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完整的数据资料 (PDF, 132kB) 英文 下载 Maxim's redesigned DG441/DG442 analog switches now feature on-resistance matching (4Ω max) between switches and guaranteed on-resistance flatness over the signal range (9Ω max). These low on-resistance switches conduct equally well in either direction. They guarantee low charge injection (10pC max), low power consumption (1.65mW), and an ESD tolerance of 2000V minimum per Method 3015.7. The new design offers lower off-leakage current over temperature (less than 5nA at +85°C). The DG441/DG442 are quad, single-pole/single-throw (SPST) analog switches. The DG441 has four normally closed switches, and the DG442 has four normally open switches. Switching times are less than 250ns for tON and less than 170ns for tOFF. These devices operate from a single +10V to +30V supply, or bipolar ±4.5V to ±20V supplies. Maxim's improved DG441/DG442 continue to be fabricated with a 44V silicon-gate process.

关键特性		应用/使用
New Features Plug-In Upgrades for Industry-Standard DG441/DG442 Improved rDS(ON) Match Between Channels(4Ω max) Guaranteed rFLAT(ON) Over Signal Range (9Ω max) Improved Charge Injection (10pC max) Improved Off-Leakage Current Over Temperature (< 5nA at +85°C) Withstand Electrostatic Discharge (2000V min) per Method 3015.7 Existing Features Low rDS(ON) (85Ω max) Single-Supply Operation +10V to +30V Bipolar-Supply Operation ±4.5V to ±20V Low Power Consumption (1.65mW max) Rail-to-Rail Signal Handling TTL/CMOS-Logic Compatible		音频信号切换 电池供电应用 通信系统 传真机 引导与控制系统 平面显示器 军用无线装置 调制解调器 PBX、PABX 采样保持电路 测试设备

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