ADC12451 datasheet(4/18 Pages) NSC

4 / 18 page

Digital and DC Electrical Characteristics

The following specifications apply for DVCC e AVCC ea50V Vb eb50V VREF ea50V and fCLK e 35 MHz unless

otherwise specified Boldface limits apply for TA e TJ e TMIN to TMAX all other limits TA e TJ e 25 C (Notes 6 and 7)

Symbol

Parameter

Condition

Typical

Limit

Units

(Note 9)

(Note 10 19)

(Limit)

VIN(1)

Logical ‘‘1’’ Input Voltage for

VCC e 525V

V(min)

All Inputs except CLK IN

VIN(0)

Logical ‘‘0’’ Input Voltage for

VCC e 475V

V(max)

All Inputs except CLK IN

IIN(1)

Logical ‘‘1’’ Input Current

VIN e 5V

0005

A(max)

IIN(0)

Logical ‘‘0’’ Input Current

VIN e 0V

0005

A(max)

VTa

CLK IN Positive-Going

V(min)

Threshold Voltage

VTb

CLK IN Negative-Going

V(max)

Threshold Voltage

CLK IN Hysteresis

V(min)

VTa(min) b VTb(max)

VOUT(1)

Logical ‘‘1’’ Output Voltage

VCC e 475V

IOUT eb360 mA

V(min)

IOUT eb10 mA

V(min)

VOUT(0)

Logical ‘‘0’’ Output Voltage

VCC e 475V

V(max)

IOUT e 16 mA

IOUT

TRI-STATE Output Leakage

VOUT e 0V

001

A(max)

Current

VOUT e 5V

001

A(max)

ISOURCE

Output Source Current

VOUT e 0V

mA(min)

ISINK

Output Sink Current

VOUT e 5V

mA(min)

DICC

DVCC Supply Current

CS e ‘‘1’’

mA(max)

AICC

AVCC Supply Current

CS e ‘‘1’’

mA(max)

Vb Supply Current

CS e ‘‘1’’

mA(max)

AC Electrical Characteristics

The following specifications apply for DVCC e AVCC ea50V Vb eb50V tr e tf e 20 ns unless otherwise specified

Boldface limits apply for TA e TJ e TMIN to TMAX all other limits TA e TJ e 25 C (Notes 6 and 7)

Symbol

Parameter

Conditions

Typical

Limit

Units

(Note 9)

(Note 10 19)

(Limit)

fCLK

Clock Frequency

MHz

MHz(min)

MHz(max)

Clock Duty Cycle

%(min)

%(max)

Conversion Time using WR

27(1fCLK)

27(1fCLK) a 250 ns

(max)

to start a Conversion

fCLK e 35 MHz AZ e ‘‘1’’

795

s(max)

fCLK e 175 MHz AZ e ‘‘0’’

154

1565

s(max)

Conversion Time using S H

AZ e ‘‘1’’

34(1fCLK)

34(1fCLK) a250 ns

(max)

to start a Conversion

fCLK e 35 MHz AZ e ‘‘1’’

995

s(max)

ADC12451 Datasheet(PDF) 4 Page - National Semiconductor (TI)

ADC12451 Datasheet(HTML) 4 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Datasheet Download

Link URL