ADN2805 datasheet(3/16 Pages) AD

部品番号	ADN2805

部品情報	1.25 Gbps Clock and Data Recovery IC

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Data Sheet

ADN2805

Rev. B | Page 3 of 16

SPECIFICATIONS

TA = TMIN to TMAX, VCC = VMIN to VMAX, VEE = 0 V, CF = 0.47 μF, SLICEP = SLICEN = VEE, input data pattern: PRBS 223 − 1,

unless otherwise noted.

Table 1.

Parameter

Conditions

Min

Typ

Max

Unit

QUANTIZER—DC CHARACTERISTICS

Input Voltage Range

@ PIN or NIN, dc-coupled

1.8

2.8

V

Peak-to-Peak Differential Input

PIN − NIN

0.2

2.0

V

Input Common-Mode Level

DC-coupled

2.3

2.5

2.8

V

QUANTIZER—AC CHARACTERISTICS

Data Rate

1250

Mbps

S11

@ 2.5 GHz

−15

dB

Input Resistance

Differential

100

Ω

Input Capacitance

0.65

pF

LOSS-OF-LOCK (LOL) DETECT

VCO Frequency Error for LOL Assert

With respect to nominal

1000

ppm

VCO Frequency Error for LOL Deassert

With respect to nominal

250

ppm

LOL Response Time

200

μs

ACQUISITION TIME

Lock-to-Data Mode

GbE

1.5

ms

Optional Lock to REFCLK Mode

20.0

ms

DATA RATE READBACK ACCURACY

Fine Readback

In addition to REFCLK accuracy

100

ppm

POWER SUPPLY

Power Supply Voltage

3.0

3.3

3.6

V

Power Supply Current

Locked to 1.25 Gbps

118

131

mA

OPERATING TEMPERATURE RANGE

−40

+85

°C

JITTER SPECIFICATIONS

TA = TMIN to TMAX, VCC = VMIN to VMAX, VEE = 0 V, CF = 0.47 μF, SLICEP = SLICEN = VEE, input data pattern: PRBS 223 − 1,

unless otherwise noted.

Table 2.

Parameter

Conditions

Min

Typ

Max

Unit

PHASE-LOCKED LOOP CHARACTERISTICS

Jitter Peaking

0

0.03

dB

Jitter Generation

0.001

0.003

UI rms

0.02

0.04

UI p-p

Jitter Tolerance

GbE, IEEE 802.3, 637 kHz

0.749

UI p-p

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