4
Absolute Maximum Ratings T
A
= 25°C Thermal Information
Maximum Supply Voltages
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
V
CC
- V
BAT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85V
Uncommitted Switch Voltage . . . . . . . . . . . . . . . . . . . . . . . . -110V
Maximum Tip/Ring Negative Voltage Pulse (Note 17). . . . . . . -115V
Maximum Tip/Ring Positive Voltage Pulse (Note 17). . . . . . . . . . .8V
ESD (Human Body Model). . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V
Operating Conditions
Temperature Range
Commercial (C Suffix) . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Positive Power Supply (V
CC
). . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Negative Power Supply (V
BH
, V
BL
) . . . . . . . . . . . . . . -24V to -75V
Uncommitted Switch (loop back or relay driver) . . . . . +5V to -100V
Thermal Resistance (Typical, Note 1) θ
JA
(°C/W)
PLCC Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Maximum Junction Temperature Plastic . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range. . . . . . . . . -65°C to +150°C
Pb-Free Reflow Profilesee link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Die Characteristics
Substrate Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
BAT
Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bipolar-DI
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact
product reliability and result in failures not covered by warranty.
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
= 0°C to +70°C, V
BL
= -24V, V
BH
= -85V or -75V, V
CC
= +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. These parameters apply
generically to each product offering.
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
RINGING PARAMETERS (Note 2)
VRS Input Impedance (Note 3) 480 - - kΩ
Differential Ringing Gain VRS to 2-Wire, R
LOAD
= ∞ (Note 4) 78 80 82 V/V
4-Wire to 2-Wire Ringing Off Isolation Active mode, referenced to VRS input. - 60 - dB
2-Wire to 4-Wire Transmit Isolation Ringing mode referenced to the differential ringing
amplitude.
-60- dB
AC TRANSMISSION PARAMETERS (Notes 5, 6)
Receive Input Impedance (Note 3) 160 - - kΩ
Transmit Output Impedance (Note 3) --1Ω
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 f = 300Hz - 26 - dB
f = 1kHz - 32 - dB
f = 2.3kHz - 21 - dB
f = 3.4kHz - 17 - dB
Longitudinal Current Capability (Per Wire) (Note 3) Test for False Detect 20 - - mA
RMS
Test for False Detect, Low Power Standby 10 - - mA
RMS
4-Wire to 2-Wire Insertion Loss -0.20 0.0 +0.30 dB
2-Wire to 4-Wire Insertion Loss -6.22 -6.02 -5.82 dB
4-Wire to 4-Wire Insertion Loss -6.32 -6.02 -5.82 dB
Idle Channel Noise 2-Wire C-Message - 16 19 dBrnC
Psophometric - -73.5 -71 dBmp
Idle Channel Noise 4-Wire C-Message - 10 13 dBrnC
Psophometric - -79.5 -77 dBmp
HC55183, HC55184
