NTE1388
Integrated Circuit
Audio Power Amplifier, 5.8W,
for Car Radio, Car Stereo
Features:
D High Gain (52dB. Typ) and High Output (5.8W Typ)
D Soft Clip
D Few External Components
D Built–In Thermal Cutoff Circuit Protects Against Load Short, Overload
D Built–In Pop Noise Prevention Circuit Protects Against Power Supply ON Noise
D May Be Used for Bridge Amplifier Applications (P
= 18W, RL = 4Ω)
O
Absolute Maximum Ratings:
Maximum Supply Voltage, V
(TA = +25°C unless otherwise specified)
max 18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
Maximum Output Current (Pin1: Sink, Pin8: Source, Pin10: Sink, Note 1), I
Surge Supply Voltage (t ≤ 0.2sec), V
Allowable Power Dissipation, P
Operating Temperature Range, T
Storage Temperature Range, T
Note 1. 100 x 100 x 1.5mm
3
Al heat sink used.
Recommended Operating Conditions:
Parameter Symbol Test Conditions Min Typ Max Unit
Recommended Supply Voltage V
Load Resistance R
surge
max 7W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D
opr
stg
(TA = +25°C unless otherwise specified)
CC
L
O
4.5A. . . . . . . . . . . .
–20° to +75°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
– 13.2 – V
– 4 – Ω
40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 13.2V, RL = 4Ω, f = 1kHz, 100 x 100 x 1.5mm
Al heat sink unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
3
Quiescent Current I
Voltage Gain VG Closed Loop 51 53 55 dB
Output Power PO (1) THD = 10%, RL = 4Ω 5.0 5.8 – W
Total Harmonic Distortion THD PO = 1W – 0.7 2.0 %
Input Resistance r
Output Noise Voltage V
CCO
Open Loop Based on a Specific Circuit – 70 – dB
PO (2) THD = 10%, RL = 2Ω – 9.0 – W
i
NO
Rg = 10kΩ, No Filter – 1.2 2.5 mV
– 35 80 mA
– 30 – kΩ
Function of External Components:
The recommended number of external components used with the NTE1388 is 4 pieces as follows:
D Feedback Capacitor from Pin5, C
D Pin7 to Pin10 Bootstrap Capaciter, C
D Output Capacitor from Pin10, C
D High Frequency Paracitic Oscillation Compensating Capacitor, C
NF
BS
OUT
X
The fixed values of these components are:
C
C
C
C
NF
BS
OUT
X
= 100µF
= 100µF
= 1000µF
= 0.15µF
Pin Connection Diagram
(Front View)
10
9
8
7
6
5
4
3 N.C.
2
1
Output
N.C.
GND
Bootstrap
Filter
Filter
Decoupling
Input
V
CC