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NTE7119
Integrated Circuit
22W BTL (2 x 11W) Stereo Power Amplifier
Description:
The NTE7119 integrated circuit is a class–B dual output amplifier in a 9–Lead SIP type package de-
signed primarily for use in car radio applications. This device contains two identical amplifiers with
differential input stages. The gain of each amplifier is fixed at 40dB.
Features:
D Stereo or BTL Application
D Few External Components for BTL
D High Output Power
D Low Offset Voltage at Output
D Fixed Gain
D Good Ripple Rejection
D Mute/Stand–by Switch
D Load Dump Protection
D Thermally Protected
D Reverse Polarity Safe
D Ability to Handle High Energy on Outputs
D No Switch–ON/OFF Pop
D Low Thermal Resistance
D Short Circuit Protected
Absolute Maximum Ratings:
Supply Voltage, VP
Operatring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Non–Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V
Load Dump Protected (during 50ms, tr 2.5ms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V
AC and DC Short–Circuit Safe Voltage, VPSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Reverse Polarity, VPR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V
Energy Handling Capability at Outputs (VP = 0V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mJ
Non–Repetitive Peak Output Current, IOSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A
Repetitive Peak Output Current, IORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A
Total Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W
Crystal Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C

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DC Characteristics: (VP = 14.4V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply
Supply Voltage Range
Total Quiescent Current
DC Output Voltage
DC Output Offset Voltage
Mute/Stand–by Switch
VP
Itot
VO
|V46|
Note 1
Note 2
6.0 14.4 18.0 V
40 80 mA
6.95
V
– – 250 mV
SwitchON Voltage Level
Mute Condition
Output Signal in Mute Position
DC Output Offset Voltage
Standby Condition
DC Current in Standby Condition
SwitchON Current
VON
Vmute
VO
|V46|
Vsb
Isb
Isw
VI = 1V (max), f = 20Hz to 15kHz
8.5 – – V
3.3 6.4 V
– – 20 mV
– – 250 mV
02V
– – 100 µA
12 40 µA
Note 1. The circuit is DC adjusted at VP = 6V to 18V and AC operating at VP = 8.5V to 18V.
Note 2. At 18V < VP < 30V the DC output voltage VP/2.
AC Characteristics: (VP = 14.4V, RL = 4, f = 1kHz, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Stereo Application
Output Power
PO THD = 0.5%, Note 3
THD = 10%, Note 3
45
5.5 6.0
W
W
Total Harmonic Distortion
Low Frequency RollOff
High Frequency RollOff
Closed Loop Voltage Gain
Supply Voltage Ripple Rejection
ON
Mute
Standby
THD
fL
fH
GV
RR
THD = 0.5%, RL = 2, Note 3
THD = 10%, RL = 2, Note 3
PO = 1W
3dB, Note 4
1dB, Note 4
Note 5, Note 6
Note 5, Note 7
Note 5, Note 6, Note 7
Note 5, Note 6, Note 7
7.5 8.5 W
10 11 W
0.1 %
45 Hz
20
kHz
39 40 41 dB
40
45
45
80
dB
dB
dB
dB
Input Impedance
Noise Output Voltage (RMS Value)
ON
Mute
Channel Separation
Channel Unbalance
|Zi|
Vno(rms)
α
|GV|
RS = 0, Note 8
RS = 10k, Note 8
Note 9
RS = 10k
50 60 75 k
150 µV
250 500 µV
120 µV
40
dB
0.1 1 dB
Note 3. Output power is measured directly at the output pins of the IC.
Note 4. Frequency response externally fixed.
Note 5. Ripple rejection measured at the output with a source impedance of 0(maximum ripple
amplitude of 2V)
Note 6. Frequency f = 100Hz.
Note 7. Frequency between 1kHz and 10kHz.
Note 8. Noise voltage measured in a bandwidth of 20Hz to 20kHz.
Note 9. Noise output voltage independent of RS (VI = 0V).

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AC Characteristics: (VP = 14.4V, RL = 4, f = 1kHz, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max
BTL Application
Output Power
PO THD = 0.5%, Note 3
THD = 10%, Note 3
15 17
20 22
Total Harmonic Distortion
Power Bandwidth
Low Frequency RollOff
High Frequency RollOff
Closed Loop Voltage Gain
Supply Voltage Ripple Rejection
ON
Mute
Standby
THD
BW
fL
fH
GV
RR
THD = 0.5%, VP = 13.2V, Note 3
THD = 10%, VP = 13.2V, Note 3
PO = 1W
THD = 0.5%, PO = 1dB, w.r.t 15W
1dB, Note 4
1dB, Note 4
13
17.5
0.1
35 to 15,000
45
20
45 46 47
Note 5, Note 6
Note 5, Note 7
Note 5, Note 6, Note 7
Note 5, Note 6, Note 7
34
48
48
80
Input Impedance
Noise Output Voltage (RMS Value)
ON
Mute
|Zi|
Vno(rms)
RS = 0, Note 8
RS = 10k, Note 8
Note 9
25 30 38
200
350 700
180
Unit
W
W
W
W
%
Hz
Hz
kHz
dB
dB
dB
dB
dB
k
µV
µV
µV
Note 3. Output power is measured directly at the output pins of the IC.
Note 4. Frequency response externally fixed.
Note 5. Ripple rejection measured at the output with a source impedance of 0(maximum ripple
amplitude of 2V)
Note 6. Frequency f = 100Hz.
Note 7. Frequency between 1kHz and 10kHz.
Note 8. Noise voltage measured in a bandwidth of 20Hz to 20kHz.
Note 9. Noise output voltage independent of RS (VI = 0V).

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Pin Connection Diagram
(Front View)
1 NonInvert Input
2 GND (Signal)
3 RR
4 Output 1
5 GND (Substrate)
6 Output 2
7 VP
8 Mute/Standby Switch
9 Invert Input
.961 (24.4)
.780 (19.8)
.185 (4.7)
.489
(12.4)
.079
9 1 (2.0)
.674
(17.0)
.079 (2.0)
.100 (2.54)