HC5549(1999) View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
HC5549 Datasheet PDF : 13 Pages
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HC5549
Electrical Specifications
Unless Otherwise Specified, TA = -40oC to 85oC, VBL = -24V, VBH = -48V, VCC = +5V, AGND = BGND = 0V, loop
current limit = 25mA. All AC Parameters are specified at 600Ω 2-wire terminating impedance over the frequency
band of 300Hz to 3.4kHz. Protection resistors = 0Ω. (Continued)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
Ground Key Threshold
Thermal Alarm Output
IC junction temperature
10
12
13.5 mA
-
175
-
oC
RELAY DRIVER
On Voltage
LOGIC INPUTS (F0, F1, F2, E0, SWC)
IL = 45 mA
-
-
0.60
V
Input Low Voltage
-
-
0.8
V
Input High Voltage
2.0
-
-
V
Input Low Current
Input High Current
LOGIC OUTPUTS (DET, ALM)
VIL = 0.4V
VIH = 2.4V
-20
-
-
-
-
µA
5
µA
Output Low Voltage
IOL = 5mA
-
-
0.4
V
Output High Voltage
IOH = 100 µA
2.4
-
-
V
SUPPLY CURRENTS (Supply currents not listed are considered negligible and do not contribute significantly to total power dissipation. All
measurements made under open circuit load conditions.)
Low Power Standby
Forward or Reverse (Note 5)
Forward
Power Denial
ON HOOK POWER DISSIPATION
ICC
IBH, BSEL = 1
ICC
IBL, BSEL = 0
ICC
IBL, BSEL = 1
IBH, BSEL = 1
ICC
IBL, BSEL = 1 or 0
2.0
3.7
5.0
mA
-
0.375 0.600 mA
2.5
4.0
5.0
mA
-
1.0
2.0
mA
3.5
4.5
6.5
mA
-
0.7
1.5
mA
-
1.0
2.0
mA
0.5
3.0
5.0
mA
-
0.2
0.5
mA
Forward or Reverse
BSEL = 0
-
44
60
mW
Forward or Reverse
BSEL = 1
-
90
150 mW
Low Power Standby
BSEL = 1
-
37
60
mW
OFF HOOK POWER DISSIPATION
Forward or Reverse
BSEL = 0
-
290 310 mW
POWER SUPPLY REJECTION RATIO
VCC to 2-Wire
f = 300Hz
f = 1kHz
-
40
-
dB
-
35
-
dB
f = 3.4kHz
-
28
-
dB
VCC to 4-Wire
f = 300Hz
f = 1kHz
-
45
-
dB
-
43
-
dB
f = 3.4kHz
-
33
-
dB
VBL to 2-Wire
VBL to 4-Wire
VBH to 2-Wire
VBH to 4-Wire
300Hz ≤ f ≤ 3.4kHz
300Hz ≤ f ≤ 3.4kHz
300Hz ≤ f ≤ 3.4kHz
300Hz ≤ f ≤ 1kHz
1kHz < f ≤ 3.4kHz
-
30
-
dB
-
35
-
dB
-
33
-
dB
-
40
-
dB
-
45
-
dB
4-83
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