1815

NTE1815
Integrated Circuit
Module, AF PO, 20W,
Dual Power Supply
Features:
D Small–Sized Package Allows Audio Sets to be made Slimmer
D Facilitates Thermal Design of Slim Stereo Sets
D Constant–Current Circuit Minimizes Pop Noise During Power ON/OFF
D Possible to Design Electronic Supplementary Circuits:
Pop Noise Muting During Power ON/OFF
Load Short–Circuit Protector
Thermal Shutdown
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±34.5V
Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Case Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6°C/W
Available Time for Load Shorted (VCC = ±23V, RL = 8Ω, f = 50Hz, PO = 20W), ts . . . . . . . . . . . 2sec
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±23V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Electrical Characteristics: (TA = +25°C, VCC = ±23V, RL = 8Ω (Non–Inductive Load), Rg = 600Ω,
VG = 40dB unless otherwise specified)
Parameter
Quiescent Current
Output Power
Symbol
ICCO
PO
Test Conditions
Min
Typ
Max
Unit
VCC = ±28V
10
20
50
mA
THD = 0.4%, f = 20Hz to 20kHz
20
–
–
W
VCC = ±20V, THD = 1%, RL = 4Ω, f = 1kHz
20
–
–
W
–
–
0.3
%
Total Harmonic Distortion
THD
PO = 1W, f = 1kHz
Frequency Response
fL, fH
PO = 1W +0dB, –3dB
Input Resistance
ri
Output Noise Voltage
VNO
Middle–Point Voltage
VN
20 to 50k
Hz
PO = 1W, f = 1kHz
–
55
–
kΩ
VCC = ±28V, Rg = 10kΩ, Note 2
–
–
1.2
mVrms
–70
0
+70
mV
VCC = ±28V
Note 1. For power supply at the time of test, use a constant–voltage power supply unless otherwise
specified.
Note 2. The output noise voltage represents the peak value on the RMS scale (VTMV) of average
value indicating type. The noise voltage waveform includes no flicker noise.
Pin Connection Diagram
(Front View)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Bootstrap
(+) VCC
Output
(–) VCC
Compensation
I Adjust
Emitter Bypass
Compensation
I Adjust
Test Point
Bypass
Bias
Substrate
NFB
Input
2.330 (59.2)
.335 (8.5)
2.050 (52.0)
1.230
(31.2)
.827
(21.0)
1
15
.100 (2.54)
1.400 (35.6)
.158 (4.0)
1.110
(28.0)