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LMP7731 Datasheet(PDF) 6 Page - Texas Instruments

Part # LMP7731
Description  2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LMP7731 Datasheet(HTML) 6 Page - Texas Instruments

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background image
V
+
1
2
3
4
5
6
7
8
N/C
-IN
+IN
V
-
OUT
N/C
N/C
+
-
OUT
V
-
+IN
V
+
-IN
+
-
1
2
3
5
4
LMP7731
SNOSAT6E – JULY 2007 – REVISED MARCH 2013
www.ti.com
5V Electrical Characteristics
(1) (continued)
Unless otherwise specified, all limits are ensured for TA = 25°C, V
+ = 5V, V= 0V, V
CM = V
+/2, R
L > 10 kΩ to V
+/2. Boldface
limits apply at the temperature extremes.
Parameter
Test Conditions
Min (2)
Typ (3)
Max (2)
Units
50
RL = 10 kΩ to V
+/2
8
75
Output Voltage Swing High
50
RL = 2 kΩ to V
+/2
24
75
mV from
VOUT
either rail
50
RL = 10 kΩ to V
+/2
9
75
Output Voltage Swing Low
50
RL = 2 kΩ to V
+/2
23
75
Sourcing, VOUT = V+/2
33
47
VIN (diff) = 100 mV
27
IOUT
Output Current
mA
Sinking, VOUT = V+/2
30
49
VIN (diff) = -100 mV
25
3.0
VCM = 4.5V
2.2
3.7
Supply Current
IS
mA
(Per Channel)
3.4
VCM = 0.5V
2.5
4.2
AV = +1, CL = 10 pF, RL = 10 kΩ to
SR
Slew Rate
V+/2,
2.4
V/
μs
VOUT = 2 VPP
GBW
Gain Bandwidth
CL = 20 pF, RL = 10 kΩ to V
+/2
22
MHz
GM
Gain Margin
CL = 20 pF, RL = 10 kΩ to V
+/2
12
dB
ΦM
Phase Margin
CL = 20 pF, RL = 10 kΩ to V
+/2
65
deg
Differential Mode
38
k
RIN
Input Resistance
Common Mode
151
M
THD+N
Total Harmonic Distortion + Noise
AV = 1, f = 1 kHz, Amplitude = 1V
0.001
%
f = 1 kHz, VCM = 4.5V
2.9
Input Referred Voltage Noise
nV/
√Hz
Density
en
f = 1 kHz, VCM = 0.5V
2.9
Input Voltage Noise
0.1 Hz to 10 Hz
78
nVPP
f = 1 kHz, VCM = 4.5V
1.1
Input Referred Current Noise
in
pA/
√Hz
Density
f = 1 kHz, VCM = 0.5V
2.2
Connection Diagrams
Figure 3. 5-Pin SOT-23
Figure 4. 8-Pin SOIC
Top View
Top View
6
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Copyright © 2007–2013, Texas Instruments Incorporated
Product Folder Links: LMP7731


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