Rainbow-electronics ADC12040 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.

6.5V

–V

| ≤ 100 mV

Voltage on Any Input or Output Pin −0.3V to (V

or V

+0.3V)

Input Current at Any Pin (Note 3)

25 mA

Package Input Current (Note 3)

50 mA

Package Dissipation at T

= 25˚C See (Note 4)

ESD Susceptibility

Human Body Model (Note 5) 2500V

Machine Model (Note 5) 250V

Soldering Temperature,

Infrared, 10 sec. (Note 6) 235˚C

Storage Temperature −65˚C to +150˚C

Operating Ratings (Notes 1, 2)

Operating Temperature −40˚C ≤ T

≤ +85˚C

Supply Voltage (V

) +4.75V to +5.25V

Output Driver Supply (V

) +2.35V to V

REF

Input 1.0V to 2.2V

CLK, PD, OE

−0.05V to (V

+ 0.05V)

Input −0V to (V

− 0.5V)

|AGND–DGND| ≤100mV

Converter Electrical Characteristics

Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, V

= +5V, V

+3.0V, PD = 0V, V

REF

= +2.0V, f

CLK

= 40 MHz, t

= 3 ns, C

= 20 pF/pin. Boldface limits apply for T

MIN

MAX

: all other limits T

= 25˚C (Notes 7, 8, 9)

Symbol Parameter Conditions

Typical

(Note 10)

Limits

(Note 10)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

Resolution with No Missing Codes 12 Bits (min)

INL Integral Non Linearity (Note 11)

0.7

1.8 LSB (max)

DNL Differential Non Linearity

0.4

1.0 LSB (max)

GE Gain Error

0.1

2.1 %FS (max)

Offset Error (V

+=V

−) −0.1

0.9 %FS (max)

Under Range Output Code 0 0

Over Range Output Code 4095 4095

DYNAMIC CONVERTER CHARACTERISTICS

FPBW Full Power Bandwidth 0 dBFS Input, Output at −3 dB 100 MHz

SNR Signal-to-Noise Ratio

1 MHz, V

−0.5 dBFS 70 dB

= 10 MHz, V

= −0.5 dBFS 69.5 66.5 dB (min)

SINAD Signal-to-Noise and Distortion

= 1 MHz, V

= −0.5 dBFS 69.5 dB

= 10 MHz, V

= −0.5 dBFS 69 66 dB (min)

ENOB Effective Number of Bits

= 1 MHz, V

= −0,5 dBFS 11.2 Bits

= 10 MHz, V

= −0,5 dBFS 11.2 10.7 Bits (min)

THD Total Harmonic Distortion

= 1 MHz, V

= −0,5 dBFS −82 dB

= 10 MHz, V

= −0,5 dBFS −80 −67 dB (max)

SFDR Spurious Free Dynamic Range

= 1 MHz, V

= −0,5 dBFS 86 dB

= 10 MHz, V

= −0.5 dBFS 84 -68 dB (min)

IMD Intermodulation Distortion

= 9.5 MHz and 10.5 MHz,

each = −8 dBFS

−75 dBFS

ADC12040

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