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SN761681 Datasheet(PDF) 7 Page - Texas Instruments |
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SN761681 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 20 page  www.ti.com ELECTRICAL CHARACTERISTICS, Total Device and Serial Interface SN761681 TV TUNER IC SLES165 – DECEMBER 2005 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 ICC1 Supply current 1 60 mA ICC2 Supply current 2 One band switch on (IBS = 10 mA) 70 mA VIH High-level input voltage (SCL, SDA) 2.8 VCC V VIL Low-level input voltage (SCL, SDA) 1.4 V IIH High-level input current (SCL, SDA) 10 µA IIL Low-level input current (SCL, SDA) –10 µA Power-on-reset supply voltage VPOR (threshold of supply voltage between 2.1 2.8 3.5 V reset and operation mode) I2C INTERFACE Address-select high-input voltage VASH VCC = 5 V 4.5 5 V (AS) Address-select mid1-input voltage VASM1 VCC = 5 V 2 3 V (AS) Address-select mid2-input voltage VASM2 VCC = 5 V 1 1.5 V (AS) Address-select low-input voltage VASL VCC = 5 V 0.5 V (AS) Address-select high-input current IASH 140 µA (AS) Address-select low-input current IASL –50 µA (AS) VADC ADC input voltage See Table 8 0 VCC V IADH ADC high-level input current VADC = VCC 10 µA IADL ADC low-level input current VADC = 0 V –50 µA VOL Low-level output voltage (SDA) VCC = 5 V, IOL = 3 mA 0.4 V High-level output leakage current lSDAH VSDA = 5.5 V 10 µA (SDA) fSCL Clock frequency (SCL) 100 400 kHz I2C Timing (see timing chart, Figure 16) thd(DAT) Data hold time 0 µs t(BUF) Bus free time 1.3 µs thd(STA) Start hold time 0.6 µs t(Low) SCL-low hold time 1.3 µs t(High) SCL-high hold time 0.6 µs tsu(STA) Start setup time 0.6 µs tsu(DAT) Data setup time 0.1 µs tr SCL, SDA rise time 0.3 µs tf SCL, SDA fall time 0.3 µs tsu(STO) Stop setup time 0.6 µs 7 |
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