TDA7266 STMicroelectronics, TDA7266 Datasheet - Page 6

• Manufacturer Part Number: TDA7266
• Description: IC AMP AUDIO 7W STER MULTIWATT15
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7266

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 7W x 2 @ 8 Ohm
• Voltage - Supply: 3 V ~ 18 V
• Features: Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: Multiwatt-15 (Vertical, Bent and Staggered Leads)
• Product: Class-AB
• Output Power: 7 W
• Available Set Gain: 26 dB
• Thd Plus Noise: 0.05 %
• Operating Supply Voltage: 11 V
• Supply Current: 2 A
• Maximum Power Dissipation: 33000 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Audio Load Resistance: 8 Ohms
• Input Signal Type: Single
• Minimum Operating Temperature: 0 C
• Output Signal Type: Differential
• Supply Type: Single
• Supply Voltage (max): 18 V
• Supply Voltage (min): 3 V
• No. Of Channels: 2
• Supply Voltage Range: 3V To 18V
• Thd + N: 0.05% @ 1W, 8ohm, VCC=11V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Amplifier Case Style: Multiwatt
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3669

TDA7266
Figure 4: Distortion vs Output Power
TH D (% )
Figure 6: Distortion vs Frequency
THD(%)
Figure 8: Output Power vs. Supply Voltage
U
6/9
2 0.000
1 8.000
1 6.000
1 4.000
1 2.000
1 0.000
8 .0000
6 .0000
4 .0000
2 .0000
0 .0
0.010
0.0 10
P o(W)
0.1
10
0.1
10
1
0.1
2 .000
1
100
f = 5 K H z
4 .000
f = 1 K H z
V cc = 11 V
R l = 8 ohm
V cc = 11 V
Rl = 8 o hm
6 .000
R l = 8 o hm
f = 1KH z
P ou t = 100 m W
8 .000
frequency (Hz)
f = 15 K H z
1k
V s(V )
P ou t (W )
1 0.00
1
1 2.00
P ou t = 2W
d = 10%
1 4.00
d = 1%
1 6.00
10k
1 8.00
20k
10
Figure 5: Distortion vs Output Power
Figure 7: Gain vs Frequency
Figure 9: Total Power Dissipation & Efficiency
T H D (% )
Level(dBr)
Ptot(W)
8
7
6
5
4
3
2
1
0
0.0 10
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
5.0000
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8
0.1
10
1
0.1
10
vs. Output Power
Ptot
f = 5 K Hz
100
V cc = 9V
Rl= 8 o h m
f = 1 KH z
Vcc = 11V
Rl = 8 ohm
Pout = 1W
f = 1 5K H z
µ
frequency (Hz)
2 X Pout(W)
Po u t (W )
1
1k
Vcc = 11V
Rl = 8ohm (both channels)
f = 1KHz
10k
µ(%)
100k
10
80
70
60
50
40
30
20
10
0