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AS1749
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austriamicrosystems AG
AS1749 데이터시트 - austriamicrosystems AG
austriamicrosystems AG
General Description
The SPDT (single-pole/double-throw) switches AS1747, AS1748, AS1749 and AS1750 allow signals below ground to pass through without distortion. These analog switches are ideal for switching audio signals, due to their supply voltage from +1.8V to +5.5V and their low 0.4Ω on-resistance.
KEY FEATUREs
■ Distortion -Free Negative Signal Throughput Down to VCC - 5.5V
■ Comparator for Headphone or Mute Detection (AS1748/AS1750)
■ Internal Shunt Resistor Reduces Click/Pop (AS1749/AS1750)
■ Low On-Resistance (RON) 0.4Ω at +2.7V Supply
■ 0.25Ω On-Resistance Flatness
■ 0.03Ω On-Resistance Matching
■ +1.8V to +5.5V Supply Voltage
■ -90dB Crosstalk (100kHz)
■ -65dB Off-Isolation (100kHz)
■ 0.01% Total Harmonic Distortion
■ Available in 10-pin TDFN 3x3, 16-pin TQFN 3x3, and 12-Bump WL-CSP Packages
APPLICATIONs
The device is ideal for cell phones, PDAs and hand-held devices, notebook computers and MP3 players.
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