Datasheet

LME49720
SNAS393C –MARCH 2007 –REVISED APRIL 2013 www.ti.com
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.
LME49720
Units
Symbol Parameter Conditions
(Limits)
Typical
(3)
Limit
(4)
Average Input Offset Voltage Drift vs
ΔV
OS
/ΔTemp –40°C ≤ T
A
≤ 85°C 0.2 μV/°C
Temperature
Average Input Offset Voltage Shift vs
PSRR ΔV
S
= 20V
(5)
120 110 dB (min)
Power Supply Voltage
f
IN
= 1kHz 118
ISO
CH-CH
Channel-to-Channel Isolation dB
f
IN
= 20kHz 112
I
B
Input Bias Current V
CM
= 0V 10 72 nA (max)
Input Bias Current Drift vs
ΔI
OS
/ΔTemp –40°C ≤ T
A
≤ 85°C 0.1 nA/°C
Temperature
I
OS
Input Offset Current V
CM
= 0V 11 65 nA (max)
+14.1 (V+) – 2.0
V
IN-CM
Common-Mode Input Voltage Range V (min)
–13.9 (V-) + 2.0
CMRR Common-Mode Rejection –10V<Vcm<10V 120 110 dB (min)
Differential Input Impedance 30 kΩ
Z
IN
Common Mode Input Impedance –10V<Vcm<10V 1000 MΩ
–10V<Vout<10V, R
L
= 600Ω 140 125
A
VOL
Open Loop Voltage Gain –10V<Vout<10V, R
L
= 2kΩ 140 dB (min)
–10V<Vout<10V, R
L
= 10kΩ 140
R
L
= 600Ω ±13.6 ±12.5
V
OUTMAX
Maximum Output Voltage Swing R
L
= 2kΩ ±14.0 V (min)
R
L
= 10kΩ ±14.1
I
OUT
Output Current R
L
= 600Ω, V
S
= ±17V ±26 ±23 mA (min)
+53
I
OUT-CC
Instantaneous Short Circuit Current mA
–42
f
IN
= 10kHz
R
OUT
Output Impedance Closed-Loop 0.01 Ω
Open-Loop 13
C
LOAD
Capacitive Load Drive Overshoot 100pF 16 %
I
S
Total Quiescent Current I
OUT
= 0mA 10 12 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
) |.
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