FN6817.4 June 17, 2010 Once the driver DC bias has reached VDD/2 and the transient on the switch side of the DC blocking capacitor has been dis" />
參數(shù)資料
型號: ISL54217EVAL1Z
廠商: Intersil
文件頁數(shù): 6/24頁
文件大小: 0K
描述: EVALUATION BOARD FOR ISL54217
標準包裝: 1
主要目的: 接口,3:1 多路復用器
嵌入式:
已用 IC / 零件: ISL54217
主要屬性: 2 x SP3T 模擬開關(guān)
次要屬性: 2.7 V ~ 4.6 V 電源
已供物品:
14
FN6817.4
June 17, 2010
Once the driver DC bias has reached VDD/2 and the
transient on the switch side of the DC blocking capacitor
has been discharged to ground through the click/pop
shunt circuitry, the audio switches can be turned ON and
connected through to the speaker loads without
generating any undesirable click/pop noise in the
speakers.
With a typical DC blocking capacitor of 220F and the
click/pop shunt circuitry designed to have a resistance
of 20Ω to 70Ω, allowing a 100ms wait time to discharge
the transient before placing the switch in the Audio
mode will prevent the transient from getting through
to the speaker load. See Figures 30 and 31 in the
“Typical Performance Curves” section.
Typical Performance Curves T
A = +25°C, Unless Otherwise Specified
FIGURE 10. AUDIO ON-RESISTANCE vs SUPPLY
VOLTAGE vs SWITCH VOLTAGE
FIGURE 11. AUDIO ON-RESISTANCE vs SUPPLY
VOLTAGE vs SWITCH VOLTAGE
FIGURE 12. AUDIO ON-RESISTANCE vs SUPPLY
VOLTAGE vs SWITCH VOLTAGE
FIGURE 13. AUDIO ON-RESISTANCE vs SWITCH
VOLTAGE vs TEMPERATURE
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
r ON
(Ω
)
VCOM (V)
ICOM = 60mA
VDD = 3.6V
VDD = 2.7V
VDD = 4.6V
2.48
2.50
2.52
2.54
2.56
2.58
2.60
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
r ON
(Ω
)
VCOM (V)
VDD = 4.6V
VDD = 3.6V
VDD = 3.3V
VDD = 3.0V
VDD = 4.0V
ICOM = 60mA
0
2
4
6
8
10
12
14
16
18
-1.5
-0.5
0.5
1.5
2.5
3.5
4.6
VDD = 4.6V
VDD = 3.0V
r ON
(Ω
)
VCOM (V)
ICOM = 60mA
VDD = 3.6V
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
r ON
(
Ω
)
VCOM (V)
VDD = 3.0V
+85°C
+25°C
-40°C
ICOM = 60mA
ISL54217
相關(guān)PDF資料
PDF描述
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