User's Manual Stereo Amplifier TPA3008D2
Table Of Contents
- FEATURES
- DESCRIPTION
- APPLICATIONS
- ABSOLUTE MAXIMUM RATINGS
- DISSIPATION RATING TABLE
- RECOMMENDED OPERATING CONDITIONS
- AVAILABLE OPTIONS
- DC ELECTRICAL CHARACTERISTICS
- AC ELECTRICAL CHARACTERISTICS
- TYPICAL CHARACTERISTICS
- APPLICATION INFORMATION
- CLASS-D OPERATION
- Traditional Class-D Modulation Scheme
- TPA3008D2 Modulation Scheme
- Efficiency: LC Filter Required With the Traditional Class-D Modulation Scheme
- Effects of Applying a Square Wave Into a Speaker
- When to Use an Output Filter for EMI Suppression
- Gain setting via GAIN0 and GAIN1 inputs
- INPUT RESISTANCE
- INPUT CAPACITOR, CI
- SHUTDOWN OPERATION
- USING LOW-ESR CAPACITORS
- SHORT-CIRCUIT PROTECTION AND AUTOMATIC RECOVERY FEATURE
- THERMAL PROTECTION
- PRINTED-CIRCUIT BOARD (PCB) LAYOUT
- BASIC MEASUREMENT SYSTEM
- DIFFERENTIAL INPUT AND BTL OUTPUT
- CLASS-D RC LOW-PASS FILTER

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0.005
10
0.01
0.1
20
20 k
100
1 k 10 k
P
O
= 5 W
THD+N −Total Harmonic Distortion + Noise − %
V
CC
= 18 V,
R
L
= 8 ,
Gain = 21.6 dB
f − Frequency − Hz
P
O
= 1 W
P
O
= 2.5 W
1
0.01
0.1
10
20
20 k
100
1 k 10 k
THD+N −Total Harmonic Distortion + Noise − %
V
CC
= 12 V,
R
L
= 8
Gain = 21.6 dB
f − Frequency − Hz
P
O
= 1 W
P
O
= 2.5 W
P
O
= 0.5 W
1
0.01
10
0.1
1
20m 10100 m 1
THD+N −Total Harmonic Distortion + Noise − %
P
O
− Output Power − W
V
CC
= 12 V,
R
L
= 8 ,
Gain = 21.6 dB
20200 m 2
1 kHz
20
20 Hz
20 kHz
0.01
10
0.1
1
20m 10100 m 1
THD+N −Total Harmonic Distortion + Noise − %
P
O
− Output Power − W
V
CC
= 18 V,
R
L
= 16 ,
Gain = 21.6 dB
20 Hz
20200 m 2
20 kHz
1 kHz
TPA3008D2
SLOS435A – MAY 2004 – REVISED JULY 2004
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
FREQUENCY FREQUENCY
Figure 3. Figure 4.
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
OUTPUT POWER OUTPUT POWER
Figure 5. Figure 6.
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