CXA1814N

CXA1814N 8 mm VCR ATF Description The CXA1814N is an IC developed for ATF (Automatic Track Finding) in 8 mm VCRs, and integrates the major functions necessary for ATF onto a single chip. Features Built-in pilot signal detector and BPF Adopts a high-precision analog filter with no switching noise Built-in SP/LP identification circuit and clog detection circuit Low noise, high-precision bipolar process Applications ATF for 8 mm VCRs Structure Bipolar silicon monolithic IC Pin Configuration (Top View) VCC PBIN NC TEST BPF16 OUT BPF46 OUT GND REF PILOT 3FH IN 30 pin SSOP (Plastic) 1 2 3 4 5 6 7 8 9 30 SPIN 29 COMP REF 28 27 ENV OUT MOD RATIO 26 CLOG REF 25 CLOG 24 SP/LP REF 23 PB SP/LP 22 CS 21 SIN FH IN 10 3FH-FH 11 NF 12 ATF ERROR 13 20 SCLK 19 18 CLOCK IN VREF RPPB MODE 14 PILOT ACT 15 17 STBY 16 REC PILOT 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– E95Y08A62-PP CXA1814N Block Diagram VCC 1 30 SPIN PB LPF GCA2 VREF 0.55V PBIN 2 29 COMP REF TEST CIRCUIT CONTROL 16KBPF 46KBPF 3FH DET FH DET 875HZ LPF 24dB ENVELOPE DETECTOR NC 3 28 ENV OUT GCA1 TEST 4 27 MOD RATIO BM CLOG REF BPF16 5 OUT 26 BPF...