LME49810 Datasheet, PDF (10/21 Pages) National Semiconductor (TI) – 200V Audio Power Amplifier Driver with Baker Clamp

LME49810
SNAS391C – MAY 2007 – REVISED APRIL 2013
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TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Data taken with Bandwidth = 30kHz, AV = 29dB, CC = 10pF, and TA = 25°C except where specified.
Open Loop Gain and Phase Margin
+V_CC = –V_EE = 100V
CMRR vs Frequency
+V_CC = –V_EE = 100V
200
200
120
180
180
160
160
100
140
140
120
120
80
100
100
80
60
80
60
60
40
40
40
20
0
-20
10
100 1k
10k 100k 1M
20
0
-20
10M 100M
20
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
FREQUENCY (Hz)
Figure 29.
Figure 30.
Noise Floor
+V_CC = –V_EE = 50V, V_IN = 0V
1m
Noise Floor
+V_CC = –V_EE = 100V, V_IN = 0V
1m
500P
500P
200P
100P
50P
BW=30 kHz
200P
100P
50P
BW=30 kHz
20P
10P
20
A-WEIGHTED
100
1k
FREQUENCY (Hz)
Figure 31.
10k 20k
20P
10P
20
A-WEIGHTED
100
1k
FREQUENCY (Hz)
Figure 32.
10k 20k
Baker Clamp Flag Output
+V_CC = –V_EE = 100V, V_IN = 4V_RMS, f_IN = 20kHz
Ch1: Output, Ch2: CLPFLAG Output
Figure 33.
10
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