EQCO30T5.2 Datasheet, PDF (12/22 Pages) Microchip Technology – EQCO30T5.2 3G/HD-SDI Video Cable Driver

EQCO30T5.2
TABLE 3-2: ELECTRICAL CHARACTERISTICS (OVER THE OPERATING VCC AND -40 TO +85°C
RANGE) (CONTINUED)
SDOp connection to Coax
Z_coax
R_SDOp, R_SDOn
Coax cable characteristic impedance
—
Input impedance between SDOp and VCC/GND.
45
To get to 75, add external 25Ω series resistor.
Return-Loss as seen on SDOp pin having 25Ω
—
R_loss
series resistor.
Frequency range = 5 MHz-1.5 GHz
Return-Loss as seen on SDOp pin having 25Ω
—
R_loss
series resistor.
Frequency range = 1.5 GHz-3.0 GHz
⌂V_TX
t_{rise_tx_SD}
t_{rise_tx}
Transmit amplitude with R_ref = 750Ω
720
Rise/Fall time 20% to 80% of ⌂V_TX (SD/HDB = High) 400
Rise/Fall time 20% to 80% of ⌂V_TX (SD/HDB = Low) —
75
—
Ω
50
55
Ω
—
-15
dB
—
-10
dB
800
880
mV
—
800
ps
—
65
ps
LFO Output (LVTTL-like)
t_{rise_lLFO}
Rise/Fall time 20% to 80% of V_CC for 20 pF load
—
15
—
ns
TABLE 3-3: JITTER NUMBERS⁽¹⁾
Parameter
Conditions
Min.
Typ.
Max. Units
Additive peak to peak jitter on SDOp and Downlink signal = 3.0 Gbps
SDOn
—
10
—
ps
Peak to peak jitter on LFO
0-450m⁽²⁾, @ low-speed signal =
5 Mbps, 8B/10B, and @ downlink —
50
—
ns
signal = 270 Mbps, 8B/10B
1: Jitter numbers (over operating VCC range at -40°C to +85°C and full ⌂V_TX range with pathological patterns)
2: Measured with Belden 1694A coaxial cable
DS60001303C-page 12
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