TDA7498 Datasheet, PDF (13/28 Pages) STMicroelectronics – 100-watt + 100-watt dual BTL class-D audio amplifier

TDA7498
Characterizations
3.2
3.2.1
Characterization curves
Unless otherwise stated the measurements were made under the following conditions:
V_CC = 36 V, f = 1 kHz, G_V = 25.6 dB, R_OSC = 39 kΩ, C_OSC = 100 nF, Tamb = 25 °C
For R_L = 6 Ω
Figure 5. Output power (THD = 10%) vs. supply voltage
120
110
Output power (W)
100
90
80
70
60
50
40
30
20
10
+10 +12 +14 +16 +18 +20 +22 +24 +26 +28 +30 +32 +34 +36
Supply voltage (V)
Figure 6.
THD vs. output power
10
5
THD+N (%)
2
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
100m 200m
500m
1
f = 1 kHz
f = 100 Hz
2
5
10
20
Output power (W)
50
100 200
Doc ID 16107 Rev 8
13/28