SONY CXA1619BM/BS FM/AM Radio For the availability of this product,please contact the sales office Description CXA1619BM/BS is a one-chip FM/AM radio IC CXA1619BM CXA1619BS designed for radio-cassette tape recorders and 28 pin SOP (Plastic) 30 pin SDIP (Plastic) headphone tape recorders,and has the following functions. Features Small number of peripheral components. Low current consumption (Vcc=3 V) For FM:ID=5.8 mA (Typ.) Absolute Maximum Ratings(Ta=25C) For AM:ID=4.7 mA (Typ.) ·Supply voltage Vcc 14 V Built-in FM/AM select switch Operating temperature Topr -10to+60 C Large output of AF amplifier. ·Storage temperature Tstg -50t0+125 C EIAJ output=500 mW(Typ.)when Allowable power dissipation Vcc=6 V.load impedance 8 PD 700 mW (CXA1619BM) Function Po 1000 mW FM section (CXA1619BS) RF amplifier,Mixer and OSC (incorporating AFC variable capacitor). Recommended Operating Conditions ·IF amplifier Supply voltage Vcc 2to7.5 V Quadrature detection (CXA1619BM) ·Tuning LED driver Vcc 2to 8.5 V AM section (CXA1619BS) RF amplifier,Mixer and OSC (with RF AGC) IF amplifier(with IF AGC) ·Detector ·Tuning LED driver AF section Electronic volume control Structure Bipolar monolithic IC 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 E99214-TE
—1— E99214-TE 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. Absolute Maximum Ratings (Ta=25 °C) • Supply voltage VCC 14 V • Operating temperature Topr –10 to +60 °C • Storage temperature Tstg –50 to +125 °C • Allowable power dissipation PD 700 mW (CXA1619BM) PD 1000 mW (CXA1619BS) Recommended Operating Conditions Supply voltage VCC 2 to 7.5 V (CXA1619BM) VCC 2 to 8.5 V (CXA1619BS) Description CXA1619BM/BS is a one-chip FM/AM radio IC designed for radio-cassette tape recorders and headphone tape recorders, and has the following functions. Features • Small number of peripheral components. • Low current consumption (VCC=3 V) For FM : ID=5.8 mA (Typ.) For AM : ID=4.7 mA (Typ.) • Built-in FM/AM select switch. • Large output of AF amplifier. EIAJ output=500 mW (Typ.) when VCC=6 V, load impedance 8 Ω Function FM section • RF amplifier, Mixer and OSC (incorporating AFC variable capacitor). • IF amplifier • Quadrature detection • Tuning LED driver AM section • RF amplifier, Mixer and OSC (with RF AGC) • IF amplifier (with IF AGC) • Detector • Tuning LED driver AF section • Electronic volume control Structure Bipolar monolithic IC FM/AM Radio CXA1619BM CXA1619BS 28 pin SOP (Plastic) 30 pin SDIP (Plastic) CXA1619BM/BS
SONY CXA1619BM/BS Block Diagram CXA1619BM FM/AM AF Ripple AF DET AFCAFC F FM AM BAND GND OUT Vcc FILTER IN OUT AGCAGC GND METER NC IF IN IF IN SELECT 28— 2⑦202524 232221 15 AM IF DET AGC TUNING METER AF POWER AMP AM FE FMIF FM DISCRIMINATOR FM FE 1 ② ③ ④⑤⑥⑦⑧⑨0①②③①4 GND FM NF VOL AM AFC FM Reg FM AM NC FM FE FM/AM DISCRI oSc OSC OUT RF RFIN RF IN GNDFE OUT CXA1619BS FM/AM AF Ripple AF DET AFCAFC IF FM AM BAND GND GND OUT VCC FILTER IN OUT AGCAGC GND METER NC IF IN IF IN SELECT AM IF DET AGC TUNING METER AF POWER AMP AM FE FM IF FM DISCRIMINATOR FM FE (个②③④⑤⑥⑦8⑨0①2③—14—1⑤ GND GND FM NF VOL AM AFC FM Reg FM AM NC FM FE FM/AM DISCRI oSc OSC OUT RF RF IN RF IN GND FE OUT -2-
