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| Ordering number: EN5191A Bi-CMOS LSI LV3403M 3 V Operation Filter for FM Multiplex Broadcasting Reception Overview The LV3403M is a filter IC for FM multiplex broadcasting reception which is used in combination with demodulationerror correction IC (LC72703). The use of switched capacitor filter (SCF) technique obviates the need for frequency adjustment and ensures stable operation. Package Dimensions unit : mm 3111-MFP14S [LV3403M] Functions . 76 kHz BPF (Gaussian filter) . 54 kHz HPF . 125 kHz LPF . Anti-aliasing filter . Limiter circuit SANYO : MFP14S Features . No adjustments needed due to SCF-used configuration. . Few external components needed. Specifications Maximum Ratings at Ta = 25 C Parameter Maximum supply voltage Maximum input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VIN max Pd max Topr Tstg SIG.IN, CLK IN pin Conditions Ratings 6 -0.3 to VCC +0.3 180 -20 to +70 -55 to +125 Unit V V mW C C Operating Conditions at Ta = 25 C Parameter Recommended supply voltage Operating supply voltage range Input voltage range Clock frequency Clock input voltage Symbol VCC VCC op VIN fck Vck Base band signal equivalent to FM: 100% modulation fIN = 76 kHz, CW Rectangular wave Rectangular wave Conditions Ratings 3 2.7 to 4.5 200 to 300 8 to 30 3.60 1.0 to VCC Unit V V mVrms mVrms MHz Vp-p SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 62096HA(II)/81095HA(II) No.5191-1/3 LV3403M Electrical Characteristics at Ta = 25 C, VCC = 3 V, fck = 3.6 MHz, Vck = 1 Vp-p Parameter Current drain SCF block common voltage Input signal resistance Clock input resistance [MSK Output] Input sensitivity Output high-level voltage Output low-level voltage Symbol ICCO V2 RIN3 RIN12 V3S V10H V10L Conditions Current on pin 14 when VIN = no signal Voltage on pin 2 when VIN = no signal Pin 3 input resistance Pin 12 input resistance fIN = 76 kHz, the input level at which MSK output is the same frequency when CW is applied VIN = 76 kHz, 4 mVrms, CW VIN = 76 kHz, 4 mVrms, CW min 3.5 1.2 typ 5 1.4 36 5 max 6.5 1.6 Unit mA V k k 4 mVrms 2.5 0.4 V V Reference Characteristics Parameter AAF cut-off frequency HPF corner frequency LPF cut-off frequency BPF center frequency BPF -3 dB frequency Difference in maximum group delay within band Ratings 300 54 125 76 19 5 Unit kHz kHz kHz kHz kHz s Integrated Characteristics Group delay Input frequency, fIN - kHz Pin Assignment Group delay -s Gain, G - dB Top view No.5191-2/3 LV3403M Pin Descriptions Pin No. 1 2 3 10 11 12 14 5, 8, 13 4, 6, 7, 9 Pin name GND VCOM SIG.IN MSK OUT VREF CLK IN VCC TEST PIN NC Ground. Common for SCF section. Connect to decoupling capacitor. Signal input. Input a frequency-modulated signal (composite signal) at 200 to 300 mVrms. When inputting 76 kHz only, the input sensitivity is 4 mVrms or less. MSK output (CMOS output.) Limiter reference pin. Form an LPF with the 10 k internal resistor and an external capacitor. 3.6 MHz clock input. Because the DC bias is output by the limiter amplifier input, the clock is input with capacitor coupling. Power supply Test pin. Leave open. Unused. Description Notes on usage: (1) When using this IC, leave pins 4 to 9 and pin 13 open. (2) The clock is connected to pin 12 from the decoder (LC72700) clock output pin through a 100 pF capacitor. In addition, by inserting a resistor in the clock line, it is possible to dampen the rising and falling edges, reducing spurious radiation. Equivalent Circuit Block Diagram Clock input MSK output Dual-mode clock generator Bias circuit SIG. input 76 kHz CW Note : Pins 4 through 9 and pin 13 must be left open. No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of June, 1996. Specifications and information herein are subject to change without notice. No.5191-3/3 |
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