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LM9833 Datasheet(PDF) 7 Page - Texas Instruments |
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LM9833 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 44 page 6 www.national.com CCD/CIS Source Requirements for Full Specified Accuracy and Dynamic Range (Note 12) VCCDPEAK Sensor’s Maximum Output Signal Amplitude before LM9833 Analog Front End Saturation Gain = 0.933 Gain = 3.0 Gain = 9.0 1.9 0.6 0.19 V V V Analog Input Characteristics Average OSR, OSG, OSB Input Current CDS Enabled, OS = 3.5VDC ±3 nA OSR, OSG, OSB Input Current CDS Disabled, OS = 3.5VDC ±26 ±30 µA (max) Internal Voltage Reference Characteristics VBANDGAP Voltage Reference Output Voltage 1.23 V VREF LO Negative Reference Output Voltage VREF MID-1.0 V VREF MID Midpoint Reference Output Voltage VA/2.0 V VREF HI Positive Reference Output Voltage VREF MID+1.0 V VREGULA- TOR USB I/O Voltage Regulator 3.3 V DC and Logic Electrical Characteristics The following specifications apply for AGND=DGND=0V, VA=VD=VDRAM=+5.0VDC unless otherwise noted, fCRYSTAL IN= 48MHz. Boldface limits apply for TA=TJ=TMIN to TMAX; all other limits TA=TJ=25°C. (Notes 8, 9, & 10) Symbol Parameter Conditions Typical (Note 9) Limits (Note 10) Units (Limits) Digital Input Characteristics for D0-D15 (DRAM Interface) VIN(1) Logical “1” Input Voltage VDRAM=5.25V VDRAM=3.6V 2.0 2.0 V (min) V (min) VIN(0) Logical “0” Input Voltage VDRAM=4.75V VDRAM=2.85V 0.8 0.8 V (max) V (max) IIN Input Leakage Current ±0.1 µA CIN Input Capacitance 5 pF Digital Input Characteristics for PAPER SENSE 1-2, MISC I/O 1-6, SDA, BUS POWER, CRYSTAL/EXT CLOCK, 24/48, RESET, CMODE VIN(1) Logical “1” Input Voltage VD=5.25V 2.0 V (min) VIN(0) Logical “0” Input Voltage VD=4.75V 0.8 V (max) IIN Input Leakage Current ±0.1 µA CIN Input Capacitance 5 pF Digital Input Characteristics for D+, D- VIN(1) Logical “1” Input Voltage VD=5.25V 2.0 V (min) VIN(0) Logical “0” Input Voltage VD=4.75V 0.8 V (max) IIN Input Leakage Current ±0.1 µA CIN Input Capacitance 5 pF Electrical Characteristics (Continued) The following specifications apply for AGND=DGND=0V, VA=VD=VDRAM=+5.0VDC, fCRYSTAL IN= 48MHz, Analog Bias Current = 100%, unless otherwise noted. Boldface limits apply for TA=TJ=TMIN to TMAX; all other limits TA=TJ=25°C. (Notes 8, 9, & 10) Symbol Parameter Conditions Typical (Note 9) Limits (Note 10) Units (Limits) |
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