CS61535A Cirrus Logic, Inc., CS61535A Datasheet - Page 4

• Manufacturer Part Number: CS61535A
• Description: T1-E1 Line Interface Unit for PCM applications
• Manufacturer: Cirrus Logic, Inc.

ANALOG SPECIFICATIONS
Notes: 16. Using a 0.47 F capacitor in series with the primary of a transformer recommended
4
Transmitter
AMI Output Pulse Amplitudes
E1 Zero (space) level (LEN2/1/0 = 0/0/0)
Recommended Output Load at TTIP and TRING
Jitter Added During Remote Loopback
Power in 2kHz band about 772kHz
Power in 2kHz band about 1.544MHz
(referenced to power in 2kHz band at 772kHz)
Positive to Negative Pulse Imbalance
Transmitter Return Loss
Transmitter Short Circuit Current
17. Amplitude measured at the transformer (CS61535A-1:1 or 1:1.26) output across a
18. Amplitude measured at the transformer (CS61535A-1:1.26) output across a
19. Amplitude measured at the transformer (CS61535A-1:1.15) output across a
20. Amplitude measured across a 100
21. Input signal to RTIP/RRING is jitter free. Values will reduce slightly if jitter free clock is input to TCLK.
22. Return loss = 20 log
23. Measured broadband through a 0.5
in the Applications Section.
75
120
100
LEN2/1/0 = 0/1/1, 1/0/0, 1/0/1, 1/1/0 and 1/1/1 after the length of #22 AWG ABAM equivalent cable
specified in Table 3. The CS61535A requires a 1:1.15 transformer.
z
and a 1:1 transformer terminated with a 75
120
during the transmission of an all ones data pattern for LEN2/1/0 = 0/0/0.
0
= impedance of line load. Measured with a repeating 1010 data pattern with LEN2/1/0 = 0/0/0
E1, 75
E1, 120
T1, FCC Part 68
T1, DSX-1
75
120
10Hz - 8kHz
8kHz - 40kHz
10Hz - 40kHz
Broad Band
T1, DSX-1
E1 amplitude at center of pulse
E1 pulse width at 50% of nominal amplitude
51 kHz to 102 kHz
102 kHz to 2.048 MHz
2.048 MHz to 3.072 MHz
load for line length setting LEN2/1/0 = 0/0/0.
load.
load for line length setting LEN2/1/0 = 0/0/0.
load for line length setting LEN2/1/0 = 0/1/0.
application
application
Parameter
10
ABS((z
(TA = -40 C to 85 C; TV+, RV+ = 5.0V 5%; GND = 0V)
1
(Notes 12, 16, 22)
+z
0
(Notes 12, 16)
(Notes 12, 16)
(Notes 12, 23)
(Notes 12, 16)
)/(z
load at the DSX-1 cross-connect for line length settings
1
resistor across the secondary of a 1:1.26 transformer
-z
(Note 16)
(Note 17)
(Note 18)
(Note 19)
(Note 20)
(Note 17)
(Note 18)
(Note 21)
0
)) where z
load, or a 1:1.26 transformer terminated with a
1
-0.237
= impedance of the transmitter, and
2.14
12.6
Min
-0.3
2.7
2.7
2.4
-29
14
10
-5
-5
8
-
-
-
-
-
-
-
0.005
0.008
0.010
0.015
2.37
Typ
-38
3.0
3.0
3.0
0.2
75
15
-
-
-
-
-
-
-
-
0.237
0.025
0.025
Max
0.02
0.05
17.9
2.6
3.3
3.3
3.6
0.3
0.5
50
5
5
-
-
-
-
-
CS61535A
mA RMS
Units
DS40F2
dBm
dB
dB
dB
dB
dB
UI
UI
UI
UI
%
%
V
V
V
V
V
V