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ET3550
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General Description
ET3550 is a high-performance 4PST, normally closed depletion type isolation switch. Depletion technology allows devices to conduct signals in the absence of VCC and isolate signals in the presence of VCC. ET3550 operates within a wide range of VCC voltage and has the capability to calculate flexibility. Additionally, in the presence of VCC, selecting pins allows for internal oscillator operation,the frequency is between 500KHz and 750KHz, with a step size of 75KHz make adjustments. This feature is used to transfer dispersed electromagnetic interference (EMI), so as to meet the customer's specification requirements. ET3550 is offered WLCSP12 and QFN16 package, which is ideal for small form factor portable equipment.
Specification
Sample
Features
- 4PST (NC)
- Depletion Mode MOSFETs
- Audio Frequency Range
- VCC(OFF) Range from 1.6 V to 3.0 V
- Ultra−Low RON : 0.5Ω (Typical)
- Flatness of RON : 0.01Ω (Typical)
- Low THD+N: 0.002% Typical
- High Continuous Current Capability: ±350mA Through Each Switch
