LM49153_15 Datasheet, PDF (9/31 Pages) Texas Instruments – Mono Audio Subsystem with Class G Headphone Amplifier, Class D Speaker Amplifier, Noise Gate and Speaker Protection

LM49153
www.ti.com
SNAS496C – JANUARY 2011 – REVISED MAY 2013
Typical Performance Characteristics⁽¹⁾ (continued)
PSRR vs FREQUENCY
V_DD = 3.6V, HPV_DD = 1.8V, V_DD-RIPPLE = 200mV_P-P
R_L = 8Ω, Mono Input, LS Mode
0
PSRR vs FREQUENCY
V_DD = 3.6V, HPV_DD = 1.8V, V_DD-RIPPLE = 200mV_P-P
R_L = 8Ω, Stereo Input, LS Mode
0
-10
-10
-20
-20
-30
-30
-40
-40
-50
-50
-60
-70
-60
-80
-70
-90
-80
-100
10
100
1000 10000 100000
-90
10
100
1000 10000 100000
FREQUENCY (Hz)
Figure 9.
FREQUENCY (Hz)
Figure 10.
PSRR vs FREQUENCY
V_DD = 3.6V, HPV_DD = 1.8V, V_DD-RIPPLE = 200mV_P-P
R_L = 32Ω, Mono Input, HP Mode
0
-20
-40
-60
-80
-100
-120
10
100
1000 10000 100000
FREQUENCY (Hz)
Figure 11.
PSRR vs FREQUENCY
V_DD = 3.6V, HPV_DD = 1.8V, HPV_DD-RIPPLE = 200mV_P-P
R_L = 32Ω, Mono Input, HP Mode
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
100
1000 10000 100000
FREQUENCY (Hz)
Figure 12.
SUPPLY CURRENT vs SUPPLY VOLTAGE
No Load, Loudspeaker Mode 2
8
7
6
5
4
3
2
2
3
4
5
6
SUPPLY VOLTAGE (V)
Figure 13.
SUPPLY CURRENT vs SUPPLY VOLTAGE
No Load, Loudspeaker Mode 4
4
3.5
3
2.5
2
1.5
1
0.5
0
1.7
1.8
1.9
2
SUPPLY VOLTAGE (V)
Figure 14.
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