4-3
Absolute Maximum Ratings
T
A
= 25
o
C
Thermal Information
Maximum Supply Voltages
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
V
CC
- V
BH
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110V
Uncommitted Switch Voltage . . . . . . . . . . . . . . . . . . . . . . . -110V
ESD (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V
Operating Conditions
Temperature Range
Commercial (C suffix) . . . . . . . . . . . . . . . . . . . . . . . . . .0
o
C to 85
o
C
Industrial (I suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
Positive Power Supply (V
CC
). . . . . . . . . . . . . . . . . . . . . . . +5V,
±
5%
Low Battery Power Supply (V
BL
). . . . . . . . . . . . . -16V to -52V,
±
5%
High Battery Power Supply (V
BH
)
AIM, CIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .V
BL
to 100V,
±
5%
BIM, DIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
BL
to -85V,
±
10%
EIM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
BL
to -75V,
±
10%
Uncommitted Switch (loop back or relay driver). . . . . . +5V to -100V
Thermal Resistance (Typical, Note 1)
PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
o
C/W
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
Die Characteristics
Substrate Potential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
BH
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 for industrial (I) grade and T
A
= 0
o
C to 85
o
C for commercial
(C) grade, V
BL
= -24V, V
BH
= -100V, -85V or -75V, 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
VRS Input Impedance (Note 2)
450
-
-
k
Differential Ringing Gain (Note 3)
VRS to 2-wire, R
LOAD
=
∞
78
80
82
V/V
Ringing Voltage Total Distortion
R
L
= 1.3 k
, V
T-R
= |V
BH
| -5
-
-
3.0
%
4-Wire to 2-Wire Ringing Off Isolation
Active mode, referenced to VRS input
-
90
-
dB
2-Wire to 4-Wire Transmit Isolation
Ringing mode referenced to the differential ringing
amplitude
-
80
-
dB
Centering Voltage Accuracy
Tip, Referenced to V
BH
/2 + 0.5
-
2.5
-
V
Ring, Referenced to V
BH
/2 + 0.5
-
2.5
-
V
AC TRANSMISSION PARAMETERS
Receive Input Impedance (Note 2)
160
-
-
k
Transmit Output Impedance (Note 2)
-
-
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
-
24
-
dB
1kHz
-
40
-
dB
3.4kHz
-
21
-
dB
2-Wire Longitudinal Balance (Notes 4, 5)
Forward Active, Grade A and B
58
62
-
dB
Forward Active, Grade C, D and E
53
59
-
dB
4-Wire Longitudinal Balance
Forward Active, Grade A and B
58
67
-
dB
Forward Active, Grade C, D and E
53
64
-
dB
HC55185