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SN761678BDCHR Datasheet(PDF) 8 Page - Texas Instruments |
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SN761678BDCHR Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 21 page  www.ti.com Electrical Characteristics – PLL and Band Switch SN761678B TV TUNER IC SLES185 – JUNE 2006 V CC = 4.5 V to 5.5 V, TA = –20°C to 85°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT N Divider ratio 15-bit frequency word 256 32767 fXTAL Crystal oscillator frequency RXTAL = 25 Ω to 300 Ω 3.2 4 4.48 MHz ZXTAL Crystal oscillator input impedance 1.6 k Ω VIXTAL2 Minimum reference input sensitivity (XTAL) 4 MHz, ac coupling with 0.1- µF capacitor 100 mVp-p VVTUL Tuning amplifier low-level output voltage RL = 22 kΩ, VTU = 33 V 0.4 0.5 V IVTUOFF Tuning amplifier leakage current (off) OS = 1, VTU = 33 V 10 µA ICPH Charge-pump high-level input current CP = 1 280 µA ICPL Charge-pump low-level input current CP = 0 60 µA VCP Charge-pump output voltage PLL locked 1.95 V ICPOFF Charge-pump leakage current T2 = 0, T1 = 1, VCP = 2 V, TA = 25°C –15 15 nA IBS Band-switch driver output current 10 mA VBS1 IBS = 10 mA 3 Band-switch driver output voltage V VBS2 IBS = 10 mA, VCC = 5 V, TA = 25°C 3.5 3.9 IBSOFF Band-switch driver leakage current VBS = 0 V 3 µA 8 Submit Documentation Feedback |
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