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LME49740 Datasheet, PDF (3/20 Pages) National Semiconductor (TI) – Quad High Performance, High Fidelity Audio Operational Amplifier
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Power Supply Voltage
(VS = V+ - V-)
Storage Temperature
Input Voltage
Output Short Circuit (Note 3)
Power Dissipation
36V
−65°C to 150°C
(V-) - 0.7V to (V+) + 0.7V
Continuous
Internally Limited
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
 θJA (MA)
 θJA (NA)
Temperature Range
TMIN ≤ TA ≤ TMAX
Supply Voltage Range
2000V
200V
150°C
107°C/W
74°C/W
–40°C ≤ TA ≤ 85°C
±2.5V ≤ VS ≤ ± 17V
Electrical Characteristics (Notes 1, 2) The following specifications apply for VS = ±15V, RL = 2kΩ, fIN = 1kHz,
and TA = 25C, unless otherwise specified.
Symbol
Parameter
Conditions
LME49740
Typical
Limit
(Note 6) (Notes 7, 8)
Units
(Limits)
THD+N
IMD
Total Harmonic Distortion + Noise
Intermodulation Distortion
AV = 1, VOUT = 3VRMS
RL = 2kΩ
RL = 600Ω
AV = 1, VOUT = 3VRMS
Two-tone, 60Hz & 7kHz 4:1
0.00003
0.00003
0.00005
0.00009
% (max)
% (max)
% (max)
GBWP
Gain Bandwidth Product
55
45
MHz (min)
SR
Slew Rate
±20
±15
V/μs (min)
FPBW
Full Power Bandwidth
VOUT = 1VP-P, –3dB
referenced to output magnitude
10
at f = 1kHz
MHz
ts
Settling time
AV = 1, 10V step, CL = 100pF
0.1% error range
1.2
μs
Equivalent Input Noise Voltage
fBW = 20Hz to 20kHz
en
Equivalent Input Noise Density
f = 1kHz
f = 10Hz
0.34
0.65
μVRMS
2.7
4.7
 nV/√Hz
6.4
 nV/√Hz
in
Current Noise Density
f = 1kHz
f = 10Hz
1.6
 pA/√Hz
3.1
 pA/√Hz
VOS
Offset Voltage
ΔVOS/ΔTemp
Average Input Offset Voltage Drift vs
Temperature
40°C ≤ TA ≤ 85°C
±0.1
±0.7
mV (max)
0.2
μV/°C
PSRR
Average Input Offset Voltage Shift vs
Power Supply Voltage
ΔVS = 20V (Note 9)
120
110
dB (min)
ISOCH-CH
Channel-to-Channel Isolation
IB
ΔIOS/ΔTemp
Input Bias Current
Input Bias Current Drift vs
Temperature
fIN = 1kHz
fIN = 20kHz
VCM = 0V
–40°C ≤ TA ≤ 85°C
118
dB
112
dB
10
72
nA (max)
0.1
nA/°C
IOS
VIN-CM
Input Offset Current
VCM = 0V
Common-Mode Input Voltage Range
11
+14.1
–13.9
65
(V+)–2.0
(V-)+2.0
nA (max)
V (min)
V (min)
CMRR
ZIN
AVOL
Common-Mode Rejection
Differential Input Impedance
Common Mode Input Impedance
Open Loop Voltage Gain
–10V<VCM<10V
–10V<VCM<10V
–10V<VOUT<10V, RL = 600Ω
–10V<VOUT<10V, RL = 2kΩ
–10V<VOUT<10V, RL = 10kΩ
120
30
1000
140
140
140
110
dB (min)
kΩ
MΩ
dB (min)
dB (min)
125
dB (min)
3
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