TA8127F

TA8127N / F TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8127N,TA8127F 3V AM / FM 1chip Tuner IC TA8127N and TA8127F are the AM / FM 1chip tuner ICs, which are designed for portable radios and 3V headphone radios. Features · Built−in FM F / E, AM / FM IF and FM MPX · AM detector coil and IF coupling condenser are not needed. · Compact package TA8127N: Shrink DIP 24 pin (1.78mm pitch) TA8127F: Mini flat packge 24 pin · Operating supply voltage range VCC = 1.8~7.0V (Ta = 25°C) Weight SDIP24−P−300−1.78: 1.2g (typ.) SSOP24−P−300−1.00: 0.31 (typ.) 1 2002-10-30 Block Diagram TA8127N / F 2 2002-10-30 Explanation Of Terminals Pin No. Item 1 FM-RF IN 2 GND1 (GND for RF stage) 3 FM MIX 4 AM MIX 5 AGC (AM AGC) 6 VCC2 (VCC for IF / MPX stage) 7 AM IF IN 8 FM IF IN Internal Circuit ― TA8127N / F DC Voltage (V) (at no Signal) AM FM 0 0.7 00 3.0 3.0 3.0 3.0 00 ― 3.0 3.0 3.0 3.0 3.0 3.0 3 2002-10-30 Pin No. Item 9 GND2 (GND for IF / MPX stage) 10 TUN LED (tuning LED) 11 ST LED (stereo LED) 12 QUAD (FM QUAD. Detector) 13 R-OUT (R-ch output) 14 L-OUT (L-ch output) 15 VCO LPF2 ・LPF terminal for synchronous detector 16 ・Bias terminal for AM / FM SW circuit V16 = VCC → AM (VCO stop) V16 = OPEN → FM LPF1 17 ・LPF terminal for phase detector ・VCO stop terminal V7 = VCC →VCO stop Internal Circuit ― TA8127N / F DC Voltage (V) (at no Signal) AM FM 00 ―― ―― 3.0 3.0 1.0 1.0 2.5 2.5 (VCO stop mode) 3.0 2.2 (VCO stop mode 2.7) 2.7 2.2 4 2002-10-30 Pin No....