8 Parameter Measurement Information

All parameters are measured according to the conditions described in the Section 7 section.

Figure 8-1 shows the setup used to test the device's typical characteristics.

IN+

–

IN–

+

VBAT

1 F

m

1 F

m

2.2 H

m

Load

OUT+

OUT–

Measurement

Output

TPA2015D1

Measurement

Input

–

+

–

+

10 F

m

22 F

m

Supply

GND

30kHz

Low-Pass

Filter

SW

PVDD

PVOUT

A.

B.

A 33 μH inductor was placed in series with the load resistor to emulate a small speaker for efficiency measurements.

C.

The 30 kHz low-pass filter is required even if the analyzer has an internal low-pass filter. An R-C low pass filter (100 Ω, 47 nF) is used

on each output for the data sheet graphs.

Figure 8-1. Test Setup for Typical Characteristics Graphs

TPA2015D1

SLOS638C – NOVEMBER 2011 – REVISED JUNE 2022

www.ti.com

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