HC5515 查看數據表（PDF） - Intersil
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HC5515 Datasheet PDF : 17 Pages
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HC5515
Electrical Specifications
PARAMETER
4-Wire to 2-Wire
TA = -40oC to 85oC, VCC = +5V ±5%, VEE = -5V ±5%, VBAT = -48V, AGND = BGND = 0V, RDC1 = RDC2 = 41.2kΩ,
RD = 39kΩ, RSG = 0Ω, RF1 = RF2 = 0Ω, CHP = 10nF, CDC = 1.5µF, ZL = 600Ω, Unless Otherwise Specified. All pin
number references in the figures refer to the 28 lead PLCC package. (Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
-55dBm to -40dBm (Note 22, Figure 9)
-0.2
-
0.2
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
RL
600Ω
EG
1/ωC < RL
C
IDCMET
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)
-
8.5
-
dBrnC
Psophometrical Weighting
(Note 23, Figure 10)
-
-81.5
-
dBrnp
Idle Channel Noise at 4-Wire
C-Message Weighting (Note 24, Figure 10)
-
8.5
-
dBrnC
Psophometrical Weighting
(Note 23, Figure 10)
-
-81.5
-
dBrnp
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
I-L40=o2C5t0o08/(5RoDCC(1N+otReD2C72)),
-IL40=o(CVBtoAT8-53o)C/(R(NLo+t1e82080)),
-40oC to 85oC, (Active) RSG = ∞
RD = 33kΩ, -40oC to 85oC
RD = 33kΩ, -40oC to 85oC
RD = 33kΩ, -40oC to 85oC
0.85IL
IL
1.15IL
mA
0.75IL
IL
1.25IL
mA
14
16.67
20
V
11
465/RD
17.2
mA
9.5
405/RD
15.0
mA
-
60/RD
-
mA
TIP
VTX
27
19
RL
600Ω VTR
RING RSN
28
16
RT
600kΩ
VTX
RRX
300kΩ
FIGURE 10. IDLE CHANNEL NOISE
59
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