GS2961 datasheet(21/104 Pages) SEMTECH

21 / 104 page

GS2961 3Gb/s, HD, SD SDI Receiver, with Integrated

Adaptive Cable Equalizer

Data Sheet

48004 - 2

November 2009

21 of 104

Serial Digital Input

Serial Input Data Rate

DRSDI

–

0.27

–

2.97

Gb/s

–

Serial Input Voltage Swing

ΔV

SDI

TA =25°C, differential,

270Mb/s & 1.485Gb/s

720

800

950

mVp-p

TA =25°C, differential,

2.97Gb/s

720

800

880

mVp-p

Achievable Cable Length

–Belden 1694A cable, 3G

–

150

–

Belden 1694A cable, HD

–

230

–

Belden 1694A cable, SD

–

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

–

2.97

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

SMPTE colour bar 3G,

150m

–

100

–

SMPTE colour bar HD,

250m

–

100

–

SMPTE colour bar SD,

480m

–

470

–

Serial Output Duty Cycle

Distortion

DCDSDD

–10

–

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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