LM831M National Semiconductor, LM831M Datasheet
LM831M
Specifications of LM831M
Available stocks
Related parts for LM831M
LM831M 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
... 220 440 200 rms 1 250 kHz Dual Dual-In-Line Package Top View Order Number LM831M 150 stg 150 260 Tested Limit Unit (Limit V(Min) 6 V(Max (Max (Max (Max (Min (Max (Min (Max (Min) 150 mW (Min (Min) 300 mW (Min (Min) ...
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) ...
Page 13
... Physical Dimensions inches (millimeters) Molded SO Package (M) Order Number LM831M NS Package Number M16B 13 ...
Page 14
... Hong Kong Ltd 49) 0-180-530 85 86 13th Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...