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ES9820 Datasheet(PDF) 89 Page - ESS Technology,Inc

Part # ES9820
Description  32-bit High-Performance 2-Channel ADC
PDF  117 Pages
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Manufacturer  ESS [ESS Technology,Inc]
Direct Link  http://www.esstech.com
Logo ESS - ESS Technology,Inc

ES9820 Datasheet(HTML) 89 Page - ESS Technology,Inc

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CONFIDENTIAL ADVANCE INFORMATION 0.3
ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 WWW.ESSTECH.COM
89
ES9820 Product Datasheet
Register 122: ADC CH2 PEAK DETECTOR CONFIG
Bits
[7]
[6:2]
[1]
[0]
Default
-
5'd0
1'b0
1'b0
Bits
Mnemonic
Description
[7]
ADC2_LOCK_PEAK
Locks the stored value of the peak detector for reading back.
•
1'b0: Stored value is allowed to update (default)
•
1'b1: Stored value is locked
[6:2]
ADC2_DECAY_RATE
Sets the speed at which the stored value of the peak detector
will decay when the input signal is below the stored value.
•
5'd63 = Slowest decay
•
5'd0 = Instant decay (default)
[1]
RESERVED
NA
[0]
ADC2_ENABLE_PEAK_DETECT
Enables the ADC signal peak detector.
•
1'b0: Disabled (default)
•
1'b1: Enabled
Register 123: ADC CH2 PEAK DETECTOR LEVEL
Bits
[7:0]
Default
8'hFF
Bits
Mnemonic
Description
[7:0]
ADC2_CLIP_LEVEL
Threshold value of the clip detector. Valid from 8'hff (0dB) to
8'h01 (-42dB).
Register 125-124: ADC CH2 DC OFFSET
Bits
[15:0]
Default
16'd0
Bits
Mnemonic
Description
[15:0]
ADC2_DC_OFFSET
ADC DC offset. Signed. Shift right 1 bit corresponds to -6dB.
Positive offset is valid from 16'h7FFF (-30dB) to 16'h0001 (-
114dB).
Negative offset is valid from 16'h8000 (-30dB) to 16'hFFFF (-
114dB).
16'h0000 corresponds to zero offset.



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