AD9516-0(RevC) 查看數據表（PDF） - Analog Devices

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AD9516-0
(Rev.:RevC)

14-Output Clock Generator with Integrated 2.8 GHz VCO

Analog Devices 

AD9516-0

Data Sheet

CLOCK INPUTS

Table 3.

Parameter

Min

Typ

Max

Unit Test Conditions/Comments

CLOCK INPUTS (CLK, CLK)

Differential input

Input Frequency

01

2.4

GHz High frequency distribution (VCO divider)

01

1.6

GHz Distribution only (VCO divider bypassed)

Input Sensitivity, Differential

150

mV p-p Measured at 2.4 GHz; jitter performance is improved

with slew rates > 1 V/ns

Input Level, Differential

2

V p-p Larger voltage swings may turn on the protection

diodes and may degrade jitter performance

Input Common-Mode Voltage, VCM 1.3

1.57

1.8

V

Self-biased; enables ac coupling

Input Common-Mode Range, VCMR

1.3

1.8

V

With 200 mV p-p signal applied; dc-coupled

Input Sensitivity, Single-Ended

150

mV p-p CLK ac-coupled; CLK ac-bypassed to RF ground

Input Resistance

3.9

4.7

5.7

kΩ

Self-biased

Input Capacitance

2

pF

1 Below about 1 MHz, the input should be dc-coupled. Care should be taken to match VCM.

CLOCK OUTPUTS

Table 4.

Parameter

Min

Typ

Max

Unit

LVPECL CLOCK OUTPUTS

OUT0, OUT1, OUT2, OUT3, OUT4, OUT5

Output Frequency, Maximum

2950

MHz

Output High Voltage (VOH)

Output Low Voltage (VOL)

Output Differential Voltage (VOD)

VS − 1.12 VS − 0.98 VS − 0.84 V

VS − 2.03 VS − 1.77 VS − 1.49 V

550

790

980

mV

LVDS CLOCK OUTPUTS

OUT6, OUT7, OUT8, OUT9

Output Frequency

800

MHz

Differential Output Voltage (VOD)

247

360

454

mV

Delta VOD

Output Offset Voltage (VOS)

Delta VOS

1.125

1.24

Short-Circuit Current (ISA, ISB)

CMOS CLOCK OUTPUTS

OUT6A, OUT6B, OUT7A, OUT7B,

OUT8A, OUT8B, OUT9A, OUT9B

Output Frequency

Output Voltage High (VOH)

Output Voltage Low (VOL)

14

VS − 0.1

25

mV

1.375

V

25

mV

24

mA

250

MHz

V

0.1

V

Test Conditions/Comments

Termination = 50 Ω to VS − 2 V

Differential (OUT, OUT)

Using direct to output; see Figure 25 for peak-to –

peak differential amplitude

VOH − VOL for each leg of a differential pair for default

amplitude setting with driver not toggling; see

Figure 25 for variation over frequency

Differential termination 100 Ω at 3.5 mA

Differential (OUT, OUT)

The AD9516 outputs toggle at higher frequencies,

but the output amplitude may not meet the VOD

specification; see Figure 26

VOH − VOL measurement across a differential pair at

the default amplitude setting with output driver

not toggling; see Figure 26 for variation over

frequency

This is the absolute value of the difference between

VOD when the normal output is high vs. when the

complementary output is high

(VOH + VOL)/2 across a differential pair

This is the absolute value of the difference between

VOS when the normal output is high vs. when the

complementary output is high

Output shorted to GND

Single-ended; termination = 10 pF

See Figure 27

At 1 mA load

At 1 mA load

Rev. C | Page 6 of 80

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