Le79555
Power Dissipation
Description
On-hook, Standby state
On-hook Active State
Off-hook, Standby state
Off-hook Active State
Test Conditions (See Note 1)
R
L
= Open
R
L
= Open
Min
Typ
45
130
860
350
Max
70
190
1200
400
Data Sheet
Unit
Note
mW
Supply Currents
Description
I
CC
,
On-hook V
CC
supply current
Test Conditions (See Note 1)
Standby State
Active/Polarity Reversed States
Open Circuit, R
L
= Open
Ringing, R
L
= Open
Standby State
I
BAT
,
On-hook V
BAT
supply current + V
REG
supply current
Active/Polarity Reversed States
Open Circuit, R
L
= Open
Ringing, R
L
= Open
Min
Typ
2.5
4.55
2.5
6.0
0.65
2.3
0.5
1.5
0.9
4.0
mA
Max
3.2
6.0
Unit
Note
RFI Rejection
Description
VAB, RMS
Test Conditions (See Note 1)
100 kHz to 30 MHz, (See
Figure 8)
Min
Typ
Max
1.0
Unit
mVrms
Note
4
Receive Summing Node (RSN)
Description
RSN DC voltage
RSN impedance
Test Conditions (See Note 1)
I
RSN
= 0 mA
200 Hz to 3.4 kHz
Min
Typ
0
10
20
Max
Unit
V
Ω
Note
4
Logic Inputs
(C3-C1, D2-D1, and CHCLK)
Description
V
IH
, Input High voltage
V
IL
, Input Low voltage
I
IH
, Input High current
I
IL
, Input Low current
–75
–400
Test Conditions (See Note 1)
Min
2.0
0.8
40
Typ
Max
Unit
V
Note
µA
Logic Output DET
Description
V
OL
, Output Low voltage
V
OH
, Output High voltage
Test Conditions (See Note 1)
I
OUT
= 0.3 mA
I
OUT
= –0.1 mA
2.4
Min
Typ
Max
0.40
Unit
V
Note
Ring-Trip Detector Input
(DA, DB)
Description
Bias Current
Offset voltage
Source resistance = 2 MΩ
Test Conditions (See Note 1)
Min
–500
–50
Typ
–50
0
+50
Max
Unit
nA
mV
6
Note
10
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
