ES9826 datasheet(67/88 Pages) ESS

67 / 88 page

ES9826 Datasheet

VERSION 0.1.2

ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM

Bits

[7]

[6]

[5:0]

Default

1'b0

6'd11

Bits

Mnemonic

Description

[7]

PGA_GAIN_CTRL_CH2_EN

Disentangles the PGA gain and ADC attenuation for CH2.

• 1'b0: Datapath gain normalization is enabled (default)

• 1'b1: Datapath gain normalization is disabled. ADC attenuation

is controlled by ADC_ATTEN_SET_CH2. PGA gain is

controlled by PGA_GAIN_SET_CH2.

[6]

PGA_GAIN_CTRL_CH1_EN

Disentangles the PGA gain and ADC attenuation for CH1.

• 1'b0: Datapath gain normalization is enabled (default)

• 1'b1: Datapath gain normalization is disabled. ADC attenuation

is controlled by ADC_ATTEN_SET_CH1. PGA gain is

controlled by PGA_GAIN_SET_CH1.

[5:0]

RESERVED

Bits

[7:4]

[3:0]

Default

4'd10

Bits

Mnemonic

Description

[7:4]

ADC_ATTEN_SET_CH2

• If ARE is disabled, ADC_ATTEN_SET_CH2 sets the amount of

ADC attenuation (requires PGA_GAIN_CTRL_EN_CH2 = 1).

• If ARE is enabled, ADC_ATTEN_SET_CH2 sets the amount of

PGA gain when ARE is engaged.

Valid from 4'd0 (0dB) to 4'd10 (30dB), 3dB steps. Default is 30dB.

[3:0]

ADC_ATTEN_SET_CH1

• If ARE is disabled, ADC_ATTEN_SET_CH1 sets the amount of

ADC attenuation (requires PGA_GAIN_CTRL_EN_CH1 = 1).

• If ARE is enabled, ADC_ATTEN_SET_CH1 sets the amount of

PGA gain when ARE is engaged.

Valid from 4'd0 (0dB) to 4'd10 (30dB), 3dB steps. Default is 30dB.

ES9826 Datasheet(PDF) 67 Page - ESS Technology,Inc

ES9826 Datasheet(HTML) 67 Page - ESS Technology,Inc

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