HC5526(2003) Просмотр технического описания (PDF) - Intersil
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HC5526 Datasheet PDF : 20 Pages
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HC5526
Electrical Specifications
PARAMETER
4-Wire to 2-Wire
TA = 0oC to 70oC, VCC = 5V ±5%, VEE = -5V ±5%, VBAT = -28V, AGND = BGND = 0V, RDC1 = RDC2 = 41.2kΩ,
RD = 39kΩ, RSG = ∞, RF1 = RF2 = 0Ω, CHP = 10nF, CDC = 1.5µF, ZL = 600Ω. (Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
-55dBm to -40dBm (Note 22, Figure 9)
-
±0.03
-
dB
GRX = ((VTR1- VTR2)(300k))/(-3)(600)
Where: VTR1 is the Tip to Ring Voltage with VRSN = 0V
and VTR2 is the Tip to Ring Voltage with VRSN = -3V VRSN = 0V
TIP RSN
27
16
RRX
300kΩ
VRSN = -3V
RL
600Ω
VTR
RDC1
41.2kΩ
RING RDC
28
14
RDC2
41.2kΩ
CDC
1.5µF
C
RL
600Ω
IDCMET
EG
1/ωC << RL
TIP
VTX
27
19
VTR
RING RSN
28
16
RT
600kΩ
VTX
RRX
ERX
300kΩ
FIGURE 8. CURRENT GAIN-RSN TO METALLIC
FIGURE 9. FREQUENCY RESPONSE, INSERTION LOSS, GAIN
TRACKING AND HARMONIC DISTORTION
NOISE
Idle Channel Noise at 2-Wire
C-Message Weighting (Note 23, Figure 10)
-
10
-
dBrnC
Idle Channel Noise at 4-Wire
C-Message Weighting (Note 24, Figure 10)
-
10
-
dBrnC
HARMONIC DISTORTION
2-Wire to 4-Wire
0dBm, 1kHz (Note 25, Figure 7)
-
-65
-54
dB
4-Wire to 2-Wire
0dBm, 0.3kHz to 3.4kHz (Note 26,
Figure 9)
-
-65
-54
dB
BATTERY FEED CHARACTERISTICS
Constant Loop Current Tolerance
RDCX = 41.2kΩ
Loop Current Tolerance (Standby)
Open Circuit Voltage (VTIP - VRING)
LOOP CURRENT DETECTOR
On-Hook to Off-Hook
Off-Hook to On-Hook
Loop Current Hysteresis
GROUND KEY DETECTOR
I0Lo=C
2to50700/o(RCD(CN1ot+e
RDC2),
27)
IL = (VBAT-3)/(RL +1800),
0oC to 70oC (Note 28)
0oC to 70oC, (Active)
RD = 39kΩ, 0oC to 70oC
RD = 39kΩ, 0oC to 70oC
RD = 39kΩ, 0oC to 70oC
0.9IL
IL
1.1IL
mA
0.8IL
IL
1.2IL
mA
14
-
20
V
372/RD 465/RD 558/RD
mA
325/RD 405/RD 485/RD
mA
25/RD
60/RD
95/RD
mA
Tip/Ring Current Difference - Trigger
(Note 29, Figure 11)
8
12
17
mA
Tip/Ring Current Difference - Reset
(Note 29, Figure 11)
3
7
12
mA
7
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