Rainbow-electronics MAX19505 Manual do Utilizador descarregar pdf (Página 3)

MAX19505

Dual-Channel, 8-Bit, 65Msps ADC

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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

DYNAMIC PERFORMANCE

Small-Signal Noise Floor SSNF f

= 70MHz, < -35dBFS -49.8 dBFS

= 3MHz 49.8

= 70MHz 49.0 49.8Signal-to-Noise Ratio SNR

= 175MHz 49.8

dBFS

= 3MHz 49.3

= 70MHz 48.5 49.3

Signal-to-Noise Plus Distortion

Ratio

SINAD

= 175MHz 49.3

= 3MHz 77.0

= 70MHz 65.0 77.0

Spurious-Free Dynamic Range

(2nd and 3rd Harmonic)

SFDR1

= 175MHz 77.0

dBc

= 3MHz 69.0

= 70MHz 64.4 69.0

Spurious-Free Dynamic Range

(4th and Higher Harmonics)

SFDR2

= 175MHz 69.0

dBc

= 3MHz -78.0

= 70MHz -78.0 -65.0

Second Harmonic HD2

= 175MHz -78.0

dBc

= 3MHz -82.0

= 70MHz -82.0 -65.0

Third Harmonic HD3

= 175MHz -80.0

dBc

= 3MHz -72.0

= 70MHz -72.0 -63.0Total Harmonic Distortion THD

= 175MHz -72.0

dBc

= 70MHz ± 1.5MHz, -7dBFS -80

Third-Order Intermodulation IM3

= 175MHz ± 2.5MHz, -7dBFS -75

dBc

Full-Power Bandwidth FPBW R

SOURCE

= 50Ω differential, -3dB rolloff 850 MHz

Aperture Delay t

850 ps

Aperture Jitter t

0.3 ps

RMS

Overdrive Recovery Time ±10% beyond full scale 1 Cycles

ELECTRICAL CHARACTERISTICS (continued)

AVDD

= V

OVDD

= 1.8V, internal reference, differential clock, V

CLK

= 1.5V

P-P

, f

CLK

= 65MHz, A

= -0.5dBFS, data output termination

= 50Ω, T

= -40°C to +85°C, unless otherwise noted. Typical values are at T

= +25°C.) (Note 1)

1 2 3 4 5 6 7 8 ... 33 34

MAX19505 1

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