HA13155
33 W × 4-Channel BTL Power IC
ADE-207-187A (Z)
2nd Edition
Jul. 1999
Description
The HA13155 is four-channel BTL amplifier IC designed for car audio, featuring high output and low
distortion, and applicable to digital audio equipment. It provides 33 W output per channel, with a 13.7 V
power supply and at Max distortion.
Functions
• 4 ch BTL power amplifiers
• Built-in standby circuit
• Built-in muting circuit
• Built-in protection circuit (surge, T.S.D, and ASO)
Features
• Requires few external parts
• Popping noise minimized
• Low output noise
• Built-in high reliability protection circuit
• Pin to pin with HA13150A/HA13151/HA13152/HA13153
HA13155
Block Diagram
11
13
C11
0.1 µ/16 V
C9
14
IN V
STBY
2
IN-1
1
IN-2
IN-3
CC
Buffer & Mute-1
Buffer & Mute-2
Buffer & Mute-3
PV
18
CC
PVCC1
2
Amp-1
Amp-2
Amp-3
6
4400 µ/16 V
3
R1
2.2
4
5
R2
2.2C20.1 µ
7
R3
2.2
8
9
R4
2.2C40.1 µ
15
R5
2.2
16
C1
0.1 µ
C3
0.1 µ
C5
0.1 µ
V
CC
13.2 V
17
R6
2.2C60.1 µ
19
20
21
R7
2.2
0.1 µ
R8
2.2C80.1 µ
C7
R9
7.5 k
10
23
IN-4
MUTE
Buffer & Mute-4
Protector
(ASO, Surge, TSD)
12 22 TAB
10 µ/10 V
Amp-4
C10
C1 to C8 should be polyester film capacitors with no secondary resonance (non-inductive),
to assure stable operation.
Notes: Standby
1.
Power is turned on when a signal of
3.5 V or 0.05 mA is impressed at pin 2.
When pin 2 is open or connected to
5 V
2
37.5 k
23.5 k
Q1 ON
BIAS ON
GND, standby is turned on (output off).
Muting
2.
Muting is turned off (output on) when
a signal of 3.5 V or 0.2 mA is impressed
at pin 10.
When pin 10 is open or connected to
5 V
10
25 k
Q2 ON
MUTE ON
GND, muting is turned on (output off).
TAB (header of IC) connected to GND.3.
Unit R: Ω
C: F
↓
↓
2
Absolute Maximum Ratings
Item Symbol Rating Unit
Operating supply voltage V
Supply voltage when no signal*
Peak supply voltage*
Output current*
Power dissipation*
2
3
4
1
CC
VCC (DC) 26 V
VCC (PEAK) 50 V
IO (PEAK) 4 A
P
T
Junction temperature Tj 150 °C
Operating temperature Topr –30 to +85 °C
Storage temperature Tstg –55 to +125 °C
Notes: 1. Tolerance within 30 seconds.
2. Tolerance in surge pulse waveform.
3. Value per 1 channel.
4. Value when attached on the infinite heat sink plate at Ta = 25 °C.
The derating carve is as shown in the graph below.
100
18 V
83 W
HA13155
83 W
(W)
T
50
Power dissipation P
28 W
0
25
A: When heat sink is infinite (θj-a = 1.5°C/W)
B: When θf (thermal resistance of heat sink) = 3°C/W
(θj-a = 4.5°C/W)
A
B
50
85
100
Ambient temperature Ta (°C)
150
3
HA13155
Electrical Characteristics (VCC = 13.2 V, f = 1 kHz, RL = 4 Ω, Rg = 600 Ω, Ta = 25°C)
Item Symbol Min Typ Max Unit Test Conditions
Quiescent current I
Output offset voltage ∆V
Gain G
Gain difference between
channels
Rated output power Po — 19 — W VCC = 13.2 V
Max output power Pomax — 33 — W VCC = 13.7 V, RL = 4 Ω
Total harmonic distortion T.H.D. — 0.02 — % Po = 3 W
Output noise voltage WBN — 0.15 — mVrms Rg = 0 Ω
Ripple rejection SVR — 55 — dB Rg = 600 Ω, f = 120 Hz
Channel cross talk C.T. — 70 — dB Rg = 600 Ω
Input impedance Rin — 25 — kΩ
Standby current IQ2——10µA
Standby control voltage
(high)
Standby control voltage
(low)
Muting control voltage
(high)
Muting control voltage
(low)
Muting attenuation ATTM — 70 — dB Vout = 0 dBm
1 — 300 — mA Vin = 0
Q
–250 0 +250 mV
30.5 32 33.5 dB
–1.0 0 +1.0 dB
∆G
Q
V
V
THD = 10%, R
BW = 20 to 20 kHz
Vout = 0 dBm
V
STH
V
STL
V
MH
V
ML
3.5 — V
CC
0 — 1.5 V
3.5 — V
CC
0 — 1.5 V
V
V
= 4 Ω
L
4