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
文件頁數(shù)： 3/13頁
文件大?。?/td> 87K
代理商： HC5549IM
4-82
Absolute Maximum Ratings
T
A
= 25
o
C
Thermal Information
Maximum Supply Voltages
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
V
CC
- V
BAT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V
Uncommitted Switch Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . -80V
ESD (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V
Operating Conditions
Temperature Range
Industrial (I suffix). . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
Commercial (C suffix). . . . . . . . . . . . . . . . . . . . . . . . 0
o
C to 75
o
C
Positive Power Supply (V
CC
). . . . . . . . . . . . . . . . . . . . . . . +5V
±
5%
Negative Power Supply (V
BH
, V
BL
) (180, 181, 182) . . -16V to -80V
Uncommitted Switch (loop back or relay driver). . . . . . . +5V to -80V
Thermal Resistance (Typical, Note 1)
PLCC Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature Plastic . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range. . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
o
C
(PLCC - Lead Tips Only)
θ
JA
(
o
C/W)
53
Die Characteristics
Substrate Potential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
BAT
Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bipolar-DI
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
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
.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
RINGING PARAMETERS
VRB Input Impedance
480
-
-
k
AC TRANSMISSION PARAMETERS
(Forward Active and Reverse Active, BSEL = 0, unless otherwise specified.)
Receive Input Impedance
160
-
-
k
Transmit Output Impedance
-
-
1
4-Wire Port Overload Level
THD = 1%
3.1
3.5
-
V
PK
2-Wire Port Overload Level
THD = 1%
3.1
3.5
-
V
PK
2-Wire Return Loss
300Hz
≤
f
<
1kHz
30
45
-
dB
1kHz
≤
f
≤
3.4kHz
35
45
-
dB
Longitudinal Current Capability (Per Wire)
Test for False Detect
-
20
-
mA
RMS
TestforFalseDetect,LowPowerStandby,BSEL=0
-
10
-
mA
RMS
2-Wire Longitudinal Balance
Tested per IEEE455-1985, with 368
per wire.
53
-
-
dB
4-Wire Longitudinal Balance
Tested per IEEE455-1985, with 368
per wire.
59
-
-
dB
4-Wire to 4-Wire Insertion Loss
-6.22
-6.02
-5.82
dB
2-Wire to 4-Wire Level Linearity
4-Wire to 2-Wire Level Linearity
Referenced to -10dBm
+3 to -40dBm, 1kHz
-
0.025
-
dB
-40 to -50dBm, 1kHz
-
0.050
-
dB
-50 to -55dBm, 1kHz
-
0.100
-
dB
Idle Channel Noise 2-Wire
C-Message
-
16
19
dBrnC
Psophometric
-
-74
-71
dBmp
DC PARAMETERS
Loop Current Limit Programming Range
Max Low Battery = -52V, BSEL = 0
15
-
45
mA
Loop Current Accuracy
I
L
= 25mA, BSEL = 0
-
-
10
%
Loop Current During Low Power Standby
Forward polarity only.
17
-
26
mA
Open Circuit Voltage
(|Tip - Ring|)
BSEL = 0
14
15.5
17
V
BSEL = 1
37.5
40
42.5
V
Low Power Standby Open Circuit Voltage (Tip - Ring)
BSEL = 1
43
45
47
V
Ring Trip Programming Current Accuracy
-
-
10
%
HC5549
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