L8575 查看數據表（PDF） - Agere -> LSI Corporation
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L8575 Datasheet PDF : 36 Pages
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Advance Data Sheet
March 1997
L8575
Dual-Resistive, Low-Cost SLIC
Electrical Characteristics (continued)
Relay Drivers
The relay drivers operate using the VDDD supply. When VDDD 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)
Parameter1
Off-state Output Current (VOUT = VDDD)
On-state Output Voltage (IOUT = 40 mA)
On-state Output Voltage (IOUT = 20 mA)
Clamp Diode Reverse Current (VOUT = 0)
Clamp Diode On Voltage (IOUT = 80 mA)
Turn-on Time2
Turn-off Time2
Symbol
IOFF
VON
VON
IR
VOC
tON
tOFF
Min
—
0
0
—
VDDD + 0.5
—
—
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.
Max
±10
0.60
0.40
±10
VDDD + 3.0
10
10
Unit
µA
V
V
µA
V
µs
µs
Table 6. Analog Signal Pins
Parameter
PTA, PTB, PRA, and PRB:
Surge Current (from external source):
Continuous
1 ms Exponential Pulse (50 repetitions)
1 second, 60 Hz (60 repetitions)
10 µs Rectangular Pulse (10 repetitions)
Output Drive (PTA and PTB):
Drive Current (sink only)
Voltage Swing (IOUT = 15 mA)
dc Bias Current (active state only)
Output Drive (PRA and PRB):
Drive Current (source only)
Voltage Swing (IOUT = 15 mA)
dc Bias Current (active state only)
Output Impedance (60 Hz—3.4 kHz)1
Output Load Resistance (dc or ac)1
Min
—
—
—
—
0.1
VBAT + 4
5.3
–15
VBAT
–5.3
1
0
Typ
—
—
—
—
—
—
5.6
—
—
–5.6
—
—
1.This parameter is not tested in production. It is guaranteed by design and device characterization.
Max
Unit
±50
±750
±175
±1.25
mAdc
mA
mArms
A
15
mA
AGND
V
5.9
mA
–0.1
mA
AGND – 4
V
–5.9
mA
—
MΩ
100
kΩ
Lucent Technologies Inc.
11
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