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ES9218P 데이터시트(PDF) 54 Page - ESS Technology,Inc

부품명 ES9218P
상세설명  32-bit Stereo Low Power DAC with Headphone Amplifier, Analog Volume Control, and Output Switch
PDF  101 Pages
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제조업체  ESS [ESS Technology,Inc]
홈페이지  http://www.esstech.com
Logo ESS - ESS Technology,Inc

ES9218P 데이터시트(HTML) 54 Page - ESS Technology,Inc

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ES9218P Datasheet
December 6, 2018
CONFIDENTIAL ADVANCE INFORMATION 1.8
ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA Tel (408) 643-8800 • Fax (408) 643-8801
54
Register 14: Soft Start Configuration (0x0E)
Bits
[7]
[6]
[5]
[4:0]
Mnemonic
soft_start
reserved
soft_start_type
soft_start_time
Default
1’b0
1’b0
1’b0
5’d10
Bit
Mnemonic
Description
[7]
soft_start
Controls the soft start/ramp to ground action. Only functions when the dig_over_en bit is set in
Register 46: Analog Control Override (0x2E).
1’b0 Ramps the DAC outputs to ground (default)
1’b1 Ramps the DAC outputs to AVCC_DAC/2
[6]
reserved
[5]
soft_start_type
Sets whether the soft start ramp is linear or a quadratic function.
1’b0: uses the standard soft start ramp (default)
1’b1: uses a quadratic function for the soft start ramp
[4:0]
soft start time
Sets the amount of time that it takes to perform a DAC soft start ramp. This time affects both
ramp down to ground and ramp up to mute (AVCC_DAC/2). Values from 0 to 20 are valid.
time (s) = 4096 ∗
2(soft_start_time+1)
CLK (Hz)



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