AD9508(RevA) 데이터 시트보기 (PDF) - Analog Devices

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AD9508
(Rev.:RevA)

1.65 GHz Clock Fanout Buffer with Output Dividers and Delay Adjust

Analog Devices 

AD9508

Data Sheet

CLOCK INPUTS AND OUTPUT DC SPECIFICATIONS

Table 2.

Parameter

CLOCK INPUTS

Differential Mode

Input Frequency

Input Sensitivity

Input Common-Mode Voltage

Input Voltage Offset

DC-Coupled Input Common-

Mode Range

Pulse Width

Low

High

Input Resistance (Differential)

Input Capacitance

Input Bias Current (Each Pin)

CMOS CLOCK MODE (SINGLE-ENDED)

Input Frequency

Input Voltage

High

Low

Input Current

High

Low

Input Capacitance

LVDS CLOCK OUTPUTS

Output Frequency

Output Voltage Differential

Delta VOD

Offset Voltage

Delta VOS

Short-Circuit Current

LVDS Duty Cycle

HSTL CLOCK OUTPUTS

Output Frequency

Differential Output Voltage

Common-Mode Output Voltage

HSTL Duty Cycle

Symbol Min

Typ Max

Unit Test Conditions/Comments

0

360

VICM

0.95

VCMR

0.58

1650

2200

1.05 1.15

30

1.67

MHz

mV p-p

V

mV

V

Differential input

As measured with a differential probe; jitter

performance improves with higher slew

rates (greater voltage swing)

Input pins are internally self biased, which

enables ac coupling

This is the allowable common-mode voltage

range when dc-coupled

303

303

5.0

CIN

100

7

9

2

400

ps

ps

kΩ

pF

µA

Full input swing

250

MHz

VIH

VDD/2 − 0.15

VIL

V

VDD/2 + 0.15 V

IINH

IINL

CIN

VOD

247

ΔVOD

VOS

ΔVOS

1.125

ISA, ISB

45

39

VO

859

VOCM

905

45

40

1

−142

2

1650

375 454

50

1.18 1.375

50

13.6 24

55

61

50.1

1650

925 978

940 971

55

60

50.9

µA

µA

pF

Termination = 100 Ω differential (OUTx, OUTx)

MHz

mV

VOH − VOL measurement across a differential

pair at the default amplitude setting with

output driver not toggling; see Figure 6 for

variation over frequency

mV

This is the absolute value of the difference

between VOD when the normal output is high

vs. when the complementary output is high

V

(VOH + VOL)/2 across a differential pair

mV

This is the absolute value of the difference

between VOS when the normal output is high

vs. when the complementary output is high

mA

Each pin (output shorted to GND)

%

Up to 750 MHz input

%

750 MHz to1500 MHz input

%

1650 MHz input

100 Ω across differential pair; default

amplitude setting

MHz

mV

VOH − VOL with output driver static

mV

(VOH + VOL)/2 with output driver static

%

Up to 750 MHz input

%

750 MHz to 1500 MHz input

%

1650 MHz input

Rev. A | Page 4 of 40

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