developed for the low voltage operating cassette tape recorder. Features Low quiescent current (VCC = 2V) PB: ICC = 3.2mA (typ.) REC: ICC = 5.2mA (typ.) Very few external parts Built-in Metal/Normal selection switch Small switching noise due to internal transient muting Applications 3V headphone radio cassette recorders Structure Bipolar silicon monolithic IC Bock Diagram PB OUTPUT (A) MIC INPUT (B) PB EQ SWITCH (B) CXA2500M 24 pin SOP (Plastic) CXA2500N 24 pin SSOP (Plastic) Absolute Maximum Ratings (Ta = 25°C) Supply voltage VCC 7 Operating temperature Topr –20 to +75 Storage temperature Tstg –65 to +150 Allowable power dissipation PD CXA2500M CXA2500N Operating Conditions Supply voltage PB REC 600 470 V °C °C mW mW VCC VCC 1.2 to 3.5 1.6 to 3.5 V V LINE OUTPUT (B) REC DRIVE INPUT (B) REC DRIVE OUTPUT (B) PB PRE INPUT (B) 24 23 22 21 20 19 18 17 16 15 14 PB MIC GCA AMP AGC REF AGC DET LINE REC PB/ REC NORM/ METAL AMP MIC 6dB 1 2 GCA 22dB 3 4 PB 12dB LINE –0.3dB REC 20.5dB 9 10 11 12 TAPE/ TUNER 5 6 7 8 PB EQ SWITCH (A) LINE OUTPUT (A) REC DRIVE OUTPUT (A) AGC TIME CONSTANT MIC INPUT (A) Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Applica...