ADAV803ASTZ datasheet(59/61 Pages) AD

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ADAV803

Rev. A | Page 58 of 60

ALC Control Register 2— Address = 1111100 (0x7C)

Table 142. ALC Control Register 2 Bit Map

Reserved

RECTH1

RECTH0

ATKTH1

ATKTH0

RECTIME1

RECTIME0

ATKTIME

Table 143. ALC Control Register 2 Bit Descriptions

Bit Name

Description

RECTH[1:0]

Recovery threshold.

00 = −2 dB.

01 = −3 dB.

10 = −4 dB.

11 = −6 dB.

ATKTH[1:0]

Attack threshold.

00 = 0 dB.

01 = −1 dB.

10 = −2 dB.

11 = −4 dB.

RECTIME[1:0]

Recovery time selection.

00 = 32 ms.

01 = 64 ms.

10 = 128 ms.

11 = 256 ms.

ATKTIME

Attack timer selection.

0 = 1 ms.

1 = 4 ms.

ALC Control Register 3—Address 1111101 (0x7D)

Table 144. ALC Control Register 3 Bit Map

ALC RESET

Table 145. ALC Control Register 3 Bit Description

Bit Name

Description

ALC RESET

A write to this register restarts the ALC operation. The value written to this register is irrelevant. A read from this

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