LM9832 datasheet(6/42 Pages) NSC

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CCD/CIS Source Requirements for Full Specified Accuracy and Dynamic Range (Note 12)

VCCDPEAK

Sensor’s Maximum Output Signal

Amplitude before LM9832 Analog Front

End Saturation

Gain = 0.933

Gain = 3.0

Gain = 9.0

1.9

0.6

0.19

Analog Input Characteristics

Average OSR, OSG, OSB Input Current

CDS Enabled, OS = 3.5VDC

±3

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

VREF LO

Negative Reference Output Voltage

VREF MID-1.0

VREF MID

Midpoint Reference Output Voltage

VA/2.0

VREF HI

Positive Reference Output Voltage

VREF MID+1.0

VREGULA-

TOR

USB I/O Voltage Regulator

3.3

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

V (min)

VIN(0)

Logical “0” Input Voltage

VDRAM=4.75V

VDRAM=2.85V

0.8

V (max)

IIN

Input Leakage Current

±0.1

µA

CIN

Input Capacitance

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

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

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)

LM9832 Datasheet(PDF) 6 Page - National Semiconductor (TI)

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