—2— CXA1619BM/BS Block Diagram CXA1619BM CXA1619BS FM/AM BAND SELECT AM IF IN FM METER NC IF IN IF GND AFC AGC AFC AGC DET OUT AF IN Ripple VCC FILTER AF GND OUT GND FM DISCRI NF AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT VOL TUNING METER FM IF FM DISCRIMINATOR FM FE AF POWER AMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AM IF DET AGC AM FE FM/AM BAND SELECT AM IF IN FM METER NC IF IN IF GND AFC AGC AFC AGC DET OUT AF IN Ripple VCC FILTER AF GND GND OUT GND FM DISCRI NF AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT GND VOL AM IF DET AGC AM FE FM FE FM IF 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 AF POWER AMP TUNING METER FM DISCRIMINATOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SONY CXA1619BM/BS Standard Circuit Design Data (The pin numbers in the parenthesis are for CXA1619BS.) Voltage(V) No. Symbol Vcc=3 V Vcc=6V Equivalent circuit Description FM AM FM AM 1 GND 0 0 0 (1,2) 0 ② Phase-shift circuit Connect 2(3) FM DISCRI 2.182.704.885.43 ceramic discriminator 3(4)NF 1.51.53.03.0 Vcc Negative feedback pin ×100 ×100 27(28) AF OUT 1.51.53.0 3.0 GND Power amplifier output pin ④ 320kJ Connect variable resistor for 4(5) VOL CONT 1.251.251.251.25 electronic volume control. 80k ⑤ 5(6) AM OSC 1.251.251.251.25 3.6k AM local oscillation circuit 6(7） AFC 1.25 1.25 ⑧ AFC variable capacitor pin 1.25V 8(9) REG OUT 1.251.251.251.25 ⑥ (REG) Regulator pin 1.25 V(Typ.) ⑦ 7(8) FM OSC 1.251.251.251.25 FM local oscillation circuit -3-
—3— CXA1619BM/BS Standard Circuit Design Data (The pin numbers in the parenthesis are for CXA1619BS.) Voltage (V) No. Symbol VCC=3 V VCC=6 V Equivalent circuit Description FM AM FM AM 1 (1, 2) 2 (3) 3 (4) 27 (28) 4 (5) 5 (6) 6 (7) 8 (9) 7 (8) GND FM DISCRI NF AF OUT VOL CONT AM OSC AFC REG OUT FM OSC 0 0 0 0 2.18 2.70 4.88 5.43 1.5 1.5 3.0 3.0 1.5 1.5 3.0 3.0 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 ∗ 1.25 ∗ 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 2 1k 1.2k 3 27 VCC GND ×100 ×100 4 GND 20k 80k 5 3.6k 6 8 1.25V (REG) 7 Phase-shift circuit Connect ceramic discriminator Negative feedback pin Power amplifier output pin Connect variable resistor for electronic volume control. AM local oscillation circuit AFC variable capacitor pin Regulator pin 1.25 V (Typ.) FM local oscillation circuit
