ADN2818ACP-RL データシートの表示（PDF） - Analog Devices

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ADN2818ACP-RL

Continuous Rate 12.3Mb/s to 2.7Gb/s Clock and Data Recovery ICs

Analog Devices 

ADN2817/ADN2818

Preliminary Technical Data

BIT ERROR RATE MONITOR (BERMON) SPECIFICATIONS

TA = TMIN to TMAX, VCC = VMIN to VMAX, VEE = 0 V, CF = 0.47 uF, SLICEP = SLICEN = VEE, Input Data Pattern: PRBS 223 − 1,

unless otherwise noted.

Table 4.

Parameter

BERMON Primary Mode

BER Accuracy

Numbits

Measurement Time

Sample Phase Adjust Resolution

BER Range

Power Increase

BERMON Secondary Mode

BER Accuracy

BER Accuracy

Numbits

Measurement Time

Sample Phase Adjust Resolution

VBER

Power Increase

Conditions

Min

I2C Controlled Eye Profiling

Input BER Range 1e-3 to 1e-12, Input

DJ<0.4UI, DJ Ceiling>1e-2.

Asymmetry <0.1UI. Requires external

data processing algorithms to

implement Q factor extrapolation.

Number of data bits to collect

218

pseudo-errors. User programmable in

increment factors of 23 over the range

218 to 239.

BER On

BER Standby

Analog Voltage Output

Input BER Range 1e-3 to 1e-9, Input

DJ=0 UI, DJ Ceiling>1e-2. Asymmetry

=0 UI. BER is read as a voltage on pin

VBER, when Automode = 0.

Input BER Range 1e-3 to 1e-9, Input

DJ=0.2 UI, DJ Ceiling>1e-2.

Asymmetry =0 UI. BER is read as a

voltage on pin VBER, when Automode

= 0.

Number of data bits to collect

pseudo-errors.

2.5Gb/s

1Gb/s

155Mb/s

10Mb/s

see Figure xx

0.1

BER Automode

Typ

Max

+/-1

239

Numbits/Datarate

6

5e-2

177

88

+/-1

+1/-2

227

0.054

0.134

0.865

1.34

6

0.9

177

Unit

Decades

UI

s

degrees

BER

mW

mW

Decades

Decades

UI

s

s

s

s

degrees

V

mW

Rev. PrA | Page 6 of 35

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