AN7017

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 0.4±0.25 4 5 1.27 6 7 8 16 15 14 13 12 11 10 9 1.5±0.2 0.3 4.2±0.3 6.5±0.3 0.15 0.65 Unit : mm 16 0.8 8 9 0.15 0.35±0.1 4.3±0.3 6.3±0.3 16-Lead SOP Package (SSOP016-P-0225a) 0.65 1.5±0.2 6.5±0.3 10.1±0.3 Unit : mm s Features • Low current consumption • Band switching circuit built-in • A single chip integrating FM/TV band • IF amp. built-in AN7017SB 1 0.1±0.1 0.5 s Block Diagram VCC1 16 15 14 13 12 11 10 VCC2 9 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 0.1±0.1 8 GND 16-Lead SOP Package (SOP016-P-0225) ICs for FM/AM Tuner s Absolute Maximum Ratings (Ta=25˚C) 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=25˚C) Parameter Operating Supply Voltage Range Symbol VCC Range 1V ~ 2V s Electrical Characteristics (VCC =1.2V, Ta = 25˚C) 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=60dBµ Note) VCC=1V Vin= 60dBµ 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(µV) ÷100) ∆V is output difference at 40dBµ and 46dBµ. s Characteristics Curve Supply Voltage Characteristics (FM)– Oscillation Frequency Deviation S/N, S/N Sensitivity, Limiter Sensitivity, Itot 100 Ta =25˚C Limit Sens (dBµ), S/N Sens (dBµ), 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 × 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 = 25˚C S/N 60 50 S/N (dB) Input/Output Characteristics – S/N, Vout 80 70 S/N Sens (dBµ), Limit Sens (dBµ) 60 50 Frequency Characteristics (FM) –VOSC, S/N Sensitivity, Limiter Sensitivity VCC = 1.2V Ta = 25˚C VOSC 100 VOSC (mV) 50 40 30 20 10 0 S/N Sens Limit Sens 0 0 20 40 60 80 Vin (dBµ) 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 (dBµ), S/N Sens (dBµ), 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 (dBµ) Itot 3 2 1 0 –1 –2 –3 –4 –5 0 fsift × 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 (dBµ), S/N Sens (dBµ) 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 200kΩ VCC=1.2V 1µF 470kΩ + 100Ω 0.01µF 470kΩ 470kΩ 200kΩ 10V 10Ω + 1µF 470kΩ 200pF 100kΩ 47pF 12pF 0.001µF 100pF 12pF 0.001µF 100kΩ 330pF 12pF 100kΩ 100kΩ 12pF 100kΩ 100kΩ 10Ω 16 15 14 13 12 11 10 9 AN7017S, AN7017SB FM 1 2 3 4 5 6 7 8 TV 0.022µF BPF 1µF 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) 0.01µF 0.01µF 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 2.2kΩ 2.2kΩ 5kΩ 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 16 7 IF Output 10.7MHz IF signal IF output pin 5kΩ 9 6 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 10kΩ 10 · 11 TV OSC 160MHz ~ 216MHz oscillation TV OSC pin 7pF 270Ω 270Ω 270Ω 12 10kΩ 13 10kΩ 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 10kΩ 7pF 9 270Ω 10 11