CXA1619BM/BS. FM/AM Radio

Transcription

1 / Radio CXA69BM/BS Description CXA69BM/BS is a one-chip / radio IC designed for radio-cassette tape recorders and headphone tape recorders, and has the following functions. CXA69BM CXA69BS 28 pin SOP (Plastic) 30 pin SDIP (Plastic) Features Small number of peripheral components. Low current consumption (=3 V) For : ID=5.8 ma (Typ.) For : ID=4.7 ma (Typ.) Built-in / select switch. Large output of amplifier. EIAJ output=500 mw (Typ.) when =6 V, load impedance 8 Ω Function section RF amplifier, Mixer and (incorporating variable capacitor). IF amplifier Quadrature detection Tuning LED driver section RF amplifier, Mixer and (with RF ) IF amplifier (with IF ) Detector Tuning LED driver section Electronic volume control Absolute Maximum Ratings (Ta=25 C) Supply voltage 4 V Operating temperature Topr 0 to +60 C Storage temperature Tstg 50 to +25 C Allowable power dissipation PD 700 mw (CXA69BM) PD 000 mw (CXA69BS) Recommended Operating Conditions Supply voltage 2 to 7.5 V (CXA69BM) 2 to 8.5 V (CXA69BS) 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. E9924-TE

2 Block Diagram CXA69BM Ripple DET IF / BAND FILTER IN METER SELECT IF DET TUNING METER POWER P FE DISCRIMINATOR FE IF NF VOL Reg FE / DISCRI RF FE CXA69BS Ripple FILTER IN DET IF METER / BAND SELECT IF DET TUNING METER POWER P FE DISCRIMINATOR FE IF DISCRI NF VOL Reg RF FE 5 / FE 2

3 Standard Circuit Design Data (The pin numbers in the parenthesis are for CXA69BS.) Voltage (V) No. Symbol =3 V =6 V Equivalent circuit Description (, 2) 2 (3) DISCRI k k 2 Phase-shift circuit Connect ceramic discriminator 3 (4) NF Negative feedback pin (28) Power amplifier output pin 4 4 (5) VOL CONT 20k Connect variable resistor for electronic volume control. 80k 5 5 (6) 3.6k local oscillation circuit 6 (7) 8 (9) REG V (REG) variable capacitor pin Regulator pin.25 V (Typ.) 7 7 (8) local oscillation circuit 3

4 Voltage (V) No. Symbol =3 V =6 V Equivalent circuit Description 9 (0) RF 9 3p Connect RF tuning coil 2 (3) k 8k RF input pin 0 0 () RF input pin (2) 3 (4) (FE ) 4 (5) / FE IF output pin of and. Connect IF filter. and bands selection 5 (6) BAND SELECT switch pin. During it becomes and during open it becomes. 6 (7) 6 2k Input pin of IF. 7 (8) Input pin of IF. 8 (9) 4

5 Voltage (V) No. Symbol =3 V =6 V Equivalent circuit Description 9 9 (20) METER V N 3 Meter drive circuit (For tuning indicator) 20 (2) pin of W band. 2 (22) / During, it determines time constant of pin of J band. 22 (23) / 33k 39k 2 During, it determines 23 time constant of. 23 (24) DET Detection output pin 24 (25) IN 24 k 4 4 Power amplifier input pin 82k 25 (26) RIPPLE FILTER k 73k Ripple filter 90k 26 (27) Power supply pin 28 (29, 30) Power The pin voltage of pin 6 during, it is the same pin voltage of pin 22 (23) during J BAND and is the same pin voltage of pin 2 (22) during W BAND. 5

6 Electrical Characteristics (See the Electrical Characteristics Test Circuit, Ta=25 C, =6 V) No Item circuit current circuit current front end voltage gain detection output level IF knee level detection output distortion factor Symbol ID ID2 GV 2 THD SW conditions 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 Test Point IA IA VA Conditions No signal, No signal, VIN=40 dbµv, 00 MHz VIN3=90 dbµv, 0.7 MHz ( khz, 22.5 khz DEV) VIN3=level at a point 3 db down from VIN3=90 dbµv, 0.7 MHz ( khz, 22.5 khz DEV) VIN3=90 dbµv, 0.7 MHz ( khz, 75 khz DEV) Min. Typ. Max. Unit ma ma db mvrms dbµv % 7 meter current IB A A B A IM VIN3=60 dbµv, 0.7 MHz ma 8 front end voltage gain GV2 A A A A A A VB VIN2=60 dbµv, 660 khz db 9 0 IF voltage gain detection output level GV3 3 A A A A A A A A A A VIN3 when 455 khz ( khz, 30 % MOD) output is 34 dbm VIN3=85 dbµv, 455 khz ( khz, 30 % MOD) dbµv mvrms meter current IB2 A A A A A IM VIN3=85 dbµv, 455 khz ma detection output 2 THD2 A A B B A A distortion factor VIN2=95 dbµv, 660 khz % ( khz, 30 % MOD) 3 Audio voltage gain GV4 A B VE VIN4= 30 dbm, khz db 4 Audio distortion factor THD3 A B VE Distortion factor for output of 50 mw % VIN4= 20 dbm, khz 0 dbµv= µv 6

