1481

NTE1481
Integrated Circuit
Dual Recording Output Amplifier
Applications:
D Suitable for dual amplifiers of line output, of recording output, or headphone driving.
Features:
D Wide operation voltage range
D Small pop noise
D Dual amplifiers installed
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22V
Current Dissipation (Pin2: Flow In, Pin7, Pin8: Flow Out Only), ICC . . . . . . . . . . . . . . . . . . . . . 0.5A
Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.05W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Recommended Operation Condition: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Ω
Electrical Characteristics: (TA = +25°C, VCC = 12V, RL = 39Ω, f = 1kHz, Rg = 600Ω unless
otherwise specified)
Parameter
Min
Typ
Max
Unit
ICCO
5
8
15
mA
Voltage Gain
VG
–
38
–
dB
Output Voltage
VO
1.9
2.2
–
V
Quiescent Current
Total Harmonic Distortion
Input Resistance
Output Noise Voltage
Separation
Channel Balance
Symbol
Test Conditions
THD = 1%
THD
VO = 1V
–
0.1
0.5
%
ri
VO = 1V
20
30
40
kΩ
Rg = 1kΩ, f = 15Hz to 30kHz
–
100
200
µV
–45
–65
–
dB
–
–
1
dB
VNO
Pin Connection Diagram
Tab
N.C. 1
14 N.C.
VCC 2
Bias 3
13 Bypass
12 Bias
Ch 1 Input 4
11 Ch 2 Input
Feedback 5
10 Feedback
Ch 1 Output 6
9 Ch 2 Output
GND 7
.099 (2.52)
14
8 GND
8
.252
(6.45)
1
.082 (2.1) Dia
.265
(6.5)
7
.748 (19.0)
.300
(7.62)
.167
(4.26)
.100 (2.54)
.236 (6.0)
.137 (3.5)
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