Rainbow-electronics ADC12441 Manual do Utilizador descarregar pdf (Página 3)

Converter Electrical Characteristics

The following specifications apply for V

CC

e

DV

CC

e

AV

CC

ea

5.0V, V

b

eb

5.0V, V

REF

ea

5.0V, Analog Input Source

Impedance

e

600X, and f

CLK

e

2.0 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

e

25

§

C. (Notes 6, 7 and 8) (Continued)

Symbol Parameter Conditions

Typical Limit Units

(Note 9) (Notes 10, 19) (Limit)

DYNAMIC CHARACTERISTICS (Continued)

THD Bipolar Total Harmonic Distortion f

IN

e

1 kHz, V

IN

e

g

4.85V

b

82 dB

(Note 17)

f

IN

e

19.688 kHz, V

IN

e

g

4.85V

b

80

b

75 dB (max)

THD Unipolar Total Harmonic Distortion f

IN

e

1 kHz, V

IN

e

4.85 V

p-p

b

82 dB

(Note 17)

f

IN

e

19.688 kHz, V

IN

e

4.85 V

p-p

b

80

b

75 dB (max)

Bipolar Peak Harmonic or f

IN

e

1 kHz, V

IN

e

g

4.85V

b

88 dB

Spurious Noise (Note 17)

f

IN

e

10 kHz, V

IN

e

g

4.85V

b

84 dB

f

IN

e

20 kHz, V

IN

e

g

4.85V

b

80 dB

Unipolar Peak Harmonic or f

IN

e

1 kHz, V

IN

e

4.85 V

p-p

b

90 dB

Spurious Noise (Note 17)

f

IN

e

10 kHz, V

IN

e

4.85 V

p-p

b

86 dB

f

IN

e

20 kHz, V

IN

e

4.85 V

p-p

b

82 dB

Bipolar Two Tone Intermodulation V

IN

e

g

4.85V, f

IN1

e

19.375 kHz,

b

78

b

74 dB (max)

Distortion (Note 17) f

IN2

e

20.625 kHz

Unipolar Two Tone Intermodulation V

IN

e

4.85 V

p-p

,f

IN1

e

19.375 kHz,

b

78

b

73 dB (max)

Distortion (Note 17) f

IN2

e

20.625 kHz

b

3 dB Bipolar Full Power Bandwidth V

IN

e

g

4.85V (Note 17) 25 20 kHz (Min)

b

3 dB Unipolar Full Power Bandwidth V

IN

e

4.85 V

p-p

(Note 17) 30 20 kHz (Min)

Aperture Time 100 ns

Aperture Jitter 100 ps

rms

Digital and DC Electrical Characteristics

The following specifications apply for DV

CC

e

AV

CC

ea

5.0V, V

b

eb

5.0V, V

REF

ea

5.0V, and f

CLK

e

2.0 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

e

25

§

C.

(Notes 6 and 7)

Symbol Parameter Conditions

Typical Limit Units

(Note 9) (Notes 10, 19) (Limits)

V

IN(1)

Logical ‘‘1’’ Input Voltage for V

CC

e

5.25V

2.0 V (min)

All Inputs except CLK IN

V

IN(0)

Logical ‘‘0’’ Input Voltage for V

CC

e

4.75V

0.8 V (max)

All Inputs except CLK IN

I

IN(1)

Logical ‘‘1’’ Input Current V

IN

e

5V 0.005 1 mA (max)

I

IN(0)

Logical ‘‘0’’ Input Current V

IN

e

0V

b

0.005

b

1 mA (max)

V

T

a

CLK IN Positive-Going

2.8 2.7 V (min)

Threshold Voltage

V

T

b

CLK IN Negative-Going

2.1 2.3 V (max)

Threshold Voltage

V

H

CLK IN Hysteresis

0.7 0.4 V (min)

[

V

T

a

(min)

b

V

T

b

(max)

]

V

OUT(1)

Logical ‘‘1’’ Output Voltage V

CC

e

4.75V:

I

OUT

eb

360 mA 2.4 V (min)

I

OUT

eb

10 mA 4.5 V (min)

V

OUT(0)

Logical ‘‘0’’ Output Voltage V

CC

e

4.75V, I

OUT

e

1.6 mA 0.4 V (max)

3

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

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