MP38 ? MP38A
TYPICAL PERFORMANCE GRAPHS
140
120
100
POWER DERATING
10
1
HARMONIC DISTORTION
A V = 10 150W
V S = ±96V
R L = 24Ω
20
10
SOA
10ms
1ms
100μs
10μs
80
60
40
20
0.1
0.01
0.5W
5W
50W
1
85°C
25°C
120
100
-20
0
0 20 40 60 80 100
CASE TEMPERATURE, T C (°C)
SMALL SIGNAL RESPONSE
140
47pF
100pF
80
0.001
100 1K 10K 100K
FREQUENCY, F(Hz)
SMALL SIGNAL PHASE
0
47pF
100pF
-40
220pF
-60 470pF
-80
0.2
5 10 100 200
SUPPLY TO OUTPUT DIFFERENTIAL, V S -V O (V)
POWER RESPONSE
1K
47pF
100
100pF
60
40
20
0
-20
1
220pF
470pF
100 10K 1M
FREQUENCY, F (Hz)
100M
-100
-120
-140
-160
-180
-200
1
470pF
220pF
100pF
47pF
100 10K 1M
FREQUENCY, F (Hz)
100M
10
1
10
470pF
220pF
100
FREQUENCY (KHz)
1K
-V B =
70
60
50
40
30
SLEW RATE vs. COMP.
10
9
8
7
6
5
4
OUTPUT VOLTAGE SWING
-V S
+V B = +V S
+V B = + S
20
10
3
2
1
-V B
= -V S
-10
V
V +
10V
0
0
100
200
300
400
500
0
0
2
4
6
8
10
COMPENSATION CAPACITOR, (pF)
OUTPUT CURRENT, I O (A)
PULSE RESPONSE PULSE RESPONSE
BOOST OPERATION
With the VB feature the small signal stages of the amplifier are operated at higher supply voltages than the ampli-
fier's high current output stage. +V S (pins 12-14) and –V S (pins 18-20) are connected to the high current output
stage. An additional 10V on the V B pins is sufficient to allow the small signal stages to drive the output transistors
into saturation and improve the output voltage swing for extra efficient operation when required. When close swing
to the supply rails is not required the +V B and +V S pins must be strapped together as well as the –V B and –V S pins.
The boost voltage pins must not be at a voltage lower than the V S pins.
MP38U   
 
 
 
 
 
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