DS3172N Maxim Integrated, DS3172N Datasheet - Page 232

• Manufacturer Part Number: DS3172N
• Description: Network Controller & Processor ICs Dual DS3/E3 Single Chip Transceiver
• Manufacturer: Maxim Integrated

Specifications of DS3172N

• Part # Aliases: 90-31720-N00

Table 18-10. Receiver Input Characteristics—E3 Mode
Note 1: An interfering signal (2
Note 2: Not tested during production test.
Note 3: Measured on the line side (i.e., the BNC connector side) of the 1:2 receive transformer
Note 4: With respect to nominal 800mVpk signal for DS3 and nominal 1000mVpk signal for E3.
Table 18-11. Transmitter Output Characteristics—DS3 Modes
(V
Table 18-12. Transmitter Output Characteristics—E3 Mode
(V
Note 5: Measured on the line side (i.e., the BNC connector side) of the 2:1 transmit transformer
Note 6: Measured with jitter-free clock applied to TCLK and a bandpass jitter filter with 10Hz and 800kHz cutoff frequencies. Not tested during
(V
Receive Sensitivity (Length of Cable)
Signal-to-Noise Ratio, Interfering Signal Test (Notes 2, 3)
Input Pulse Amplitude, RMON = 0 (Notes 2, 3)
Input Pulse Amplitude, RMON = 1 (Notes 2, 3)
Analog LOS Declare, RMON = 0 (Note 4)
Analog LOS Clear, RMON = 0 (Note 4)
Analog LOS Declare, RMON = 1 (Note 4)
Analog LOS Clear, RMON = 1 (Note 4)
Intrinsic Jitter Generation (Note 2)
DS3 Output Pulse Amplitude, TLBO = 0 (Note 5)
DS3 Output Pulse Amplitude, TLBO = 1 (Note 5)
Ratio of Positive and Negative Pulse-Peak Amplitudes
DS3 Unframed All-Ones Power Level at 22.368MHz, 3kHz
Bandwidth
DS3 Unframed All-Ones Power Level at 44.736MHz vs.
Power Level at 22.368MHz, 3kHz Bandwidth
Intrinsic Jitter Generation (Note 6)
Output Pulse Amplitude (Note 5)
Pulse Width
Ratio of Positive and Negative Pulse Amplitudes (at Centers
of Pulses)
Ratio of Positive and Negative Pulse Widths (at Nominal Half
Amplitude)
Intrinsic Jitter Generation (Note 6)
DD
DD
DD
= 3.3V ±5%, T
= 3.3V ±5%, T
= 3.3V ±5%, T
added to the wanted signal. The combined signal is passed through 0 to 900ft of coaxial cable and presented to the LIU. This spec
indicates the lowest signal-to-noise ratio that results in a bit error ratio <10
data traffic is unframed 2
production test.
A
A
A
= -40°C to +85°C.)
= -40°C to +85°C.)
= -40°C to +85°C.)
PARAMETER
15
PARAMETER
PARAMETER
– 1 PRBS for DS3, 2
15
– 1 PRBS for DS3 and unframed 2
23
– 1 PRBS for E3, B3ZS/HDB3 encoded, compliant waveshape, nominal bit rate) is
232
23
– 1 PRBS for E3.
-9
.
0.95
0.95
MIN
MIN
-1.8
700
520
900
0.9
MIN
900
-16
-29
(Figure
(Figure
14.55
1000
TYP
0.02
TYP
0.02
800
700
1200
TYP
0.03
-24
-17
12
1-1).
1-1). During measurement, incoming
MAX
MAX
1100
+5.7
0.05
1.05
1.05
0.05
1300
900
800
MAX
1.1
-20
260
-28
-38
UNITS
UNITS
mVpk
mVpk
mVpk
UNITS
dBm
UI
UI
mVpk
mVpk
UI
dB
ns
dB
dB
dB
dB
P-P
P-P
ft
P-P