XRT83L34 Datasheet, PDF (71/82 Pages) Exar Corporation – QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. P1.3.4
PRELIMINARY
TABLE 40: XRT83L34 POWER CONSUMPTION
VDD=3.3V±5%, T_A=25°C, UNLESS OTHERWISE SPECIFIED
MODE
SUPPLY
IMPEDANCE
VOLTAGE
TERMINATION
RESISTOR
TRANSFORMER RATIO
RECEIVER TRANSMITTER
TYP.
T1
3.3V
100Ω
3Ω
1:1
1:2
820
1050
MAX.
UNIT
TEST
CONDITIONS
mW 50% “1’s”
mW 100% “1’s”
---
3.3V
---
---
---
---
230
mW All transmitters off
TABLE 41: E1 RECEIVER ELECTRICAL CHARACTERISTICS
PARAMETER
VDD=3.3V±5%, T_A= -40° TO 85°C, UNLESS OTHERWISE SPECIFIED
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
Receiver loss of signal:
Cable attenuation @1024kHz
Number of consecutive zeros before
RLOS is set
32
Input signal level at RLOS
15
20
dB ITU-G.775, ETSI 300 233
RLOS De-asserted
Receiver Sensitivity
(Short Haul with cable loss)
Receiver Sensitivity
(Long Haul with cable loss)
Input Impedance
Input Jitter Tolerance:
1 Hz
10kHz-100kHz
Recovered Clock Jitter
Transfer Corner Frequency
Peaking Amplitude
Jitter Attenuator Corner Fre-
quency (-3dB curve) (JABW=0)
(JABW=1)
Return Loss:
51kHz - 102kHz
102kHz - 2048kHz
2048kHz - 3072kHz
12.5
11
0
13
% ones
dB With nominal pulse amplitude of 3.0V
for 120Ω and 2.37V for 75Ω applica-
tion. With -18dB interference signal
added.
43
dB With nominal pulse amplitude of 3.0V
for 120Ω and 2.37V for 75Ω applica-
tion. With -18dB interference signal
added.
kΩ
37
UIpp ITU G.823
0.2
UIpp
-
36
kHz ITU G.736
-0.5
dB
-
10
-
Hz ITU G.736
1.5
Hz
14
-
20
16
-
dB ITU-G.703
dB
dB
68