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LPV321_07 Datasheet(PDF) 5 Page - Texas Instruments

Part No. LPV321_07
Description  GENERAL-PURPOSE, LOW-VOLTAGE, LOW-POWER,RAIL TO RAIL OUTPUT OPERATIONAL AMPLIFIERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LPV321 SINGLE, LPV358 DUAL, LPV324 QUAD
GENERALPURPOSE, LOW VOLTAGE, LOW POWER, RAILTORAIL OUTPUT
OPERATIONAL AMPLIFIERS
SLOS433I − FEBRUARY 2004 − REVISED MARCH 2005
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2.7-V electrical characteristics
TA = 25°C, VCC+ = 2.7 V, VCC− = 0 V, VIC = 1 V, VO = VCC+/2, and RL > 1 MΩ (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
VIO
Input offset voltage
1.2
7
mV
αVIO
Average temperature
coefficient of
input offset voltage
4
mV/°C
IIB
Input bias current
1.7
50
nA
IIO
Input offset current
0.6
40
nA
CMRR
Common-mode
rejection ratio
0
≤ VIC ≤ 1.7 V
50
70
dB
kSVR
Supply-voltage
rejection ratio
2.7 V
≤ VCC+ ≤ 5 V, VIC = 1 V, VO = 1 V
50
65
dB
VICR
Common-mode
input voltage range
CMRR
≥ 50 dB
0 to 1.7
−0.2 to 1.9
V
VO
Output swing
RL = 100 kΩ to 1.35 V
High level
VCC+ − 0.100 VCC+ − 0.003
V
VO
Output swing
RL = 100 kΩ to 1.35 V
Low level
0.080
0.180
V
LPV321
4
8
ICC
Supply current
LPV358 (both amplifiers)
8
16
mA
ICC
Supply current
LPV324 (all four amplifiers)
16
24
mA
SR
Slew rate‡
0.1
V/
ms
GBW
Gain bandwidth product
CL = 22 pF (see Note 5)
205
kHz
Fm
Phase margin
CL = 22 pF (see Note 5)
71
deg
Gain margin
CL = 22 pF (see Note 5)
11
dB
Vn
Equivalent input
noise voltage
f = 1 kHz
178
nV/
√Hz
In
Equivalent input
noise current
f = 1 kHz
0.5
pA/
√Hz
† All typical values are at VCC = 2.7 V, TA = 25°C.
‡ Number specified is the slower of the positive and negative slew rates.
NOTE 5: Closed-loop gain = 18 dB, VIC = VCC+/2




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