Rainbow-electronics ADC081000 Manual do Utilizador descarregar pdf (Página 7)

Converter Electrical Characteristics (Continued)

The following specifications apply after calibration for V

= +1.9V

, OutV = 1.9V, V

FSR (a.c. coupled) = differential

800mV

P-P

= 10 pF, Differential, a.c. coupled Sinewave Clock, f

CLK

= 1 GHz at 0.5V

P-P

with 50% duty cycle, R

EXT

= 3300Ω

0.1%, Analog Signal Source Impedance = 100Ω. Boldface limits apply for T

MIN

to T

MAX

. All other limits T

= 25˚C,

unless otherwise stated. (Notes 6, 7)

Symbol Parameter Conditions

Typical

(Note 8)

Limits

(Note 8)

Units

(Limits)

STATIC CONVERTER CHARACTERISTICS

THD Total Harmonic Distortion

= 100 MHz, V

= FSR − 0.5 dB -57 dB

= 248 MHz, V

= FSR − 0.5 dB -57 −50 dB (max)

= 498 MHz, V

= FSR − 0.5 dB -57 −50 dB (max)

2nd Harm Second Harmonic Distortion

= 100 MHz, V

= FSR − 0.5 dB −64 dB

= 248 MHz, V

= FSR − 0.5 dB −64 dB

= 498 MHz, V

= FSR − 0.5 dB −64 dB

3rd Harm Third Harmonic Distortion

= 100 MHz, V

= FSR − 0.5 dB −64 dB

= 248 MHz, V

= FSR − 0.5 dB −64 dB

= 498 MHz, V

= FSR − 0.5 dB −64 dB

SFDR Spurious-Free dynamic Range

= 100 MHz, V

= FSR − 0.5 dB 58.5 dB

= 248 MHz, V

= FSR − 0.5 dB 58.5 50 dB (min)

= 498 MHz, V

= FSR − 0.5 dB 58.5 50 dB (min)

IMD Intermodulation Distortion

IN1

= 121 MHz, V

=FSR−7dB

IN2

= 126 MHz, V

=FSR−7dB

-51 dB

Out of Range Output Code

(In addition to OR Output high)

+)−(V

−)

+ Full Scale 255

+)−(V

−)

− Full Scale 0

ANALOG INPUT AND REFERENCE CHARACTERISTICS

Full Scale Analog Differential Input

Range

FSR pin Low 600

550 mV

P-P

(min)

650 mV

P-P

(max)

FSR pin High 800

750 mV

P-P

(min)

850 mV

P-P

(max)

CMI

Common Mode Analog Input

Voltage

CMO

−50

CMO

+50

mV (min)

mV (max)

Analog Input Capacitance

(Note 10)

Differential 0.02 pF

Each input to ground 1.6 pF

Differential Input Resistance 100

94 Ω (min)

106 Ω (max)

ANALOG OUTPUT CHARACTERISTICS

CMO

Common Mode Output Voltage I

CMO

1 µA 1.21

0.95

1.45

V (min)

V (max)

TC V

CMO

Common Mode Output Voltage

Temperature Coefficient

= −40˚C to +85˚C 118 ppm/˚C

Bandgap Reference Output

Voltage

100 µA 1.26

1.22

1.33

V (min)

V (max)

TC V

Bandgap Reference Voltage

Temperature Coefficient

= −40˚C to +85˚C,

100 µA

-28 ppm/˚C

CLOCK INPUT CHARACTERISTICS

Differential Clock Input Level

Square Wave Clock 0.6

0.4

2.0

P-P

(min)

P-P

(max)

Sine Wave Clock 0.6

0.4

2.0

P-P

(min)

P-P

(max)

Input Current V

=0VorV

1µA

Input Capacitance (Note 10)

Differential 0.02 pF

Each Input to Ground 1.5 pF

ADC081000

www.national.com7

1 2 3 4 5 6 7 8 9 10 11 12 ... 28 29

Comentários a estes Manuais

Sem comentários

Rainbow-electronics ADC081000 Manual do Utilizador Página 7

Comentários a estes Manuais

Manuais e produtos relacionados com Sensores Rainbow-electronics ADC081000