ICs for Audio Common Use
AN5277
Dual Channel SEPP Power Amplifier
■ Overview
The AN5277 is a monolithic integrated circuit designed
for 10.0 W (26 V, 8 Ω)output audio power amplifier. It is
a dual channel SEPP IC suitable for stereo operation in
TV application.
■ Features
• Few external components :
• No Boucherot cells(output C, R)
• No Bootstrap Capacitors
• No Negative Feedback Capacitors
• Built-in muting circuit
• Built-in standby circuit
• Built-in various protection circuits (Load-short, thermal,
over-voltage and current)
• High ripple rejection(55 dB)
• Compatible with AN5275, AN5276
• Operating voltage range 10 ∼ 32 V(26 V typ.)
■ Applications
• TV
■ Block Diagram
28.0±0.3
29.75±0.30
φ3.6
(10.0)(10.0)
20.0±0.3
R1.8
0.6
1.2±0.1
HSIP012-P-0000A
7.7±0.3
(12.5)
21.9±0.3
19.1±0.3
(1.2)
Unit : mm
121
(1.27) (1.3)
(1.27)
+0.15
–0.05
0.6
2.54
+0.10
–0.05
1.45±0.151.80±0.15
0.25
29.6±0.3
3.5±0.3
1
N.C.
2
ch.1 In.
Ripple
filter
3
RF
Att.
4
GND
5
(Input)
ch.2 In
6
N.C.
7
ch.2 Out
Att. con
8
Mute
Protection circuit
Temperature
Over voltage
Over current
Load short
9
10
GND
(Output)
11
12
CC
V
Standby
ch.1 Out
1
AN5277 ICs for Audio Common Use
■ Pin Descriptions
Pin No. Description
1N.C.
2 ch.1 Input
3 Ripple Filter
4 Input GND
5 ch.2 Input
6N.C.
■ Absolute Maximum Ratings
Parameter Symbol Ratings Unit
Supply voltage V
Supply current I
Power dissipation
Operating ambient temperature
Storage temperature
Note) *1:Ta = 25 °C except operating ambient temperature and storage temperature.
*2: At Ta = 70 °C.
*2
*1
*1
CC
CC
P
D
T
opr
T
stg
Pin No. Description
7 ch.2 Output
8 Mute
9 Output GND
10 V
CC
11 Standby
12 ch.1 Output
35.0 V
4.0 A
37.5 W
−25 to +75 °C
−55 to +150 °C
■ Recommended Operating Range
Parameter Symbol Range Unit
Supply voltage V
CC
10.0 to 32.0 V
■ Electrical Caracteristics at VCC = 26 V, RL = 8 Ω, f = 1 kHz, Ta = 25 °C
Parameter Symbol Conditions Min Typ Max Unit
Quiescent current I
Output end noise voltage
*1
V
Voltage gain G
Total harmonic distortion
*1
THD VIN = 57 mV 0.2 0.4 %
Maximum output power P
Ripple rejection ratio
*1
RR VR = 1 Vrms,fR = 120 Hz, RG = 10 kΩ, 45 55 dB
Channel balance CB VIN = 57 mV −1.0 0 1.0 dB
Muting ratio MR VIN = 57 mV 70 80 dB
Muting control voltage V
Standby control voltage 'on' V
Standby control voltage 'off' V
MUTEVIN
STDON
STDOFF
Channel crosstalk CT VIN = 57 mV,RG = 10 kΩ 50 60 dB
Note) *1: For this measurement, use the 20 Hz to 20 kHz(12 dB/OCT) filter.
VIN = 0 mV 40 80 mA
CQ
No input,RG = 10 k 0.22 0..4 mV
NO
VIN = 57 mV 32 34 36 dB
V
VCC = 26 V,THD = 10 % 8.0 10.0 W
O
= 57 mV, MR≥70 dB 3.0 V
No input, ICC≤0.1 mA 5.0 V
No input, ICC≥20 mA 8.5 V
2