LME49721MAX Datasheet, PDF (3/29 Pages) Texas Instruments – LME49721 High-Performance, High-Fidelity Rail-to-Rail Input/Output Audio Operational Amplifier

LME49721
www.ti.com
SNAS371C – SEPTEMBER 2007 – REVISED APRIL 2013
ELECTRICAL CHARACTERISTICS FOR THE LME49721
The following specifications apply for the circuit shown in Figure 1. V_S = 5V, R_L = 10kΩ, R_SOURCE = 10Ω, f_IN = 1kHz, and T_A =
25°C, unless otherwise specified.
Symbol
Parameter
Conditions
LME49721
Typical ⁽¹⁾
Limit ⁽²⁾
Units
(Limits)
THD+N
IMD
Total Harmonic Distortion + Noise
Intermodulation Distortion
A_V = +1, V_OUT = 2V_p-p,
R_L = 2kΩ
R_L = 600Ω
A_V = +1, V_OUT = 2V_p-p,
Two-tone, 60Hz & 7kHz 4:1
0.0002
0.0002
0.0004
0.001
% (max)
%
GBWP
Gain Bandwidth Product
20
15
MHz (min)
SR
FPBW
Slew Rate
Full Power Bandwidth
A_V = +1
8.5
V_OUT = 1V_P-P, –3dB
referenced to output magnitude
2.2
at f = 1kHz
V/μs (min)
MHz
t_s
Settling time
A_V = 1, 4V step
0.1% error range
800
ns
Equivalent Input Noise Voltage
f_BW = 20Hz to 20kHz,
A-weighted
e_n
Equivalent Input Noise Density
f = 1kHz
A-weighted
.707
1.13
μV_P-P
(max)
4
6
nV/√Hz
(max)
I_n
V_OS
ΔV_OS/ΔTemp
Current Noise Density
Offset Voltage
Average Input Offset Voltage Drift vs
Temperature
f = 10kHz
40°C ≤ T_A ≤ 85°C
4.0
fA/√Hz
0.3
1.5
mV (max)
1.1
μV/°C
PSRR
Average Input Offset Voltage Shift vs
Power Supply Voltage
103
85
dB (min)
ISO_CH-CH
Channel-to-Channel Isolation
f_IN = 1kHz
117
I_B
Input Bias Current
V_CM = V_S/2
40
ΔI_OS/ΔTemp
Input Bias Current Drift vs
Temperature
–40°C ≤ T_A ≤ 85°C
48
dB
fA
fA/°C
I_OS
V_IN-CM
Input Offset Current
V_CM = V_S/2
Common-Mode Input Voltage Range
60
fA
(V+) – 0.1
(V-) + 0.1
V (min)
CMRR
Common-Mode Rejection
1/f Corner Frequency
V_SS - 100mV < V_CM < V_DD + 100mV
93
2000
70
dB (min)
Hz
A_VOL
Open Loop Voltage Gain
V_OUTMIN
Output Voltage Swing
I_OUT
I_OUT-SC
R_OUT
Output Current
Short Circuit Current
Output Impedance
V_SS - 200mV < V_OUT < V_DD + 200mV
R_L = 600Ω
R_L = 2kΩ
R_L = 10kΩ
R_L = 600Ω
R_L = 10kΩ, V_S = 5.0V
R_L = 250Ω, V_S = 5.0V
f_IN = 10kHz
Closed-Loop
Open-Loop
118
122
130
V_DD – 30mV
V_SS + 30mV
V_DD – 10mV
V_SS + 10mV
9.7
100
0.01
46
100
115
V_DD – 80mV
V_SS + 80mV
V_DD – 20mV
V_SS + 20mV
9.3
dB (min)
dB (min)
dB (min)
V (min)
V (min)
V (min)
V (min)
mA (min)
mA
Ω
I_S
Quiescent Current per Amplifier
I_OUT = 0mA
2.15
3.25
mA (max)
(1) Typical values represent most likely parametric norms at T_A = +25ºC, and at the Recommended Operation Conditions at the time of
product characterization and are not ensured.
(2) Datasheet min/max specification limits are ensured by test or statistical analysis.
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