IDT / ICS PCI EXPRESS JITTER ATTENUATOR
參數(shù)資料
型號: CS5534-BSZR
廠商: Cirrus Logic Inc
文件頁數(shù): 4/17頁
文件大?。?/td> 0K
描述: IC ADC 24BIT 4CH W/LNA 24SSOP
標準包裝: 1,000
位數(shù): 24
采樣率(每秒): 3.84k
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 45mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 24-SSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個差分,單極;4 個差分,雙極
配用: 598-1016-ND - EVAL BOARD FOR CS5534
IDT / ICS PCI EXPRESS JITTER ATTENUATOR
12
ICS9DB202CK-01 REV. B FEBRUARY 18, 2009
ICS9DB202-01
PCI EXPRESS JITTER ATTENUATOR
3. Calculations and Equations.
The purpose of this section is to calculate power dissipation on the IC per HCSL output pair.
HCSL output driver circuit and termination are shown in
Figure 7.
HCSL is a current steering output which sources a maximum of 17mA of current per output. To calculate worst case on-chip power
dissipation, use the following equations which assume a 50
Ω load to ground.
The highest power dissipation occurs when V
DD_MAX.
Power
= (V
DD_MAX
– V
OUT
) * I
OUT
since V
OUT
= I
OUT
* R
L
Power
= (V
DD_MAX
– I
OUT
* R
L
) * I
OUT
= (3.465V – 17mA * 50
Ω) * 17mA
Total Power Dissipation per output pair = 44.5mW
FIGURE 7. HCSL DRIVER CIRCUIT AND TERMINATION
VDD
VOUT
RL
50
Ω
IC
IOUT = 17mA
RREF =
475
Ω ± 1%
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