SONY CXA1619BM/BS Voltage (V) No. Symbol Vcc=3 V Vcc=6V Equivalent circuit Description FM AM FM AM 9(10) FM RF 1.251.251.251.25 ⑨ Connect FM RF tuning coil 8k 12(13)FM RF IN 0.30 0.30 1k FM RF input pin ⑩ 10(11) AM RF IN 1.251.251.251.25 Vcc AM RF input pin 11(12) NC 0 0 0 0 GND 13(14) (FE GND) 0 0 0 0 AM FM FM/AM IF output pin of FM and AM. 14(15) 0.360.20.360.2 FE OUT 220 Connect IF filter. M- Vcc FM and AM bands selection BAND 15(16) switch pin.During GND it SELECT 1.3001.300 becomes AM and during 1⑤ open it becomes FM. 77 GND 16(17) AM IF IN 0 0 0 0 2k Input pin of AM IF. 17(18) FM IF IN 0.34 0 0.88 0 Input pin of FM IF. 18(19) NC 0 0 0 0 一4-
—4— CXA1619BM/BS Voltage (V) No. Symbol VCC=3 V VCC=6 V Equivalent circuit Description FM AM FM AM 9 (10) 12 (13) 10 (11) 11 (12) 13 (14) 14 (15) 15 (16) 16 (17) 17 (18) 18 (19) FM RF FM RF IN AM RF IN NC GND (FE GND) FM/AM FE OUT BAND SELECT AM IF IN FM IF IN NC 1.25 1.25 1.25 1.25 0.3 0 0.3 0 1.25 1.25 1.25 1.25 0 0 0 0 0 0 0 0 0.36 0.2 0.36 0.2 1.30 0 1.30 0 0 0 0 0 0.34 0 0.88 0 0 0 0 0 9 3p 8k 1k 12 10 VCC AM FM 220 14 15 GND VCC 16 2k Connect FM RF tuning coil FM RF input pin AM RF input pin IF output pin of FM and AM. Connect IF filter. FM and AM bands selection switch pin. During GND it becomes AM and during open it becomes FM. Input pin of AM IF. Input pin of FM IF
SONY CXA1619BM/BS Voltage(V) No. Symbol Vcc=3 V Vcc=6V Equivalent circuit Description FM AM FMAM 1⑨ 1.25V-◆- ×3 Meter drive circuit 19(20) METER 1.61.64.5 4.5 (For tuning indicator) GND 20(21) GND 0 0 0 0 AFC pin of W band. 21(22) AFC/AGC 1.251.491.251.49 During AM,it determines time constant of AGC AFC pin of J band. 22(23) AFC/AGC 1.251.251.251.25 During AM,it determines time constant of AGC. GND 23(24) DET OUT 1.251.01.251.0 Detection output pin 24 11k 24(25)AFIN 0 00 0 Power amplifier input pin GND Vcc 17k RIPPLE 25(26) 2.712.715.45.4 25 FILTER ≤73k Ripple filter 而 90k 26(27) Vcc 3.0 3.06.0 6.0 Power supply pin 28 GND 0 0 0 0 Power GND (29,30) The pin voltage of pin 6 during AM,it is the same pin voltage of pin 22(23)during J BAND and is the same pin voltage of pin 21(22)during W BAND. -5-
—5— CXA1619BM/BS Voltage (V) No. Symbol VCC=3 V VCC=6 V Equivalent circuit Description FM AM FM AM 19 (20) 20 (21) 21 (22) 22 (23) 23 (24) 24 (25) 25 (26) 26 (27) 28 (29, 30) METER GND AFC/AGC AFC/AGC DET OUT AF IN RIPPLE FILTER VCC GND 1.6 1.6 4.5 4.5 0 0 0 0 1.25 1.49 1.25 1.49 1.25 1.25 1.25 1.25 1.25 1.0 1.25 1.0 0 0 0 0 2.71 2.71 5.4 5.4 3.0 3.0 6.0 6.0 0 0 0 0 GND 19 ×3 N 1.25V 22 21 23 33k 39k GND 24 11k ×4 ×4 82k GND 25 17k 73k 90k VCC Meter drive circuit (For tuning indicator) AFC pin of W band. During AM, it determines time constant of AGC AFC pin of J band. During AM, it determines time constant of AGC. Detection output pin Power amplifier input pin Ripple filter Power supply pin Power GND ∗ The pin voltage of pin 6 during AM, it is the same pin voltage of pin 22 (23) during J BAND and is the same pin voltage of pin 21 (22) during W BAND
SONY CXA1619BM/BS =5 号 Argp 兽 Argp 9 咒 导 量 刷 8 e 8 S 超 8 9 3 Ar L=Argp 0 品 是 惑 8 号 8 e 号 吕 等 g .9z 刷 3 8 2 6 ZHMZ.入ZH ZHW L'OL 'Argp 06=ENIA a723.2gD ZHMZ.入ZH wgp te-s!indino $ g g 女 m m m m 西 ⊙ m N m m 巨 邕 需 三 三 LOHL 器 草 出 SOHL wajl lenel eouy dI W 2 N 2
