Rainbow-electronics ADC10321 Manual do Utilizador descarregar pdf (Página 5)

Absolute Maximum Ratings (Notes 1,

2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Positive Supply Voltage (V = V

A

=V

D

) 6.5V

Voltage on Any I/O Pin −0.3V to (V

A

or V

D

) +0.3V)

Input Current at Any Pin (Note 3)

±

25mA

Package Input Current (Note 3)

±

50mA

Package Dissipation at T

A

=

25˚C

See (Note 4)

ESD Susceptibility (Note 5)

Human Body Model 1500V

Machine Model 200V

Soldering Temp., Infrared, 10 sec. (Note 6) 235˚C

Storage Temperature −65˚C to +150˚C

Operating Ratings(Notes 1, 2)

Operating Temperature −40˚C ≤ T

A

≤ +85˚C

V

A,

V

D

Supply Voltage +4.5V to +5.5V

V

D

I/O Supply Voltage +2.7V to 5.5V

V

IN

Voltage Range 1.3V to (V

A

-1.0V)

V

REF

+ Voltage Range 2.3V to (V

A

-1.0V)

V

REF

− Voltage Range 1.3V to 3.0V

PD, CLK, OE Voltage

−0.3V to + 5.5V

Converter Electrical Characteristics

The following specifications apply for V

A

= +5.0V

DC

,V

D

= 5.0V

DC

,V

D

I/O = 5.0V

DC

,V

REF

+ = +3.5V

DC

,V

REF

− = +1.5V

DC

,

C

L

= 20pF, f

CLK

= 20MHz, R

S

=25Ω. Boldface limits apply for T

A

=T

MIN

to T

MAX

: all other limits T

A

= 25˚C(Note 7)

Symbol Parameter Conditions

Typical

(Note 8)

Limits

(Note 9)

Units

Static Converter Characteristics

INL Integral Non-Linearity

±

0.45

±

1.0 LSB(max)

DNL Differential-Non Linearity

±

0.35

±

0.85 LSB(max)

Resolution with No Missing

Codes

10 Bits

Zero Scale Offset Error −6 mV(max)

Full-Scale Error −6 mV(max)

Dynamic Converter Characteristics

ENOB Effective Number of Bits

f

IN

= 1.0MHz

f

IN

= 4.43MHz

f

IN

= 10MHz

9.5

9.5

9.2

9.0

Bits

Bits(min)

Bits

S/(N+D)

Signal-to-Noise Plus

Distortion Ratio

f

IN

= 1.0MHz

f

IN

= 4.43MHz

f

IN

= 10MHz

59

59

57

56

dB

dB(min)

dB

SNR Signal-to-Noise Ratio

f

IN

= 1.0MHz

f

IN

= 4.43MHz

f

IN

= 10MHz

60

60

58

58

dB

dB(min)

dB

THD Total Harmonic Distortion

f

IN

= 1.0MHz

f

IN

= 4.43MHz

f

IN

= 10MHz

−71

−70

−66

−59

dB

dB(min)

dB

SFDR

Spurious Free Dynamic

Range

f

IN

= 1.0MHz

f

IN

= 4.43MHz

f

IN

= 10MHz

74

72

68

60

dB

dB

dB

DG Differential Gain Error f

IN

= 4.43MHz, f

CLK

= 17.72MHz 0.5 %(max)

DP Differential Phase Error f

IN

= 4.43MHz, f

CLK

= 17.72MHz 0.5 deg(max)

Overrange Output Code V

IN

>

V

REF

+ 1023

Underrange Output Code V

IN

<

V

REF

− 0

BW Full Power Bandwidth 150 MHz

PSRR

Power Supply Rejection

Ratio

Change in Full Scale with 4.5V to 5.5V

Supply Change

56 dB

Reference and Analog Input Characteristics

V

IN

Analog Input Range

1.3

4.0

V(min)

V(max)

ADC10321

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