Datasheet

LME49721
www.ti.com SNAS371C –SEPTEMBER 2007–REVISED APRIL 2013
ELECTRICAL CHARACTERISTICS FOR THE LME49721
The following specifications apply for the circuit shown in Figure 1. V
S
= 5V, R
L
= 10kΩ, R
SOURCE
= 10Ω, f
IN
= 1kHz, and T
A
=
25°C, unless otherwise specified.
LME49721
Units
Symbol Parameter Conditions
(Limits)
Typical
(1)
Limit
(2)
A
V
= +1, V
OUT
= 2V
p-p
,
THD+N Total Harmonic Distortion + Noise R
L
= 2kΩ 0.0002
R
L
= 600Ω 0.0002 0.001 % (max)
A
V
= +1, V
OUT
= 2V
p-p
,
IMD Intermodulation Distortion 0.0004 %
Two-tone, 60Hz & 7kHz 4:1
GBWP Gain Bandwidth Product 20 15 MHz (min)
SR Slew Rate A
V
= +1 8.5 V/μs (min)
V
OUT
= 1V
P-P
, –3dB
FPBW Full Power Bandwidth referenced to output magnitude 2.2 MHz
at f = 1kHz
A
V
= 1, 4V step
t
s
Settling time 800 ns
0.1% error range
f
BW
= 20Hz to 20kHz, μV
P-P
Equivalent Input Noise Voltage .707 1.13
A-weighted (max)
e
n
f = 1kHz nV/√Hz
Equivalent Input Noise Density 4 6
A-weighted (max)
I
n
Current Noise Density f = 10kHz 4.0 fA/√Hz
V
OS
Offset Voltage 0.3 1.5 mV (max)
Average Input Offset Voltage Drift vs
ΔV
OS
/ΔTemp 40°C ≤ T
A
≤ 85°C 1.1 μV/°C
Temperature
Average Input Offset Voltage Shift vs
PSRR 103 85 dB (min)
Power Supply Voltage
ISO
CH-CH
Channel-to-Channel Isolation f
IN
= 1kHz 117 dB
I
B
Input Bias Current V
CM
= V
S
/2 40 fA
Input Bias Current Drift vs
ΔI
OS
/ΔTemp –40°C ≤ T
A
≤ 85°C 48 fA/°C
Temperature
I
OS
Input Offset Current V
CM
= V
S
/2 60 fA
(V+) – 0.1
V
IN-CM
Common-Mode Input Voltage Range V (min)
(V-) + 0.1
CMRR Common-Mode Rejection V
SS
- 100mV < V
CM
< V
DD
+ 100mV 93 70 dB (min)
1/f Corner Frequency 2000 Hz
V
SS
- 200mV < V
OUT
< V
DD
+ 200mV
R
L
= 600Ω 118 100 dB (min)
A
VOL
Open Loop Voltage Gain
R
L
= 2kΩ 122 dB (min)
R
L
= 10kΩ 130 115 dB (min)
V
DD
– 30mV V
DD
– 80mV V (min)
R
L
= 600Ω
V
SS
+ 30mV V
SS
+ 80mV V (min)
V
OUTMIN
Output Voltage Swing
V
DD
– 10mV V
DD
– 20mV V (min)
R
L
= 10kΩ, V
S
= 5.0V
V
SS
+ 10mV V
SS
+ 20mV V (min)
I
OUT
Output Current R
L
= 250Ω, V
S
= 5.0V 9.7 9.3 mA (min)
I
OUT-SC
Short Circuit Current 100 mA
f
IN
= 10kHz
R
OUT
Output Impedance Closed-Loop 0.01 Ω
Open-Loop 46
I
S
Quiescent Current per Amplifier I
OUT
= 0mA 2.15 3.25 mA (max)
(1) 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.
(2) Datasheet min/max specification limits are ensured by test or statistical analysis.
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