Datasheet

LM4950
SNAS174E –JULY 2003–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics (continued)
THD+N vs Output Power THD+N vs Output Power
Figure 53. V
DD
= 16V, R
L
= 8Ω, Figure 54. V
DD
= 16V, R
L
= 4Ω, A
V
= 10 SE operation,
BTL operation, f
IN
= 1kHz, BTLA
V
= 20 f
IN
= 1kHz, both channels driven and loaded
(average shown)
Channel-to-Channel Crosstalk vs Frequency Channel-to-Channel Crosstalk vs Frequency
Figure 55. V
DD
= 16V, R
L
= 4Ω, P
OUT
= 1W, SE operation Figure 56. V
DD
= 16V, R
L
= 8Ω, P
OUT
= 1W, SE operation
at (from top to bottom at 1kHz): V
INB
driven, at (from top to bottom at 1kHz): V
INB
driven,
V
OUTA
measured; V
INA
driven, V
OUTB
measured V
OUTA
measured; V
INA
driven, V
OUTB
measured
Power Supply Current vs Power Supply Voltage Power Supply Current vs Power Supply Voltage
Figure 57. R
L
= 8Ω, BTL operation V
IN
= 0V, R
SOURCE
= 50Ω Figure 58. R
L
= 4Ω, SE operation
V
IN
= 0V, R
SOURCE
= 50Ω
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