DS3251+ Maxim Integrated Products, DS3251+ Datasheet - Page 48

• Manufacturer Part Number: DS3251+
• Description: IC LIU DS3/E3/STS-1 144-CSBGA
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS3251+

• Number Of Drivers/receivers: 1/1
• Protocol: DS3
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-CSBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 17-F. Transmitter Output Characteristics—DS3 and STS-1 Modes
(V
Table 17-G. Transmitter Output Characteristics—E3 Mode
(V
Note 1:
Note 2:
Note 1:
DS3 Output Pulse Amplitude, TLBO = 0 (Note 1)
DS3 Output Pulse Amplitude, TLBO = 1 (Note 1)
STS-1 Output Pulse Amplitude, TLBO = 0 (Note 1)
STS-1 Output Pulse Amplitude, TLBO = 1 (Note 1)
Ratio of Positive and Negative Pulse-Peak Amplitudes
DS3 Power Level at 22.368MHz (Note 2)
DS3 Power Level at 44.736MHz vs. Power Level at 22.368MHz (Note 2)
Intrinsic Jitter Generation (Note 3)
Transmit Driver Monitor Minimum Threshold (V
Transmit Driver Monitor Minimum Threshold (V
Transmit Driver Monitor Maximum Threshold (V
Transmit Driver Monitor Maximum Threshold (V
Note 3:
Output Pulse Amplitude (Note 1)
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 2)
Transmit Driver Monitor Minimum Threshold (V
Transmit Driver Monitor Maximum Threshold (V
Note 2:
DD
DD
= 3.3V ±5%, T
= 3.3V ±5%, T
Measured on the line side (i.e., the BNC connector side) of the 2:1 transmit transformer
Unframed all ones output signal, 3 kHz bandwidth, cable length 225 feet to 450 feet.
Measured on the line side (i.e., the BNC connector side) of the 2:1 transmit transformer
Measured with jitter-free clock applied to TCLK and a bandpass jitter filter with 10Hz and 800kHz cutoff frequencies. Not tested
during production test.
Measured with jitter-free clock applied to TCLK and a bandpass jitter filter with 10Hz and 800kHz cutoff frequencies. Not tested
during production test.
A
A
= -40°C to +85°C.)
= -40°C to +85°C.)
PARAMETER
PARAMETER
TXMIN
TXMIN
TXMIN
TXMAX
TXMAX
TXMAX
), TLBO = 0
), TLBO = 1
)
), TLBO = 0
), TLBO = 1
)
48 of 71
(Figure
(Figure
0.95
0.95
MIN
-1.8
MIN
700
520
700
520
900
0.9
2-1).
2-1).
14.55
1050
1000
1250
TYP
0.02
TYP
0.02
800
700
800
700
550
500
800
750
MAX
1100
MAX
1100
+5.7
1.05
0.05
1.05
0.05
900
800
850
1.1
-20
UNITS
UNITS
mVpk
mVpk
mVpk
mVpk
mVpk
mVpk
mVpk
mVpk
mVpk
mVpk
mVpk
dBm
UI
UI
dB
ns
P-P
P-P