參數(shù)資料
型號(hào)： HC5549IM
廠商： HARRIS SEMICONDUCTOR
元件分類： 模擬傳輸電路
英文描述： THERMISTOR PTC1KOHM 70 DEG 0805
中文描述： TELECOM-SLIC, PQCC28
文件頁(yè)數(shù)： 4/13頁(yè)
文件大小： 87K
代理商： HC5549IM
4-83
Ground Key Threshold
10
12
13.5
mA
o
C
Thermal Alarm Output
IC junction temperature
-
175
-
RELAY DRIVER
On Voltage
I
L
= 45 mA
-
-
0.60
V
LOGIC INPUTS (F0, F1, F2, E0, SWC)
Input Low Voltage
-
-
0.8
V
Input High Voltage
2.0
-
-
V
Input Low Current
V
IL
= 0.4V
-20
-
-
μ
A
Input High Current
V
IH
= 2.4V
-
-
5
μ
A
LOGIC OUTPUTS (DET, ALM)
Output Low Voltage
I
OL
= 5mA
I
OH
= 100
μ
A
-
-
0.4
V
Output High Voltage
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
I
CC
2.0
3.7
5.0
mA
I
BH
, BSEL = 1
-
0.375
0.600
mA
Forward or Reverse (Note 5)
I
CC
2.5
4.0
5.0
mA
I
BL
, BSEL = 0
-
1.0
2.0
mA
Forward
I
CC
3.5
4.5
6.5
mA
I
BL
, BSEL = 1
-
0.7
1.5
mA
I
BH
, BSEL = 1
-
1.0
2.0
mA
Power Denial
I
CC
0.5
3.0
5.0
mA
I
BL
, BSEL = 1 or 0
-
0.2
0.5
mA
ON HOOK POWER DISSIPATION
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
V
CC
to 2-Wire
f = 300Hz
-
40
-
dB
f = 1kHz
-
35
-
dB
f = 3.4kHz
-
28
-
dB
V
CC
to 4-Wire
f = 300Hz
-
45
-
dB
f = 1kHz
-
43
-
dB
f = 3.4kHz
-
33
-
dB
V
BL
to 2-Wire
300Hz
≤
f
≤
3.4kHz
-
30
-
dB
V
BL
to 4-Wire
300Hz
≤
f
≤
3.4kHz
-
35
-
dB
V
BH
to 2-Wire
300Hz
≤
f
≤
3.4kHz
-
33
-
dB
V
BH
to 4-Wire
300Hz
≤
f
≤
1kHz
-
40
-
dB
1kHz
<
f
≤
3.4kHz
-
45
-
dB
Electrical Specifications
Unless Otherwise Specified, T
A
= -40
o
C to 85
o
C, V
BL
= -24V, V
BH
= -48V, V
CC
= +5V, AGND = BGND = 0V, loop
current limit = 25mA. All AC Parameters are specified at 600
2-wire terminating impedance over the frequency
band of 300Hz to 3.4kHz. Protection resistors = 0
.
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
HC5549
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