NTE7051 NTE-7051 | ECG7051 ECG-7051 | NTE Electronics
NTE7051
Integrated Circuit
1W BTL Mono Audio Amplifier
Description:
The NTE7051 is a mono output amplifier in an 8-Lead DIP style plastic package designed for use in battery-fed portable audio applications such as tape recorderes and radios.
This device uses the Bridge-Tied-Load principle (BTL) which can deliver an output power of 1.2W (THD = 10%) into an 8 Ohm load with a power supply of 6V. The load can be short-circuited at each signal excursion.
Features:
- No External Components
- No Switch-On or Switch-Off Clicks
- Good Overall Stability
- Low Power Consumption
- No External Heatsink Required
- Short-Circuit Proof
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Absolute Maximum Ratings:
Supply Voltage, VP |
|
18V |
Non-Repetitive Peak Output Current, IOSM |
|
1.5A |
Total Power Dissipation (TA = +25°C), Ptot |
|
1.15W |
Operating Junction Temperature, TJ |
|
+150°C |
Storage Temperature Range, Tstg |
|
-65° to +150°C |
Electrical Characteristics: (TA = +25°C, VP = 6V, RL = 8 Ohms, f = 1kHz unless otherwise specified)
Parameter |
Symbol |
Test Conditions |
Min |
Typ |
Max |
Unit |
Supply Voltage Range |
VP |
|
3 |
6 |
15 |
V |
Total Quiescent Current |
Itot |
RL = Infinity |
- |
4 |
8 |
mA |
Voltage Gain |
GV |
|
39 |
40 |
41 |
dB |
Output Power |
PO |
THD = 10% |
- |
1.2 |
- |
W |
Noise Output Voltage (RMS) |
Vno(rms) |
Note 1 |
- |
150 |
300 |
µV |
Note 2 |
- |
60 |
- |
µV |
Frequency Response |
fr |
|
20 to 20k |
Hz |
Supply Voltage Ripple Rejection |
SVRR |
Note 3 |
40 |
50 |
- |
dB |
DC Output Offset Voltage (Pin5 to Pin8) |
V5-8 |
RS = 5k Ohms |
- |
- |
100 |
mV |
Total Harmonic Distortion |
THD |
PO = 0.1W |
- |
0.2 |
- |
% |
Input Impedance |
|ZI| |
|
- |
100 |
- |
k Ohms |
Input Bias Current |
Ibias |
|
- |
100 |
300 |
nA |
Note 1. | The unweighted RMS noise output voltage is measured at a bandwidth of 60Hz to 15kHz with a source impedance (RS) of 5k Ohms. |
Note 2. | The RMS noise output voltage is measured at a bandwidth of 5kHz with a source impedance of 0 Ohms and a frequency of 500kHz. With a practical load (R = 8 Ohms, L = 200µH) the noise output current is only 100nA. |
Note 3. | Ripple Rejection is measured at the output with a source impedance of 0 Ohms and a frequency between 100Hz and 10kHz. The ripple voltage = 200mV (RMS value) is applied to the positive supply rail. |
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