Datasheet

LME49870
SNAS413C –SEPTEMBER 2007–REVISED APRIL 2013 www.ti.com
ELECTRICAL CHARACTERISTICS FOR THE LME49870
(1)
The following specifications apply for V
S
= ±18V and ±22V, R
L
= 2kΩ, R
SOURCE
= 10Ω, f
IN
= 1kHz, T
A
= 25°C, unless otherwise
specified.
LME49870
Units
Symbol Parameter Conditions
(Limits)
Typical
(2)
Limit
(3)
A
V
= 1, V
OUT
= 3V
rms
THD+N Total Harmonic Distortion + Noise R
L
= 2kΩ 0.00003 % (max)
R
L
= 600Ω 0.00003 0.00009
A
V
= 1, V
OUT
= 3V
RMS
IMD Intermodulation Distortion 0.00005 %
Two-tone, 60Hz & 7kHz 4:1
GBWP Gain Bandwidth Product 55 45 MHz (min)
SR Slew Rate ±20 ±15 V/μs (min)
V
OUT
= 1V
P-P
, –3dB
FPBW Full Power Bandwidth referenced to output magnitude 10 MHz
at f = 1kHz
A
V
= –1, 10V step, C
L
= 100pF
t
s
Settling time 1.2 μs
0.1% error range
μV
RMS
Equivalent Input Noise Voltage f
BW
= 20Hz to 20kHz 0.34 0.65
(max)
e
n
f = 1kHz 2.5 4.7 nV/√Hz
Equivalent Input Noise Density
f = 10Hz 6.4 (max)
i
n
f = 1kHz 1.6
Current Noise Density pA/√Hz
f = 10Hz 3.1
V
S
= ±18V ±0.12 mV (max)
V
OS
Offset Voltage
V
S
= ±22V ±0.14 ±0.7 mV (max)
Average Input Offset Voltage Drift vs
ΔV
OS
/ΔTemp –40°C ≤ T
A
≤ 85°C 0.1 μV/°C
Temperature
Average Input Offset Voltage Shift vs V
S
= ±18V, ΔV
S
= 24V
(4)
120
PSRR dB (min)
Power Supply Voltage V
S
= ±22V, ΔV
S
= 30V 120 110
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 0.2 nA/°C
Temperature
I
OS
Input Offset Current V
CM
= 0V 11 65 nA (max)
+17.1 V (min)
V
S
= ±18V
–16.9 V (min)
V
IN-CM
Common-Mode Input Voltage Range
+21.0 (V+) – 2.0 V (min)
V
S
= ±22V
–20.8 (V-) + 2.0 V (min)
V
S
= ±18V, –12V≤Vcm≤12V 120 dB (min)
CMRR Common-Mode Rejection
V
S
= ±22V, –15V≤Vcm≤15V 120 110 dB (min)
Differential Input Impedance 30 kΩ
Z
IN
Common Mode Input Impedance –10V<Vcm<10V 1000 MΩ
(1) “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of
device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or
other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating
Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All
voltages are measured with respect to the ground pin, unless otherwise specified.
(2) 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.
(3) Datasheet min/max specification limits are specified by test or statistical analysis.
(4) PSRR is measured as follows: For V
S
, V
OS
is measured at two supply voltages, ±7V and ±22V, PSRR = |20log(ΔV
OS
/ΔV
S
)|.
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