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
0
o
C to 70
o
C
0
o
C to 70
o
C
0
o
C to 70
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
= 0
o
C to 70
o
C, V
CC
= 5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -28V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
=
∞,
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)
1V
RMS
TIP
27
R
L
600Ω
I
DCMET
23mA
RING
28
RSN
16
V
TX
19
R
T
600kΩ
E
RX
0 < f < 100Hz
E
L
C
2.16µF
300Ω
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
R
RX
300kΩ
LZ
T
= V
T
/A
T
FIGURE 1. OVERLOAD LEVEL (TWO-WIRE PORT)
FIGURE 2. LONGITUDINAL IMPEDANCE
58
HC5526
Electrical Specifications
T
A
= 0
o
C to 70
o
C, V
CC
= 5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -28V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
=
∞,
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
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)
-
-
-
-
20
5
mA-
PEAK
/Wire
mA-
PEAK
/Wire
368Ω
A
C
E
L
2.16µF
-5V
R
DC2
A
368Ω
RING
R
DC
28
14 41.2kΩ
DET
39kΩ
R
D
R
DC1
41.2kΩ
C
DC
1.5µF
TIP
27
RSN
16
2.16µF
E
L
368Ω
A
C
39kΩ
R
D
-5V
2.16µF
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
53
53
50
50
53
50
50
60
60
55
55
60
55
55
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
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
V
TX
V
L
2.16µF
C
R
LT
300Ω
E
TR
TIP
27
V
TX
19
R
T
600kΩ
R
RX
RING
28
RSN
16
300kΩ
E
RX
R
LR
300Ω
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)
59
HC5526
Electrical Specifications
T
A
= 0
o
C to 70
o
C, V
CC
= 5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -28V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
=
∞,
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 IDLE VOLTAGE
Active, I
L
= 0
Standby, I
L
= 0
RING IDLE VOLTAGE
Active, I
L
= 0
Standby, I
L
= 0
4-WIRE TRANSMIT PORT (V
TX
)
Overload Level
Output Offset Voltage
Output Impedance (Guaranteed by Design)
2- to 4-Wire (Metallic to V
TX
) Voltage Gain
Z
D
TIP
27
R
V
S
R
Z
IN
RING
28
RSN
16
V
M
R
T
600kΩ
V
TX
19
-
-
-4
<0
-
-
V
V
-
-
-24
>-28
-
-
V
V
Z
L
> 20kΩ, 1% THD (Note 12, Figure 7)
E
G
= 0, Z
L
=
∞
(Note 13, Figure 7)
0.2kHz < f < 03.4kHz
0.3kHz < f < 03.4kHz (Note 14, Figure 7)
2.16µF
R
L
600Ω
C
V
TR
I
DCMET
23mA
3.1
-60
-
0.98
TIP
27
-
-
5
1.0
V
TX
19
-
60
20
1.02
V
PEAK
mV
Ω
V/V
R
T
600kΩ
E
G
R
RX
300kΩ
V
TXO
V
TX
Z
L
R
RX
RING
28
RSN
16
300kΩ
R
LR
FIGURE 6. TWO-WIRE RETURN LOSS
FIGURE 7. OVERLOAD LEVEL (4-WIRE TRANSMIT PORT),
OUTPUT OFFSET VOLTAGE, 2-WIRE TO 4-WIRE
