Application Note 9814
Stand Alone Con?guration Typical Measurements
Supply Currents (milli amps) - On Hook
OPERATING MODE
Low Power Standby
Forward Active
Unused
Reverse Active
Ringing
Forward Loop Back
Tip Open
Power Denial
F2, F1, F0
0, 0, 0
0, 0, 1
0, 1, 0
0, 1, 1
1, 0, 0
1, 0, 1
1, 1, 0
1, 1, 1
E0
x
x
n/a
x
x
x
x
x
SWC
1
1
n/a
1
1
1
1
1
BSEL
1
0
n/a
0
1
0
1
x
ICC
29
29
n/a
29
29
29
29
29
IBH
0.4
0
n/a
0
1.8
0
0.4
0
IBL
0.1
1.0
n/a
1.3
0.4
19
0.1
0.3
I+5V
3.5
4.0
n/a
4.2
7.2
20
4.0
3.4
NOTE: The current I+5V includes the current ?owing through the DET and ALM LEDs when they are on.
Tip and Ring Voltages (Volts) - On Hook
OPERATING MODE
Low Power Standby
Forward Active
Unused
Reverse Active
Ringing
Forward Loop Back
Tip Open
Power Denial
F2, F1, F0
0, 0, 0
0, 0, 1
0, 1, 0
0, 1, 1
1, 0, 0
1, 0, 1
1, 1, 0
1, 1, 1
E0
x
x
n/a
x
x
x
x
x
SWC
1
1
n/a
1
1
1
1
1
BSEL
1
0
n/a
0
1
0
1
x
TIP
-0.6
-4.0
n/a
-19.4
-50
-4.4
Float
Float
RING
-49
-19.4
n/a
-4.0
-50
-19
-49
Float
AC Gains (dB), Off Hook, 600 ? Termination - Forward and Reverse Active Only
OPERATING MODE
Forward Active
Reverse Active
F2, F1, F0
0, 0, 1
0, 1, 1
E0
x
x
SWC
1
1
BSEL
0
0
G 42
0.0
0.0
G 24
-7.3
-7.3
G 44
-7.3
-7.3
G 42 = – 2 ? --------------------------------------- ?
G 24 = – ? --------------------------------------- ?
G 44 = – ? --------------------------------------- ?
AC Gain Equations
? Z L ?
? Z O + 2R P + Z L ?
G 42
? Z O ?
? Z O + 2R P + Z L ?
G 24
? Z O ?
? Z O + 2R P + Z L ?
G 44
4-5
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