7070

NTE7070
Integrated Circuit
Dual Audio Power Amplifier, 6W/Ch
Features:
D High Power: POUT = 6W/Ch (Typ)
D Low Noise: VNO = 0.14mVrms (Typ)
D Operating Supply Voltage Range: VCC = 10V to 30V
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Peak Output Current, IO(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (TA = +25°C, VCC = 20V, RL = 8Ω, Rg = 600Ω, f = 1kHz unless
otherwise specified)
Parameter
Quiescent Supply Current
Output Power
Total Harmonic Distortion
Voltage Gain
Symbol
Min
Typ
Max
Unit
–
75
130
mA
POUT(1) THD = 10%
5.0
6.0
–
W
POUT(2) THD = 1%
–
4.5
–
W
–
0.1
0.6
%
32.5 34.0 35.5
dB
ICCQ
THD
GV
Test Conditions
VIN = 0
POUT = 2W
VOUT = 0dBm
GVO
–
60
–
dB
Input Resistance
RIN
–
30
–
kΩ
Ripple Rejection
R.R.
Rg = 0, fripple = 100Hz, Vripple = 0dBm
44
57
–
dB
Output Noise Voltage
VNO
Rg = 10kΩ, BW = 20Hz to 20kHz
–
0.14
0.3
mVrms
Pin Connection Diagram
(Front View)
12 Output 2
11 N.C.
10 PW–GND
9
VCC
8
N.C.
7
Output 1
6
Ripple Filter
5
Negative FB
4
Input 1
3
Pre–GND
2
Input 2
1
Negative FB
.630 (16.0)
.300 (7.62)
.170 (4.32)
.512
(13.02)
.603
(15.32)
1
12
.237
(6.02)
.070 (1.78)
.894 (22.72)
.079 (2.01)