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| ICs for FM/AM Tuner AN7017S, AN7017SB FM/TV Front-end ICs for 1.5V Headphone Stereo, Radio Cassette Recorder s Overview The AN7017S and the AN7017SB are the ICs incorporating FM/TV front-end most suitable for headphone stereo. Sealed in a 16-pin flat package, the chip operates stably at TV band (170MHz ~ 222MHz) FM band (76MHz ~ 108MHz). RF amplifiers and oscillations are provided in FM/TV band individually, and are designed most suitably. So both characteristics of FM/TV band are satisfied. AN7017S 0.4 1 2 3 0.40.25 4 5 1.27 6 7 8 16 15 14 13 12 11 10 9 1.50.2 0.3 4.20.3 6.50.3 0.15 0.65 Unit : mm 16 0.8 1 8 9 0.15 0.350.1 4.30.3 6.30.3 16-Lead SOP Package (SSOP016-P-0225a) 9 8 GND 0.65 1.50.2 6.50.3 10.10.3 Unit : mm s Features * Low current consumption * Band switching circuit built-in * A single chip integrating FM/TV band * IF amp. built-in AN7017SB 0.10.1 0.5 s Block Diagram VCC1 16 15 14 13 12 11 10 VCC2 FM L - OSC TV RF Amp. FM RF Amp. Mix. TV L - OSC IF Amp. TV/ FM SW 1 2 3 4 GND 5 6 7 0.10.1 16-Lead SOP Package (SOP016-P-0225) ICs for FM/AM Tuner s Absolute Maximum Ratings (Ta=25C) Parameter Supply Voltage Supply Current Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC ICC PD Topr Tstg Rating 2.5 10 30 -22 ~ + 75 -55 ~ + 125 AN7017S, AN7017SB Unit V mA mW C C s Recommended Operating Range (Ta=25C) Parameter Operating Supply Voltage Range Symbol VCC Range 1V ~ 2V s Electrical Characteristics (VCC =1.2V, Ta = 25C) Parameter No Signal Current FM Conversion Gain Oscillation Voltage S/N No Signal Current TV Conversion Gain Oscillation Voltage S/N Symbol Itot (FM) Gconv (FM) VOSC (FM) S/N (FM) Itot (TV) Gconv (TV) VOSC (TV) S/N (TV) Note) VCC=1V Vin=60dB Note) VCC=1V Vin= 60dB Condition min. typ. 2.5 31 73 55 3.2 27 57 53 max. Unit mA dB mV dB mA dB mV dB Note) Conversion Gain= 20log (V(V) /100) V is output difference at 40dB and 46dB. s Characteristics Curve Supply Voltage Characteristics (FM)- Oscillation Frequency Deviation S/N, S/N Sensitivity, Limiter Sensitivity, Itot 100 Ta =25C Limit Sens (dB), S/N Sens (dB), S/N (dB) 90 80 70 60 50 40 Itot (mA) 30 20 S/N Sens 10 0 Limiter Sens 0 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 VCC (V) 2 Itot 4 3 fsift S/N 2 1 0 -1 -2 -3 fsift x 102 (kHz) -10 -20 Vout (dB) Vout -30 -40 -50 -60 40 30 20 10 0 120 0 VCC = 1.5V fin = 78MHz 30% Mod. Ta = 25C S/N 60 50 S/N (dB) Input/Output Characteristics - S/N, Vout 80 70 S/N Sens (dB), Limit Sens (dB) 60 50 Frequency Characteristics (FM) -VOSC, S/N Sensitivity, Limiter Sensitivity VCC = 1.2V Ta = 25C VOSC 100 VOSC (mV) 50 40 30 20 10 0 S/N Sens Limit Sens 0 0 20 40 60 80 Vin (dB) 100 0 78 82 86 90 94 98 102 106 Frequency fin (MHz) ICs for FM/AM Tuner Supply Voltage Characteristics (TV)- Oscillation