CS61581-IL(2005) データシートの表示（PDF） - Cirrus Logic
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CS61581-IL Datasheet PDF : 37 Pages
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CS61581
ANALOG SPECIFICATIONS (TA = -40°C to 85°C; TV+, RV+ = 5.0 V ±5%; GND = 0 V)
Parameter
Min
Transmitter
AMI Output Pulse Amplitudes
(Note 7)
E1, 75 . (Note 8) 2.14
E1, 120 . (Note 9) 2.7
T1, (FCC Part 68) (Note 10) 2.7
T1, DSX-1 (Note 11) 2.4
External Equalizer Pulse Amplitude
4.8
Transmitter Output Impedance
Transformer turns ratio = 1:2
(Note 13)
Low Z, Long Haul
Transformer turns ratio = 1:1.5
E1, 75 .
E1, 120 .
T1, FCC
T1, DSX1
T1, Ext. Equal
Jitter Added by the Transmitter
(Note 12, 13)
10 Hz - 8 kHz
-
8k Hz - 40 kHz
-
10 Hz - 40 kHz
-
Broad Band
-
Power in 2 kHz band about 772 kHz
(Notes 7, 18) 12.6
Power in 2 kHz band about 1.544 MHz
(Notes 7, 18) -29
(referenced to power in 2 kHz band at 772 kHz)
Positive to Negative Pulse Imbalance
(Notes 7, 13)
-
Transmitter Short Circuit Current
(Notes 7, 14)
-
Typ
2.37
3.0
3.0
3.0
5.6
1.5
33
53
44
44
44
0.015
0.015
0.015
0.020
15
-38
0.2
-
Max
Units
2.6
V
3.3
V
3.3
V
3.6
V
6.4
V
.
.
.
.
.
.
-
UI
-
UI
-
UI
-
UI
17.9
dBm
-
dB
0.5
dB
50
mA RMS
Notes: 7. Using a 0.47 µF capacitor in series with the primary of a transformer recommended in the Applications
Section.
8. Pulse amplitude measured at the output of the transformer across a 75 . load for line length settings
LEN[2:0] = 001 and 000.
9. Pulse amplitude measured at the output of the transformer across a 120 . load for line length setting
LEN[2:0] = 000.
10. Pulse amplitude measured at the output of the transformer across a 100 . load for line length setting
LEN[2:0] = 000.
11. Pulse amplitude measured at the DSX-1 Cross-Connect for all line length settings from LEN[2:0] = 011
to LEN[2:0] = 111.
12. Assuming that jitter free clock is input to TCLK. Jitter Attenuator not in path.
13. Not production tested. Parameters guaranteed by design and characterization.
14. Measured broadband through a 0.5 . resistor across the secondary of the transmitter transformer
during the transmission of an all ones data pattern with LEN[2:0] = 000 or 001.
DS211PP8
5
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