7 Electrical Characteristics Test Circuit REG 00 VIN2 VIN VA 330 B A S2 24p 2k 2k IFT CF VB 30p S3 B VIN3 A B 50 50µH 43p 0p 00k 50k 24k BPF 30p 30p 000p 8p 24p B A 24k µ 50 S CF3 33k 33k / FE FE RF Reg VOL NF DISCRI CXA69BM / BAND SELECT METER IF DET IN Ripple FILTER S B A A S4 IM µ 4.7µ µ B S6 A 5k 0.02µ 0.047µ VIN4 µ 00µ 470µ 0.047µ CF CF3 IFT 8 : 455kHz C.F. : DISCRIMINATOR : 455kHz IFT : VE 7

8 Application Circuit ANT BPF S C0 C 00p R4 2.2k L C 2p L2 C2 8p L3 C3 22p L4 C4 6p 4 C5 3 C C7 p 6 R 00k C8 4.7µ 50 2 CF3 R3 50 / FE FE RF Reg VOL NF DISCRI CXA69BM / BAND SELECT METER IF DET IN Ripple FILTER T CF R5 330 CF2 C2 C3 R6 k C4 4.7µ R7 D C µ C5 0.47µ C9 0.µ C7 C8 470µ 6.3V C20 0.µ C2 220µ 0V 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. RV 50k R2 0k S2 EPJ BATT 8

9 Application Circuit 2 ANT BPF S C0 C 00p R4 2.2k L C 2p L2 C2 8p L3 C3 22p L4 C4 6p 5 C5 4 C C7 p 7 R 00k C8 4.7µ 50 3 CF3 R / FE FE RF Reg VOL NF DISCRI CXA69BS / BAND SELECT METER IF DET IN Ripple FILTER T CF R5 330 CF2 C2 C3 R6 k C4 4.7µ R7 D C µ C5 0.47µ C9 0.µ C7 C8 470µ 6.3V C20 0.µ C2 220µ 0V 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. RV 50k R2 0k S2 EPJ BATT 9

10 Coil data S IFT 3 S Core diameter ø 0.06 mm 2UEW f (khz) L (µh) to Equivalent to L-5K7-H5 R2-684X. Mitsumi Electric Co., Ltd. or 7TRS-844X TOKO Co., Ltd. Core diameter ø 0.07 mm UEW CO (pf) to 3 80 QO QO Number of widings (t) to 3 to 3 4 to Number of widings (t) to 3 to 2 2 to 3 4 to Equivalent to 2K7-H5 R2-8558A. Mitsumi Electric Co., Ltd. or 7MC-7789N TOKO Co., Ltd. RF φ 4mm φ 0.6mm 4.5t φ 4mm φ 0.6mm 3.5t bar antenna Primary f (khz) 796 L (µh) 650 Primary 9 t Secondary 20 t Secondary BPF PFWE8 (88 to 08 MHz) Soshin Electric Co., Ltd. CF SFU-455B Murata Mfg. Co., Ltd. Or BFCFL-455 TOKO Co., Ltd. CF2 SFE0.7MA5 Murata Mfg. Co., Ltd. CF3 CDA0.7MC Murata Mfg. Co., Ltd. 0

11 ± ± CXA69BM/BS Package Outline Unit : mm CXA69BM 28PIN SOP (PLASTIC) ± M PACKAGE STRUCTURE PACKAGE MATERIAL EPOXY RESIN SONY CODE SOP-28P-L04 LEAD TREATMENT SOLDER PLATING EIAJ CODE SOP028-P-0375 LEAD MATERIAL 42/COPPER ALLOY JEDEC CODE PACKAGE MASS 0.7g CXA69BS 30PIN SDIP (PLASTIC) to ± ± MIN 0.5 MIN Two kinds of package surface:.all mat surface type. 2.All mirror surface type. PACKAGE STRUCTURE MOLDING COMPOUND EPOXY RESIN SONY CODE EIAJ CODE SDIP-30P-0 SDIP030-P-0400 LEAD TREATMENT LEAD MATERIAL SOLDER/PALLADIUM PLATING COPPER ALLOY JEDEC CODE PACKAGE MASS.8g NOTE : PALLADIUM PLATING This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame).