CS61584A 데이터 시트보기 (PDF) - Cirrus Logic
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CS61584A Datasheet PDF : 54 Pages
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DS261PP5
CS61584A
ANALOG CHARACTERISTICS (Continued)
Parameter
Transmitter (Continued)
AMI Output Pulse Amplitudes
E1, 75 Ω
E1, 120 Ω
T1, DSX-1
(Note 16)
(Note 17)
(Note 18)
(Note 19)
Recommended Transmitter Output Load (3.3 V)
T1
E1, 75 Ω
E1, 120 Ω
(Note 16)
Recommended Transmitter Output Load (5.0 V)
T1
E1, 75 Ω
E1, 120 Ω
(Note 16)
Jitter Added During Remote Loopback
10 Hz - 8 kHz
8 kHz - 40 kHz
10 Hz - 40 kHz
Broad Band
(Note 20)
Power in 2 kHz band about 772 kHz
(DSX-1 only)
(Notes 12 and 13)
Power in 2 kHz band about 1.544 MHz (Note 12 and 13)
(referenced to power in 2 kHz band at 772 kHz, DSX-1 only)
Positive to Negative Pulse Imbalance (Notes 12 and 13)
T1, DSX-1
E1, amplitude at center fo pulse interval
E1, width at 50% of nominal amplitude
Transmitter Return Loss
(Notes 12, 13, and 14)
51 kHz - 102 kHz
102 kHz - 2.048 MHz
2.048 MHz - 3.072 MHz
E1 Short Circuit Current 5.0 V
(Note 21)
3.3 V
E1 and DSX-1 Output Pulse Rise/Fall Times
(Note 22)
E1 Pulse Width (at 50% of peak amplitude)
E1 Pulse Amplitude for a space
E1, 75 Ω
E1, 120 Ω
Symbol
Min
2.14
2.7
2.4
-
-
-
-
-
-
-
-
-
-
12.6
-29
-
-5
-5
8
14
10
-
-
-
-
-0.237
-0.3
Typ
2.37
3.0
3.0
24.8
18.6
30.0
76.6
57.4
90.6
0.020
0.015
0.015
0.045
15
-38
0.2
-
-
25
18
12
-
70
50
244
-
-
Max Unit
V
2.6
3.3
3.6
Ω
-
-
-
Ω
-
-
-
UI
-
-
-
-
17.9 dBm
-
dB
0.5
5
5
-
-
-
50
-
-
-
0.237
0.3
dB
%
%
dB
mArms
mArms
ns
ns
V
V
Notes: 16. Using a transformer that meets the specifications in the Applications section.
17. Measured across 75 Ω at the output of the transmit transformer for CON3/2/1/0 = 0/0/0/0.
18. Measured across 120 Ω at the output of the transmit transformer for CON3/2/1/0 = 0/0/0/1.
19. Measured at the DSX-1 Cross-Connect for line length settings CON3/2/1/0 = 0/0/1/0, 0/0/1/1, 0/1/0/0,
0/1/0/1, and 0/1/1/0 after the length of #22 ABAM cable specified in Table 1.
20. Input signal to RTIP/RRING is jitter free. Values will reduce slightly if jitter free clock is input to TCLK.
21. Transformer secondary shorted with 0.5 Ω resistor during the transmission of 100% ones.
22. At transformer secondary and measured from 10% to 90% of amplitude.
DS261FP1P5
7
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