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DG441 Datasheet PDF - Maxim Integrated

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General Description
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.

New Features
♦ Plug-In Upgrades for Industry-Standard DG441/DG442
♦ Improved rDS(ON) Match Between Channels(4Ωmax)
♦ Guaranteed rFLAT(ON) Over Signal Range (9Ωmax)
♦ 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

  Sample-and-Hold Circuits
  Communication Systems
  Test Equipment
  Battery-Operated Systems
  Heads-Up Displays
  Fax Machines
  Guidance and Control Systems
  Audio-Signal Routing
  Military Radios


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