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参数资料
| 型号： | ISL59604IRZ-T7 |
| 厂商： | INTERSIL CORP |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC20 |
| 封装： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, QFN-20 |
| 文件页数： | 18/27页 |
| 文件大小： | 4194K |
| 代理商： | ISL59604IRZ-T7 |
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ISL59601, ISL59602, ISL59603, ISL59604, ISL59605
25
FN6739.1
November 23, 2010
Bypassing and Layout
Considerations
MegaQ requires a dedicated ground plane in
order to function properly. For 2-layer boards, pour a
quarter-inch ground plane extending around the device
on both the top and bottom layers. Ensure that the
ground plane on the bottom layer is a solid plane with
no traces cutting through it. Bypass capacitors must be
placed as close as possible to the device in order to
ensure good performance at longer lengths of
equalization. Ensure that the ground connections for the
bypass capacitors connect directly to the same uniform
ground plane described above.
General PowerPAD Design Considerations
The thermal pad must be connected to the ground plane
for heat dissipation. Figure 50 is an example of how to
use vias to remove heat from the IC.
The thermal pad is electrically connected to GND through
the high resistance IC substrate. We recommend you fill
the thermal pad area with vias. The via array should be
centered in the thermal pad and placed such that the
center on center spacing is 3x the via radius. Vias should
be small, but large enough to allow solder wicking during
reflow. Connect all vias to ground. It is important the vias
have a low thermal resistance for efficient heat transfer.
Do not use “thermal relief” patterns. It is important to
have a solid connection of the plated-through hole to
each plane.
Power Dissipation
The maximum power dissipation allowed in a package is
determined according to Equation 1:
Where:
TJMAX = Maximum junction temperature
TAMAX = Maximum ambient temperature
ΘJA = Thermal resistance of the package
The maximum power dissipation actually produced by an
IC is the total quiescent supply current times the total
power supply voltage, plus the power in the IC due to the
load, or:
for sourcing use Equation 2:
for sinking use Equation 3:
Where:
VS = Supply voltage
ISMAX = Maximum quiescent supply current
VOUT = Maximum output voltage of the application
RLOAD = Load resistance tied to ground
ILOAD = Load current
0x05
Equalization Control
(0x00)
1:0
Locking Mode/Manual
Length Enable
00 = Continuous Monitoring
01 = Lock Until Signal Loss*
10 = Lock Until Reset
11 = Manual Length**
*Signal must be missing for at least 1ms in order to
trigger a re-equalization.
** In Manual Length mode the polarity corrector is
disabled and the polarity must be set using the
INVERT bit or pin.
Note: The FREEZE pin must be tied to ground/a logic
low for this function to work correctly.
3:2
Noise Filter
00: No Noise Filtering
01: Min Noise Filtering
10 or 11: Max Noise Filtering
Note: Noise Filtering is only available on the ISL59605
4
Coax Mode
0: CAT5/6 Mode
1: Steel Core Coax Mode
This bit is ignored in all modes except Manual
Length (reg 0x05[1:0] = 11).
Set to 1 if using copper-coated steel-core coaxial
cable and you are in Manual Length.
Register Listing (Continued)
ADDRESS
REGISTER
(DEFAULT VALUE)
BIT(S)
FUNCTION NAME
DESCRIPTION
FIGURE 50. PCB VIA PATTERN
PDMAX
TJMAX TAMAX
–
Θ
JA
---------------------------------------------
=
(EQ. 1)
PDMAX
VS ISMAX VS VOUT
–
()
+
×
VOUT
RL
----------------
×
=
(EQ. 2)
PDMAX
VS ISMAX VOUT VS
–
()
+
×
ILOAD
×
=
(EQ. 3)
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| ISL59604IRZ-T7A | 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:MegaQ™ 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| ISL59605IRZ | 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:MegaQ™ 标准包装:250 系列:- 类型:电平移位器 应用:LCD 电视机/监控器 安装类型:表面贴装 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-WQFN（4x4）裸露焊盘 包装:带卷 (TR) 其它名称:296-32523-2TPS65198RUYT-ND |
| ISL59605IRZ-EVALZ | 功能描述:EVALUATION BOARD FOR ISL5960X RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:MegaQ™ 标准包装:1 系列:- 主要目的:数字电位器 嵌入式:- 已用 IC / 零件:AD5258 主要属性:- 次要属性:- 已供物品:板 相关产品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP |
| ISL59605IRZ-T7 | 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:MegaQ™ 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| ISL59605IRZ-T7A | 功能描述:IC VIDEO EQUALIZER 20-QFN RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:MegaQ™ 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
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