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| FUJITSU SEMICONDUCTOR DATA SHEET DS04-13400-2E LINEAR IC FREQUENCY-TO-VOLTAGE CONVERTER MB4206 FREQUENCY-TO-VOLTAGE CONVERTER WITH SINGLE POWER SUPPLY COMPARATOR The Fujitsu MB4206 is a frequency-to-voltage converter with an on-chip comparator. The MB4206 uses a charge pump driven by a positive-edge Schmitt trigger/flip-flop input so stable operation is achieved against noise signal input. The output of the comparator is zener-clamped to a reference voltage; thus, a precise hysteresis output is obtained. The overall design makes the circuit fairly tolerant of imperfections in the input waveform. * Conversion coefficient determined by RC pair: VO(F) = FIN * RT * CT * VR * Positive edge-triggered frequency input * Equal internal reference high-level ouput and comparator high level output * Package - 8-pin plastic SIP package (Suffix: -PS) PLASTIC PACKAGE (SIP-08P-M03) PIN ASSIGNMENTS s ABSOLUTE MAXIMUM RATINGS (see NOTE) 8 OUT(C) +IN(C) VO(F) /-IN(C) VR GND TC IN(F) V CC Rating Power Supply Voltage Surge Voltage at VCC Zener Current Power Dissipation Operating Temperature Storage Temperature NOTE: Symbol VCC VCC(S) IZ PD TOP TSTG Value 24 40 (t 50ms) 20 (Ta= 25C) Unit V V mA mW F/V + 7 6 5 4 3 2 1 _ 300 (Ta 85C) -30 to +85 -55 to +125 C C Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional operation should be restricted to the conditions as detailed in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Front View) 1 MB4206 Fig. 1 -- MB4206 BLOCK DIAGRAM V CC 1 5K IN(F) 2 Charge Pump + 5.4V 5.4V 5.4V 4 3 TC 6 VO(F) /-IN(C) 7 +IN(C) 8 5 OUT(C) V R FIG. 2 -- TYPICAL HOOKUP AND OPERATING PARAMETERS VCC 1 RIN f IN 2 7 R3 3 CIN CT RT VO(F) C0 4 6 VO(F) R1 R2 5 8 VO(C) The following equations define the operating frequency of the comparator. f f IN VO(C) f L H . = . 1 CT RT R2+ R2 R1 R3 R1+ R3 . = . 1 CT RT IN R2 R3 R 1 R 2 +R 1 R 3 + R 2 R 3 are needed when input noise is R IN and C excessive. f L f H f IN 2 MB4206 s ELECTRICAL CHARACTERISTICS (Ta = 25C, VCC = 12V) Parameter Power Supply Current Symbol ICC VCC VR IL(R)=1mA IL(R)=1mA VIH VIL Condition Value Min 6.5 5.0 2.4 0 1 0.1 II IO K VIH(F)=24V VIL(F)=1.2V VTC=2.5V CT=0.1F, RT=47k, f=100Hz CT=0.1F, RT=47k VIO II VICM AV VOL VOH ISINK RL=10k ISINK=3mA IL=0.5mA VOL 1V *3 Typ 7.0 5.4 +1.4 4 0.4 1.0 0.3 2.0 0.5 100 0.1 5.4 22 Max 10.0 24 5.8 24 1.2 8 0.1 0.58 1.1 10 3.0 VR 0.2 5.8 - Unit mA V V mV/C V V V/ms V/ms mA mA mA % mV A V dB V V mA Power Supplies Power Supply Voltage Reference Voltage Reference Voltage Temperature Coefficient Input High Voltage Input Low Voltage Positive-edge Negative-edge F/V Converter Input Current Output Current F/V Coefficient*1 Linearity*2 Input Offset Voltage Input Bias Current Common Mode Input Voltage*4 Comparator Voltage Gain Output Voltage Sink Current Note: *1 VO(F)=K * VR * CT * RT * f *2 0.26 0.9 0 5.0 8 *3 *4 If VCC is lower than VR, use (VCC-2). With IN = 100Hz as a reference, linearity is defined as the straight-line deviation over an input frequency range of 50- to - 150 Hz -- see TYPICAL PERFORMANCE CHARACTERISTICS. The current flows from IC. 3 MB4206 Fig. 3 -- TEST CIRCUIT 1 2 3 f IN MB4206 8 4 5 6 VO(F) C T V O(C) V CC 7 RL VR C0 RT +V IN(C) s TYPICAL PERFORMANCE CHARACTERISTICS Fig. 4 POWER SUPPLY CURRENT/REFERENCE