ICs for Audio Common Use
1
AN7511, AN7511S
1-W BTL audio power amplifier
a73 Overview
The AN7511 and AN7511S are the audio power am-
plifier ICs with 1-ch output. The BTL (Balanced Trans-
former-Less) method can provide fewer external parts and
more easy design for applications.
a73 Features
• 1-W output (8 Ω) with supply voltage of 5 V: AN7511
• 0.5-W output (16 Ω) with supply voltage of 5 V: AN7511S
• On-chip standby function
• On-chip muting function
a73 Applications
• Televisions, radios, and personal computers
a73 Block Diagram
Attenuator
Ripple
rejection
circuit
Thermal
shutdown
Attenuator
control
1
3 42
5
6
8
7
V
CC Standby
GND
(for output)
Output
Output
GND MuteInput
28 dB
28 dB
DIP008-P-0300
SOP008-P-0225C
Unit: mm
Unit: mm AN7511S
AN7511
6.4±0.2
7.62±0.303° to 15°
0.30
+0.10
–0.05
3.35±0.20 3.89±0.20
0.30±0.26
2.5
4
0.5
0.9 1.0
1.3 1.5
9.2±0.2
1
2
3
4
8
7
6
5
0.50±0.20
0° to10°
0.15±0.10
(1.05)
5.01±0.20
4.30±0.20 6.40±0.20
Seating plane
1.75max.1.45±0.10
0.40
+0.10
–0.05
0.10
1.27(0.60)
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