am7945 Advanced Micro Devices, am7945 Datasheet - Page 5
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am7945
Manufacturer Part Number
am7945
Description
Subscriber Line Interface Circuit
Manufacturer
Advanced Micro Devices
Datasheet
1.AM7945.pdf
(18 pages)
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ABSOLUTE MAXIMUM RATINGS
Storage temperature . . . . . . . . . . . . –55°C to +150°C
With respect to AGND/DGND:
V
V
V
BGND. . . . . . . . . . . . . . . . . . . . . . . . . . . .+3 V to –3 V
A(TIP) or B(RING) with respect to BGND:
Current from A(TIP) or B(RING). . . . . . . . . . ±150 mA
Current from TMG . . . . . . . . . . . . . . . . . . . . . 100 mA
Voltage on RINGOUT:
Current through relay drivers . . . . . . . . . . . . . . 60 mA
DA and DB inputs
C3–C1, E0, E1
Maximum power dissipation, T
No heat sink (See note):
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note: Thermal limiting circuitry on chip will shut down the cir-
cuit at a junction temperature of about 165°C. The device
should never be exposed to this temperature. Operation above
145°C junction temperature may degrade device reliability.
See the SLIC Packaging Considerations for more information.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent device failure. Functionality at or above
these limits is not implied. Exposure to Absolute Maximum
Ratings for extended periods may affect device reliability.
CC
EE
BAT
Continuous . . . . . . . . . . . . . . . . . . +0.4 V to –70 V
10 ms . . . . . . . . . . . . . . . . . . . . . . +0.4 V to –75 V
Continuous . . . . . . . . . . . . . . . . . . . .–70 V to +1 V
10 ms (f = 0.1 Hz) . . . . . . . . . . . . . . . –70 V to +5 V
1 ms (f = 0.1 Hz) . . . . . . . . . . . . . . . . –80 V to +8 V
10 µs (f = 0.1 Hz) . . . . . . . . . . . . .–100 V to +12 V
During transient . . . . . . . . . . . . . . BGND to +10 V
During steady state . . . . . . . . . . . . . BGND to +7 V
Voltage on ring-trip inputs . . . . . . . . . . .V
Current into ring-trip inputs . . . . . . . . . . . . ±10 mA
to AGND/DGND . . . . . . . . . –0.4 V to V
In 32-pin PLCC package. . . . . . . . . . . . . . . . 1.4 W
In 32-pin PLCC package. . . . . . . . . . . .43°C/W typ
. . . . . . . . . . . . . . . . . . . . . . . . . . .–0.4 V to +7.0 V
. . . . . . . . . . . . . . . . . . . . . . . . . . .+0.4 V to –7.0 V
A
= 85°C
CC
BAT
+ 0.4 V
to 0 V
SLIC Products
JA
OPERATING RANGES
Commercial (C) Devices
Ambient temperature . . . . . . . . . . . . . . 0°C to +70°C*
V
V
V
AGND/DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V
BGND with respect to
Load resistance on VTX to GND . . . . . . . . 10 k min
The Operating Ranges define those limits over which the
functionality of the device is guaranteed by production testing.
* Functionality of the device from 0 C to +70 C is guaranteed
by production testing. Performance from –40°C to +85°C is
guaranteed by characterization and periodic sampling of pro-
duction units.
CC
EE
BAT
AGND/DGND . . . . . . . . . . . –100 mV to +100 mV
. . . . . . . . . . . . . . . . . . . . . . . . . . .4.75 V to 5.25 V
. . . . . . . . . . . . . . . . . . . . . . . . .–4.75 V to –5.25 V
. . . . . . . . . . . . . . . . . . . . . . . . . –19 V to –56.5 V
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