Texas Instruments 3.2.6TPA005D12 Class-DEVM Test Points, ±2. TPA005D12 Class-DEVM Test Points

Models: TPA005D12

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3.2.6TPA005D12 Class-D EVM Test Points

The TPA005D12 Class-D Audio Power Amplifier Evaluation Module

3.2.6TPA005D12 Class-D EVM Test Points

Test points have been included on the TPA005D12 class-D EVM to facilitate user analysis of device performance and design adjustments. Table 3±2 lists each test point and its corresponding function.

Table 3±2. TPA005D12 Class-D EVM Test Points

TEST

IC PIN or EVM

FUNCTION

POINT

FUNCTION

 

 

 

 

1

COSC

Ramp generation capacitor input and output

 

 

 

2

FAULT_0

LSB for logic-level fault output signal, open drain

 

 

 

3

FAULT_1

MSB for logic-level fault output signal, open drain

 

 

 

4

N/A

Probe ground connections

 

 

 

5

LOUTP

Class-D left channel positive output of the H-bridge

 

 

 

6

VCP

Charge pump storage capacitor

 

 

 

7

ROUTP

Class-D right channel positive output of the H-bridge

 

 

 

8

VDD

Probe VDD power input connections

 

 

 

9

VDD2

Probe VDD2 power input connections

 

 

 

10

LOUTN

Class-D left channel negative output of the H-bridge

 

 

 

11

ROUTN

Class-D right channel negative output of the H-bridge

 

 

 

12

N/A

Probe ground connections

Details 3-9

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Texas Instruments manual 3.2.6TPA005D12 Class-DEVM Test Points, ±2. TPA005D12 Class-DEVM Test Points, Details