LPV321 Datasheet, PDF (5/17 Pages) National Semiconductor (TI) – General Purpose, Low Voltage, Low Power, Rail-to-Rail Output Operational Amplifiers

LPV321 SINGLE, LPV358 DUAL, LPV324 QUAD
GENERALĆPURPOSE, LOWĆVOLTAGE, LOWĆPOWER, RAILĆTOĆRAIL OUTPUT
OPERATIONAL AMPLIFIERS
SLOS433H − FEBRUARY 2004 − REVISED OCTOBER 2004
2.7-V electrical characteristics
T_A = 25°C, V_CC+ = 2.7 V, V_CC− = 0 V, V_IC = 1 V, V_O = V_CC+/2, and R_L > 1 MΩ (unless otherwise
noted)
VIO
α_VIO
PARAMETER
Input offset voltage
Average temperature
coefficient of
input offset voltage
TEST CONDITIONS
MIN
TYP†
MAX UNIT
1.2
7 mV
4
mV/°C
IIB
IIO
CMRR
Input bias current
Input offset current
Common-mode
rejection ratio
0 ≤ VIC ≤ 1.7 V
1.7
50 nA
0.6
40 nA
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
ICC
SR
GBW
F_m
Vn
Output swing
Supply current
Slew rate‡
Gain bandwidth product
Phase margin
Gain margin
Equivalent input
noise voltage
RL = 100 kΩ to 1.35 V
LPV321§
LPV358 (both amplifiers)§
LPV324 (all four amplifiers)
CL = 22 pF (see Note 5)
CL = 22 pF (see Note 5)
CL = 22 pF (see Note 5)
f = 1 kHz
High level
Low level
VCC+ − 0.100 VCC+ − 0.003
V
0.080
0.180
4
8
8
16 mA
16
24
0.1
V/ms
205
kHz
71
deg
11
dB
178
nV/√Hz
In
Equivalent input
noise current
f = 1 kHz
† _{All typical values are at VCC = 2.7 V, TA = 25°C.}
‡ _{Number specified is the slower of the positive and negative slew rates.}
§ _{Product Preview}
NOTE 5: Closed-loop gain = 18 dB, VIC = VCC+/2
0.5
pA/√Hz
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