1.1 GHz 预分频器

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概览

MC12080 是一款通过 10、20、40、80 预分频器进行分频的单模,用于 1.1GHz 高频输入信号的低功耗分频。分频比控制输入 SW1、SW2 和 SW3 选择所需的 10、20、40 或 80 分频比。需要外部负载电阻来端接输出。假设负载为 8.0 pF,如果以最低分频比 10 对 1.1 GHz 输入信号进行分频,则推荐 820 Ohm 电阻来实现 1.2 Vpp 输出摆幅。输出电流可以根据输出频率、驱动的电容负载和所需输出电压摆幅等条件进行最大程度降低。负载电阻的典型值针对 1.1 GHz 输入频率下的不同分频比包含在 Vout 规格内。

  • 1.1 GHz Toggle Frequency
  • Supply Voltage 4.5 to 5.5 V
  • Low Power 3.7 mA Typical at VCC = 5.0 V
  • Operating Temperature Range of -40° to 85°C
  • Pb-Free Packages are Available

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Type

Input Level

Output Level

VCC Typ (V)

fMax Typ (MHz)

tpd Typ (ns)

tR & tF Max (ps)

Reference Price

MC12080DG

Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

TUBE

98

N

Prescaler

ECL

-

ECL

5

1100

-

-

Price N/A

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MC12080DR2G

Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Prescaler

ECL

ECL

5

1100

-

-

Price N/A

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