NTE NTE7105

NTE7105
Integrated Circuit
Dual 10W + 10W Stereo Amplifier
Description:
The NTE7105 is an integrated circuit in aa 11−Lead Staggered SIP type package designed for high
quality stereo applications such as Hi−Fi and music centers.
Features:
D High Output Power: 10W + 10W Min @ THD = 1%
D High Current Capability: Up to 3.5A
D AC Short Circuit Protection
D Thermal Overload Protection
D Low Number of External Components
Absolute Maximum Ratings:
Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28V
Output Peak Current, IO
Repetitive, f ≥ 20Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5A
Non−Repetitive, t = 100μs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5A
Total Power Dissipation (TC = +90°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Electrical Characteristics: (TA = +25°C, VS = 24V, Gv = 36dB unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
8
−
28
V
Supply Voltage
VS
Quiescent Output Voltage
VO
VS = 24V
−
11.5
−
V
Total Quiescent Drain Current
Id
VS = 28V
−
60
120
mA
Output Power (Each Channel)
PO
THD = 1%, VS = 24V,
f = 1kH
1kHz
RL = 4Ω
−
12.5
−
W
RL = 8Ω
−
7.0
−
W
t = 40Hz to 12.5kHz
RL = 4Ω
10
−
−
W
RL = 8Ω
5
−
−
W
RL = 4Ω
−
7
−
W
RL = 8Ω
−
4
−
W
VS = 18V, f = 1kHz
Electrical Characteristics (Cont’d): (TA = +25°C, VS = 24V, Gv = 36dB unless otherwise specified)
Parameter
Total Harmonic Distortion
(E h Channel)
(Each
Ch
l)
Symbol
THD
Test Conditions
Min
Typ
Max
Unit
−
0.2
−
%
−
0.1
−
%
−
0.2
−
%
−
0.1
−
%
f = 1kHz
−
60
−
dB
f = 10kHz
−
50
−
dB
300
−
−
mV
f = 1kHz PO = 0.1 to 7W, RL = 4Ω
PO = 0.1 to 3.5W, RL = 8Ω
VS = 18V PO = 0.1 to 5W, RL = 4Ω
PO = 0.1 to 2.5W, RL = 8Ω
Crosstalk
CT
RL = ∞, Rg = 10kΩ
Input Saturation Voltage (rms)
VI
Input Resistance
RI
f = 1kHz, Non−Inverting Input
70
200
−
kΩ
Low Frequency Roll−Off (−3dB)
fL
RL = 4Ω
−
20
−
Hz
High Frequency Roll−Off (−3dB)
fH
RL = 4Ω
−
80
−
kHz
Voltage Gain
GV
f = 1kHz
Closed Loop Gain Matching
Total Input Noise Voltage
Supply Voltage Rejection
(Each Channel)
Thermal Shutdown Junction
Temperature
35.5 36.0 36.5
ΔGV
eN
SVR
dB
−
0.5
−
dB
Rg= 10kΩ
−
1.5
−
μV
Rg = 10kΩ, Note 1
−
2.5
8.0
μV
Rg = 10kΩ, fripple = 100Hz,
Vripple = 500mV
−
55
−
dB
−
145
−
°C
TJ
Note 1. 22Hz to 22kHz
Pin Connection Diagram
(Front View)
11
N.C.
10
Output 1
9
(+) VS
8
Output 2
7
N.C.
6
GND
5
(+) Input 2
4
(−) Input 2
3
SVRR
2
(−) Input 1
1
(+) Input 1
.196 (4.99)
.791 (20.1)
.062 (1.52)
.110 (2.79)
Note
.150 (3.81) Dia Max
.689
(17.5)
.696
(17.68)
1
11
.067 (1.7)
.858
(21.79)
.008 (.203)
NOTE: Tab Connected to Pin6
.200
(5.08)
.169 (4.29)