L9215A/G
Short-Loop Sine Wave Ringing SLIC
Data Sheet
September 2001
Electrical Characteristics (continued)
Table 11. 2-Wire Port (continued)
Parameter
Min
Typ
Max
Unit
Loop Closure Threshold:
Active/On-hook Transmission Modes
Scan Mode
—
—
10.5
11.5
—
—
mA
mA
Loop Closure Threshold Hysteresis:
VCC = 5 V
VCC = 3.3 V
—
—
2
1
—
—
mA
mA
Ground Key:
Differential Detector Threshold
Detection
5
50
8
—
10
—
mA
ms
Longitudinal to Metallic Balance at PT/PR
Test Method: Q552 (11/96) Section 2.1.2 and IEEE® 455:
300 Hz to 600 Hz
52
52
—
—
—
—
dB
dB
600 Hz to 3.4 kHz
Metallic to Longitudinal (harm) Balance:
200 Hz to 1000 Hz
100 Hz to 4000 Hz
40
40
—
—
—
—
dB
dB
PSRR 500 Hz—3000 Hz:
VBAT1, VBAT2
VCC (5 V operation)
45
35
—
—
—
—
dB
dB
Table 12. Analog Pin Characteristics
Parameter
Min
Typ
Max
Unit
TXI (input impedance)
—
100
—
kΩ
Output Offset (VTX)
Output Offset (VITR)
—
—
±300
±10
—
—
—
—
±10
±100
—
mV
mV
µA
Output Drive Current (VTX)
Output Drive Current (VITR)
Output Voltage Swing:
Maximum (VTX, VITR)
Minimum (VTX)
—
µA
AGND
AGND + 0.25
AGND + 0.35
—
—
—
—
—
20
VCC
VCC – 0.5
VCC – 0.4
±50
V
V
V
mA
kΩ
pF
Minimum (VITR)
Output Short-circuit Current
Output Load Resistance
Output Load Capacitance
—
10
—
—
—
RCVN and RCVP:
Input Voltage Range (VCC = 5 V)
Input Voltage Range (VCC = 3.3 V)
Input Bias Current
0
0
—
—
—
0.05
VCC – 0.5
VCC – 0.3
—
V
V
µA
Differential PT/PR Current Sense (DCOUT):
Gain (PT/PR to DCOUT)
Offset Voltage at ILOOP = 0
—
–20
67
—
—
20
V/A
mV
18
Agere Systems Inc.
AGERE [ AGERE SYSTEMS ]
