HC5520 データシートの表示（PDF） - Harris Semiconductor
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HC5520 Datasheet PDF : 20 Pages
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HC5520
Electrical Specifications Unless Otherwise Specified: Typical Parameters are at TA = 25oC, VCC = +5V, VEE = -5V, VBAT = -48V,
AGND = BGND = RGND = 0V, Min-Max Parameters are Over Power Supply and Operating Temperature Range. All Transmission Parame-
ters are Specified at 600Ω 2-Wire Terminating Impedance with 0dB transmit and receive gain. (Continued)
CONDITIONS
VRING
PARAMETER
MODE LOAD
normal Open
reverse
VBAT
-48V
OTHER
CONDITIONS
VTIP
normal Open
reverse
-42V
VRING
normal Open
reverse
-42V
BATTERY FEED CHARACTERISTICS - LOOP CURRENT (Figure 5)
Normal Loop Current
normal 1800Ω
reverse
-42V
Normal Loop Current
normal 1800Ω
reverse
-48V
Short Circuit Loop Current Limit
normal 100Ω
reverse
-48V
LOOP SUPERVISION - SWITCH HOOK DETECTION (Figure 6)
Off-Hook Detection
normal
reverse
-48V
LOOP SUPERVISION - DIAL PULSE DISTORTION (Figure 7)
Dial Pulse Distortion
normal 100Ω -58V
Dial Pulse Distortion
normal 1800Ω -42V
25oC
25oC
LOOP SUPERVISION - RING TRIP DETECTION (Figure 8)
Ring Trip Detect
Ringing 1800Ω -42V
+1REN 60VRMS
Ring Trip Non-Detect
Ringing 3REN// -58V
20KΩ 90VRMS
LOOP SUPERVISION - POLARITY REVERSAL TIME (Figure 9)
Polarity Reversal Time
normal
to
reverse
1800Ω
-42V
Polarity Reversal Time
reverse
to
normal
1800Ω
-42V
LOOP SUPERVISION - DIGITAL INTERFACE
Input Low Voltage, VIL
All Digital Inputs
Input High Voltage, VIH
All Digital Inputs
Input Low Current, IIL
AGND < VIN < VIL
Input High Current, IIH
VIH < VIN < VCC
Output Low Voltage, VOL
1 LSTTL Load
Output High Voltage, VOH
1 LSTTL Load
Relay Driver Output Low Voltage, VOL VCC = 4.75V, Load = 35mA
Relay Driver Output High Current, IOH VCC = 5.25V
FREQ/
LEVEL
MIN TYP MAX UNITS
-45.54 -43.80 -42.50 V
-6.00 -4.26 -2.00
V
-5.00 -3.68 -2.46
V
-40.00 -38.12 -37.00 V
-39.54 -38.34 -37.00 V
-5.00 -3.78 -2.00
V
14.5 16.5 19.0 mA
14.5 16.3 19.0 mA
18.0 18.8 22.0 mA
18.0 18.6 22.0 mA
22.0 26.4 42.0 mA
22.0 27.0 42.0 mA
2.4K 4.6K 9K
Ω
-
0.1
3
%
-
0.1
3
%
-
-
150
ms
20K
-
-
Ω
-
0.04 10
ms
-
0.04 10
ms
-
-
0.8
V
2.0
-
-
V
-20
-
-
µA
-
0
+10
µA
-
-
0.4
V
2.4
-
-
V
-
0.4
0.8
V
-
-
10
µA
3
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