Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- KEY SPECIFICATIONS
- DESCRIPTION
- Absolute Maximum Ratings
- Operating Ratings
- Electrical Characteristics VDD = 5V
- Electrical Characteristics VDD = 3V
- Electrical Characteristics VDD = 2.6V
- External Components Description
- Typical Performance Characteristics
- Application Information
- BRIDGED CONFIGURATION EXPLANATION
- EXPOSED-DAP PACKAGE PCB MOUNTING CONSIDERATIONS FOR THE LM4890LD
- POWER DISSIPATION
- POWER SUPPLY BYPASSING
- SHUTDOWN FUNCTION
- SHUTDOWN OUTPUT IMPEDANCE
- PROPER SELECTION OF EXTERNAL COMPONENTS
- AUDIO POWER AMPLIFIER DESIGN
- LM4890 SOIC DEMO BOARD ARTWORK
- LM4890 VSSOP DEMO BOARD ARTWORK
- PCB LAYOUT GUIDELINES
- GENERAL MIXED SIGNAL LAYOUT RECOMMENDATIONS
- Revision History
- Page 1

-6 -4 -2 0 2 4 6
-80
-70
-60
-50
-40
-30
-20
-10
0
10
PSRR (dBr)
(V)V
OUTDC
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-3 -2 -1 0 1 2 3
PSRR (dBr)
(V)V
OUTDC
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-6 -4 -2 0 2 4 6
PSRR (dBr)
(V)V
OUTDC
-80
-70
-60
-50
-40
-30
-20
-10
0
10
-6 -4 -2 0 2 4
6
PSRR (dBr)
(V)V
OUTDC
LM4890
www.ti.com
SNAS138L –SEPTEMBER 2001–REVISED MAY 2013
Typical Performance Characteristics (continued)
Power Supply Rejection Ratio (PSRR) at A
V
= 2 Power Supply Rejection Ratio (PSRR) at A
V
= 2
V
DD
= 3.3V, V
ripple
= 200mvp-p, V
DD
= 2.6V, V
ripple
= 200mvp-p,
R
L
= 8Ω, R
IN
= 10Ω R
L
= 8Ω, R
IN
= 10Ω
Figure 26. Figure 27.
PSRR vs DC Output Voltage PSRR vs DC Output Voltage
V
DD
= 5V, A
V
= 2 V
DD
= 5V, A
V
= 4
Figure 28. Figure 29.
PSRR vs DC Output Voltage PSRR vs DC Output Voltage
V
DD
= 5V, A
V
= 10 V
DD
= 3V, A
V
= 2
Figure 30. Figure 31.
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