Datasheet

ELECTRICAL CHARACTERISTICS
LMV341-Q1
LMV344-Q1
www.ti.com .............................................................................................................................................................. SGLS342C – JULY 2006 – REVISED JUNE 2009
V
+
= 2.7 V, GND = 0 V, V
IC
= V
O
= V
+
/2, R
L
> 1 M Ω (unless otherwise noted)
LMV341 LMV344
PARAMETER TEST CONDITIONS T
A
UNIT
MIN TYP
(1)
MAX MIN TYP
(1)
MAX
25 ° C 0.25 4 0.25 4
V
IO
Input offset voltage mV
Full range 4.5 4.5
Average temperature
α
VIO
coefficient of input Full range 1.7 1.7 µ V/ ° C
offset voltage
25 ° C 1 120 1 120
pA
I
IB
Input bias current – 40 ° C to 85 ° C 250 250
– 40 ° C to 125 ° C 3 3 nA
I
IO
Input offset current 25 ° C 6.6 6.6 fA
0 ≤ V
ICR
≤ 1.7 V 25 ° C 40 80 56 80
Common-mode
CMRR dB
rejection ratio
0 ≤ V
ICR
≤ 1.6 V Full range 36 50
25 ° C 45 82 65 82
Supply-voltage
k
SVR
2.7 V ≤ V
+
≤ 5 V dB
rejection ratio
Full range 60 60
Common-mode input – 0.2 – 0.2
V
ICR
CMRR ≥ 50 dB 25 ° C 0 1.7 0 1.7 V
voltage range to 1.9 to 1.9
25 ° C 73 113 78 113
R
L
= 10 k Ω to 1.35 V
Full range 66 70
Large-signal voltage
A
V
dB
gain
(2)
25 ° C 70 103 72 103
R
L
= 2 k Ω to 1.35 V
Full range 63 64
25 ° C 24 60 24 60
Low level
Full range 95 95
R
L
= 2 k Ω to 1.35 V
25 ° C 26 60 26 60
High level
Output swing
Full range 95 95
V
O
(delta from supply mV
25 ° C 5 30 5 30
rails)
Low level
Full range 40 40
R
L
= 10 k Ω to 1.35 V
25 ° C 5.3 30 5.3 30
High level
Full range 40 40
25 ° C 100 170 100 170
Supply current
I
CC
µ A
(per channel)
Full range 230 230
Sourcing 20 32 18 24
Output short- circuit
I
OS
25 ° C mA
current
Sinking 15 24 15 24
SR Slew rate R
L
= 10 k Ω
(3)
25 ° C 1 1 V/ µ s
GBM Unity-gain bandwidth R
L
= 10 k Ω , C
L
= 200 pF 25 ° C 1 1 MHz
Φ
m
Phase margin R
L
= 100 k Ω 25 ° C 72 72 deg
G
m
Gain margin R
L
= 100 k Ω 25 ° C 20 20 dB
Equivalent input noise
V
n
f = 1 kHz 25 ° C 40 40 nV/ √ Hz
voltage
Equivalent input noise
I
n
f = 1 kHz 25 ° C 0.001 0.001 pA/ √ Hz
current
Total harmonic f = 1 kHz, A
V
= 1,
THD 25 ° C 0.017 0.017 %
distortion 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-Q1 LMV344-Q1