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參數(shù)資料
| 型號(hào)： | CSPEMI205G |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | 3 Channel Headset EMI Filter with ESD Protection |
| 中文描述： | 3頻道耳機(jī)EMI濾波器和ESD保護(hù) |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大小： | 695K |
| 代理商： | CSPEMI205G |
2003 California Micro Devices Corp. All rights reserved.
10/09/03
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L
Tel: 408.263.3214
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Fax: 408.263.7846
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www.calmicro.com
1
CSPEMI205
3 Channel Headset EMI Filter with ESD Protection
Features
Three channels of EMI filtering, two for earpiece
speakers and one for a microphone
Pi-style EMI filters in a capacitor-resistor-capacitor
(C-R-C) network
Chip Scale Package features extremely low para-
sitic inductance for optimum filter performance
Greater than 30dB relative attenuation in the 800-
2700MHz range
+
8kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
+
15kV ESD protection on each channel (HBM)
8-bump, 1.41mm X 1.45mm footprint
Chip Scale Package (CSP)
Lead-free version available
Applications
EMI filtering and ESD protection for headset micro-
phone and speaker
Cellular / Mobile Phones
Notebooks and Personal Computers
Handheld PCs / PDAs / Tablets
Wireless Handsets
Digital Camcorders
Product Description
The CSPEMI205 is a low-pass filter array integrating
three pi-style filters (C-R-C) that reduce EMI/RFI emis-
sions while at the same time providing ESD protection.
This device is custom-designed to interface with the
headset port on a cellular telephone, and contains two
different filter values. Each high quality filter provides
more than 30dB attenuation in the 800-2700 MHz
range. These pi-style filters support bidirectional filter-
ing, controlling EMI both to and from the microphone
and speaker elements. They also support bipolar sig-
nals, enabling audio signals to pass through without
distortion.
In addition, the CSPEMI205 provides a very high level
of protection for sensitive electronic components that
may be subject to electrostatic discharge (ESD). The
input pins are designed and characterized to safely dis-
sipate ESD strikes of
+
8kV, the maximum requirement
of the IEC 61000-4-2 international standard. Using the
MIL-STD-883 (Method 3015) specification for Human
Body Model (HBM) ESD, the device provides protec-
tion for contact discharges to greater than
+
15kV.
The CSPEMI205 is particularly well suited for portable
electronics (e.g., cellular telephones, PDAs, notebook
computers) because of its small package format and
low weight. The CSPEMI205 is available in a space-
saving, low-profile Chip Scale Package with optional
lead-free finishing.
Electrical Schematic
10
1
1
Earpiece 1
Input
A3
B4
C1
C3
B2
GND
GND
A1
10
Earpiece 2
Input
Earpiece 1
Output
Earpiece 2
Output
1
1
68
4
4
Microphone
C5
A5
Input
Microphone
Output
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CSPEMI306A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:6-Channel EMI Filter Array with ESD Protection |
| CSPEMI306AG | 功能描述:電磁干擾濾波器 EMI/RFI Filter with ESD Protection RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03 |
| CSPEMI306AG-HST | 功能描述:電磁干擾濾波器 6-ch EMI Filter with ESD Protection RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03 |
| CSPEMI307A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:4-Channel ESD/EMI Filter Array Plus 4-Channel ESD Array for USB |
| CSPEMI307AG | 功能描述:電磁干擾濾波器 EMI/RFI Filter with ESD Protection RoHS:否 制造商:STMicroelectronics 電容:12 pF 電路類型: 最大直流電流: 最大直流電阻: 電壓額定值:6 V 容差: 端接類型:SMD/SMT 工作溫度范圍:- 30 C to + 85 C 系列:EMIF03 |
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