Rainbow-electronics MAX105 Uživatelský manuál stáhnout pdf (Strana 3)

MAX105

Dual, 6-Bit, 800Msps ADC with On-Chip,

Wideband Input Amplifier

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

(AV

= AV

I = AV

Q = AV

R = +5V, OV

I = OV

Q = +3.3V, AGND = AGNDI = AGNDQ = AGNDR = 0, OGNDI = OGNDQ

= 0, f

CLK

= 802.816MHz, C

= 1µF to AGND at REF, R

= 100Ω ±1% applied to digital LVDS outputs, T

= T

MIN

to T

MAX

, unless

otherwise noted. Typical values are at T

= +25°C)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

CLOCK INPUTS (CLK+, CLK-)

Clock Input Resistance R

CLK

CLK+ and CLK- to AGND 5 kΩ

Clock Input Resistance

Temperature Coefficient

TCR

CLK

150 ppm/°C

Minimum Clock Input

Amplitude

500 mV

LVDS OUTPUTS (P0I± TO P5I±, P0Q± TO P5Q±, A0I± TO A5I±, A0Q± TO A5Q±, DREADY+, DREADY-, DOR+, DOR-)

Differential Output Voltage V

 247 400 mV

C hang e i n M ag ni tud e of V



Betw een “0” and “1” S tates

∆V

 ±25 mV

Steady-State Common Mode

Output Voltage

(

)

1.125 1.375 V

Change in Magnitude of V

Between “0” and “1” States

∆V

 ±25 mV

Differential Output Resistance 80 160 Ω

Short output together 2.5

Output Current

Short to OGNDI = OGNDQ 25

DYNAMIC SPECIFICATION

Differential 5.4 5.8

= 200.018MHz at

-0.5dB FS (Note 9)

Single-ended 5.75

Effective Number of Bits

(Note 8)

ENOB

= 400.134MHz at

-0.5dB FS

Differential 5.65

Bits

Differential 35 37

= 200.018MHz at

-0.5dB FS (Note 9)

Single-ended 36.7

Signal-to-Noise Ratio

(Notes 10, 11)

SNR

= 400.134MHz at

-0.5dB FS

Differential 36.5

Differential -44.5 -41

= 200.018MHz at

-0.5dB FS (Note 9)

Single-ended -44.5

Total Harmonic Distortion

(Note 11)

THD

= 400.134MHz at

-0.5dB FS

Differential -41

dBc

Differential 41 45

= 200.018MHz at

-0.5dB FS (Note 9)

Single-ended 45

Spurious-Free Dynamic Range SFDR

= 400.134MHz at

-0.5dB FS

Differential 41.5

1 2 3 4 5 6 7 8 ... 20 21

Wideband Input Amplifier 1

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