hc5523 Intersil Corporation, hc5523 Datasheet - Page 16

• Manufacturer Part Number: hc5523
• Description: Lssgr/tr57 Co/loop Carrier Slic With Low Power Standby
• Manufacturer: Intersil Corporation

K = I
10. Four-Wire to Longitudinal Balance - The 4-wire to longitudi-
11. Two-Wire Return Loss - The 2-wire return loss is computed
12. Overload Level (4-Wire port) - The overload level is specified
13. Output Offset Voltage - The output offset voltage is specified
14. Two-Wire to Four-Wire (Metallic to V
15. Current Gain RSN to Metallic - The current gain RSN to
16. Two-Wire to Four-Wire Frequency Response - The 2-wire to
17. Four-Wire to Two-Wire Frequency Response - The 4-wire to
5. Longitudinal Current Limit (On-Hook Standby) - On-Hook
6. Longitudinal to Metallic Balance - The longitudinal to metal-
7. Metallic to Longitudinal FCC Part 68, Para 68.310 - The
8. Longitudinal to Four-Wire Balance - The longitudinal to 4-wire
9. Metallic to Longitudinal Balance - The metallic to longitudi-
longitudinal balance drops below 45dB. DET pin remains low
(no false detection).
(Active, C
by increasing the amplitude of E
longitudinal balance drops below 45dB. DET pin remains high
(no false detection).
lic balance is computed using the following equation:
BLME = 20 • log (E
Figure 4.
metallic to longitudinal balance is defined in this spec.
balance is computed using the following equation:
BLFE = 20 • log (E
nal balance is computed using the following equation:
BMLE = 20 • log (E
where: E
nal balance is computed using the following equation:
BFLE = 20 • log (E
where: E
using the following equation:
r = -20 • log (2V
where: Z
impedance of the line, nominally 600Ω. (Reference Figure 6).
at the 4-wire transmit port (V
the 2-wire port, I
ence Figure 7). Increase the amplitude of E
measured at V
the 4-wire port is equal to 1.
with the following conditions: E
and is measured at V
in Figure 7. Note: I
resistor between tip and ring.
2-wire to 4-wire (metallic to V
using the following equation.
G
in Figure 7.
Metallic is computed using the following equation:
and V
4-wire frequency response is measured with respect to
E
quency response is computed using the following equation:
F
3.4kHz and compare to 1kHz reading.
V
2-wire frequency response is measured with respect to E
0dBm at 1.0kHz, E
response is computed using the following equation:
F
M
2-4
4-2
G
TX
2-4
[(R
= 0dBm at 1.0kHz, E
, V
= (V
= 20 • log (V
= 20 • log (V
DC1
RSN
TR
TR,
RX,
D
TX
, and E
1
+ R
are defined in Figure 8.
= 1, C
= The desired impedance; e.g., the characteristic
/V
V
V
DC2
L
L
TR
TXO
and E
and E
M
DCMET
G
), E
/V
2
)/(V
L
RX
are defined in Figure 9.
. Note that the gain from the 2-wire port to
TR
= 1) longitudinal current limit is determined
DCMET
G
L
/V
S
G
TX
TR
/V
)
RDC
RX
TX
/V
TR
/V
TX
= 0V, I
= 0dBm0, V
/V
/E
TR
= 23mA, Z
L
. E
L
),: E
are defined in Figure 5.
), E
are defined in Figure 5.
RX
), E
TR
RX
), where: E
- V
G
16
is established with a series 600Ω
TXO
), vary frequency from 300Hz to
), vary frequency from 300Hz to
TR
, I
L
RX
= 0V, I
RSN
DCMET
DCMET
and V
G
TX
= source is removed.
= 0
) with the signal source (E
= 0, I
L
)] K, I
L
) voltage gain is computed
TX
(Figure 3B) until the 2-wire
= 20kΩ, R
DCMET
TX
, V
L
TX
, V
DCMET
= 23mA. The frequency
and V
TR
are defined in Figure 4.
