UPC1857A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPC1857A

SOUND CONTROL IC WITH SURROUND AND I2C BUS

NEC => Renesas Technology 

µPC1857A

2. ATTENTIONS

(1) Attention on Pop Noise Reduction

When changing the surround mode, use the mute function (approx. 200 ms) for pop noise reduction (see 4.4.1

Mute).

When turning ON/OFF power to the µPC1857A, use the external mute function for pop noise reduction.

(2) Attention on Supply Voltage

Drive data on the I2C bus after supply voltage of total application system becomes stable.

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