LME49830 Datasheet, PDF (9/23 Pages) National Semiconductor (TI) – Mono High Fidelity 200 Volt MOSFET Power Amplifier Input Stage with Mute

LME49830
www.ti.com
10
SNAS396D – JANUARY 2008 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
THD+N vs Output Voltage
+V_CC = -V_EE = 20V, f = 20Hz
THD+N vs Output Voltage
+V_CC = -V_EE = 20V, f = 1kHz
10
1
1
0.1
BW = 80 kHz
0.01
0.1
BW = 80 kHz
0.01
0.001
BW = 30 kHz
0.0001
100m
1
10 20
OUTPUT VOLTAGE (V_RMS)
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
0.0001
100m
BW = 30 kHz
1
10 20
OUTPUT VOLTAGE (V_RMS)
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
1
10 20
OUTPUT VOLTAGE (V_RMS)
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 = 200mV_RMS on V_CC pin
0
-20
-40
-60
-80
-100
-120
-140
-160
20 100
1k
10k
100k
FREQUENCY (Hz)
Figure 22.
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