TDA7491HV13TR STMicroelectronics, TDA7491HV13TR Datasheet - Page 12

• 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

Characterization curves
4
4.1
12/41
Characterization curves
The following characterization curves were made using the TDA7491HV demo board. The
LC filter for the 4-Ω load uses components of 15 µH and 470 nF, whilst that for the 6-Ω load
uses 22 µH and 220 nF and that for the 8-Ω load uses 33 µH and 220 nF.
With 4-Ω load at V
Figure 3.
Figure 4.
Test Condition:
Vcc=14V,
RL=4 ohm,
Rosc=39k , Cosc=100nF,
f =1kHz,
Gv=30dB,
Tamb=25
Test Condition :
Vcc = 5~14V,
RL = 4 ohm,
Rosc = 39k , Cosc =100nF,
f =1kHz,
Gv = 30dB,
Tamb = 25
Specification Limit:
Typical:
Vs =14V,Rl = 4 ohm
Po = 20W @THD =10%
Po =16W @THD =1%
Specification Limit:
Typical:
Po=20W @ THD=10%
Output power vs. supply voltage
THD vs. output power (1 kHz)
CC
Doc ID 14242 Rev 5
= 14 V
0.05
0.02
0.01
0.5
0.2
0.1
10
100m
THD (%)
5
2
1
200m
500m
THD vs. Output Power
1
Output Power (W)
2
5
10
20
TDA7491HV