LUCL8574DP-DT datasheet(11/36 Pages) AGERE

Part #	LUCL8574DP-DT

Description	L8574D Resistive Subscriber Line Interface Circuit(SLIC), Ring Relay,and Protector(SRP)for Long Loop and TR-57 Applications

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Lucent Technologies Inc.

11

Data Sheet

October 1998

Relay, and Protector (SRP) for Long Loop and TR-57 Applications

L8574D Resistive Subscriber Line Interface Circuit (SLIC), Ring

Electrical Characteristics (continued)

Fault Protection (continued)

Loss of Power Supplies (continued)

Table 7. Analog Signal Pins

1. Connected per Figure 5.

2. A battery or ground short on PT, PR, or XMT shall not cause a device failure.

3. This parameter is not tested in production. It is guaranteed by design and device characterization.

Parameter

Min

Typ

Max

Unit

PT and PR:

Surge Current (See the Protection section.)

Output Drive (PT):

Drive Current

Negative Voltage Swing (IOUT + 10 mA)

Positive Voltage Swing (IOUT – 10 mA)

dc Bias Current

±15

VBAT1 + 4.5

VCCA – 3.5

600

—

VBAT1

VCCA

900

mA

V

µA

Output Drive (PR):

Positive (sink) Drive Current

Negative Voltage Swing (IOUT + 10 mA)

Positive Voltage Swing (IOUT – 10 mA)

dc Bias Current (VBAT2 = VBAT1 – 48 V)1

±15

VBAT1 + 4.5

VCCA – 3.5

–0.8

—

VBAT1

VCCA

–1.4

mA

V

mA

Output Short-circuit Transient Current2

Output Impedance (60 Hz—3.4 kHz)3

Output Load Resistance (dc or ac)3

Output Load Capacitance3

—

250

100

—

±125

—

1

mA

k

Ω

nF

XMT:

Output Drive Current

Output Voltage Swing (1 mA load):

Maximum

Minimum

Output Short-circuit dc Current

Output Impedance (60 Hz—3.4 kHz)3

Output Load dc Resistance3

Output Load ac Resistance

Output Load Capacitance3

±1

VBAT1

VBAT1 + 5

—

50

2

—

VCCA

2.5

±20

10

—

50

mA

V

mA

Ω

k

Ω

k

Ω

pF

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