Datasheet

LMV791, LMV792
www.ti.com SNOSAG6F –SEPTEMBER 2005–REVISED MARCH 2013
2.5V Electrical Characteristics (continued)
Unless otherwise specified, all limits are ensured for T
A
= 25°C, V
+
= 2.5V, V
−
= 0V, V
CM
= V
+
/2 = V
O
, V
EN
= V
+
. Boldface
limits apply at the temperature extremes.
Symbol Parameter Conditions Min Typ Max Units
(1) (2) (1)
CMRR Common Mode Rejection Ratio 0V ≤ V
CM
≤ 1.4V 80 94
dB
75
PSRR Power Supply Rejection Ratio 2.0V ≤ V
+
≤ 5.5V, V
CM
= 0V 80 100
75
dB
1.8V ≤ V
+
≤ 5.5V, V
CM
= 0V 80 98
CMVR Common Mode Voltage Range CMRR ≥ 60 dB −0.3 1.5
V
CMRR ≥ 55 dB −0.3 1.5
A
VOL
Open Loop Voltage Gain V
OUT
= 0.15V to 2.2V, LMV791 85 98
R
LOAD
= 2 kΩ to V
+
/2 80
LMV792 82 92
dB
78
V
OUT
= 0.15V to 2.2V, 88 110
R
LOAD
= 10 kΩ to V
+
/2 84
V
OUT
Output Voltage Swing High R
LOAD
= 2 kΩ to V
+
/2 25 75
82
R
LOAD
= 10 kΩ to V
+
/2 20 65
71
mV from
either rail
Output Voltage Swing Low R
LOAD
= 2 kΩ to V
+
/2 30 75
78
R
LOAD
= 10 kΩ to V
+
/2 15 65
67
I
OUT
Output Current Sourcing to V
−
35 47
V
IN
= 200 mV
(6)
28
mA
Sinking to V
+
7 15
V
IN
= –200 mV
(6)
5
I
S
Supply Current per Amplifier Enable Mode LMV791 0.95 1.30
V
EN
≥ 2.1V 1.65
mA
LMV792 1.1 1.50
per channel 1.85
Shutdown Mode, V
EN
< 0.4 0.02 1
μA
per channel 5
SR Slew Rate A
V
= +1, Rising (10% to 90%) 8.5
V/μs
A
V
= +1, Falling (90% to 10%) 10.5
GBW Gain Bandwidth 14 MHz
e
n
Input Referred Voltage Noise Density f = 1 kHz 6.2 nV/√Hz
i
n
Input Referred Current Noise Density f = 1 kHz 0.01 pA/√Hz
t
on
Turn-on Time 140 ns
t
off
Turn-off Time 1000 ns
V
EN
Enable Pin Voltage Range Enable Mode 2.1 2 to 2.5
V
Shutdown Mode 0 to 0.5 0.4
I
EN
Enable Pin Input Current Enable Mode V
EN
= 2.5V
(7)
1.5 3
μA
Shutdown Mode V
EN
= 0V
(7)
0.003 0.1
THD+N Total Harmonic Distortion + Noise f = 1 kHz, A
V
= 1, R
LOAD
= 600Ω 0.01 %
(6) The short circuit test is a momentary test, the short circuit duration is 1.5 ms.
(7) Positive current corresponds to current flowing into the device.
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