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參數(shù)資料
| 型號(hào)： | TEA7063 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | SPEECH CIRCUIT WITH POWER MANAGEMENT |
| 中文描述： | 語音電路電源管理 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大?。?/td> | 228K |
| 代理商： | TEA7063 |
I
int
min (IL = 6mA) = 4 /56K + 60 =130
μ
A
I
int
min (IL = ILb) = 8 /56K + 60 = 200
μ
A
Vpin17 = 2.5V
R6 = 18K
Vpin16min(IL = 6mA) =2.5+ 18
130E-3 = 4.85V
Vpin16max(IL = ILb)= 2.5+ 18
200E- 3 = 6.1V
Current Sources
I
up
min (IL = 6mA) = 0.5mA
I
up
max (IL = ILb) = 2.5mA
I
ear
min (IL = 6mA) = 0.55mA
I
ear
max (IL = ILb) = 7.5mA
with R
Z
= 75
I
tr
min (IL = 6mA) = 2.35mA
I
tr
max (IL = ILb) = 4.5mA
ILS min (IL = 6mA) = 1.17mA
ILb
ILb =2.5
+
7.5
+
4.5
+
0.2
+
1.3
0.715
mA
ILb = 22.4mA
ILS (for IL = ILb) = 0.285
ILb = 6.4mA
at IL = 100mA:
(ILS) = 0.91
(IL) = 0.91
(100 - 22.6) = 64mA
ILS = 6.4 + 64 = 70.4mA
Figure10:
Line Power Supply Management
TEA7063
12/15
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