AD9547SLASHPCBZ datasheet(5/104 Pages) AD

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AD9547

Rev. 0 | Page 5 of 104

LOGIC INPUTS (M0 TO M7, RESET)

Table 4.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

INPUT VOLTAGE

Input High Voltage (VIH)

2.1

Input Low Voltage (VIL)

0.8

INPUT CURRENT (IINH, IINL)

±80

±200

μA

INPUT CAPACITANCE (CIN)

LOGIC OUTPUTS (M0 TO M7, IRQ)

Table 5.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

OUTPUT VOLTAGE

Output High Voltage (VOH)

2.7

IOH = 1 mA

Output Low Voltage (VOL)

0.4

IOL = 1 mA

IRQ LEAKAGE CURRENT

Open-drain mode

Active Low Output Mode

μA

VOH = 3.3 V

Active High Output Mode

μA

VOL = 0 V

SYSTEM CLOCK INPUTS (SYSCLKP, SYSCLKN)

Table 6.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

SYSTEM CLOCK PLL BYPASSED

Input Frequency Range

500

1000

MHz

Minimum Input Slew Rate

1000

V/μs

Minimum limit imposed for jitter performance

Duty Cycle

Common-Mode Voltage

1.2

Internally generated

Differential Input Voltage Sensitivity

100

mV p-p

Minimum voltage across pins is required to ensure

switching between logic states; the instantaneous

voltage on either pin must not exceed the supply rails; ac

ground the unused input to accommodate single-ended

operation

Input Capacitance

Single-ended, each pin

Input Resistance

2.5

kΩ

SYSTEM CLOCK PLL ENABLED

PLL Output Frequency Range

900

1000

MHz

Phase Frequency Detector (PFD) Rate

150

MHz

Frequency Multiplication Range

255

Assumes valid system clock and PFD rates

VCO Gain

MHz/V

High Frequency Path

Input Frequency Range

100.1

500

MHz

Minimum Input Slew Rate

200

V/μs

Minimum limit imposed for jitter performance

Frequency Divider Range

Binary steps (M = 1, 2, 4, 8)

Common-Mode Voltage

Internally generated

Differential Input Voltage Sensitivity

100

mV p-

This is the minimum voltage required across the pins to

ensure switching between logic states; the

instantaneous voltage on either pin must not exceed the

supply rails; ac ground the unused input to accommodate

single-ended operation

Input Capacitance

Single-ended, each pin

Input Resistance

2.5

kΩ

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