Frequency Deviation S/N, S/N Sensitivity, Limiter Sensitivity, Itot Limit Sens (dB), S/N Sens (dB), S/N (dB) 80 fsift 70 60 S/N (Vin = 60dB) 50 40 30 20 10 0 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 VCC (V) S/N Sens (30dB) Limit Sens (-3dB) -50 -60 20 10 0 0 10 20 30 40 50 60 70 80 90 100 110 120 Vin (dB) Itot 3 2 1 0 -1 -2 -3 -4 -5 0 fsift x 102 (kHz) -10 S/N -20 Vout (dBV) Vout -30 -40 40 30 50 AN7017S, AN7017SB Frequency Characteristics (TV) -VOSC, S/N Sensitivity, Limiter Sensitivity 100 VCC=1.2V 70 VOSC S/N (dB) Limit Sens (dB), S/N Sens (dB) 60 60 50 40 30 S/N Sens 20 Limit Sens 10 0 0 50 VOSC (mV) Input/Output Characteristics (TV) -S/N, Vout VCC=1.5V fin=180MHz 305% Mod. 6 5 Itot (mA) 4 3 2 1 176 180 184 188 192 196 200 204 208 212 216 220 Frequency fin (MHz) s Application Circuit 200k VCC=1.2V 470k 1F + 100 0.01F 470k 470k 200k 10V 10 + 1F 470k 200pF 100k 47pF 12pF 0.001F 100pF 12pF 0.001F 100k 330pF 12pF 12pF 100k 100k 100k 100k 10 0.01F 16 15 14 13 12 11 10 9 AN7017S, AN7017SB FM 1 2 3 4 5 6 7 8 TV 0.022F BPF 1F to IF IC SFE10.7MA5 SFE10.7MA5 FM SG FM Antenna Coil FM Oscillation Coil TV Antenna Coil FM Oscillation Coil : : : : Internal diameter 2.5mm. Lead diameter 0.35mm 11T Variable Capacitance : SVC203CP (SANYO) Internal diameter 2.5mm. Lead diameter 0.35mm 13T Ceramic Filter : SFE10.7MA5 (MURATA) Internal diameter 2.5mm. Lead diameter 0.35mm 3T Band Pass Filter : TVSB4 (SOUSHIN) Internal diameter 2.5mm. Lead diameter 0.35mm 4T IF Amp. : AN7236 (Panasonic) 0.01F ICs for FM/AM Tuner s Pin Descriptions Pin No. Pin Name Typ.Waveform Description AN7017S, AN7017SB Equivalent Circuit 1 FM RF Input FM signal FM RF input pin 15 16 7pF 1 15 FM RF Output FM signal FM RF output pin 4 GND DC 0V GND pin Used for RF amp. /Mixer. 16 10.7MHz IF signal Mix. output pin Ceramic Filter connect to output. 3 Mix. Output 3 2.2k 2.2k 5k 5 IF Input 10.7MHz IF signal IF input pin 5 6 TV/FM switch TV/FM switching At FM, stop the current source of TV circuit by connecting Pin6 to VCC, and at TV, stop the current source of FM circuit by opening this. 9 FM TV 5k 9 6 16 7 IF Output 10.7MHz IF signal IF output pin 7 8 GND GND pin Used for IF amp. /oscillation circuit current source ICs for FM/AM Tuner s Pin Descriptions (Cont.) Pin No. 9 VCC2 Pin Name Typ.Waveform DC 1.5V Description Supply voltage pin Used for IF amp. /oscillation circuit current source AN7017S, AN7017SB Equivalent Circuit 10k 10 * 11 TV OSC 160MHz ~ 216MHz oscillation TV OSC pin 7pF 270 270 270 7pF 12 10k 13 10k 7pF 9 12 * 13 FM OSC 65MHz ~ 96MHz oscillation FM OSC pin 7pF 2 TV RF Input TV signal TV RF input pin 14 16 7pF 2 14 TV RF Output TV signal TV RF output pin 16 VCC1 DC 1.5V Supply voltage pin Used for RF amp., mixer 10k 9 270 10 11 |
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