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參數(shù)資料
| 型號： | CX77315 |
| 英文描述： | CX77315 Product Summary|PA Modules for GSM/GPRS Handsets |
| 中文描述： | CX77315產(chǎn)品概要|功率放大器模塊的GSM / GPRS手機(jī) |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 517K |
| 代理商： | CX77315 |
Data Sheet CX77301
PA Module for Dual-band EGSM900 DCS1800 / GPRS
10
SEPTEMBER 19, 2003
Skyworks Solutions, Inc. Proprietary Information
[781] 376-7000 FAX [781] 376-3100 SALES@SKYWORKSINC.COM
WWW.SKYWORKSINC.COM
100956E
ELECTROSTATIC DISCHARGE SENSITIVITY
The CX77301 is a Class I device.
Figure 6
lists the Electrostatic
Discharge (ESD) immunity level for each pin of the CX77301
product. The numbers for each pin in
Figure 6
specify the ESD
threshold level where the I-V curve between the pin and ground
starts to show degradation. If ESD damage threshold magnitude
is found to consistently exceed 2000 volts on a given pin, this so
is indicated. If ESD damage threshold below 2000 volts is
measured for either polarity, numbers are indicated that
represent worst case values observed in product
characterization.
+450 V
–
500 V
GND 1
EGSM IN
DCS IN
> +2000 V
<
–
2000 V
GND 2
GND 3
GND 4
GND 5
GND 6
GND 7
GND 8
VCC1
> +2000 V
<
–
2000 V
VCC2
> +2000 V
<
–
2000 V
EGSM OUT
DCS OUT
APC
BS
> +2000 V
<
–
2000 V
100956_007
> +2000 V
<
–
2000 V
> +2000 V
<
–
2000 V
> +2000 V
<
–
2000 V
2
3
4
5
6
7
8
14
16
15
13
12
11
10
9
1
Figure 6. ESD Sensitivity Areas (Top View)
Various failure criteria can be utilized when performing ESD
testing. Many vendors employ relaxed ESD failure standards
which fail devices only after “the pin fails the electrical
specification limits” or “the pin becomes completely non-
functional”. Skyworks employs most stringent criteria, fails
devices as soon as the pin begins to show any degradation on a
curve tracer.
To avoid ESD damage, both latent and visible, it is very important
that the product assembly and test areas follow the Class-1 ESD
handling precautions listed in
Table
5.
Table 5. Precautions for Handling GaAs IC-based Products to Avoid Induced Damage
Personne
l Grounding
Facility
Wrist Straps
Conductive Smocks, Gloves and Finger Cots
Antistatic ID Badges
Relative Humidity Control and Air Ionizers
Dissipative Floors (less than 10
9
to GND)
Protective Workstation
Protective Packaging & Transportation
Dissipative Table Tops
Protective Test Equipment (Properly Grounded)
Grounded Tip Soldering Irons
Conductive Solder Suckers
Static Sensors
Bags and Pouches (Faraday Shield)
Protective Tote Boxes (Conductive Static Shielding)
Protective Trays
Grounded Carts
Protective Work Order Holders
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