Datasheet

LMV341, LMV342, LMV344
SLOS447H –SEPTEMBER 2004–REVISED JUNE 2012 www.ti.com
ELECTRICAL CHARACTERISTICS
V
+
= 2.7 V, GND = 0 V, V
IC
= V
O
= V
+
/2, R
L
> 1 MΩ (unless otherwise noted)
PARAMETER TEST CONDITIONS T
A
MIN TYP
(1)
MAX UNIT
25°C 0.25 4
V
IO
Input offset voltage mV
Full range 4.5
Average temperature coefficient
α
VIO
Full range 1.7 μV/°C
of input offset voltage
25°C 1 120
pA
I
IB
Input bias current –40°C to 85°C 250
–40°C to 125°C 3 nA
I
IO
Input offset current 25°C 6.6 fA
0 ≤ V
ICR
≤ 1.7 V 25°C 56 80
CMRR Common-mode rejection ratio dB
0 ≤ V
ICR
≤ 1.6 V Full range 50
25°C 65 82
k
SVR
Supply-voltage rejection ratio 2.7 V ≤ V
+
≤ 5 V dB
Full range 60
Common-mode input voltage –0.2
V
ICR
CMRR ≥ 50 dB 25°C 0 1.7 V
range to 1.9
25°C 78 113
R
L
= 10 kΩ to 1.35 V
Full range 70
A
V
Large-signal voltage gain
(2)
dB
25°C 72 103
R
L
= 2 kΩ to 1.35 V
Full range 64
25°C 24 60
Low level
Full range 95
R
L
= 2 kΩ to 1.35 V
25°C 26 60
High level
Full range 95
Output swing
V
O
mV
(delta from supply rails)
25°C 5 30
Low level
Full range 40
R
L
= 10 kΩ to 1.35 V
25°C 5.3 30
High level
Full range 40
25°C 100 170
I
CC
Supply current (per channel) μA
Full range 230
LMV341,
20 32
LMV342
Sourcing
I
OS
Output short-circuit current 25°C mA
LMV344 18 24
Sinking 15 24
SR Slew rate R
L
= 10 kΩ
(3)
25°C 1 V/μs
GBM Unity-gain bandwidth R
L
= 10 kΩ, C
L
= 200 pF 25°C 1 MHz
Φ
m
Phase margin R
L
= 100 kΩ 25°C 72 deg
G
m
Gain margin R
L
= 100 kΩ 25°C 20 dB
V
n
Equivalent input noise voltage f = 1 kHz 25°C 40 nV/√Hz
I
n
Equivalent input noise current f = 1 kHz 25°C 0.001 pA/√Hz
f = 1 kHz, A
V
= 1,
THD Total harmonic distortion 25°C 0.017 %
R
L
= 600 Ω, V
I
= 1 V
PP
(1) Typical values represent the most likely parametric norm.
(2) GND + 0.2 V ≤ V
O
≤ V
+
– 0.2 V
(3) Connected as voltage follower with 2-V
PP
step input. Number specified is the slower of the positive and negative slew rates.
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Product Folder Link(s): LMV341 LMV342 LMV344