Rainbow-electronics ADC12D040 Manual do Utilizador descarregar pdf (Página 6)

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

+ 0.3V

–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 2.4V

CLK, PD, OE

−0.5V to (V

+ 0.5V)

Analog Input Pins −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, INT/EXT = V

REF

= +2.0V, OEA, OEB = 0V, f

CLK

= 40 MHz, t

= 3 ns, C

= 20 pF/pin. Boldface limits apply for

MIN

to T

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

2.0 LSB (max)

DNL Differential Non Linearity

0.4

1.0 LSB (max)

GE Gain Error

Positive Error 0.51 +2.8/−1.9 %FS

Negative Error 0.68 +4/−2.7 %FS

TC GE Gain Error Tempco

External Reference 15 ppm/

Internal Reference 100 ppm/

OFF

Offset Error (V

+=V

−) −0.1

1.2 %FS (max)

OFF

Offset Error Tempco

External Reference 3 ppm/

Internal Reference 3 ppm/

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 69 dB

= 10 MHz, V

= −0.5 dBFS 68 66.5 dB (min)

SINAD Signal-to-Noise and Distortion

= 1 MHz, V

= −0.5 dBFS 69 dB

= 10 MHz, V

= −0.5 dBFS 68 65.6 dB (min)

ENOB Effective Number of Bits

= 1 MHz, V

= −0.5 dBFS 11.1 Bits

= 10 MHz, V

= −0.5 dBFS 10.9 10.6 Bits (min)

THD Total Harmonic Distortion

= 1 MHz, V

= −0.5 dBFS −80 dB

= 10 MHz, V

= −0.5 dBFS −78 −69 dB (max)

H2 Second Harmonic

= 1 MHz, V

= −0.5 dBFS −84 dB

= 10 MHz, V

= −0.5 dBFS −80 −73 dB (max)

ADC12D040

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