Datasheet

LMP7721
www.ti.com SNOSAW6D –JANUARY 2008–REVISED MARCH 2013
2.5V Electrical Characteristics (continued)
Unless otherwise specified, all limits are specified for T
A
= 25°C, V
+
= 2.5V, V
−
= 0V, V
CM
= (V
+
+ V
−
)/2. Boldface limits apply
at the temperature extremes.
Symbol Parameter Conditions Min Typ Max Units
(1) (2) (1)
I
BIAS
Input Bias Current V
CM
= 1V 25°C ±3 ±20
fA
(4) (5)
−40°C to 85°C ±900
−40°C to 125°C ±5 pA
I
OS
Input Offset Current V
CM
= 1V 6 40 fA
(5)
CMRR Common Mode Rejection Ratio 0V ≤ V
CM
≤ 1.4V 83 100
dB
80
PSRR Power Supply Rejection Ratio 1.8V ≤ V
+
≤ 5.5V 84 92
dB
V
−
= 0V, V
CM
= 0 80
CMVR Input Common-Mode Voltage CMRR ≥ 80 dB −0.3 1.5
V
Range CMRR ≥ 78 dB –0.3 1.5
A
VOL
Large Signal Voltage Gain V
O
= 0.15V to 2.2V 88 107
R
L
= 2 kΩ to V
+
/2 82
dB
V
O
= 0.15V to 2.2V 92 120
R
L
= 10 kΩ to V
+
/2 88
V
O
Output Swing High R
L
= 2 kΩ to V
+
/2 70 25
77
mV
from V
+
R
L
= 10 kΩ to V
+
/2 60 20
66
Output Swing Low R
L
= 2 kΩ to V
+
/2 30 70
73
mV
R
L
= 10 kΩ to V
+
/2 15 60
62
I
O
Output Short Circuit Current Sourcing to V
−
36 46
V
IN
= 200 mV
(6)
30
mA
Sinking to V
+
7.5 15
V
IN
= −200 mV
(6)
5.0
I
S
Supply Current 1.1 1.5
mA
1.75
SR Slew Rate A
V
= +1, Rising (10% to 90%) 9.3
V/μs
A
V
= +1, Falling (90% to 10%) 10.8
GBW Gain Bandwidth Product 15 MHz
e
n
Input-Referred Voltage Noise f = 400 Hz 8
nV/
f = 1 kHz 7
i
n
Input-Referred Current Noise f = 1 kHz 0.01
pA/
THD+N Total Harmonic Distortion + Noise f = 1 kHz, A
V
= 2, R
L
= 100 kΩ 0.003
V
O
= 0.9 V
PP
%
f = 1 kHz, A
V
= 2, R
L
= 600Ω 0.003
V
O
= 0.9 V
PP
(4) Positive current corresponds to current flowing into the device.
(5) This parameter is specified by design and/or characterization and is not tested in production.
(6) The short circuit test is a momentary open loop test.
Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Links: LMP7721