Rainbow-electronics ADC1241 Manual do Utilizador descarregar pdf (Página 3)

Digital and DC Electrical Characteristics

The following specifications apply for V

5.0V, V

REF

5.0V, and f

CLK

2.0 MHz

unless otherwise specified. Boldface limits apply for T

MIN

to T

MAX

; all other limits T

(Notes 6 and 7)

Symbol Parameter Condition

Typical Limit Units

(Note 9) (Notes 10, 18) (Limits)

IN(1)

Logical ‘‘1’’ Input Voltage for V

5.25V

2.0 V(min)

All Inputs except CLK IN

IN(0)

Logical ‘‘0’’ Input Voltage for V

4.75V

0.8 V(max)

All Inputs except CLK IN

IN(1)

Logical ‘‘1’’ Input Current V

5V 0.005 1 mA(max)

IN(0)

Logical ‘‘0’’ Input Current V

0.005

1 mA(max)

CLK IN Positive-Going

2.8 2.7 V(min)

Threshold Voltage

CLK IN Negative-Going

2.1 2.3 V(max)

Threshold Voltage

CLK IN Hysteresis

0.7 0.4 V(min)

[

(min)

(max)

]

OUT(1)

Logical ‘‘1’’ Output Voltage V

4.75V:

OUT

360 mA 2.4 V(min)

OUT

10 mA 4.5 V(min)

OUT(0)

Logical ‘‘0’’ Output Voltage V

4.75V

0.4

V(max)

OUT

1.6 mA

OUT

TRI-STATE

Output Leakage V

OUT

0.01

3 mA(max)

Current

OUT

5V 0.01 3 mA(max)

SOURCE

Output Source Current V

OUT

6.0 mA(min)

SINK

Output Sink Current V

OUT

5V 20 8.0 mA(min)

Supply Current f

CLK

2 MHz, CS

‘‘1’’ 1 2 mA(max)

Supply Current f

CLK

2 MHz, CS

‘‘1’’ 2.8 6 mA(max)

Supply Current f

CLK

2 MHz, CS

‘‘1’’ 2.8 6 mA(max)

1 2 3 4 5 6 7 8 ... 13 14

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