HC55130IBZ 查看數據表（PDF） - Intersil
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HC55130IBZ Datasheet PDF : 36 Pages
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Electrical Specifications
TA = -40°C to 85°C, VCC = +5V ±5%, VBH = -48V, VBL = -24V, PTG = Open, RP1 = RP2 = 0Ω, ZT = 120kΩ, RLIM = 38.3kΩ, RD = 50kΩ, RDC_RAC = 20kΩ,
ROH = 40kΩ, CH = 0.1µF, CDC = 4.7µF, CRT/REV = 0.47µF, GND = 0V, RL = 600Ω. Unless Otherwise Specified. (•) Symbol used to indicate the test
applies to the part. (NA) symbol used to indicate the test does not apply to the part.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
HC55120 HC55121 HC55130/1 HC55140/1 HC55142/3 HC55150/1
2-WIRE PORT
Overload Level, Off Hook
Forward and Reverse
Overload Level, On Hook
Forward and Reverse
1% THD, IDCMET ≥ 18mA
(Note 2, Figure 1)
1% THD, IDCMET ≤ 5mA
(Note 3, Figure 1)
3.2
-
-
VPEAK
Forward
Only
•
Forward
Only
•
•
•
1.3
-
-
VPEAK
Forward
Only
•
Forward
Only
•
•
•
Input Impedance (Into Tip and Ring)
- ZT/200 -
Ω
•
•
•
•
•
•
Longitudinal Impedance (Tip, Ring) 0 < f < 100Hz (Note 4, Figure 2)
Forward and Reverse
-
0
-
Ω/Wire
Forward
Only
•
Forward
Only
•
•
•
LONGITUDINAL CURRENT LIMIT (TIP, RING)
On-Hook, Off-Hook (Active),
No False Detections, (Loop
28
-
- mARMS/Wire Forward
Forward
RL = 736Ω
Current), LB > 45dB (Notes 5, 6,
Only
•
Only
•
•
•
Forward and Reverse
Figures 3A, 3B)
VTR
RL
IDCMET
TIP
VTX
ERX
RING VRX
FIGURE 1. OVERLOAD LEVEL (OFF HOOK, ON HOOK)
1VRMS
AT
TIP
VTX
0 < f < 100Hz
EL C
300Ω
VT
300Ω
AR
VR
RING
VRX
LZT = VT/AT
LZR = VR/AR
FIGURE 2. LONGITUDINAL IMPEDANCE
368Ω
A TIP
VTX
10µF C
EL
10µF C
368Ω
A RING VRX
SHD
FIGURE 3A. LONGITUDINAL CURRENT LIMIT ON-HOOK (ACTIVE)
368Ω
A TIP
VTX
C
VTX
EL
368Ω
A RING VRX
SHD
FIGURE 3B. LONGITUDINAL CURRENT LIMIT OFF-HOOK (ACTIVE)
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