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MAX14504, MAX14505, MAX14505A,
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The MAX14504/MAX14505/MAX14505A/MAX14506 dual single-pole/double-throw (SPDT) audio switches feature negative signal capability that allows signals from -VCC to +VCC to pass without distortion. They feature high continuous current ratings of 550mA (continuous) and 850mA (pulsed). These analog switches have low on-resistance, low supply current, and operate from a single +2.3V to +5.5V supply.
The MAX14505/MAX14505A have internal shunt switches that discharge the audio amplifier ac-coupling capacitance at the normally open (NO) terminals. This reduces click-and-pop sounds that occur when switching audio signals between pre-charged points. The MAX14504/MAX14505/MAX14505A/MAX14506 control the switches with control bit, CB, and feature an enable input, /EN\, that place COM in a high-impedance mode.
The MAX14504/MAX14505/MAX14505A/MAX14506 are fully specified to operate from a single +2.3V to +5.5V power supply. These devices are available in a 1.56mm x 2.14mm, 12-bump WLP package, and operate over the -40°C to +85°C extended temperature range.
关键特性
| Distortion-Free Negative-Signal Throughput From -VCC to +VCC | |
| Internal Shunt Switches Reduce Click/Pop (MAX14505/MAX14505A) | |
Low On-Resistance .36 (typ) | |
| 1m(typ) On-Resistance Flatness | |
| COM High-Impedance for /EN\ = high | |
| Low 0.2µA (max) Shutdown Current (MAX14505A/MAX14506) | |
| +2.3V to +5.5V Single-Supply Voltage | |
| Small,1.56mm x 2.14mm, 12-Bump WLP Package |
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