Datasheet

LME49722
SNAS454A –MARCH 2008–REVISED APRIL 2013 www.ti.com
Electrical Characteristics for the LME49722
(1)(2)
The following specifications apply for V
S
= ±15V and ±18V, R
L
= 2kΩ, f
IN
= 1kHz unless otherwise specified. Limits apply for
T
A
= 25°C,
LME49722
Units
Symbol Parameter Conditions
(Limits)
Typical
(3)
Limit
(4)
A
V
= 1, V
OUT
= 3V
rms
THD+N Total Harmonic Distortion + Noise R
L
= 2kΩ 0.00002 %
R
L
= 600Ω 0.00002 0.00009 % (max)
A
V
= 1, V
OUT
= 3V
RMS
IMD Intermodulation Distortion 0.00002 %
Two-tone, 60Hz & 7kHz 4:1
GBWP Gain Bandwidth Product f
IN
= 100kHz 55 45 MHz (min)
SR Slew Rate A
V
= 1, V
OUT
= 10V
P-P
±22 ±15 V/μs (min)
V
OUT
= 1V
P-P
, –3dB
FPBW Full Power Bandwidth referenced to output magnitude 12 MHz
at f = 1kHz
A
V
= –1, 10V step, C
L
= 100pF
t
s
Settling time 1.2 μs
0.1% error range
e
INV
Equivalent Input Voltage Noise f
BW
= 20Hz to 20kHz 0.25 0.35 μV
RMS
(max)
f= 1kHz
V
S
= ±15V 1.9 nV√Hz
V
S
= ±18V 1.9 2.5 nV√Hz (max)
e
N
Equivalent Input Voltage Density
f = 10Hz
V
S
= ±15V 2.8 nV√Hz
V
S
= ±18V 3.2 nV√Hz
f = 1kHz 2.6 pA/√Hz
I
n
Current Noise Density
f = 10Hz 6 pA/√Hz
V
OS
Offset Voltage V
CM
= 0V ±0.02 ±0.7 mV (max)
PSRR Power Supply Rejection Ratio ΔV
S
= 20V
(5)
120 110 dB (min)
f
IN
= 1kHz 136 dB
ISO
CH-CH
Channel-to-Channel Isolation
f
IN
= 20kHz 135 dB
V
CM
= 0V
I
B
Input Bias Current V
S
= ±15V 50 nA
V
S
= ±18V 53 200 nA (max)
ΔI
OS
/ΔTe Input Bias Current Drift vs
–40°C ≤ T
A
≤ 85°C 0.1 nA/°C
mp Temperature
V
CM
= 0V
I
OS
Input Offset Current V
S
= ±15V 25 nA
V
S
= ±18V 32 100 nA (max)
+14.0 (V
CC)
– 2.0 V (min)
V
S
= ±15V
–13.9 (V
EE
) + 2.0 V (min)
V
IN-CM
Common-Mode Input Voltage Range
+17.0 (V
CC
) – 2.0 V (min)
V
S
= ±18V
–16.9 (V
EE
) + 2.0 V (min)
CMRR Common-Mode Rejection –10V ≤ V
CM
≤ 10V 128 110 dB (min)
Z
IN
Differential Input Impedance 30 kΩ
Z
CM
Common Mode Input Impedance –10V ≤ V
CM
≤ 10V 1000 MΩ
–12V ≤ V
OUT
≤ 12V, R
L
= 600Ω 135 120 dB
A
VOL
Open Loop Voltage Gain –12V ≤ V
OUT
≤ 12V, R
L
= 2kΩ 140 dB
–12V ≤ V
OUT
≤ 12V, R
L
= 10kΩ 140 dB
(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) The Electrical Characteristics tables list specifications under the listed Recommended Operating Conditions except as otherwise
modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not
ensured.
(3) Typical values represent most likely parametric norms at T
A
= +25°C, and at the Recommended Operation Conditions at the time of
product characterization and are not ensured.
(4) Datasheet min/max specification limits are specified by test or statistical analysis.
(5) PSRR is measured as follow: V
OS
is measured at two supply voltages, ±5V and ±15V. PSRR = | 20log(ΔV
OS
/ΔV
S
) |.
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