Datasheet

0
20
40
60
80
100 120
140
160
AMBIENT TEMPERATURE (°C)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
POWER DISSIPATON (W)
480mm
2
120mm
2
0mm
2
NOTE 13
LM4890
www.ti.com SNAS138L –SEPTEMBER 2001–REVISED MAY 2013
Typical Performance Characteristics (continued)
LM4890 vs LM4877 Power Supply Rejection Ratio LM4890 vs LM4877 Power Supply Rejection Ratio
V
DD
= 5V, Input Grounded = 10Ω V
DD
= 3V, Input Grounded = 10Ω
Output Load = 8Ω, 200mV Ripple Output Load = 8Ω, 200mV Ripple
Figure 38. LM4890 = Bottom Trace Figure 39. LM4890 = Bottom Trace
LM4877 = Top Trace LM4877 = Top Trace
Power Derating Curves (P
DMAX
= 670mW) Power Derating - 8 bump DSBGA (P
DMAX
= 670mW)
Note: (P
DMAX
= 670mW for 5V, 8Ω) Note: (P
DMAX
= 670mW for 5V, 8Ω)
Figure 40. Ambient Temperature in Degrees C Figure 41. Ambient Temperature in Degrees C
Power Derating - 9 bump DSBGA (P
DMAX
= 670mW) Power Derating - 10 Pin LD Pkg (P
DMAX
= 670mW)
Note: (P
DMAX
= 670mW for 5V, 8Ω)
Note: (P
DMAX
= 670mW for 5V, 8Ω)
Figure 42. Ambient Temperature in Degrees C Figure 43. Ambient Temperature in Degrees C
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