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參數(shù)資料
| 型號(hào)： | AM79R70 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Ringing Subscriber Line Interface Circuit |
| 中文描述： | 振鈴用戶線接口電路 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 271K |
| 代理商： | AM79R70 |
6
Am79R70 Data Sheet
P R E L I M I N A R Y
ABSOLUTE MAXIMUM RATINGS
Storage temperature.........................
–55°C to +150°C
V
CC
with respect to AGND/DGND .......... 0.4 V to +7 V
V
NEG
with respect to AGND/DGND ...... 0.4 V to V
BAT2
V
BAT2
....................................................V
BAT1
to GND
V
BAT1
with respect to AGND/DGND:
Continuous..................................... +0.4 V to –80 V
10 ms............................................. +0.4 V to –85 V
BGND with respect to AGND/DGND........ +3 V to –3 V
A(TIP) or B(RING) to BGND:
Continuous ...............................V
BAT1
–5 V to +1 V
10 ms (f = 0.1 Hz) ..................V
BAT1
–10 V to +5 V
1 μs (f = 0.1 Hz) .....................V
BAT1
–15 V to +8 V
250 ns (f = 0.1 Hz) ...............V
BAT1
–20 V to +12 V
Current from A(TIP) or B(RING).....................±150 mA
RYOUT1, RYOUT2 current................................75 mA
RYOUT1, RYOUT2 voltage ..................... RYE to +7 V
RYOUT1, RYOUT2 transient................. RYE to +10 V
RYE voltage........................................ BGND to V
BAT1
C3–C1, D2–D1, E1, B2EN, and RINGIN
Input voltage .........................–0.4 V to V
CC
+ 0.4 V
Maximum power dissipation, continuous,
T
A
= 70°C, No heat sink (See note):
In 32-pin PLCC package..............................1.67 W
Thermal Data:
................................................................θ
JA
In 32-pin PLCC package.......................45°C/W typ
Note:
Thermal limiting circuitry on chip will shut down the
circuit at a junction temperature of about 165°C. The device
should never see this temperature and operation above 145°C
junction temperature may degrade device reliability. See the
SLIC Packaging Considerations for more information.
Stresses above those isted 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.
OPERATING RANGES
Commercial (C) Devices
Ambient temperature.............................
0°C to +70°C*
V
CC
.....................................................4.75 V to 5.25 V
V
NEG
..................................................–4.75 V to V
BAT2
V
BAT1
....................................................–40 V to –67 V
V
BAT2
....................................................–19 V to V
BAT1
AGND/DGND.......................................................... 0 V
BGND with respect to
AGND/DGND ........................–100 mV to +100 mV
Load resistance on VTX to ground.............. 20 k
min
The Operating Ranges define those limits between which the
functionality of the device is guaranteed.
* Functionality of the device from 0
°
C to +70
°
C is guaranteed
by production testing.
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