LM1876 Overture Audio Power Amplifier Series Dual 20W Audio ...

LM1876
Absolute Maximum Ratings (Notes 4, 5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage |V CC |+|V EE |
(No Input)
Supply Voltage |V CC |+|V EE |
(with Input)
Common Mode Input Voltage
Differential Input Voltage
Output Current
64V
64V
(V CC or V EE ) and
|V CC |+|V EE | ≤ 54V
54V
Internally Limited
Power Dissipation (Note 6) 62.5W
ESD Susceptability (Note 7)
2000V
Junction Temperature (Note 8)
150˚C
Thermal Resistance
Isolated TF-Package
θ JC
Non-Isolated T-Package
θ JC
Soldering Information
TF Package (10 sec.)
Storage Temperature
Operating Ratings (Notes 4, 5)
Temperature Range
T MIN ≤ T A ≤ T MAX
Supply Voltage |V CC |+|V EE | (Note 1)
2˚C/W
1˚C/W
260˚C
−40˚C to +150˚C
−20˚C ≤ T A ≤ +85˚C
20V to 64V
Electrical Characteristics (Notes 4, 5)
The following specifications apply for V CC = +22V, V EE = −22V with R L =8Ωunless otherwise specified. Limits apply for T A =
25˚C.
Symbol Parameter Conditions LM1876 Units
Typical Limit
(Limits)
(Note 9) (Note 10)
|V CC | + Power Supply Voltage GND − V EE ≥ 9V 20 V (min)
|V EE | (Note 11) 64 V (max)
P O Output Power THD + N = 0.1% (max),
(Note 3) (Continuous Average) f = 1 kHz
|V CC |=|V EE | = 22V, R L =8Ω 20 15 W/ch (min)
|V CC |=|V EE | = 20V, R L =4Ω(Note 13) 22 15 W/ch (min)
THD + N Total Harmonic Distortion 15 W/ch, R L =8Ω 0.08 %
Plus Noise 15 W/ch, R L =4Ω,|V CC |=|V EE | = 20V 0.1 %
20 Hz ≤ f ≤ 20 kHz, A V =26dB
X talk Channel Separation f = 1 kHz, V O = 10.9 Vrms 80 dB
SR Slew Rate V IN = 1.414 Vrms, t rise = 2 ns 18 12 V/µs (min)
(Note 3)
I total Total Quiescent Power Both Amplifiers V CM = 0V,
(Note 2) Supply Current V O = 0V, I O =0mA
Standby: Off 50 80 mA (max)
Standby: On 4.2 6 mA (max)
V OS Input Offset Voltage V CM = 0V, I O = 0 mA 2.0 15 mV (max)
(Note 2)
I B Input Bias Current V CM = 0V, I O = 0 mA 0.2 0.5 µA (max)
I OS Input Offset Current V CM = 0V, I O = 0 mA 0.002 0.2 µA (max)
I O Output Current Limit |V CC |=|V EE | = 10V, t ON = 10 ms, 3.5 2.9 Apk (min)
V O =0V
V OD Output Dropout Voltage |V CC –V O |, V CC = 20V, I O = +100 mA 1.8 2.3 V (max)
(Note 2) (Note 12) |V O –V EE |, V EE = −20V, I O = −100 mA 2.5 3.2 V (max)
PSRR Power Supply Rejection Ratio V CC = 25V to 10V, V EE = −25V, 115 85 dB (min)
(Note 2)
V CM = 0V, I O =0mA
V CC = 25V, V EE = −25V to −10V 110 85 dB (min)
V CM = 0V, I O =0mA
CMRR Common Mode Rejection Ratio V CC = 35V to 10V, V EE = −10V to −35V, 110 80 dB (min)
(Note 2)
V CM = 10V to −10V, I O =0mA
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