LMV981 Datasheet, PDF (5/22 Pages) National Semiconductor (TI) – 1.8V, RRIO Operational Amplifiers with Shutdown

LMV981 SINGLE, LMV982 DUAL
1.8ĆV OPERATIONAL AMPLIFIERS
WITH RAILĆTOĆRAIL INPUT AND OUTPUT AND SHUTDOWN
SLOS440G − AUGUST 2004 − REVISED MAY 2005
electrical characteristics at T_A = 25°C, V_CC+ = 1.8 V, V_CC− = 0 V, V_IC = V_CC+/2, V_O = V_CC+/2,
R_L > 1 MΩ, and SHDN tied to V_CC+ (unless otherwise noted) (continued)
PARAMETER
VO
Output swing
TEST CONDITIONS
RL = 600 Ω to 0.9 V,
VID = ±100 mV
High level
Low level
RL = 2 kΩ to 0.9 V,
VID = ±100 mV
High level
Low level
TA
25°C
Full range
25°C
Full range
25°C
Full range
25°C
Full range
MIN TYP MAX
1.65 1.72
1.63
0.077 0.105
0.12
1.75 1.77
1.74
0.024 0.035
0.04
UNIT
V
VO = 0 V,
Output
VID = 100 mV
IOS
short-circuit current
VO = 1.8 V,
VID = −100 mV
25°C
4
8
Sourcing
Full range
3.3
mA
25°C
7
9
Sinking
Full range
5
Ton
Turn-on time from
shutdown
25°C
19
ms
VSHDN
Turn-on voltage to
enable part
Turn-off voltage
25°C
1.0
V
0.55
GBW
Gain bandwidth product
25°C
1.4
MHz
SR
Slew rate
See Note 6
25°C
0.35
V/mS
F_m
Phase margin
Gain margin
25°C
25°C
67
deg
7
dB
Equivalent input
Vn
noise voltage
f = 1 kHz, VIC = 0.5 V
25°C
60
nV/√Hz
In
Equivalent input
noise current
f = 1 kHz
25°C
0.06
pA/√Hz
THD
Total harmonic distortion
Amp-to-amp isolation
f = 1 kHz, AV = 1, RL = 600 Ω,
VID = 1 VPP
See Note 7
25°C
25°C
0.023
%
123
dB
NOTES: 6. Number specified is the slower of the positive and negative slew rates.
7. Input referred, VCC+ = 5 V and RL = 100 kΩ connected to 2.5 V. Each amp is excited in turn with a 1-kHz signal to produce
VO = 3 VPP.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5