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LM831 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM831
Description  LM831 Low Voltage Audio Power Amplifier
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 2 page
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Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage VS
75V
Input Voltage VIN
g
04V
Power Dissipation (Note 1) PD
13W (M Package)
14W (N Package)
Operating Temperature (Note 1) Topr
b
40 Cto a85 C
Storage Temperature Tstg
b
65 Cto a150 C
Junction Temperature Tj
a
150 C
Lead Temp (Soldering 10 sec) TL
a
260 C
Thermal Resistance
iJC (DIP)
27 CW
iJA (DIP)
75 CW
iJC (SO Package)
20 CW
iJA (SO Package)
95 CW
Electrical Characteristics
Unless otherwise specified TA e 25 C VS e 3V f e 1 kHz test circuit is dual or BTL amplifier with minimum parts
Symbol
Parameter
Conditions
Typ
Tested Limit
Unit (Limit)
VS
Operating Voltage
3
18
V(Min)
3
6
V(Max)
IQ
Supply Current
VIN e 0 Dual Mode
5
10
mA (Max)
VIN e 0 BTL Mode
6
15
mA (Max)
VOS
Output DC Offset
VIN e 0 BTL Mode
10
50
mV (Max)
RIN
Input Resistance
25
15
k (Min)
35
k (Max)
AV
Voltage Gain
VIN e 225 mVrms f e 1 kHz
46
44
dB (Min)
Dual Mode
48
dB (Max)
PSRR
Supply Rejection
VS e 3V a 200 mVrms
f e 1 kHz
46
30
dB (Min)
POD
Power Out
VS e 3V RL e 4X
220
150
mW (Min)
10% THD Dual Mode
PODL
Power Out Low VS
VS e 18V RL e 4X
45
10
mW (Min)
10% THD Dual Mode
POB
Power Out
VS e 3V RL e 8X
440
300
mW (Min)
10% THD BTL Mode
POBL
Power Out Low VS
VS e 18V RL e 8X
90
20
mW (Min)
10% THD BTL Mode
Sep
Channel Separation
Referenced to VO e 200 mVrms
52
40
dB (Min)
IB
Input Bias Current
1
2
m
A (Max)
En0
Output Noise
Wide Band (250 E 35 kHz)
250
500
m
V (Max)
THD
Distortion
VS e 3V PO e 50 mW
025
1
% (Max)
f e 1 kHz Dual
Note 1
For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance
of 98 CW junction to ambient for the M package or 90 CW junction to ambient for the N package
Connection Diagram
Dual-In-Line Package
TLH6754 – 2
Top View
Order Number LM831M or N
See NS Package Number M16B or N16E
2




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