) Voltage Gain - The
M
TX
, R
, and E
and Z
G
DC1
= 23mA. The fre-
TR
SG
= 23mA, Z
until 1% THD is
, R
are defined in
= 4kΩ (Refer-
G
L
are defined
are defined
DC2
, V
L
RX
G
=
RDC
) at
∞
=
HC5523
18. Four-Wire to Four-Wire Frequency Response - The
19. Two-Wire to Four-Wire Insertion Loss - The 2-wire to 4-wire
20. Four-Wire to Two-Wire Insertion Loss - The 4-wire to 2-wire
21. Two-Wire to Four-Wire Gain Tracking - The 2-wire to 4-wire
22. Four-Wire to Two-Wire Gain Tracking - The 4-wire to 2-wire
23. Two-Wire Idle Channel Noise - The 2-wire idle channel noise
24. Four-Wire Idle Channel Noise - The 4-wire idle channel noise
25. Harmonic Distortion (2-Wire to 4-Wire) - The harmonic dis-
26. Harmonic Distortion (4-Wire to 2-Wire) - The harmonic dis-
27. Constant Loop Current - The constant loop current is calcu-
28. Standby State Loop Current - The standby state loop current
3.4kHz and compare to 1kHz reading.
V
to 4-wire frequency response is measured with respect to E
= 0dBm at 1.0kHz, E
response is computed using the following equation:
F
3.4kHz and compare to 1kHz reading.
V
insertion loss is measured with respect to E
input signal, E
the following equation:
L
where: V
fuse resistors, R
insertion loss is for R
insertion loss is measured based upon E
input signal, E
the following equation:
L
where: V
gain tracking is referenced to measurements taken for E
-10dBm, 1.0kHz signal, E
puted using the following equation.
G
-55dBm to -40dBm and compare to -10dBm reading.
V
gain tracking is referenced to measurements taken for E
-10dBm, 1.0kHz signal, E
puted using the following equation:
G
-55dBm to -40dBm and compare to -10dBm reading.
V
the 4-wire receive port and referenced to a 600Ω impedance
level.
at V
and with the 4-wire receive port grounded (Reference Figure
10).
at V
The noise specification is with respect to a 600Ω impedance
level at V
Figure 10).
tortion is measured with the following conditions. E
1kHz, I
Figure 7).
tortion is measured with the following conditions. E
Vary frequency between 300Hz and 3.4kHz, I
Measurement taken at V
lated using the following equation:
I
is calculated using the following equation:
L
2-4
4-2
4-4
TR
TX
TX
TR
2-4
4-2
= 2500 / (R
TX
TR
and E
and E
= 20 • log (V
= 20 • log (V
and V
and E
= 20 • log (V
= 20 • log (V
= 20 • log (V
DCMET
is specified with the 2-wire port terminated in 600Ω (R
is specified with the 2-wire port terminated in 600Ω (R
TR
TX
TX
RX
TR
RX
RX
, V
and E
. The 4-wire receive port is grounded (Reference
DC1
are defined in Figure 9.
are defined in Figure 9.
are defined in Figure 9.
RX
TR
G
are defined in Figure 9. The level is specified at
= 23mA. Measurement taken at V
= 0, I
TX
, and E
TR
F
TX
TR
= 0, I
RX
+ R
, impact the insertion loss. The specified
/V
/E
/V
/E
TX
F
are defined in Figure 9.
G
DC2
TR
RX
RX
= 0).
DCMET
TR
/E
DCMET
= 0V, I
TR
G
)
)
) vary amplitude -40dBm to +3dBm, or
) vary amplitude -40dBm to +3dBm, or
RX
RX
)
G
. (Reference Figure 9).
are defined in Figure 9. (Note: The
), vary frequency from 300Hz to
= 0, I
= 0, I
DCMET
= 23mA and is computed using
= 23mA and is computed using
DCMET
DCMET
= 23mA. The frequency
= 23mA and is com-
RX
= 23mA and is com-
G
= 0dBm at 1.0kHz
= 0dBm, 1.0kHz
DCMET
TX
RX
G
. (Reference
= 0dBm at
= 0dBm0.
= 23mA.
4-wire
RX
G
RX
L
L
=
=
).
)