GS1671 datasheet(21/130 Pages) SEMTECH

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GS1671 HD/SD SDI Integrated Receiver

Data Sheet

53737 - 2

September 2012

21 of 130

Output Data Rise/Fall Time (3.3V)

tr/tf

All modes

6pF Cload

STAT

–

0.5

DBUS

––

0.4

AUDIO

–

0.6

All modes

15pF Cload

STAT

–

1.6

DBUS

––

1.4

AUDIO

–

2.2

Serial Digital Input

Serial Input Data Rate

DRSDI

–

0.27

–

1.485

Gb/s

–

Serial Input Voltage Swing

ΔVSDI

TA =25°C, differential,

270Mb/s & 1.485Gb/s

720

800

950

mVp-p

Achievable Cable Length

–

Belden 1694A cable, HD

210

230

–

Belden 1694A cable, SD

400

440

–

Input Return Loss

–

single ended

–

dB7

Input Resistance–

single ended

–1.52

–

kΩ

–

Input Capacitance–

single ended

–1

–

Serial Digital Output

Serial Output Data Rate

DRSDO

–

0.27

–

1.485

Gb/s

–

Serial Output Swing

ΔV

SDO

Differential with 100Ω

load

320

–

600

mVp-p

–

Serial Output Rise Time

20% ~ 80%

trSDO

–

––

180

–

Serial Output Fall Time

20% ~ 80%

tfSDO

––

–

180

–

Serial Output Jitter with

loop-through mode

tOJ

HD, PRBS23, Belden

1694A cable, 210m

––

100

–

SD, PRBS23, Belden

1694A cable, 440m

––

470

–

Serial Output Duty Cycle

Distortion

DCDSDD

–

SD–

–

Synchronous lock time

–

μs–

Asynchronous lock time

–

0.1

–

Lock time from power-up

–

After 20 minutes at

-20°C

––

–

Table 2-4: AC Electrical Characteristics (Continued)

Guaranteed over recommended operating conditions unless otherwise noted.

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Notes

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