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參數(shù)資料
| 型號： | PBL38773/1ML |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 模擬傳輸電路 |
| 英文描述： | TELECOM-SLIC, PQCC32 |
| 封裝： | PLASTIC, VQFN-32 |
| 文件頁數(shù)： | 16/64頁 |
| 文件大?。?/td> | 1052K |
| 代理商： | PBL38773/1ML |
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Ringing FlexiSLIC
PBL 38773/1
Electrical Characteristics
Data Sheet
23
DS1, 2003-06-18
Power Supply Rejection Ratios
V
CC to 2-wire port
30
45
–
dB
Active, f = 1 kHz,
V
n = 100 mV
V
CC to 4-wire port
36
51
–
dB
Active, f = 1 kHz,
V
n = 100 mV
V
TB to 2-wire port
28.5
60
–
dB
Active, f = 1 kHz,
V
n = 100 mV
V
TB to 4-wire port
34.5
66
–
dB
Active, f = 1 kHz,
V
n = 100 mV
V
BAT to 2-wire port
40
60
–
dB
Active, f = 1 kHz,
V
n = 100 mV
V
BAT to 4-wire port
46
66
–
dB
Active, f = 1 kHz,
V
n = 100 mV
Temperature Guard
Junction threshold
temperature
T
JG
–
155
–
° C–
Thermal Resistance
Junction to pin
Θ
JP
–
22
–
° C/W
SOIC package
Junction to ambient
Θ
JA
–
41.6
–
° C/W
SOIC package
Junction to pin
Θ
JP
–
3
–
° C/W
MLP package
Junction to ambient
Θ
JA
–27
–
° C/W
MLP package
1) The overload level is automatically expanded to needed signal level, maximum 1.7 VPeak when the signal
level is > 1.0 VPeak, and is specified at the two-wire port with the signal source at the four-wire receive port.
For more information see Chapter 5.11.
2) The two-wire impedance is programmable by selection of external component values according to:
Z
TRX = ZT/(|G2-4S × αRSN|) where:
Z
TRX = impedance between the TIPX and RINGX terminals
Z
T = programming network between the VTX and RSN terminals
G
2-4S = transmit gain, nominally = 0.5
α
RSN = receive current gain, nominally 400 (current defined as positive flowing into the receive summing node,
RSN, and when flowing from ring to tip). See Chapter 5.
3) Higher return loss values can be achieved by adding a reactive component to
Z
T, the two-wire terminating
impedance programming resistances, e.g. by dividing
Z
T, into two equal halves and connecting capacitors from
the common points to ground.
Table 5
Characteristics (cont’d)
Parameter
Symbol
Values
Unit
Note/
Test Condition
min.
typ.
max.
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