Rainbow-electronics ADC10738 Manual do Utilizador descarregar pdf (Página 6)

Electrical Characteristics (Continued)

The following specifications apply for V

a

e

AV

a

e

DV

a

ea

5.0 V

DC

,V

REF

a

e

2.5 V

DC

,V

REF

b

e

GND, V

IN

b

e

2.5V for

Signed Characteristics, V

IN

b

e

GND for Unsigned Characteristics and f

CLK

e

2.5 MHz unless otherwise specified. Boldface

limits apply for T

A

e

T

J

e

T

MIN

to T

MAX

; all other limits T

A

e

T

J

ea

25

§

C. (Notes 8, 9 and 10) (Continued)

Symbol Parameter Conditions

Typical Limits Units

(Note 11) (Note 12) (Limits)

REFERENCE CHARACTERISTICS

V

REF

Out Reference Output Voltage 2.5V

g

0.5% 2.5V

g

2% V(max)

DV

REF

/DTV

REF

Out Temperature Coefficient

g

40 ppm/

§

C

DV

REF

/DI

L

Load Regulation, Sourcing 0 mA

s

I

L

s

a

4mA

g

0.003

g

0.05 %/mA(max)

DV

REF

/DI

L

Load Regulation, Sinking 0 mA

s

I

L

s

b

1mA

g

0.2

g

0.6 %/mA(max)

Line Regulation 5V

g

10%

g

0.3

g

2.5 mV(max)

I

SC

Short Circuit Current V

REF

Out

e

0V 13 22 mA(max)

Noise Voltage 10 Hz to 10 kHz, C

L

e

100 mF5 mV

DV

REF

/Dt Long-term Stability

g

120 ppm/kHr

t

SU

Start-Up Time C

L

e

100 mF 100 ms

DIGITAL AND DC CHARACTERISTICS

V

IN(1)

Logical ‘‘1’’ Input Voltage V

a

e

5.5V 2.0 V(min)

V

IN(0)

Logical ‘‘0’’ Input Voltage V

a

e

4.5V 0.8 V(max)

I

IN(1)

Logical ‘‘1’’ Input Current V

IN

e

5.0V 0.005

a

2.5 mA(max)

I

IN(0)

Logical ‘‘0’’ Input Current V

IN

e

0V

b

0.005

b

2.5 mA(max)

V

OUT(1)

Logical ‘‘1’’ Output Voltage V

a

e

4.5V, I

OUT

eb

360 mA 2.4 V(min)

V

a

e

4.5V, I

OUT

eb

10 mA 4.5 V(min)

V

OUT(0)

Logical ‘‘0’’ Output Voltage V

a

e

4.5V, I

OUT

e

1.6 mA 0.4 V(min)

I

OUT

TRI-STATE Output Current V

OUT

e

0V

b

0.1

b

3.0 mA(max)

V

OUT

e

5V

a

0.1

a

3.0 mA(max)

a

I

SC

Output Short Circuit Source V

OUT

e

0V, V

a

e

4.5V

b

30

b

15 mA(min)

Current

b

I

SC

Output Short Circuit Sink Current V

OUT

e

V

a

e

4.5V 30 15 mA(min)

I

D

a

Digital Supply Current CS

e

HIGH, Power Up 0.9 1.3 mA(max)

(Note 17) CS

e

HIGH, Power Down 0.2 0.4 mA(max)

CS

e

HIGH, Power Down, 0.5 50 mA(max)

and CLK Off

I

A

a

Analog Supply Current CS

e

HIGH, Power Up 2.7 6.0 mA(max)

(Note 17) CS

e

HIGH, Power Down 3 15 mA(max)

I

REF

Reference Input Current V

REF

a

ea

2.5V and

0.6 mA(max)

CS

e

HIGH, Power Up

6

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