參數(shù)資料
型號(hào)： L8575
英文描述： Dual-Resistive,Low-Cost Subscriber Line Interface Circuit(SLIC)
中文描述： 雙電阻，低成本用戶線接口電路（SLIC）
文件頁數(shù)： 11/36頁
文件大小： 633K
代理商： L8575
Advance Data Sheet
March 1997
L8575
Dual-Resistive, Low-Cost SLIC
Lucent Technologies Inc.
11
Electrical Characteristics
(continued)
Relay Drivers
The relay drivers operate using the V
DDD
supply. When V
DDD
is first applied to the device, the relay drivers must
power up and remain in the off-state until the SLIC is configured via the serial data interface. The table below sum-
marizes their parameter requirements.
Table 5. Relay Drivers (RDRA, RDTA, RDRB, RDTB, RDDA, and RDDB)
1. Unless otherwise specified, all logic voltages are referenced to DGND.
2. This parameter is not tested in production. It is guaranteed by design and device characterization.
Table 6. Analog Signal Pins
1.This parameter is not tested in production. It is guaranteed by design and device characterization.
Parameter
1
Symbol
Min
Max
±
10
0.60
0.40
±
10
Unit
μ
A
V
V
μ
A
V
μ
s
μ
s
Off-state Output Current (V
OUT
= V
DDD
)
On-state Output Voltage (I
OUT
= 40 mA)
On-state Output Voltage (I
OUT
= 20 mA)
Clamp Diode Reverse Current (V
OUT
= 0)
Clamp Diode On Voltage (I
OUT
= 80 mA)
Turn-on Time
2
Turn-off Time
2
I
OFF
V
ON
V
ON
I
R
V
OC
t
ON
t
OFF
—
0
0
—
V
DDD
+ 0.5
—
—
V
DDD
+ 3.0
10
10
Parameter
Min
Typ
Max
Unit
PTA, PTB, PRA, and PRB:
Surge Current (from external source):
Continuous
1 ms Exponential Pulse (50 repetitions)
1 second, 60 Hz (60 repetitions)
10
μ
s Rectangular Pulse (10 repetitions)
Output Drive (PTA and PTB):
Drive Current (sink only)
Voltage Swing (I
OUT
= 15 mA)
dc Bias Current (active state only)
Output Drive (PRA and PRB):
Drive Current (source only)
Voltage Swing (I
OUT
= 15 mA)
dc Bias Current (active state only)
Output Impedance (60 Hz—3.4 kHz)
1
Output Load Resistance (dc or ac)
1
—
—
—
—
—
—
—
—
±
50
±
750
±
175
±
1.25
mAdc
mA
mArms
A
0.1
V
BAT
+ 4
5.3
—
—
5.6
15
AGND
5.9
mA
V
mA
–15
V
BAT
–5.3
1
0
—
—
–5.6
—
—
–0.1
AGND – 4
–5.9
—
100
mA
V
mA
M
k
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