LME49724 Datasheet, PDF (5/30 Pages) National Semiconductor (TI) – High Performance, High Fidelity, Fully-Differential Audio Operational Amplifier

LME49724
www.ti.com
SNAS438A – NOVEMBER 2008 – REVISED APRIL 2013
Electrical Characteristics ⁽¹⁾⁽²⁾ (continued)
The following specifications apply for V_S = ±15V, R_L = 2kΩ, f_IN = 1kHz, and T_A = 25°C, unless otherwise specified.
Symbol
Parameter
Conditions
LME49724
Typical ⁽³⁾
Limit ⁽⁴⁾
Units
(Limits)
NOISE
Equivalent Input Noise Voltage
f_BW = 20Hz to 20kHz
e_N
Equivalent Input Noise Density
f = 1kHz
f = 10Hz
0.30
0.64
μV_RMS
(max)
2.1
nV/√Hz
3.7
(max)
INPUT CHARACTERISTICS
V_OS
Offset Voltage
ΔV_OS/ΔTemp
Average Input Offset Voltage Drift vs
Temperature
–40°C ≤ T_A ≤ 85°C
±0.2
±1
mV (max)
0.5
μV/°C
I_B
I_OS
ΔI_OS/ΔTemp
Input Bias Current
Input Offset Current
Input Bias Current Drift vs
Temperature
V_CM = 0V
V_CM = 0V
–40°C ≤ T_A ≤ 85°C
60
200
nA (max)
10
65
nA (max)
0.1
nA/°C
V_IN-CM
Common-Mode Input Voltage Range
CMRR
Common-Mode Rejection
Differential Input Impedance
Z_IN
Common-Mode Input Impedance
OUTPUT CHARACTERISTICS
–10V < V_CM < 10V
–10V < V_CM < 10V
±14
V_CC – 1.5
V_EE + 1.5
V (min)
V (min)
102
95
dB (min)
16
kΩ
500
MΩ
V_OUTMAX
I_OUT-CC
R_OUT
Maximum Output Voltage Swing
Instantaneous Short Circuit Current
Output Impedance
R_L = 600Ω
R_L = 2kΩ
R_L = 10kΩ
f_IN = 10kHz
Closed-Loop
Open-Loop
52
52
53
80
0.01
23
50
V_P-P (min)
V_P-P
V_P-P
mA
Ω
Ω
C_LOAD
Capacitive Load Drive Overshoot
C_L = 100pF
5
%
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