— 6 — CXA1619BM/BS No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Item AM circuit current FM circuit current FM front end voltage gain FM detection output level FM IF knee level FM detection output distortion factor FM meter current AM front end voltage gain AM IF voltage gain AM detection output level AM meter current AM detection output distortion factor Audio voltage gain Audio distortion factor Symbol ID1 ID2 GV1 VD1 VD2 THD1 IB1 GV2 GV3 VD3 IB2 THD2 GV4 THD3 SW conditions 1 2 3 4 5 6 A B A A A A A B A A B A A B A A B A A — — A B A A — — A B A A — — A B A A — — A B A A A A A A A A A — A A A A A — A A A A A — A A A A A B B A A A — — — — B A — — — — B Test Point IA IA VA VD VD VD IM VB VD VD IM VD VE VE Conditions No signal, AM No signal, FM VIN1=40 dBµV, 100 MHz VIN3=90 dBµV, 10.7 MHz (1 kHz, 22.5 kHz DEV) VIN3=level at a point 3 dB down from VIN3=90 dBµV, 10.7 MHz (1 kHz, 22.5 kHz DEV) VIN3=90 dBµV, 10.7 MHz (1 kHz, 75 kHz DEV) VIN3=60 dBµV, 10.7 MHz VIN2=60 dBµV, 1660 kHz VIN3 when 455 kHz (1 kHz, 30 % MOD) output is –34 dBm VIN3=85 dBµV, 455 kHz (1 kHz, 30 % MOD) VIN3=85 dBµV, 455 kHz VIN2=95 dBµV, 1660 kHz (1 kHz, 30 % MOD) VIN4=–30 dBm, 1 kHz Distortion factor for output of 50 mW VIN4=–20 dBm, 1 kHz Min. Typ. Max. Unit — 4.8 10.0 mA — 7.6 14.0 mA 32 39 46 dB 39 77.5 155 mVrms — 24 32 dBµV — 0.3 2.0 % 1.8 3.5 7.0 mA 15 22 29 dB 14 20 27 dBµV 39 77.5 155 mVrms 1.3 3.0 7.0 mA — 0.6 2.0 % 27 31.5 36 dB — 0.9 2.5 % Electrical Characteristics (See the Electrical Characteristics Test Circuit, Ta=25 °C, VCC=6 V) 0 dBµV=1 µV
SONY CXA1619BM/BS 岁 ONS 意 意 M ONS 号⑧ 量 BEL ⑧ 意 ⑧ ⑧ 安2 00000 是o OJV 3®1H 12100 o ⑧ 型0 Q0000 脂 母 号 世 ⑧ 00000 ⑨ NIJ8 出 ⑧ 馨 品 元常 ③ 罢 -7一
— 7 — CXA1619BM/BS Electrical Characteristics Test Circuit GND VCC Ripple FILTER AF IN DET OUT AFC AGC AFC AGC IF GND METER NC FM IF IN AM IF IN FM/AM BAND SELECT AF OUT GND NF VOL AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT FM DISCRI CXA1619BM 150 1µ CF3 33k 24k 24k 50k A B 33k 2k S1 24p OSC AFC REG 100k 8p 30p 30p 1000 1 p 0p 43p 150 150µH 0.01µ A B B A B B A A S5 A B S6 S2 10µ 0.01µ 100 VIN2 VIN1 VIN3 VA VB S4 S3 5k IFT CF1 30p 24p 0.01µ 330 2k BPF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0.01µ 0.01µ 0.012µ 0.047µ 0.047µ 470µ 100µ VD 1µ 1µ 4.7µ VIN4 IM 1µ 8 VE 15 16 17 18 19 20 24 25 26 27 28 23 21 22 GND VCC CF1 CF3 IFT OSC : AM 455kHz C.F. : FM DISCRIMINATOR : AM 455kHz IFT : AM OSC
SONY CXA1619BM/BS Y首 卡 半3 次 IOSIO 0 品 0000 ⊙g 8 z( 门 ②6 8日 周 客显兰 000 8 单图 路 85 单⊙ 盖位 ⑧ 酸 e ⑨ 兰恩 0000 8 喝 ⑨ 弱 ⑨ 豆 ② H ō又寸 8-
