CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
Typical Operating Conditions
These represent the conditions under which the part was developed and are suggested as guidelines.
PARAMETER
Case Temperature
V
CC
with Respect to AGND
V
EE
with Respect to AGND
V
BAT
with Respect to BGND
-40
o
C to 85
o
C
-40
o
C to 85
o
C
-40
o
C to 85
o
C
CONDITIONS
MIN
-40
4.75
-5.25
-58
TYP
-
-
-
-
MAX
100
5.25
-4.75
-24
UNITS
o
C
V
V
V
Electrical Specifications
T
A
= -40
o
C to 85
o
C, V
CC
= +5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -48V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
= 0Ω, R
F1
= R
F2
= 0Ω, C
HP
= 10nF, C
DC
= 1.5µF, Z
L
= 600Ω, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package.
CONDITIONS
1% THD, Z
L
= 600Ω, (Note 2, Figure 1)
0 < f < 100Hz (Note 3, Figure 2)
MIN
3.1
-
TYP
-
20
MAX
-
35
UNITS
V
PEAK
Ω/Wire
PARAMETER
Overload Level
Longitudinal Impedance (Tip/Ring)
2
HC5523
Electrical Specifications
T
A
= -40
o
C to 85
o
C, V
CC
= +5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -48V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
= 0Ω, R
F1
= R
F2
= 0Ω, C
HP
= 10nF, C
DC
= 1.5µF, Z
L
= 600Ω, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package.
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
PARAMETER
TIP
27
R
L
600Ω
I
DCMET
23mA
RING
28
V
TX
19
R
T
600kΩ
E
RX
1V
RMS
0 < f < 100Hz
E
L
C
2.16µF
300Ω
R
RX
300Ω
A
T
V
T
TIP
27
V
TX
19
R
T
600kΩ
V
TRO
V
R
A
R
RING
28
RSN
16
R
RX
300kΩ
LZ
R
= V
R
/A
R
RSN
16
300kΩ
LZ
T
= V
T
/A
T
FIGURE 1. OVERLOAD LEVEL (TWO-WIRE PORT)
LONGITUDINAL CURRENT LIMIT (TIP/RING)
Off-Hook (Active)
On-Hook (Standby), R
L
=
∞
No False Detections, (Loop Current),
LB > 45dB (Note 4, Figure 3A)
No False Detections (Loop Current)
(Note 5, Figure 3B)
FIGURE 2. LONGITUDINAL IMPEDANCE
27
8.5
-
-
-
-
mA
PEAK
/
Wire
mA
PEAK
/
Wire
368Ω
A
C
E
L
2.16µF
-5V
R
DC2
A
368Ω
RING
R
DC
14 41.2kΩ
28
DET
39kΩ
R
D
R
DC1
41.2kΩ
C
DC
1.5µF
TIP
27
RSN
16
368Ω
A
2.16µF
E
L
2.16µF
C
39kΩ
R
D
-5V
C
R
DC2
A
368Ω
R
DC
RING
14 41.2kΩ
28
DET
TIP
27
RSN
16
R
DC1
41.2kΩ
C
DC
1.5µF
FIGURE 3A. OFF-HOOK
FIGURE 3. LONGITUDINAL CURRENT LIMIT
OFF-HOOK LONGITUDINAL BALANCE
Longitudinal to Metallic
Longitudinal to Metallic
Metallic to Longitudinal
IEEE 455 - 1985, R
LR
, R
LT
= 368Ω
0.2kHz < f < 4.0kHz (Note 6, Figure 4)
R
LR
, R
LT
= 300Ω, 0.2kHz < f < 4.0kHz (Note
6, Figure 4)
FCC Part 68, Para 68.310
0.2kHz < f < 1.0kHz
1.0kHz < f < 4.0kHz (Note 7)
Longitudinal to 4-Wire
Metallic to Longitudinal
4-Wire to Longitudinal
0.2kHz < f < 4.0kHz (Note 8, Figure 4)
R
LR
, R
LT
= 300Ω, 0.2kHz < f < 4.0kHz (Note
9, Figure 5)
0.2kHz < f < 4.0kHz (Note 10, Figure 5)
FIGURE 3B. ON-HOOK
58
58
50
50
58
50
50
70
70
55
55
70
55
55
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
3
HC5523
Electrical Specifications
T
A
= -40
o
C to 85
o
C, V
CC
= +5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -48V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
= 0Ω, R
F1
= R
F2
= 0Ω, C
HP
= 10nF, C
DC
= 1.5µF, Z
L
= 600Ω, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package.
(Continued)
CONDITIONS
R
LT
TIP
27
E
L
C
V
TR
2.16µF
R
RX
R
LR
RING
28
RSN
16
300kΩ
V
TX
19
R
T
600kΩ
2.16µF
V
TX
V
L
C
R
LR
300Ω
RING
28
RSN
16
R
RX
300kΩ
E
RX
300Ω
E
TR
TIP
27
V
TX
19
R
T
600kΩ
PARAMETER
MIN
TYP
MAX
UNITS
R
LT
FIGURE 4. LONGITUDINAL TO METALLIC AND
LONGITUDINAL TO 4-WIRE BALANCE
2-Wire Return Loss
C
HP
= 20nF
FIGURE 5. METALLIC TO LONGITUDINAL AND 4-WIRE TO
LONGITUDINAL BALANCE
25
27
23
-
-
-
-
-
-
dB
dB
dB
0.2kHz to 0.5kHz (Note 11, Figure 6)
0.5kHz to 1.0kHz (Note 11, Figure 6)
1.0kHz to 3.4kHz (Note 11, Figure 6)
4
HC5523
Electrical Specifications
T
A
= -40
o
C to 85
o
C, V
CC
= +5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -48V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
= 0Ω, R
F1
= R
F2
= 0Ω, C
HP
= 10nF, C
DC
= 1.5µF, Z
L
= 600Ω, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package.
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