LME49720 Datasheet, PDF (4/36 Pages) Texas Instruments – LME49720 Dual High Performance, High Fidelity Audio Operational Amplifier

LME49720
SNAS393C – MARCH 2007 – REVISED APRIL 2013
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ELECTRICAL CHARACTERISTICS FOR THE LME49720 ⁽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
LME49720
Typical ⁽³⁾
Limit ⁽⁴⁾
ΔV_OS/ΔTemp
Average Input Offset Voltage Drift vs
Temperature
–40°C ≤ T_A ≤ 85°C
0.2
PSRR
Average Input Offset Voltage Shift vs
Power Supply Voltage
ΔV_S = 20V ⁽⁵⁾
120
110
ISO_CH-CH
I_B
ΔI_OS/ΔTemp
Channel-to-Channel Isolation
Input Bias Current
Input Bias Current Drift vs
Temperature
f_IN = 1kHz
f_IN = 20kHz
V_CM = 0V
–40°C ≤ T_A ≤ 85°C
118
112
10
72
0.1
I_OS
V_IN-CM
Input Offset Current
Common-Mode Input Voltage Range
V_CM = 0V
11
+14.1
–13.9
65
(V+) – 2.0
(V-) + 2.0
CMRR
Common-Mode Rejection
–10V<Vcm<10V
120
110
Differential Input Impedance
Z_IN
Common Mode Input Impedance
–10V<Vcm<10V
30
1000
A_VOL
V_OUTMAX
I_OUT
I_OUT-CC
Open Loop Voltage Gain
Maximum Output Voltage Swing
Output Current
Instantaneous Short Circuit Current
–10V<Vout<10V, R_L = 600Ω
–10V<Vout<10V, R_L = 2kΩ
–10V<Vout<10V, R_L = 10kΩ
R_L = 600Ω
R_L = 2kΩ
R_L = 10kΩ
R_L = 600Ω, V_S = ±17V
140
140
140
±13.6
±14.0
±14.1
±26
+53
–42
125
±12.5
±23
R_OUT
Output Impedance
f_IN = 10kHz
Closed-Loop
Open-Loop
0.01
13
C_LOAD
I_S
Capacitive Load Drive Overshoot
Total Quiescent Current
100pF
I_OUT = 0mA
16
10
12
Units
(Limits)
μV/°C
dB (min)
dB
nA (max)
nA/°C
nA (max)
V (min)
dB (min)
kΩ
MΩ
dB (min)
V (min)
mA (min)
mA
Ω
%
mA (max)
(5) PSRR is measured as follows: V_OS is measured at two supply voltages, ±5V and ±15V. PSRR = | 20log(ΔV_OS/ΔV_S) |.
4
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