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| 型號(hào)： | ISL54210IRTZ-T |
| 廠商： | Intersil |
| 文件頁(yè)數(shù)： | 5/21頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH DUAL SPDT HS 10-TDFN |
| 標(biāo)準(zhǔn)包裝： | 6,000 |
| 功能： | 開(kāi)關(guān) |
| 電路： | 2 x SPDT |
| 導(dǎo)通狀態(tài)電阻： | 35 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 3.6 V |
| 電流 - 電源： | 7µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-VFDFN 裸露焊盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 10-TDFN/MLP（3x3） |
| 包裝： | 帶卷 (TR) |
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13
FN6661.2
March 18, 2010
speaker loads during power-up and power-down. See
Figure 30 in the “Typical Performance Curves” on
AC-COUPLED CLICK AND POP OPERATION
Single supply audio drivers have their signal biased at a
DC offset voltage (usually at 1/2 the DC supply voltage of
the driver). As this DC bias voltage comes up or goes
down during power-up or power-down of the driver, a
transient can be coupled into the speaker load through
the DC blocking capacitor (see the“Typical Application
When a driver is OFF and then turned ON, the rapidly
changing DC bias voltage at the output of the driver will
cause an equal voltage at the input side of the switch due
to the fact that the voltage across the blocking capacitor
cannot change instantly. If the switch is in the Audio
mode or there is no low impedance path to discharge the
blocking capacitor voltage at the input of the switch,
before turning on the audio switch, a transient discharge
will occur in the speaker, generating a click/pop noise.
Proper elimination of a click/pop transient at the
speaker loads while powering up or down of the audio
drivers requires that the ISL54210 have its click/pop
circuitry activated by putting the part in the Mute
mode. This allows the transients generated by the
audio drivers to be discharged through the click and
pop shunt circuitry.
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
“Typical Performance Curves” page 17.
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
r ON
(Ω
)
VCOM (V)
2.50
2.55
2.60
2.65
2.70
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
VDD = 3.0V
VDD = 3.6V
VDD = 4.3V
VDD = 3.3V
ICOM = 40mA
VDD = 4.3V
VDD = 3.3V
r ON
(
Ω
)
VCOM (V)
2.0
2.4
2.8
3.2
3.6
4.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
VDD = 2.5V
VDD = 2.7V
VDD = 3.6V
ICOM = 40mA
ISL54210
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL54211IRTZ-T | IC SWITCH DUAL SPDT HS 10-TDFN |
| ISL54212IRTZ-T | IC USB SWITCH DUAL SPDT 10TDFN |
| ISL54213IRTZ-T | IC USB SWITCH DUAL SPDT 10TDFN |
| ISL54214IRUZ-T | IC USB SWITCH DUAL SP3T 12UTQFN |
| ISL54215IRUZ-T | IC USB SWITCH DUAL SPDT 10UTQFN |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL54210IRUZ-T | 功能描述:IC SWITCH HS DUAL SPDT 10-TQFN RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:視頻交叉點(diǎn)開(kāi)關(guān) 電路:1 x 8:6 導(dǎo)通狀態(tài)電阻:- 電壓電源:單電源 電壓 - 電源，單路/雙路(±):3.135 V ~ 5.25 V 電流 - 電源:55mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:24-TSSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁(yè)面:1214 (CN2011-ZH PDF) 其它名稱:FMS6502MTC24XTR |
| ISL54211 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:MP3/USB 2.0 High Speed Switch with Negative Signal Handling/Click and Pop Suppression |
| ISL54211EVAL1Z | 功能描述:EVAL BOARD 1 FOR ISL54211 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| ISL54211IRTZ | 功能描述:IC SWITCH DUAL SPDT HS 10-TDFN RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 應(yīng)用說(shuō)明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:250 系列:- 功能:開(kāi)關(guān) 電路:單刀單擲 導(dǎo)通狀態(tài)電阻:48 歐姆 電壓電源:單電源 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電流 - 電源:5µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:托盤(pán) |
| ISL54211IRTZ-T | 功能描述:IC SWITCH DUAL SPDT HS 10-TDFN RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:36 系列:- 功能:多路復(fù)用器 電路:2 x 4:1 導(dǎo)通狀態(tài)電阻:75 歐姆 電壓電源:單/雙電源 電壓 - 電源，單路/雙路(±):2 V ~ 12 V，±2 V ~ 6 V 電流 - 電源:- 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:20-SOIC W 包裝:管件 |
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