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参数资料
| 型号： | ILA1068N |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Versatile Telephone Transmission Circuit with Dialler Interface |
| 中文描述： | 多功能电话传输电路拨号器接口 |
| 文件页数： | 6/11页 |
| 文件大小： | 352K |
| 代理商： | ILA1068N |
ILA1068
6
Figure 4. Equivalent circuit of an anti-side-tone network in a Wheatstone bridge configuration.
MAXIMUM RATINGS
*
Symbol
Parameter
Condition
Min
Max
Unit
I
line
Line current
Input 01
-
140
mA
Tstg
Storage temperature
-40
+85
°
C
°
C
T
L
Lead Temperature, 1.0 mm from
Case for 4 Seconds
265
*
Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the Recommended Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Conditions
Min
Max
Unit
I
line
Operating line current
normal operation
10
140
mA
A
U1
Voltage gain
microphone amplifier
ILA1068A
ILA1068B
51
45.5
53
59
dB
A
U2
Voltage gain
multi-frequency
ILA1068A
ILA1068B
24.5
18.5
26.5
32.5
dB
A
U3
Voltage gain
receiving amplifier
ILA1068A
ILA1068B
24
18
26
32
dB
T
amb
Operating ambient
temperature
-25
+70
°
C
This device contains protection circuitry to guard against damage due to high static voltages or electric
fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages
to this high-impedance circuit. For proper operation, V
IN
and V
OUT
should be constrained to the range GND
≤
(V
IN
or
V
OUT
)
≤
V
CC
.
Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or V
CC
). Unused
outputs must be left open.
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