MAX4656

大电流、10Ω、SPST、CMOS模拟开关


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说明

Maxim's MAX4655–MAX4658 are medium-voltage CMOS analog switches with low on-resistance of 10Ω max, specifically designed to handle large switch currents. With a switch capability of up to 400mA peak current and 300mA continuous current (MAX4655/MAX4656), and up to 300mA peak current and 150mA continuous current (MAX4657/MAX4658), these parts can switch loads as low as 25Ω. They can replace reed relays with a million times the speed and virtually unlimited number of lifetime cycles. Normal power consumption is only 3mW, whether the switch is on or off. These parts are TTL/CMOS compatible and will switch any voltage within its power-supply range.

These are SPST (single-pole/single-throw) switches. The MAX4655/MAX4657 are normally closed (NC), while the MAX4656/MAX4658 are normally open (NO). The difference between the MAX4655/MAX4656 and the MAX4657/MAX4658 is in the power dissipation of their packages. Refer to the Absolute Maximum Ratings and the Electrical Characteristics in the full data sheet.

The MAX4655–MAX4658 power-supply range is from ±4.5V to ±20V for dual-supply operation and +9V to +40V for single-supply operation. These switches can operate from any combination of supplies, within a 40V V+ to V- range. They conduct equally well in either direction and can handle rail-to-rail analog signals. The offleakage current is only 1nA max at TA = +25°C. They are available in 8-pin µMAX®, TDFN, and SO packages, with exposed paddle options for high-power applications.
MAX4655、MAX4656、MAX4657、MAX4658:原理框图 MAX4655、MAX4656、MAX4657、MAX4658:原理框图 放大+

关键特性

  • High Continuous Current Handling
    • 300mA (MAX4655/MAX4656)
    • 150mA (MAX4657/MAX4658)
  • High Peak Current Handling
    • 400mA (MAX4655/MAX4656)
    • 300mA (MAX4657/MAX4658)
  • 10Ω (max) On-Resistance (±15V supplies)
  • VL Not Required
  • 1Ω (max) RON Flatness over Specified Signal Range
  • Rail-to-Rail Signal Handling
  • +12V Single Supply or ±15V Dual Supply Operation
  • Pin Compatible with DG417, DG418

应用

  • 音频信号切换
  • 音频系统
  • 通信系统
  • PBX/PABX系统
  • PC多媒体板
  • 冗余/备份系统
  • 继电器替代品
  • 测试设备
  • xDSL调制解调器
Part NumberFunctionsConfig.ChannelsNormal PositionVSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
VSUPPLY (Dual)
(±V)
VSUPPLY (Dual)
(±V)
RON
(Ω)
Bandwidth
(MHz)
IL(OFF)
(nA)
tON
(ns)
tOFF
(ns)
QINJECTION
(pC)
CON
(pF)
COFF
(pF)
Package/PinsBudgetary
Price
minmaxminmaxmaxmaxmaxmaxSee Notes
MAX4655 SwitchSPST1Closed9404.520102102200100236725
SOIC (N)/8
TDFN/8
UMAX/8
$2.18 @1k
MAX4656 Open
SOIC (N)/8
TDFN/8
UMAX/8
$2.20 @1k
MAX4657 Closed
SOIC (N)/8
UMAX/8
$2.18 @1k
MAX4658 Open
SOIC (N)/8
UMAX/8
$2.18 @1k
查看所有Switches and Multiplexers (Mid and High Voltage) (299)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

质量和环境数据

申请可靠性报告: MAX4656 
无铅封装的锡(Sn)晶须报告
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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