LM831N National Semiconductor, LM831N Datasheet
LM831N
Specifications of LM831N
Available stocks
Related parts for LM831N
LM831N Summary of contents
Page 1
... AM radio applications This compensation also results in lower distortion and less wide-band noise The input is direct-coupled to the LM831 eliminating the usual coupling capacitor Voltage gain is adjustable with a single resistor Typical Application C 1995 National Semiconductor Corporation TL H 6754 Features Low voltage operation High power 440 mW 8 ...
Page 2
... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage V S Input Voltage V IN Power Dissipation (Note Package Package) Operating Temperature (Note opr Electrical Characteristics Unless otherwise specified T ...
Page 3
Typical Performance Characteristics Supply Current vs Supply Voltage Supply Current vs Temperature DC Output vs Supply Voltage PSRR vs Supply Voltage PSRR vs Supply Voltage Separation vs Supply Voltage 6754– 4 ...
Page 4
Typical Performance Characteristics Separation vs Frequency Gain vs Frequency Gain vs Frequency (Continued) Power Output vs Supply Voltage Power Output vs Temperature Bandwidth vs BW Capacitance 6754 – 5 ...
Page 5
Typical Performance Characteristics Dual Mode R 4 Distortion vs Frequency e L Distortion vs Power Output (Note 2) Power Dissipation vs Power Output (Continued) Dual Mode R 8 Distortion vs Frequency e L Distortion vs Power Output (Note 2) Power ...
Page 6
Typical Performance Characteristics BTL Mode R 8 Distortion vs Frequency e L Distortion vs Power Output (Note 2) Power Dissipation vs Power Output (Continued) Device Dissipation vs Ambient Temperature Supply Current vs Power Output Note 2 1 kHz curve is ...
Page 7
Typical Applications BTL Amplifier with Minimum Parts 250 kHz 440 OUT L BTL Amplifier for Hi-Fi Quality ...
Page 8
Typical Applications (Continued) Low-Cost Power Amplifier (No Bootstrap) For 3-cell applications the 120k resistor should be changed to 20K Dual Amplifier for Hi-Fi Quality kHz 220 mW Ch ...
Page 9
LM831 Circuit Description The power supply is applied to Pin 9 and is filtered by resis- tor R and capacitor C on Pin 16 This filtered voltage Pin 16 is used to bias all of the LM831 ...
Page 10
LM831 Circuit Description (Continued) 10 ...
Page 11
External Components (Refer to External Component Diagram) Component C Required to stabilize output stage O C Output coupling capacitors for Dual Mode Sets a low-frequency pole in c the frequency response C Bootstrap capacitors Sets a low-frequency pole in the ...
Page 12
... Printed Circuit Layout for LM831N Note Power ground pattern should be as wide as possible Supply bypass capacitor should be as close to the IC as possible Output compensation capacitors should also be close to the IC (Foil Side View) Refer to External Component Diagram 6754– 14 ...
Page 13
Physical Dimensions inches (millimeters) Molded SO Package (M) Order Number LM831M NS Package Number M16B 13 ...
Page 14
... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Molded Dual-In-Line Package (N) Order Number LM831N NS Package Number N16E 2 A critical component is any component of a life ...