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MAX4562, MAX4563
串行控制、无喀嗒声的音频/视频开关


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状态
状况:生产中。

概述
完整的数据资料 (PDF, 232kB)
英文 下载数据资料(PDF)下载
The MAX4562/MAX4563 serial-interface controlled switches are ideal for multimedia applications. Each device features 30Ω max on-resistance (RON), 5Ω RON match, and 5Ω RON flatness. Audio off-isolation and crosstalk at 20kHz is -85dB, and video off-isolation and crosstalk at 10MHz is -55dB. Both devices feature "clickless" mode operation for audio applications.

The MAX4562/MAX4563 contain two normally open single-pole/double-throw (SPDT) switches and two normally open single-pole/single-throw (SPST) switches. The MAX4562 features a 2-wire I²C-compatible serial interface. The MAX4563 features a 3-wire SPI™/QSPI™/MICROWIRE™-compatible serial interface. Both parts are available in 16-pin QSOP packages and operate over the commercial and extended temperature ranges.

关键特性   应用/使用
  • Selectable Soft-Switching Mode for "Clickless" Audio Operation
  • 30Ω max On-Resistance
  • Audio Performance
    • -85dB Off-Isolation at 20kHz
    • -85dB Crosstalk at 20kHz
    • -0.007% THD
  • Video Performance
    • -55dB Off-Isolation at 10MHz
    • -55dB Crosstalk at 10MHz
  • T-Switch Configurable for Improved Off-Isolation
  • Serial Interface
    • 2-Wire I²C-Compatible (MAX4562)
    • 3-Wire SPI/QSPI/MICROWIRE-Compatible (MAX4563)
  • Single-Supply Operation from +2.7V to +5.5
 

Key Specifications:  Audio/Video Routing (Unbuffered)
Part Number Functions Config. RON
(Ω)
Interface ILEAK(OFF)
(nA)
tON
(ns)
Off Iso.
(dB)
Crosstalk
(dB)
VSUPPLY
(V)
Price
max max min @ Freq. @ Freq. See Notes
MAX4562  Switch 2 x SPST + 2 x SPDT 20
2-Wire
Serial
1 12000
-55@10MHz
-85@20kHz
-55@10MHz
-85@20kHz
2.7 to 5.5 $1.65 @1k
MAX4563 
3-Wire
Serial
$1.65 @1k
查看所有Audio/Video Routing (Unbuffered) (27)

图表
MAX4562、MAX4563:典型工作电路
典型工作电路

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    参考文献: 19-1461; Rev. 0; 1999-04-01
    本页最后一次更新: 2007-07-20


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