Datasheet

LMV721
LMV722
www.ti.com SLOS470C –JUNE 2005–REVISED SEPTEMBER 2010
Electrical Characteristics
V
CC+
= 2.2 V, V
CC−
= GND, V
ICR
= V
CC+
/2, V
O
= V
CC+
/2, and R
L
> 1 MΩ (unless otherwise noted)
PARAMETER TEST CONDITIONS T
J
MIN TYP MAX UNIT
25°C 0.02 3
V
IO
Input offset voltage mV
–40°C to 105°C 3.5
TCV
IO
Input offset voltage average drift 25°C 0.6 mV/°C
I
IB
Input bias current 25°C 260 nA
I
IO
Input offset current 25°C 25 nA
25°C 70 88
CMMR Common-mode rejection ratio V
ICR
= 0 V to 1.3 V dB
–40°C to 105°C 64
25°C 80 90
V
CC+
= 2.2 V to 5 V,
PSRR Power-supply rejection ratio dB
V
O
= 0, V
ICR
= 0
–40°C to 105°C 70
CMRR ≥ 50 dB –0.3
V
ICR
Input common-mode voltage 25°C V
1.3
25°C 75 81
R
L
= 600 Ω,
V
O
= 0.75 V to 2 V
–40°C to 105°C 70
A
VD
Large-signal voltage gain dB
25°C 75 84
R
L
= 2 kΩ,
V
O
= 0.5 V to 2.1 V
–40°C to 105°C 70
25°C 2.090 2.125
R
L
= 600 Ω to V
CC+
/2
–40°C to 105°C 2.065
25°C 0.071 0.120
–40°C to 105°C 0.145
V
O
Output swing V
25°C 2.150 2.177
R
L
= 2 kΩ to V
CC+
/2
–40°C to 105°C 2.125
25°C 0.056 0.080
–40°C to 105°C 0.105
25°C 10 14.9
Sourcing, V
O
= 0 V,
V
IN(diff)
= ±0.5 V
–40°C to 105°C 5
I
O
Output current mA
25°C 10 17.6
Sinking, V
O
= 2.2 V,
V
IN(diff)
= ±0.5 V
–40°C to 105°C 5
25°C 0.93 1.3
LMV721
–40°C to 105°C 1.5
I
CC
Supply current mA
25°C 1.81 2.4
LMV722
–40°C to 105°C 2.6
SR Slew rate
(1)
25°C 4.9 V/ms
GBW Gain bandwidth product 25°C 10 MHz
Φ
m
Phase margin 25°C 67.4 °
G
m
Gain margin 25°C –9.8 dB
V
n
Input-referred voltage noise f = 1 kHz 25°C 9 nV/√Hz
I
n
Input-referred current noise f = 1 kHz 25°C 0.3 pA/√Hz
f = 1 kHz, AV = 1,
THD Total harmonic distortion 25°C 0.004 %
R
L
= 600 Ω, V
O
= 500 mV
pp
(1) Connected as voltage follower with 1-V step input. Number specified is the slower of the positive and negative slew rate.
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