VOLTAGE vs POWER SUPPLY VOLTAGE 10 Power Supply Current ICC (mA) Reference Voltage VR (V) Fig. 5 REFERENCE VOLTAGE vs LOAD CURRENT 6 VR 85 C Reference Voltage VR (V) 8 I CC -30 25 C C, 85 C -30C 25 C VR VR (mV) 6 0 4 VR 4 I L =0 Reference Voltage 100 V IN = 12V 200 2 2 0 0 10 20 30 Power Supply Voltage VCC (V) 0 0 1 2 Load Current IL(R) (mA) 4 MB4206 s TYPICAL PERFORMANCE CHARACTERISTICS (Continued) Fig. 6 OUTPUT CURRENT vs OPERATING TEMPERATURE Fig. 7 OUTPUT LOW VOLTAGE vs SINK CURRENT Output Current I O(F) (A) 450 Output Low Voltage VOL (V) 0.4 85C 25C -30C 0.3 24V 400 12V 6.5V 0.2 0.1 350 -50 0 0 50 100 0 2 4 6 8 10 Operating Temperature Ta ( C) Sink Current I SINK (mA) Fig. 8 Input Frequency fIN (Hz) F/V CONVERTER OUTPUT VOLTAGE vs INPUT FREQUENCY 6 F/V Converter Output Voltage V O(F) (V) Fig. 9 F/V CONVERTER TRANSMISSION CHARACTERISTICS 100 0 4 3 CT = 0.1 F RT = 47 k CO = 10 F CT = 0.1 F RT = 47 k CO = 10 F F/V Converter Output 2 Voltage V O(F) (V) 2 1 0 0 200 400 600 800 1000 0 0 100 200 300 Input Frequency fIN (Hz) Time t (ms) 5 MB4206 s PACKAGE DIMENSIONS 8-LEAD PLASTIC SINGLE IN-LINE PACKAGE (CASE No.: SIP-8P-M03) +.006 +0.15 .774 -.014 (19.65 -0.35 ) INDEX-1 .244.010 (6.200.25) .323.012 (8.200.30) INDEX-2 +.012 .039 -0 +0.30 (0.99 ) -0 .100(2.54) TYP +.012 .060 -0 (1.52 +0.30 ) -0 .020.003 (0.50.0.08) .128.010 (3.260.25) .157.012 (4.000.30) .010.002 (0.250.05) (c)1991 FUJITSU LIMITED S08010S-3C Dimensions in inches (millimeters) 6 MB4206 FUJITSU LIMITED For further information please contact: Japan FUJITSU LIMITED Corporate Global Business Support Division Electronic Devices KAWASAKI PLANT, 1015, Kamikodanaka Nakahara-ku, Kawasaki-shi Kanagawa 211, Japan Tel: (044) 754-3753 Fax: (044) 754-3329 North and South America FUJITSU MICROELECTRONICS, INC. Semiconductor Division 3545 North First Street San Jose, CA 95134-1804, U.S.A. Tel: (408) 922-9000 Fax: (408) 432-9044/9045 Europe FUJITSU MIKROELEKTRONIK GmbH Am Siebenstein 6-10 63303 Dreieich-Buchschlag Germany Tel: (06103) 690-0 Fax: (06103) 690-122 Asia Pacific FUJITSU MICROELECTRONICS ASIA PTE. LIMITED No. 51 Bras Basah Road, Plaza By The Park, #06-04 to #06-07 Singapore 189554 Tel: 336-1600 Fax: 336-1609 All Rights Reserved. Circuit diagrams utilizing Fujitsu products are included as a means of illustrating typical semiconductor applications. Complete information sufficient for construction purposes is not necessarily given. The information contained in this document has been carefully checked and is believed to be reliable. However, Fujitsu assumes no responsibility for inaccuracies. The information contained in this document does not convey any license under the copyrights, patent rights or trademarks claimed and owned by Fujitsu. Fujitsu reserves the right to change products or specifications without notice. No part of this publication may be copied or reproduced in any form or by any means, or transferred to any third party without prior written consent of Fujitsu. The information contained in this document are not intended for use with equipments which require extremely high reliability such as aerospace equipments, undersea repeaters, nuclear control systems or medical equipments for life support. F9601 (c) FUJITSU LIMITED Printed in Japan 7 |
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