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| Prescaler DN8506S Prescaler IC for TV and VCR tuners s Overview The DN8506S is a 1.1GHz prescaler IC for television and VCR tuners. It is made up of ECL flip-flop circuits divided by 128 and 136. 0.40.25 0.60.3 Unit: mm 1 8 5.00.3 s Features * Power dissipation: 5 V, 26 mA * The dividing ratios of 1/128, 1/136 * ECL-level output 1.27 4 5 * Television, VCR 0.10.1 0.3 4.20.3 6.50.3 SOP008-P-0225A s Block Diagram VCC In 2 Ref. 8 DQ RF amp. 4 GND PSC block GND TQ DQ TQ DQ TQ DQ TQ DQ Output amp. 5 Out DQ DQ TQ TQ TQ 1V CC PSC 7 N.C. 3 N.C. 6 1.50.2 0.15 0.65 s Applications 1 DN8506S s Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 Description VCC (5 0.5 V) Input N.C. GND Output N.C. PSC Ref. (bias) Prescaler s Absolute Maximum Ratings Parameter Supply voltage Input voltage Power dissipation Operating ambient temperature * Storage temperature * Symbol VCC VI PD Topr Tstg Rating 6 2.5 361 -20 to +80 -55 to +125 Unit V V[p-p] mW C C Note) *: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. s Recommended Operating Range Parameter Supply voltage Symbol VCC Range 4.5 to 5.5 Unit V s Electrical Characteristics at Ta = 25C Parameter Supply current Output amplitude Input voltage * Symbol ICC VO VIN1 VCC = 5.0 V Conditions VCC = 5.0 V, f = 1 GHz, 0 dBm VCC = 5.0 V, fIN = 150 MHz to 900 MHz VCC = 5.0 V, fIN = 80 MHz to 1 100 MHz PSC pin PSC pin Min 0.8 -24 40 -18 80 0.7 x VCC Typ 26 1.2 Max 35 1.5 0.3 x VCC Unit mA V[p-p] dBm mV[p-p] dBm mV[p-p] V V VIN2 High-level input voltage Low-level input voltage VIH VIL Note) *: The input level that allows a stipulated frequency-devided output. 2 Prescaler s Electrical Characteristics at Ta = 25C (continued) * Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. DN8506S Parameter Supply current Input voltage * Symbol ICC VIN1 VIN2 VCC = 5.5 V Conditions VCC = 5.0 0.5 V fIN = 150 MHz to 900 MHz VCC = 5.0 0.5 V fIN = 70 MHz to 1 100 MHz Min 30 60 Typ Max 42 Unit mA 1 000 mV[p-p] 1 000 Note) *: The input level that allows a stipulated frequency-devided output. 3 |
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