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Dc and logic electrical characteristics – Rainbow Electronics ADC10040 User Manual

Page 6

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DC and Logic Electrical Characteristics

Unless otherwise specified, the following specifications

apply for V

SSA

= V

SSIO

= 0V, V

DDA

= +3.0V, V

DDIO

= +2.5V, V

IN

= 2 V

P-P

, STBY = 0V, V

REF

= 1.20V, (Externally Supplied)

f

CLK

= 40 MHz, 50% Duty Cycle, C

L

= 10 pF/pin. Boldface limits apply for T

A

= T

MIN

to T

MAX

: all other limits T

A

= 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

f

IN

= 11 MHz

9.4, 9.3

9.6

Bits

f

IN

= 19 MHz

9.4, 9.3

9.6

Bits

SNR

Signal-to-Noise Ratio

f

IN

= 11 MHz

58.7, 58.1

59.6

dB

f

IN

= 19 MHz

58.6, 58

59.5

dB

SINAD

Signal-to-Noise Ratio + Distortion

f

IN

= 11 MHz

58.6, 58

59.5

dB

f

IN

= 19 MHz

58.5, 57.8

59.4

dB

2nd HD

2nd Harmonic

f

IN

= 11 MHz

−75.9,

−74.7

−89

dBc

f

IN

= 19 MHz

−74.4,

−73

−86

dBc

3rd HD

3rd Harmonic

f

IN

= 11 MHz

−69.5,

−67.5

−78

dBc

f

IN

= 19 MHz

−68.8,

−66.7

−77

dBc

THD

Total Harmonic Distortion (First 6

Harmonics)

f

IN

= 11 MHz

−69.5,

−67.5

−78

dB

f

.IN

= 19 MHz

−68.8,

−66.7

−77

dB

SFDR

Spurious Free Dynamic Range

(Excluding 2nd and 3rd Harmonic)

f

IN

= 11 MHz

−75.8,

−74.5

−80

dBc

f

IN

= 19 MHz

−75.7,

−74.3

−80

dBc

ADC10040

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