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NTE1117
Ω
Integrated Circuit
Audio Power Amp, 2 Watt
Description:
The NTE1117 is a monolithic integrated audio amplifier in a 14–Lead DIP type plastic package designed for use as a low frequency class B amplifier with a wide range of supply voltage of 3V to 16V.
Features:
D Minimum Working Voltage of 3V
D Low Quiescent Current
D Low Number of External Components
D Good Ripple Rejection
D No Cross–Over Distortion
D Output Power:
P
= 2W at 12V – 8Ω
O
= 1.6W at 9V – 4Ω
P
O
P
= 1.2W at 9V – 8Ω
O
Absolute Maximum Ratings:
Supply Votlage, V
Output Peak Current, I
Power Dissipation (T
Operating Junction Temperature Range, T
Storage Temperature Range, T
S
O
= +50°C), P
A
tot
J
stg
Thermal Resistance, Junction–to–Ambient, R
–40° to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
thJA
16V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.25W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
80°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Voltage V
Quiescent Output Voltage (Pin12) V
Quiescent Drain Current I
Bias Current (Pin7) I
Output Power P
(TA = +25°C unless otherwise specified)
S
VS = 9V 4 4.5 5 V
O
VS = 9V – 4 – mA
d
VS = 9V – 0.1 – µA
b
d = 10%, f = 1kHZ,
O
Rf = 120
VS = 12V, RL = 8Ω – 2 – W
VS = 9V, RL = 4Ω – 1.6 – W
VS = 9V, RL = 8Ω – 1.2 – W
VS = 6V, RL = 4Ω – 0.75 – W
VS = 3.5V, RL = 4Ω – 0.22 – W
3 – 16 V
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Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specified)
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Parameter Symbol Test Conditions Min Typ Max Unit
Input Sensitivity V
Input Sensitivity V
Input Resistance R
Frequency Response (–3dB) B VS = 9V, RL = 8Ω,
Distortion d PO = 500mW, VS = 9V,
Voltage Gain (Open Loop) G
Voltage Gain (Closed Loop) G
Input Noise Voltage e
Input Noise Current i
Signal–to–Noise Ratio S + NNVS = 9V, PO = 1.2W, Rf = 120Ω, R1 = 100KΩ,
Supply Voltage Rejection SVR
i(rms)PO
i(rms)PO
i
V
V
N
N
= 1.2W, VS = 9V,
f = 1kHZ, RL = 8
= 50W, VS = 9V,
f = 1kHZ, RL = 8
Rf = 120
f = 1kHZ, RL = 8
VS = 9V, f = 1kHZ, RL = 8Ω – 75 – dB
VS = 9V, f = 1kH
RL = 8
VS = 9V, B = 22HZ to 22KH
B = 22H
to 22KH
Z
Z,
Z
Rf = 33
Rf = 120
Rf = 33
Rf = 120
CB = 680pF 25 to 7000 H
CB = 220pF 25 to 20000 H
Rf = 33Ω – 0.8 – %
Rf = 120Ω – 0.4 – %
Rf = 33Ω – 45 – dB
Rf = 120Ω – 34 – dB
Z
VS = 9V, RL = 8Ω, Rf = 120Ω,
f(ripple) = 100Hz, C6 = 50µF
– 16 – mV
– 60 – mV
– 3.5 – mV
– 12 – mV
– 5 – MΩ
Z
Z
– 3 – µV
– 0.4 – nA
– 70 – dB
– 42 – dB
Bootstrap
Ripple Rejection
N.C.
Compensation
Pin Connection Diagram
1
2
3
4
5Feedback
6N.C.
7Input
14
V
CC
Compensation
13
Output
12
N.C.
11
10 GND
9 N.C.
8 GND (Substrate)
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14 8
17
.785 (19.95) Max
.100 (2.45)
.600 (15.24)
.300 (7.62)
.200 (5.08)
Max
.099 (2.5) Min
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