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| 型号： | ISL8484IRZ-T |
| 厂商： | Intersil |
| 文件页数： | 13/13页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH DUAL SPDT 10TDFN |
| 标准包装： | 1 |
| 功能： | 开关 |
| 电路： | 2 x SPDT |
| 导通状态电阻： | 500 毫欧 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.65 V ~ 4.5 V |
| 电流 - 电源： | 100nA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN/MLP（3x3） |
| 包装： | 剪切带 (CT) |
| 其它名称： | ISL8484IRZ-TCT |
9
FN6128.5
May 12, 2008
An OFF switch acts like a capacitor and passes higher
frequencies with less attenuation, resulting in signal
feedthrough from a switch’s input to its output. Off Isolation is
the resistance to this feedthrough, while crosstalk indicates
the amount of feedthrough from one switch to another.
Figure 23 details the high off isolation and crosstalk rejection
provided by this part. At 100kHz, off isolation is about 62dB
in 50
Ω systems, decreasing approximately 20dB per decade
as frequency increases. Higher load impedances decrease
off isolation and crosstalk rejection due to the voltage divider
action of the switch OFF impedance and the load
impedance.
Leakage Considerations
Reverse ESD protection diodes are internally connected
between each analog-signal pin and both V+ and GND. One of
these diodes conducts if any analog signal exceeds V+ or
GND.
Virtually all the analog leakage current comes from the ESD
diodes to V+ or GND. Although the ESD diodes on a given
signal pin are identical and therefore fairly well balanced,
they are reverse biased differently. Each is biased by either
V+ or GND and the analog signal. This means their leakages
will vary as the signal varies. The difference in the two diode
leakages to the V+ and GND pins constitutes the
analog-signal-path leakage current. All analog leakage
current flows between each pin and one of the supply
terminals, not to the other switch terminal. This is why both
sides of a given switch can show leakage currents of the
same or opposite polarity. There is no connection between
the analog signal paths and V+ or GND.
Typical Performance Curves TA = +25°C, Unless Otherwise Specified.
FIGURE 10. ON-RESISTANCE vs SUPPLY VOLTAGE vs
SWITCH VOLTAGE
FIGURE 11. ON-RESISTANCE vs SUPPLY VOLTAGE vs
SWITCH VOLTAGE
FIGURE 12. ON-RESISTANCE vs SUPPLY VOLTAGE vs
SWITCH VOLTAGE
FIGURE 13. ON-RESISTANCE vs SWITCH VOLTAGE
01
234
5
r ON
(Ω
)
VCOM (V)
ICOM = 100mA
0.25
0.26
0.27
0.28
0.29
0.30
V+ = 4.5V
V+ = 4.3V
V+ = 3.9V
r ON
(
Ω
)
VCOM (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
ICOM = 100mA
0.28
0.29
0.3
0.31
0.32
0.33
0.34
0.35
V+ = 3.3V
V+ = 3V
V+ = 2.7V
0
0.5
1.0
1.5
2.0
r ON
(
Ω
)
VCOM (V)
ICOM = 100mA
0.30
0.35
0.40
0.45
0.50
0.55
0.60
0.65
0.70
V+ = 2V
V+ = 1.65V
V+ = 1.8V
0
1.0
2.0
3.0
4.0
5.0
r ON
(
Ω
)
VCOM (V)
V+ = 4.3V
ICOM = 100mA
+85°C
-40°C
+25°C
0.20
0.25
0.30
0.35
ISL8484
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| ISL8484IU | 功能描述:IC SWITCH DUAL SPDT 10MSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:- 电路:2 x SPST 导通状态电阻:20 欧姆 电压电源:单电源 电压 - 电源，单路/双路(±):3 V ~ 5.5 V 电流 - 电源:4.1mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:带卷 (TR) |
| ISL8484IU-T | 功能描述:IC SWITCH DUAL SPDT 10MSOP RoHS:否 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:- 电路:2 x SPST 导通状态电阻:20 欧姆 电压电源:单电源 电压 - 电源，单路/双路(±):3 V ~ 5.5 V 电流 - 电源:4.1mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:带卷 (TR) |
| ISL8484IUZ | 功能描述:IC SWITCH DUAL SPDT 10MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:36 系列:- 功能:多路复用器 电路:2 x 4:1 导通状态电阻:75 欧姆 电压电源:单/双电源 电压 - 电源，单路/双路(±):2 V ~ 12 V，±2 V ~ 6 V 电流 - 电源:- 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 供应商设备封装:20-SOIC W 包装:管件 |
| ISL8484IUZ-T | 功能描述:IC SWITCH DUAL SPDT 10MSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:36 系列:- 功能:多路复用器 电路:2 x 4:1 导通状态电阻:75 欧姆 电压电源:单/双电源 电压 - 电源，单路/双路(±):2 V ~ 12 V，±2 V ~ 6 V 电流 - 电源:- 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:20-SOIC（0.295"，7.50mm 宽） 供应商设备封装:20-SOIC W 包装:管件 |
| ISL8485 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers |
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