Rainbow-electronics ADC10040 Manuale Utente Scaricare il pdf (Pagina 6)

DC and Logic Electrical Characteristics Unless otherwise specified, the following specifications

apply for V

SSA

SSIO

= 0V, V

DDA

= +3.0V, V

DDIO

= +2.5V, V

=2V

P-P

, STBY = 0V, V

REF

= 1.20V, (Externally Supplied)

CLK

= 40 MHz, 50% Duty Cycle, C

= 10 pF/pin. Boldface limits apply for T

MIN

to T

MAX

: all other limits T

= 25˚C

Symbol Parameter Conditions Min Typ Max Units

CLK, DF, STBY, SENSE

Logical “1” Input Voltage 2 V

Logical “0” Input Voltage 0.8 V

Logical “1” Input Current +10 µA

Logical “0” Input Current −10 µA

D0–D9 OUTPUT CHARACTERISTICS

Logical “1” Output Voltage I

OUT

= −0.5 mA V

DDIO

−0.2 V

Logical “0” Output Voltage I

OUT

= 1.6 mA 0.4 V

DYNAMIC CONVERTER CHARACTERISTICS

ENOB Effective Number of Bits

= 11 MHz 9.4, 9.3 9.6 Bits

= 19 MHz 9.4, 9.3 9.6 Bits

SNR Signal-to-Noise Ratio

= 11 MHz 58.7, 58.1 59.6 dB

= 19 MHz 58.6, 58 59.5 dB

SINAD Signal-to-Noise Ratio + Distortion

= 11 MHz 58.6, 58 59.5 dB

= 19 MHz 58.5, 57.8 59.4 dB

2nd HD 2nd Harmonic

= 11 MHz −75.9,

−74.7

−89 dBc

= 19 MHz −74.4,

−73

−86 dBc

3rd HD 3rd Harmonic

= 11 MHz −69.5,

−67.5

−78 dBc

= 19 MHz −68.8,

−66.7

−77 dBc

THD

Total Harmonic Distortion (First 6

Harmonics)

= 11 MHz −69.5,

−67.5

−78 dB

.IN

= 19 MHz −68.8,

−66.7

−77 dB

SFDR

Spurious Free Dynamic Range

(Excluding 2nd and 3rd Harmonic)

= 11 MHz −75.8,

−74.5

−80 dBc

= 19 MHz −75.7,

−74.3

−80 dBc

ADC10040

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Rainbow-electronics ADC10040 Manuale Utente Pagina 6

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