TPA2016D2

AGC CONTROL (Address: 6)

REGISTER

LABEL

DEFAULT

DESCRIPTION

ADDRESS

7

Output Limiter

0 (enable)

Disables the output limiter function. Can only be disabled when the AGC compression

AGC Control

Disable

ratio is 1:1 (off)

6:5

NoiseGate

Select the threshold of the noise gate

Threshold

Threshold

00

01

10

11

4:0

Output Limiter

11010 (6.5dBV)

Selects the output limiter level

Level

Output Power (Wrms)

Peak Output Voltage

dBV

(Vp)

00000

0.03

0.67

–6.5

00001

0.03

0.71

–6

00010

0.04

0.75

–5.5

(Limiter level increases by 0.5dB with every step)

11101

0.79

3.55

8

11110

0.88

3.76

8.5

11111

0.99

3.99

9

Output Limiter

This bit disables the output limiter function when set to 1. Can only be disabled when

Disable

the AGC compression ratio is 1:1

NoiseGate Threshold

These bits set the threshold level of the noise gate. NoiseGate Threshold is only

functional when the compression ratio is not 1:1

Output Limiter Level

These bits select the output limiter level. Output Power numbers are for 8

Ω load.

AGC CONTROL (Address: 7)

REGISTER

LABEL

DEFAULT

DESCRIPTION

ADDRESS

7:4

Max Gain

1100 (30 dB)

Selects the maximum gain the AGC can achieve

AGC Control

Gain

0000

18 dB

0001

19 dB

0010

20 dB

(gain increases by 1 dB with every step)

1100

30 dB

3:2

Unused

00

1:0

Compression

10 (4:1)

Selects the compression ratio of the AGC

Ratio

Ratio

00

1:1 (off)

01

2:1

10

4:1

11

8:1

Compression Ratio These bits select the compression ratio. Output Limiter is enabled by default when the

compression ratio is not 1:1.

Max Gain

These bits select the maximum gain of the amplifier. In order to maximize the use of the

AGC, set the Max Gain to 30dB

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