Datasheet

LTC6090
17
6090fa
Typical applicaTions
Audio Power Amplifier
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE (%)
6090 TA06b
0.100
0
0.001
0.010
10 100 100000100001000
8Ω AT 50W
4Ω AT 100W
Total Harmonic Distortion Plus Noise
Analyzer Passband 10Hz to 80kHz
LT1166
V
TOP
SENSE+
V
BOTTOM
SENSE–
V
IN
V
OUT
I
LIM
+
100k
1k
100pF
I
LIM
+
LTC6090
100pF
100k
10Ω
1k
0.1Ω
IXTH50N20
IXTH24P20
6090 TA06a
OUT
0.1Ω
33.2k
40.2Ω
1nF
2.49k
1k
CZT5550
1N4148
CZT5401
1N4148
* USE SEVERAL SERIES RESISTORS TO REDUCE DISTORTION (i.e. 5 × 2kΩ).
33.2k
10k*
1nF
100pF
1N41481N4148
39.2Ω
20k
IN
499k
4
499Ω
1nF
9
1
7
5
8
6
2
3
–50V
50V
100pF
1k
F
F
1N4148
1N4148
22nF
H