NTE1685
Integrated Circuit
Dual AF Power Amp, 3.5W
Features:
D
High Output: 3.5W typ. x 2
D
Soft Clip, Causing Little Harmonic Disturbance to Radios
D
Small Pop Noise at the Time of Power Switch ON/OFF
D
Builtin Protector Against Abnormal Modes (Thermal Shutdown, Overvoltage)
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
Maximum Supply Voltage, V
CC
max
25V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Output Current, I
O
peak
2.0A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Allowable Power Dissipation, P
d
max
7.5W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
20
to +75
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions: (T
A
= +25
C unless otherwise specified)
Recommended Supply Voltage, V
CC
16V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Supply Voltage Range, V
CC
9V to 24V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Load Resistance, R
L
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, V
CC
= 16V, R
L
= 8
, f = 1kHz, R
g
= 600
unless
otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
I
CCO
46
62
mA
Voltage Gain
V
G
48
50
52
dB
Output Power
P
O
THD = 10%
3.0
3.5
W
Total Harmonic Distortion
THD
P
O
= 0.5W
0.3
1.0
%
Output Noise Voltage
V
NO
R
g
= 10k
, BW = 20Hz to 20kHz
0.65
1.5
mW
Ripple Rejection Ratio
R
r
R
g
= 0, V
r
= 500mW
40
50
dB
Crosstalk
CT
R
g
= 10k
, BW = 20Hz to 20kHz
40
55
dB
Channel Balance
VG
1.5
dB
PDF 
ZIP