TDA7491HV13TR STMicroelectronics, TDA7491HV13TR Datasheet - Page 15

• Manufacturer Part Number: TDA7491HV13TR
• Description: IC AMP AUD CLASS D BTL PWRSSO36
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TDA7491HV13TR

• Output Type: 2-Channel
• Max Output Power X Channels @ Load: 20W x 2 @ 8 Ohm
• Voltage - Supply: 5 V ~ 18 V
• Features: Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: *
• Amplifier Class: D
• No. Of Channels: 2
• 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
• Other names: 497-11055-2

TDA7491HV
Figure 11. Power supply rejection ratio vs. frequency
Figure 12. Power dissipation and efficiency vs. output power
Figure 13. Closed-loop gain vs. frequency
Test Condition:
Vcc =14V,
RL= 4 ohm,
Rosc = 39k , Cosc = 100nF,
Vin=0,
Gv=30dB,
0dB refers to 500mV,100Hz
Tamb=25
Test Condition:
Vcc =14V,
RL= 4 ohm,
Rosc = 39k , Cosc = 100nF,
F=1kHz,
0dB@f=1kHz,,Po=1w,
Gain=32dB
Tamb=25
Test Condition:
Vcc=14V,
RL=4 ohm,
Rosc=39k , Cosc=100nF,
f =1kHz,
Gv=30dB,
Tamb=25
B
A
d
r
B
A
d
r
+1.5
+0.5
-0.5
-1.5
-2.5
-3.5
-4.5
+2
+1
-0
-1
-2
-3
-4
-5
20
-100
Doc ID 14242 Rev 5
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
20
Gain=22dB
50
Gain=32dB
50
100
100
200
Ripple frequency=100Hz
Ripple voltage=500mV
200
Gain=26dB
500
Gain=32dB
500
Hz
Hz
1k
Vcc=14V
Rload=4ohm
Gain=30dB
f=1kHz
1k
2k
Characterization curves
2k
5k
5k
10k
10k
20k
30k
20k
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