参数资料
型号: ICS83052AGILF
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/17页
文件大小: 0K
描述: IC CLOCK MUX 2:1 250MHZ 8-TSSOP
标准包装: 96
系列: HiPerClockS™
类型: 多路复用器
电路数: 1
比率 - 输入:输出: 2:1
差分 - 输入:输出: 无/无
输入: LVCMOS,LVTTL
输出: LVCMOS,LVTTL
频率 - 最大: 250MHz
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 8-TSSOP
包装: 管件
其它名称: 800-1106
800-1106-5
800-1106-ND
83052AGILF
ICS83052I REVISION B DECEMBER 8, 2011
11
2011 Integrated Device Technology, Inc.
ICS83052I Data Sheet
2:1, SINGLE ENDED MULTIPLEXER
POWER CONSIDERATIONS
This section provides information on power dissipation and junction temperature for the ICS830521I.
Equations and example calculations are also provided.
1. Power Dissipation.
The total power dissipation for the ICS830521I is the sum of the core power plus the analog power plus the power
dissipated in the load(s).
The following is the power dissipation for V
DD
= 3.3V + 5% = 3.465V, which gives worst case results.
Core and LVDS Output Power Dissipation
Power (core)
MAX
= V
DD_MAX
* (I
DD
+ I
DDo
) = 3.4565V * (40mA + 5mA) = 155.93mW
Output Impedance R
OUT
Power Dissipation due to Loading 50
Ω to V
DD
/2
Output Current I
OUT = VDDO_MAX / [2 * (50Ω + ROUT)] = 3.465 / [2 * (50Ω + 15Ω)] = 26.7mA
Power Dissipation on the R
OUT per LVCMOS output
Power (R
OUT) = ROUT * (IOUT)
2
= 15
Ω * (26.7mA)2 = 10.7mW
Dynamic Power Dissipation at 250MHz
Power (250MHz) = C
PD * frequency * (VDD)
2
= 18pF * 250MHz * (3.465V)2 = 54.0mW
Total Power Dissipation
Total Power
= Power (core)
MAX + Power (R
OUT)
Total Power + Power (250MHz)
= 155.93mW + 10.7mW + 54.0mW
=220.6mW
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