Data Sheet

AD9510

Rev. C | Page 13 of 56

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

CLK1 = 400 MHz

555

fs rms

Calculated from SNR of ADC method,

Any CMOS (OUT4 to OUT7) = 100 MHz (B Output On)

Divide Ratio = 4

All LVPECL = 50 MHz

Interferer(s)

All Other CMOS = 50 MHz (B Output On)

Interferer(s)

100 MHz Output

Delay FS = 1 ns (1600 μA, 1C) Fine Adjust 00000

0.61

ps

Delay FS = 1 ns (1600 μA, 1C) Fine Adjust 11000

0.73

ps

Delay FS = 2 ns (800 μA, 1C) Fine Adjust 00000

0.71

ps

Delay FS = 2 ns (800 μA, 1C) Fine Adjust 11000

1.2

ps

Delay FS = 3 ns (800 μA, 4C) Fine Adjust 00000

0.86

ps

Delay FS = 3 ns (800 μA, 4C) Fine Adjust 11000

1.8

ps

Delay FS = 5 ns (400 μA, 4C) Fine Adjust 00000

1.2

ps

Delay FS = 5 ns (400 μA, 4C) Fine Adjust 11000

2.1

ps

Delay FS = 6 ns (200 μA, 1C) Fine Adjust 00000

1.3

ps

Delay FS = 6 ns (200 μA, 1C) Fine Adjust 11000

2.7

ps

Delay FS = 9 ns (200 μA, 4C) Fine Adjust 00000

2.0

ps

Delay FS = 9 ns (200 μA, 4C) Fine Adjust 00111

2.8

ps

1

This value is incremental. That is, it is in addition to the jitter of the LVDS or CMOS output without the delay. To estimate the total jitter, add the LVDS or CMOS output

jitter to this value using the root sum of the squares (RSS) method.

PLL AND DISTRIBUTION PHASE NOISE AND SPURIOUS

Table 7.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

PHASE NOISE AND SPURIOUS

Depends on VCO/VCXO selection; measured at LVPECL

R = 25, N = 200

VCXO = Toyocom TCO-2112 245.76

245.76 MHz Output

Divide by 1

Phase Noise at 100 kHz Offset

<−145

dBc/Hz

Dominated by VCXO phase noise

Spurious

<−97

dBc

61.44 MHz Output

Divide by 4

Phase Noise at 100 kHz Offset

<−155

dBc/Hz

Dominated by VCXO phase noise

Spurious

<−97

dBc

SERIAL CONTROL PORT

Table 8.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

CSB, SCLK (INPUTS)

Inputs have 30 kΩ internal pull-down

resistors

Input Logic 1 Voltage

2.0

V

Input Logic 0 Voltage

0.8

V

Input Logic 1 Current

110

µA

Input Logic 0 Current

1

µA

Input Capacitance

2

pF