VOLTAGE GAIN AND HARMONIC DISTORTION
4-WIRE RECEIVE PORT (RSN)
DC Voltage
R
X
Sum Node Impedance (Guaranteed by
Design)
Current Gain-RSN to Metallic
FREQUENCY RESPONSE (OFF-HOOK)
2-Wire to 4-Wire
4-Wire to 2-Wire
4-Wire to 4-Wire
INSERTION LOSS
2-Wire to 4-Wire
4-Wire to 2-Wire
GAIN TRACKING
(Ref = -10dBm, at 1.0kHz)
2-Wire to 4-Wire
2-Wire to 4-Wire
4-Wire to 2-Wire
-40dBm to +3dBm (Note 21, Figure 9)
-55dBm to -40dBm (Note 21, Figure 9)
-40dBm to +3dBm (Note 22, Figure 9)
-0.1
-
-0.1
-
±0.03
-
0.1
-
0.1
dB
dB
dB
0dBm, 1kHz (Note 19, Figure 9)
0dBm, 1kHz (Note 20, Figure 9)
-0.2
-0.2
-
-
0.2
0.2
dB
dB
0dBm at 1.0kHz, E
RX
= 0V,
0.3kHz < f < 3.4kHz (Note 16, Figure 9)
0dBm at 1.0kHz, E
G
= 0V,
0.3kHz < f < 3.4kHz (Note 17, Figure 9)
0dBm at 1.0kHz, E
G
= 0V,
0.3kHz < f < 3.4kHz (Note 18, Figure 9)
-0.2
-0.2
-0.2
-
-
-
0.2
0.2
0.2
dB
dB
dB
I
RSN
= 0mA
0.3kHz < f < 3.4kHz
0.3kHz < f < 3.4kHz (Note 15, Figure 8)
-
-
980
0
-
1000
-
20
1020
V
Ω
Ratio
60
HC5526
Electrical Specifications
T
A
= 0
o
C to 70
o
C, V
CC
= 5V
±5%,
V
EE
= -5V
±5%,
V
BAT
= -28V, AGND = BGND = 0V, R
DC1
= R
DC2
= 41.2kΩ,
R
D
= 39kΩ, R
SG
=
∞,
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
-55dBm to -40dBm (Note 22, Figure 9)
MIN
-
TYP
±0.03
MAX
-
UNITS
dB
PARAMETER
4-Wire to 2-Wire
GRX = ((V
TR1
- V
TR2
)(300k))/(-3)(600)
Where: V
TR1
is the Tip to Ring Voltage with V
RSN
= 0V
and V
TR2
is the Tip to Ring Voltage with V
RSN
= -3V
V
RSN
= 0V
R
RX
TIP
27
R
L
600Ω
RSN
16
300kΩ
R
DC1
41.2kΩ
V
RSN
= -3V
R
L
600Ω
C
TIP
27
V
TX
19
R
T
600kΩ
V
TR
R
RX
V
TX
E
RX
I
DCMET
E
G
1/ωC << R
L
V
TR
R
DC2
RING
28
R
DC
14
41.2kΩ
C
DC
1.5µF
RING
28
RSN
16
300kΩ
FIGURE 8. CURRENT GAIN-RSN TO METALLIC
NOISE
Idle Channel Noise at 2-Wire
Idle Channel Noise at 4-Wire
HARMONIC DISTORTION
2-Wire to 4-Wire
4-Wire to 2-Wire
BATTERY FEED CHARACTERISTICS
Constant Loop Current Tolerance
R
DCX
= 41.2kΩ
Loop Current Tolerance (Standby)
Open Circuit Voltage (V
TIP
- V
RING
)
LOOP CURRENT DETECTOR
On-Hook to Off-Hook
Off-Hook to On-Hook
Loop Current Hysteresis
GROUND KEY DETECTOR
Tip/Ring Current Difference - Trigger
Tip/Ring Current Difference - Reset
(Note 29, Figure 11)
(Note 29, Figure 11)
R
D
= 39kΩ, 0
o
C to 70
o
C
R
D
= 39kΩ, 0
o
C to 70
o
C
R
D
= 39kΩ, 0
o
C to 70
o
C
I
L
= 2500/(R
DC1
+ R
DC2
),
0
o
C to 70
o
C (Note 27)
I
L
= (V
BAT
-3)/(R
L
+1800),
0
o
C to 70
o
C (Note 28)
0
o
C to 70
o
C, (Active)
FIGURE 9. FREQUENCY RESPONSE, INSERTION LOSS, GAIN
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