Datasheet for Ic-dual AF PO 3.5w/ch

Datasheet for Ic-dual AF PO 3.5w/ch
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 Built–in Protector Against Abnormal Modes (Thermal Shutdown, Overvoltage)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V
Maximum Output Current, IOpeak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0A
Allowable Power Dissipation, Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5W
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Operating Supply Voltage Range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V to 24V
Recommended Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Ω
Electrical Characteristics: (TA = +25°C, VCC = 16V, RL = 8Ω, f = 1kHz, Rg = 600Ω unless
otherwise specified)
Parameter
Min
Typ
Max
Unit
ICCO
–
46
62
mA
Voltage Gain
VG
48
50
52
dB
Output Power
PO
THD = 10%
3.0
3.5
–
W
Total Harmonic Distortion
THD
PO = 0.5W
–
0.3
1.0
%
Output Noise Voltage
VNO
Rg = 10kΩ, BW = 20Hz to 20kHz
–
0.65
1.5
mW
Ripple Rejection Ratio
Rr
Rg = 0, Vr = 500mW
40
50
–
dB
Crosstalk
CT
Rg = 10kΩ, BW = 20Hz to 20kHz
40
55
–
dB
–
–
1.5
dB
Quiescent Current
Channel Balance
Symbol
∆VG
Test Conditions
Pin Connection Diagram
(Front View)
10 Output 1
9 VCC
8 Power Amp GND
7 Output 2
6 Feedback 2
5 Input 2
4 Preamp GND
3 Decoupling
2 Input 1
1 Feedback 1
1.030 (26.0)
.136 (3.45) Dia
(2 Holes)
.937 (23.8)
.473 (12.0)
.650
(16.5)
.142
(3.6)
.532
(13.5)
.138 (3.5)
.331
(8.4)
1
10
.100 (2.54)
.900 (22.8)
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