Datasheet

0.01
0.10
1.00
10.00
100.00
0 0.5 1 1.5 2 2.5
THDN (%)
Output Power (W)
Series1
Series2
Series4
Series5
C005
Gain = 6 dB
Gain = 12 dB
Gain = 18 dB
Gain = 24 dB
0.01
0.1
1
10
100
0 0.5 1 1.5 2 2.5
THDN (%)
Output Power (W)
Series1
Series2
Series4
Series5
Series6
Series7
C006
SPKVDD = 2.7 V
SPKVDD = 3 V
SPKVDD = 3.3 V
SPKVDD = 3.6 V
SPKVDD = 4.2 V
SPKVDD = 5.5 V
0.01
0.1
1
10
100
0 0.5 1 1.5 2 2.5 3
THDN (%)
Output Power (W)
Gain = 6 dB
Gain = 12 dB
Gain = 18 dB
Gain = 24 dB
C003
0.01
0.10
1.00
10.00
100.00
0 0.5 1 1.5 2 2.5 3
THDN (%)
Output Power (W)
Series1
Series2
Series4
Series5
Series6
Series7
C004
SPKVDD=2.7V
SPKVDD=3V
SPKVDD=3.3V
SPKVDD=3.6V
SPKVDD=4.2V
SPKVDD=5.5V
±180
±160
±140
±120
±100
±80
±60
±40
±20
0
20
0 4000 8000 12000 16000 20000
Amlitude (dB)
Frequency (Hz)
C001
±180
±160
±140
±120
±100
±80
±60
±40
±20
0
20
0 4000 8000 12000 16000 20000
Amplitude (dB)
Frequency (Hz)
C002
TAS2505
www.ti.com SLAS778A –FEBRUARY 2013–REVISED FEBRUARY 2013
4 Typical Performance
4.1 Class D Speaker Driver Performance
Figure 4-1. DAC To Speaker Amplitude at 0 dBFS vs Frequency (4 Figure 4-2. AINL To Speaker FFT Amplitude at 0 dBFS vs
Ω Load) Frequency (4 Ω Load)
Figure 4-3. Total Harmonic Distortion + Noise vs 4 Ω Speaker Figure 4-4. Total Harmonic Distortion + Noise + NOISE vs 4 Ω
Power (SPKVDD = 5.5 V) Speaker Power (Gain = 18 dB)
Figure 4-5. Total Harmonic Distortion + Noise + NOISE vs 8 Ω Figure 4-6. Total Harmonic Distortion + Noise + NOISE vs 8 Ω
Speaker Power (SPKVDD = 5.5 V) Speaker Power (Gain = 18 dB)
Copyright © 2013, Texas Instruments Incorporated Typical Performance 15
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