Rainbow-electronics ADC12191 Manual do Utilizador descarregar pdf (Página 5)

Absolute Maximum Ratings (Notes 1,

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage 6.5V

Voltage on Any Output −0.3V to V

+0.3V

Input Current at Any Pin (Note 3)

25mA

Package Input Current (Note 3)

50mA

Package Dissipation See (Note 4)

ESD Susceptibility

Human Body Model 1500V

Machine Model 150V

Soldering Temp., Infrared, 10 sec.

(Note 6)

300˚C

Storage Temp. −65˚C to +150˚C

Maximum Junction Temp. 150˚C

Operating Ratings

Operating Temp. Range −40˚C ≤ T

≤ +85˚C

Supply Voltage +4.75V to +5.25V

I/O +2.7V to V

REF

Input 1.8V to 2.2V

CLOCK, CAL, PD, OE −0.05V to V

+ 0.05V

|AGND −DGND| ≤100mV

Converter Electrical Characteristics

The following specifications apply for AGND = DGND = DGND I/O = 0V, V

I/O = +5V, PD = +5V, V

REF

= +2.0V,

CLK

= 10MHz, C

= 50 pF/pin. After Auto-Cal at Temperature. Boldface limits apply for T

to T

MIN

to T

MAX

: all other

limits T

= 25˚C (Notes 7, 8) and (Note 9)

Symbol Parameter Conditions

Typical

(Note

10)

Limits

(Note

11)

Units

(Limits)

Static Converter Characteristics

Resolution with No Missing Codes 12 Bits(min)

INL Integral Non Linearity

0.7

2.3 LSB( max)

DNL Differential Non Linearity

0.4

0.95 LSB( max)

Full-Scale Error

0.05

0.3 %FS(max)

Zero Error

0.15

0.3 %FS(max)

Dynamic Converter Characteristics

BW Full Power Bandwidth 100 MHz

SNR Signal-to-Noise Ratio f

= 5 MHz, V

= 2.0V

P-P

63 dB

SINAD Signal-to-Noise & Distortion f

= 5 MHz, V

= 2.0V

P-P

62 dB

ENOB Effective Number of Bits f

= 5 MHz, V

= 2.0V

P-P

10 Bits

THD Total Hamonic Distortion f

= 5 MHz, V

= 2.0V

P-P

72 dB

SFDR Spurious Free Dynamic Range f

= 5 MHz, V

= 2.0V

P-P

71 dB

Reference and Analog Input Characteristics

Input Voltage Range V

REF

= 2.0V

REF

V(min)

V(max)

Input Capacitance

= 1.0Vdc +

0.7Vrms

(CLK LOW) 10 pF

(CLK HIGH) 15 pF

REF

Reference Voltage (Note 14) 2.00

1.8 V(min)

2.2 V(max)

Reference Input Leakage Current 10 µA

Reference Input Resistance 1 MΩ(min)

ADC12191

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