LM9811 datasheet(4/36 Pages) NSC

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Electrical Characteristics (Continued)

The following specifications apply for AGND = DGND = DGND(I/O) = 0V, V

A = VD = +5.0VDC,VD(I/O) = +5.0 or +3.0VDC,

REF IN = +1.225V

DC,fMCLK = 20MHz, RS = 25Ω. All LSB units are ADC LSBs unless otherwise specified. Boldface limits

apply for T

A = TJ = TMIN to TMAX; all other limits TA = TJ = 25˚C. (Note 8)

Symbol

Parameter

Conditions

Typical

Limits

Units

(Note 9)

(Note 10)

(Limits)

REFERENCE AND ANALOG INPUT CHARACTERSTICS (Note 7)

OS Input Leakage Current

Measured with OS = 2.45V

DC

2

20

nA (max)

R

REF

ADC Reference Ladder (REF OUT

HI

950

500

Ω (min)

to REF IN) Impedance

2000

Ω (max)

REF IN

Reference Voltage (Note 13)

1.225

1.19

V (min)

1.26

V (max)

DC and Logic Electrical Characteristics

The following specifications apply for AGND = DGND = DGND

(I/O) = 0V, VA = VD = +5.0VDC,VD(I/O) = +5.0 or +3.0VDC, REF

IN = +1.225V

DC,fMCLK = 20MHz, Rs = 25Ω. Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ =

25˚C.

Symbol

Parameter

Conditions

Typical

Limits

Units

(Note 9)

(Note 10)

(Limits)

CD0–CD7, MCLK, SYNC, SDI, SCLK, CS , RD DIGITAL INPUT CHARACTERISTICS

V

IN(1)

Logical “1” Input Voltage

V

D(I/O) = 5.25V

2.0

V (min)

V

D(I/O) = 3.6V

2.0

V (min)

V

IN(0)

Logical “0” Input Voltage

V

D(I/O) = 4.75V

0.8

V (max)

V

D(I/O) = 2.7V

0.7

V (max)

I

IN

Input Leakage Current

V

IN = VD

0.1

µA

V

IN = DGND

−0.1

µA

C

IN

Input Capacitance

5

pF

DD0–DD9, EOC , CCLK, SDO DIGITAL OUTPUT CHARACTERISTICS

V

OUT(1)

Logical “1” Output Voltage

V

D(I/O) = 4.75V, IOUT = −360 µA

2.4

V (min)

V

D(I/O) = 4.75V, IOUT = −10 µA

4.4

V (min)

V

D(I/O) = 2.7V, IOUT = −360 µA

2.1

V (min)

V

D(I/O) = 2.7V, IOUT = −10 µA

2.5

V (min)

V

OUT(0)

Logical “0” Output Voltage

V

D(I/O) = 5.25V, IOUT = 1.6 mA

0.4

V (max)

V

D(I/O) = 3.6V, IOUT = 1.6 mA

0.4

V (max)

I

OUT

TRI-STATE® Output Current

V

OUT = DGND

0.1

µA

(DD0–DD9 only)

V

OUT = VD

−0.1

µA

C

OUT

TRI-STATE Output Capacitance

5

pF

φ1, φ2, RS, TR DIGITAL OUTPUT CHARACTERISTICS

V

OUT(1)

Logical “1” Output Voltage

V

D = 4.75V, IOUT = −360 µA

2.4

V (min)

V

D = 4.75V, IOUT = −10 µA

4.4

V (min)

V

OUT(0)

Logical “0” Output Voltage

V

D = 5.25V, IOUT = 1.6 mA

0.4

V (max)

POWER SUPPLY CHARACTERISTICS

I

A

Analog Supply Current

Operating

25

38

mA (max)

Standby

50

µA

I

D

Digital Supply Current

Operating

6

8

mA (max)

Standby

65

µA

I

D(I/O)

Digital I/O Supply Current

Operating, V

D(I/O) = 5.0V

3.1

6

mA (max)

Operating, V

D(I/O) = 3.0V

1.6

4

mA (max)

Standby, V

D(I/O) = 5.0V or 3.0V

1.7

mA

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Số phần tương tự - LM9811

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National Semiconductor ...	LM9801	520Kb / 34P	Greyscale/24-Bit Color Linear CCD Sensor Processor
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