LUCL9500AGF-DT datasheet(15/32 Pages) AGERE

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Preliminary Data Sheet

September 2001

High-Voltage Ringing SLIC for VoIP Applications

L9500A

Agere Systems Inc.

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

—

10.5

11.5

—

Loop Closure Threshold Hysteresis:

VCC = 5 V

VCC = 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:

VBAT1, VBAT2

VCC (5 V operation)

—

Parameter

Min

Typ

Max

Unit

TXI (input impedance)

—

100

—

Ω

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

—

±300

±10

AGND

AGND + 0.25

AGND + 0.35

—

±10

100

—

VCC

VCC – 0.5

VCC – 0.4

±50

—

µA

Ω

RCVN and RCVP:

Input Voltage Range (VCC = 5 V)

Input Voltage Range (VCC = 3.3 V)

Input Bias Current

—

0.05

VCC – 0.5

VCC – 0.3

—

µA

Differential PT/PR Current Sense (DCOUT):

Gain (PT/PR to DCOUT)

Offset Voltage at ILOOP = 0

—

–10

—

V/A

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