— 8 — CXA1619BM/BS Application Circuit 1 GND VCC Ripple FILTER AF IN DET OUT AFC AGC AFC AGC IF GND METER NC FM IF IN AM IF IN FM/AM BAND SELECT AF OUT GND NF VOL AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT FM DISCRI CXA1619BM 150 R3 CF3 RV1 50k R2 10k ANT R4 2.2k C11 100p C10 0.01µ R6 1k R5 330 CF1 CF2 R7 D1 T1 C8 4.7µ 5 C 0 4 6p L4 C3 22p L3 R1 100k C7 1p C2 18p L2 L1 FM S1 AM C1 2p BPF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C12 10µ 50V C13 10µ 50V C17 10µ 50V C18 470µ 6.3V C21 220µ 10V C15 0.47µ 50V C14 4.7µ 50V C16 0.022µ C20 0.1µ C19 0.1µ 15 16 17 18 19 20 24 25 26 27 28 23 21 22 EPJ BATT S2 C5 10µ C6 0.01µ Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same
SONY CXA1619BM/BS /o 卡 W 器⑧ ONS ② 83 ONS 馆 ⑧ 8号 品 ⊙ TOA 8 生三 鯨 1 0000 8 单 3 8 臨 强图 臣出 号 313W 弱 空 兰 0000 ⑧ 5 8 11 近 2 -9-
— 9 — CXA1619BM/BS Application Circuit 2 GND GND VCC Ripple FILTER AF IN DET OUT AFC AGC AFC AGC IF GND METER NC FM IF IN AM IF IN FM/AM BAND SELECT AF OUT GND GND NF VOL AM OSC AFC FM OSC Reg OUT FM RF AM RF IN NC FM RF IN FE GND FM/AM FE OUT FM DISCRI CXA1619BS 150 R3 CF3 RV1 50k R2 10k ANT R4 2.2k C11 100p C10 0.01µ R6 1k R5 330 CF1 CF2 R7 D1 T1 C8 4.7µ 5 C 0 4 6p L4 C3 22p L3 R1 100k C7 1p C2 18p L2 L1 FM S1 AM C1 2p BPF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 C12 10µ 50V C13 10µ 50V C17 10µ 50V C18 470µ 6.3V C21 220µ 10V C15 0.47µ 50V C14 4.7µ 50V C16 0.022µ C20 0.1µ C19 0.1µ 16 17 18 19 20 21 25 26 27 28 29 30 24 22 23 EPJ BATT S2 C5 10µ C6 0.01µ Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same
SONY CXA1619BM/BS Coil data AM OSC 9 Core diameter 0.06 mm 2UEW ④ L (UH) Qo Number of widings (t) f(kHz) 1to3 1to 3 1 to 3 4to 6 ① ⑥ 796 270 125 107 29 Equivalent to L-5K7-H5 R12-1684X.Mitsumi Electric Co.,Ltd or 7TRS-8441X TOKO Co.,Ltd. AM IFT Core diameter 0.07 mm UEW ③ ④ Co(pF) Qo Number of widings(t) 1to3 1to3 1to 2 2to3 4to 6 ①了 6 180 90 111 35 > Equivalent to 21K7-H5 R12-8558A.Mitsumi Electric Co.,Ltd. or 7MC-7789N TOKO Co.,Ltd. FM RF 00000 64mm o0.6mm4.5t FM OSC 00000 Φ4mm φ0.6mm3.5t AM bar antenna 00中 f(kHz) L(UH) Primary Secondary Primary 796 650 91t 20t Secondary BPF PFWE8 (88 to 108 MHz) Soshin Electric Co.,Ltd CF1 SFU-455B Murata Mfg.Co.,Ltd.Or BFCFL-455 TOKO Co.,Ltd. CF2 SFE10.7MA5 Murata Mfg.Co.,Ltd. CF3 CDA10.7MC1 Murata Mfg.Co.,Ltd -10-
—10— CXA1619BM/BS Coil data AM OSC Core diameter ø 0.06 mm 2UEW Equivalent to L-5K7-H5 R12-1684X. Mitsumi Electric Co., Ltd. or 7TRS-8441X TOKO Co., Ltd. FM RF FM OSC AM bar antenna BPF PFWE8 (88 to 108 MHz) Soshin Electric Co., Ltd. CF1 SFU-455B Murata Mfg. Co., Ltd. Or BFCFL-455 TOKO Co., Ltd. CF2 SFE10.7MA5 Murata Mfg. Co., Ltd. CF3 CDA10.7MC1 Murata Mfg. Co., Ltd. f (kHz) 796 L (µH) 1 to 3 270 QO 1 to 3 125 1 to 3 107 4 to 6 29 f (kHz) 796 L (µH) 650 Primary 91 t Secondary 20 t S 1 2 3 4 5 6 AM IFT Core diameter ø 0.07 mm UEW Equivalent to 21K7-H5 R12-8558A. Mitsumi Electric Co., Ltd. or 7MC-7789N TOKO Co., Ltd. S 1 2 3 4 5 6 φ 4mm φ 0.6mm 4.5t φ 4mm φ 0.6mm 3.5t Primary Secondary Number of widings (t) CO (pF) 1 to 3 180 QO 1 to 3 90 1 to 2 111 2 to 3 35 4 to 6 7 Number of widings (t)
