參數(shù)資料
型號(hào): L9500A
英文描述: High-Voltage Ringing SLIC for VolP Applications
中文描述: 高壓振鈴用戶接口應(yīng)用的福爾普
文件頁(yè)數(shù): 15/32頁(yè)
文件大?。?/td> 616K
代理商: L9500A
Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC for VoIP Applications
L9500A
Agere Systems Inc.
15
Electrical Characteristics
(continued)
Table 11. 2-Wire Port
(continued)
Table 12. Analog Pin Characteristics
Parameter
Min
Typ
Max
Unit
Loop Closure Threshold:
Active/On-hook Transmission Modes
Scan Mode
Loop Closure Threshold Hysteresis:
V
CC
= 5 V
V
CC
= 3.3 V
Longitudinal to Metallic Balance at PT/PR
Test Method: Q552 (11/96) Section 2.1.2 and
IEEE
455:
300 Hz to 600 Hz
600 Hz to 3.4 kHz
Metallic to Longitudinal (harm) Balance:
200 Hz to 1000 Hz
100 Hz to 4000 Hz
PSRR 500 Hz—3000 Hz:
V
BAT1
, V
BAT2
V
CC
(5 V operation)
10.5
11.5
mA
mA
2
2
mA
mA
52
52
dB
dB
40
40
dB
dB
45
35
dB
dB
Parameter
Min
±300
±10
Typ
100
Max
±10
100
Unit
k
mV
mV
μ
A
μ
A
TXI (input impedance)
Output Offset (VTX)
Output Offset (VITR)
Output Drive Current (VTX)
Output Drive Current (VITR)
Output Voltage Swing:
Maximum (VTX, VITR)
Minimum (VTX)
Minimum (VITR)
Output Short-circuit Current
Output Load Resistance
Output Load Capacitance
RCVN and RCVP:
Input Voltage Range (V
CC
= 5 V)
Input Voltage Range (V
CC
= 3.3 V)
Input Bias Current
Differential PT/PR Current Sense (DCOUT):
Gain (PT/PR to DCOUT)
Offset Voltage at I
LOOP
= 0
AGND
AGND + 0.25
AGND + 0.35
10
20
V
CC
V
CC
– 0.5
V
CC
– 0.4
±50
V
V
V
mA
k
pF
0
0
0.05
V
CC
– 0.5
V
CC
– 0.3
V
V
μ
A
–10
67
10
V/A
mV
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