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參數(shù)資料
| 型號(hào)： | T7288 |
| 廠商： | Lineage Power |
| 英文描述： | CEPT/E1 Line Interface(CEPT/E1 線接口) |
| 中文描述： | CEPT/E1線路接口（CEPT/E1線接口） |
| 文件頁數(shù)： | 15/22頁 |
| 文件大小： | 432K |
| 代理商： | T7288 |
Data Sheet
January 1998
T7288 CEPT/E1 Line Interface
15
Lucent Technologies Inc.
Electrical Characteristics
(continued)
Table 11. Receiver Specifications
* Measured at T1, R1 (V peak-to-zero, GND reference).
Transfer characteristics (1/4 input).
Table 12. Jitter
20 Hz—100 kHz
Table 13. Power Dissipation
T
A
= –40
°
C to +85
°
C, V
DD
= 5.0 V
±
10%.
Note: All measurements are with a matched-impedance transmit interface (see Figure 3 and Figure 4) and with V
DD
or GND applied to digital
input leads.
Parameter
Min
0.7
Typ
—
Max
4.2
Unit
Vp
Receiver Sensitivity*
Allowed Cable Loss at BER = 10
–9
No Interference
Interfering PBRS, 18 dB Below Transmitted PBRS
PLL
:
3 dB Bandwidth
Peaking
ICO Free-running Frequency Error
Input Transformer Turns Ratio
Input Resistance, R1 or T1, Each Input to Ground
—
—
10
—
7
6
dB
dB
—
—
—
28
0.24
—
1:2.0
—
—
0.5
±
7
1:2.1
3.0
kHz
dB
%
—
k
1:1.9
0.9
Parameter
Min
—
—
Typ
0.06
0.012
Max
0.09
0.04
Unit
Receive Plus Transmit Jitter at T2/R2
Transmit Jitter at T2/R2
U.I. peak-to-peak
U.I. peak-to-peak
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Power Dissipation:
75
(ZS = 0)
120
(ZS = 1)
Power Dissipation:
75
(ZS = 0)
120
(ZS = 1)
Power Dissipation:
75
(ZS = 0)
120
(ZS = 1)
P
dis
P
dis
All 1s transmit and receive data,
V
DD
= 5.5 V
—
—
190
170
290
260
mW
mW
P
dis
P
dis
All 1s transmit and receive data,
V
DD
= 5.0 V
—
—
170
150
—
—
mW
mW
P
dis
P
dis
PRBS (50% 1s) transmit and
receive data, V
DD
= 5.0 V
—
—
108
100
—
—
mW
mW
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