CXA1898Q

CXA1898Q Recording/Playback Equalizer Amplifier Description The CXA1898Q is an IC developed for analog signal processing in tape recorders. Processing for both the recording and playback systems is achieved on one chip. Features Recording equalizer Gp and Fp can be adjusted externally. Recording mute function AGC (Automatic Gain Control) Comparator for AMS (Automatic Music Sensor) Recording/playback equalizer amplifier with 1.7 times speed switching 11-bit serial data interface Absolute Maximum Ratings Supply voltage Operating temperature Storage temperature Allowable power dissipation Operating Conditions Supply voltage 48 pin QFP (Plastic) Structure Bipolar silicon monolithic IC Applications All analog signal processing in the cassette decks of tape recorders and compact music centers (Applicable to Sankyo Seiki mfg. Co., Ltd. YK47R-KF202 R/P head or equivalent) VCC 12 V Topr –20 to +75 °C Tstg –65 to +150 °C PD 735 mW VCC 6.5 to 10.0 V 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. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. –1– E94329B78 CXA1898Q Block Diagram and Pin Configuration (Top View) AGC IN2 REC IN2 AGC OUT2 REC OUT2 AGC TC D GND XRESE...