LME49810 Datasheet, PDF (8/21 Pages) National Semiconductor (TI) – 200V Audio Power Amplifier Driver with Baker Clamp

LME49810
SNAS391C – MAY 2007 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Data taken with Bandwidth = 30kHz, AV = 29dB, CC = 10pF, and TA = 25°C except where specified.
THD+N vs Output Voltage
+V_CC = –V_EE = 20V, f = 20Hz
10
THD+N vs Output Voltage
+V_CC = –V_EE = 20V, f = 1kHz
10
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1
0.1
BW=80 kHz
0.01
1
0.1
BW=80 kHz
0.01
0.001
BW=30 kHz
0.0001
100m
12
10 20
OUTPUT VOLTAGE (Vrms)
Figure 17.
THD+N vs Output Voltage
+V_CC = –V_EE = 20V, f = 20kHz
10
1
0.1
BW=80 kHz
0.01
0.001
BW=30 kHz
0.0001
100m
12
10 20
OUTPUT VOLTAGE (Vrms)
Figure 19.
Closed Loop Frequency Response
+V_CC = –V_EE = 100V, V_IN = 1V_RMS
3
2
1
0
-1
-2
-3
20 100
1k
10k
FREQUENCY (Hz)
Figure 21.
200k
0.001
BW=30 kHz
0.0001
100m
12
10 20
OUTPUT VOLTAGE (Vrms)
Figure 18.
Closed Loop Frequency Response
+V_CC = –V_EE = 50V, V_IN = 1V_RMS
3
2
1
0
-1
-2
-3
20 100
1k
10k
FREQUENCY (Hz)
Figure 20.
200k
PSRR vs Frequency
+V_CC = –V_EE = 100V,
No Filters, Input referred, V_RIPPLE = 1V_RMS on V_CC pin
-60
-70
-80
-90
-100
-110
-120
-130
20
100
1k
10k
FREQUENCY (Hz)
Figure 22.
100k
8
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