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Электронный компонент: NTE7000

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NTE7000
Integrated Circuit
5W Audio Amplifier with Muting
Description:
The NTE7000 is a monolithic integrated circuit in a 16Lead DIP type package intended for use
as a low frequency power amplifier in a wide range of applications in radio and TV sets.
Features:
D
Muting Facility
D
Protection Against Chip Over Temperature
D
Very Low Noise
D
High Supply Voltage Rejection
D
Low "SwitchOn" Noise
D
Voltage Range: 4V to 30V
Absolute Maximum Ratings:
Supply Voltage, V
S
30V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Peak Current, I
O
NonRepetitive
3A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repetitive
2.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input Voltage, V
I
0 to +V
S
V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Input Voltage, V
I
7V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Muting Threshold Voltage, V
11
V
S
V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
tot
T
A
= +80
C
1W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
C
= +60
C
6W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature Range, T
j
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (T
A
= +25
C, R
th
(heatsink) = 20
C/W, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
V
S
4
30
V
Quiescent Output Voltage
V
O
V
S
= 4V
1.6
2.1
2.5
V
V
S
= 14V
6.7
7.2
7.8
V
V
S
= 30V
14.4
15.5
16.8
V
Electrical Characteristics (Cont'd):
(T
A
= +25
C, R
th
(heatsink) = 20
C/W, unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Drain Current
I
d
V
s
= 4V
15
mA
V
S
= 14V
17
mA
V
S
= 30V
21
35
mA
Output Stage Saturation
V
CEsat
I
C
= 1A
0.5
V
Voltage
I
C
= 2A
1
V
Output Power
P
O
d = 10%,
f = 1kHz
V
S
= 9V, R
L
= 4
,
Note 1
2.2
2.5
W
V
S
= 14V, R
L
= 4
5
5.5
W
V
S
= 18V, R
L
= 8
5
5.5
W
V
S
= 24V, R
L
= 16
4.5
5.3
W
Harmonic Distortion
d
f = 1kHz
V
S
= 9V, R
L
= 4
,
P
O
= 50mW to 1.5W
0.1
%
V
S
= 14V, R
L
= 4
,
P
O
= 50mW to 3W
0.1
%
V
S
= 18V, R
L
= 8
,
P
O
= 50mW to 3W
0.1
%
V
S
= 24V, R
L
= 16
,
P
O
= 50mW to 3W
0.1
%
Input Sensitivity
V
i
f = 1kHz
V
S
=9V, R
L
=4
,
P
O
=2.5W
37
mV
V
S
=14V, R
L
=4
,
P
O
=5.5W
49
mV
V
S
=18V, R
L
=8
,
P
O
=5.5W
73
mV
V
S
=24V, R
L
=16
,
P
O
=5.3W
100
mV
Input Saturation Voltage
V
i
V
S
= 9V
0.8
V
(rms)
V
S
= 14V
1.3
V
V
S
= 18V
1.8
V
V
S
= 24V
2.4
V
Input Resistance (Pin8)
R
i
f = 1kHz
60
100
K
Note 1. With an external resistor of 100
between Pin3 and +V
S
.
Electrical Characteristics (Cont'd):
(T
A
= +25
C, R
th
(heatsink) = 20
C/W, unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Drain Current
I
d
f = 1kHz
V
S
=9V, R
L
=4
,
P
O
=2.5W
380
mA
V
S
=14V, R
L
=4
,
P
O
=5.6W
550
mA
V
S
=18V, R
L
=8
,
P
O
=5.5W
410
mA
V
S
=24V, R
L
=16
,
P
O
=5.3W
295
mA
Efficiency
f = 1kHz
V
S
=9V, R
L
=4
,
P
O
=2.5W
73
%
V
S
=14V, R
L
=4
,
P
O
=5.5W
71
%
V
S
=18V, R
L
=8
,
P
O
=5.6W
74
%
V
S
=24V, R
L
=16
,
P
O
=5.3W
75
%
Small Signal Bandwidth
(3dB)
BW
V
S
= 14V, R
L
= 4
, P
O
= 1W
40 to 40,000
Hz
Voltage Gain (Open Loop)
G
V
V
S
= 14V, f = 1kHz
75
dB
Voltage Gain
(Closed Loop)
G
V
V
S
= 14V, R
L
= 4
, f = 1kHz,
P
O
= 1W
39.5
40.0
40.5
dB
Total Noise Input
e
N
R
g
= 50
1.2
V
R
g
= 1k
1.3
R
g
= 10k
1.5
4.0
Note 2
R
g
= 50
2.0
R
g
= 1k
2.0
R
g
= 10k
2.2
5.0
Signal to Noise Ratio
S/N
V
S
= 14V,
R
g
= 10k
90
dB
P
O
=
5.5W,
R
g
= 0
92
5.5W,
R
L
= 4
R
g
= 10k
,
Note 2
87
R
g
= 0, Note 2
87
Supply Voltage Rejection
SVR
V
S
= 18V, R
L
= 8
, R
G
= 10k
,
f
ripple
= 100Hz, V
ripple
= 0.5V
rms
40
50
dB
Thermal ShutDown
Case Temperature
T
sd
P
tot
= 2.5W
115
C
Note 2. Filter with noise bandwidth: 22Hz to 22kHz.
Muting Function:
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
MutingOff Threshold
Voltage (Pin4)
V
T(OFF)
1.9
4.7
V
MutingOn Threshold
V
T(ON)
0
1.3
V
Voltage (Pin4)
6.2
V
S
Input Resistance (Pin5)
R
5
Muting Off
80
200
k
Muting On
10
30
Input Resistance (Pin4)
R
4
150
k
Muting Attenuation
A
T
R
g
+ R
1
= 10k
50
60
dB
Pin Connection Diagram
V
S
1
2
3
4
Output
Bootstrap
Threshold
5
Muting
6
Inverting Input
7
SVR
16
15
14
13
GND
GND
GND
GND
12
GND
11
GND
10
GND
8
NonInverting Input
9
GND
.260 (6.6) Max
16
9
1
8
.785 (19.9)
Max
.200 (5.08)
Max
.245
(6.22)
Min
.300
(7.62)
.700 (17.7)
.100 (2.54)