TDA7491MV STMicroelectronics, TDA7491MV Datasheet - Page 15

• Manufacturer Part Number: TDA7491MV
• Description: Audio Amplifiers 25W Mono BTL Class-D 4-Select dB
• Manufacturer: STMicroelectronics

Specifications of TDA7491MV

• Amplifier Class: D
• No. Of Channels: 1
• Output Power: 20W
• Supply Voltage Range: 5V To 18V
• Thd + N: 0.1% @ 1W, 8ohm, VCC=18V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7491MV
Figure 14. Attenuation vs voltage on pin STBY
Figure 15. Power supply rejection ratio vs frequency
Test Condition :
Vcc = 5~18V,
RL = 8 ohm,
Rosc =39k O , Cosc =100nF,
0dB@f=1kHz, Po=1w,
Gv =30dB,
Tamb =25℃
Test Condition :
Vcc = 18V,
RL = 8 ohm,
Rosc =39k O , Cosc =100nF,
Vin=0,
Gv =30dB,
Tamb =25℃
d
B
A
Doc ID 14576 Rev 2
r
-100
-100
-110
-110
-120
-120
-130
-130
-10
-10
-20
-20
-30
-30
-40
-40
-50
-50
-60
-60
-70
-70
-80
-80
-90
-90
10
10
0
0
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
0
0
20
T
0.5
0.5
50
Vcc=18V
Rload=8ohm
Gain=30dB
0dB@f=1kHz,Po=1W
Attenuation vs Standby voltage
Attenuation vs Standby voltage
100
Ripple frequency=100Hz
Ripple voltage=500mV
1
1
200
Standby voltage (V)
Standby voltage (V)
1.5
1.5
500
Hz
1k
2
2
Characterization curves
2k
2.5
2.5
5k
3
3
10k
20k
3.5
3.5
15/28