Ordering number : ENA0207 Monolithic Linear IC LA1652C Time Code Reception IC Overview The LA1652C time code reception IC receives long-wave time standard broadcasts (such as the Japanese JJY and German DCF77 standards) and detects and outputs the time code superposed on the long-wave signal. Applications can automatically correct their clock's time setting by using the time code received by the LA1652C. Note that the LA1652C is a bare chip product that is not packaged. Functions • RF amplifier, rectifier, detector, time code output, and standby circuit. Features • Low-voltage operation (operating VCC as low as 1.8V). • Standby mode current drain less than or equal to 0.1µA. Japan : JJY 40/60kHz Germany : DCF77 77.5kHz Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Symbol Conditions Ratings VCC max Unit 5.0 V Operating temperature Topr -20 to +70 °C Storage temperature Tstg -40 to +125 °C Operating Conditions at Ta = 25°C Parameter Symbol Ratings Conditions min Recommended supply voltage VCC Operating supply voltage range VCC op typ Unit max 3.0 1.8 V 3.6 V Any and all SANYO Semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor products described or contained herein. 92706 / 12506 MS OT B8-6641 No.A0207-1/5 LA1652C Operating Characteristics at Ta = 25°C, VCC = 3.0V * : Packaged in an SSOP16 package and measured using the IC51-0162-911 socket (Yamaichi Electronics Co., Ltd.) Overall Characteristics Parameter Symbol Ratings Conditions min Quiescent current ICCO No input Standby mode current drain ISTB PAD15 = 3.0V typ Unit max 55 70 µA 0.01 0.1 µA Amplifier Input Characteristics Parameter Symbol Ratings Conditions min Input impedance Input frequency range ZI PAD1 typ 2.0 FIN 37.5 Minimum input voltage VMIN PAD1 input level Maximum input voltage VMAX PAD1 input level Unit max 1 50 MΩ 80.0 2 100 kHz µVrms mVrms TCO Output Characteristics - Input pad = PAD1, fin = 40kHz Parameter Symbol High-level output voltage VOH Low-level output voltage VOL Output pulse width T500 VIN = 0 to 100dBµV, AM modulation (1Hz square wave, duty = 50%, 10:1 modulation) T800 T200 (500 ms input) Output pulse width (800 ms input) Output pulse width (200 ms input) Ratings Conditions min typ 2.90 2.95 Unit max V 0.05 0.10 V 350 450 550 ms VIN = 0 to 100dBµV, AM modulation (1Hz square wave, duty = 80%, 10:1 modulation) 650 750 850 ms VIN = 0 to 100dBµV, AM modulation (1Hz square wave, duty = 20%, 10:1 modulation) 100 200 300 ms No.A0207-2/5 LA1652C Chip Specifications Parameter Conditions Ratings Unit 1.73×2.60 mm2 Chip thickness 330(±20) µm Pad size 140×140 µm2 Pad opening 115×115 µm2 Chip size PAD Coordinates PAD X-Axis Y-Axis PAD X-Axis Y-Axis P1 664 150 P9 1293 2450 P2 180 180 P10 1580 2330 P3A 150 864 P11 1580 2103 P3B 150 372 P12 1580 1754 P4 150 1034 P13 1580 1360 P5 150 1563 P14 1580 1108 P6A 150 2269 P15 1570 160 P6B 150 1733 P16 974 150 P7 160 2440 P8 876 2450 Notes 1. The left upper corner of the Pad Layout Diagram on the following page is the origin, the X axis increases to the right and the Y axis increases in the downward direction. 2. Units : µm 3. The pad coordinates give the coordinate values of the center of the pads. 4. Both of each of the pairs P3A/P3B (VCC) and P6A/P6B (ground) must be bonded. No.A0207-3/5 LA1652C Pad Layout Diagram PCA00615 Block Diagram 16 15 REGULATOR AGC-AMP 1 14 13 AGC 12 11 FILTER 3 9 DECODER AMP 2 10 RECTIFIER 4 5 6 7 8 PCA00616 No.A0207-4/5 LA1652C Test Circuit Diagram TCO NORMAL 470pF AGC HOLD NORMAL STANDBY 47000pF 10000pF 10000pF 0.47µF 16 15 14 13 12 11 10 9 6 7 8 LA1652 1 2 51Ω 3 4 5 ICC A VCC 0.47µF 10000pF 2pF 100kΩ 15pF 40kHz crystal Signal Generator : Zo=50Ω PCA00617 Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. 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Specifications and information herein are subject to change without notice. PS No.A0207-5/5