MAS9116 查看數據表（PDF） - Micro Analog systems

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MAS9116

Stereo Digital Volume Control

Micro Analog systems 

GENERAL DESCRIPTION

Peak Level Detection

MAS9116 has an 8-bit digital-to-analog converter

(DAC) used for monitoring the peak level of the

signal. The reference value is programmed via the

serial interface. The reference value VREF is

calculated from VREF=(0.16+0.0133*CODE)*VDD,

where CODE is decimal value of the control byte

DA9116.005

22 November, 2005

(0..255) and VDD is MAS9116 supply voltage value.

With nominal 5 V supply voltage the reference value

is VREF=0.8V+66.5mV*CODE. When positive peak

signal level at output exceeds this value, comparator

signal sets bits 0 and 1 of the status register. The

register contents stay high until the peak register

has been read.

4 (18)

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