Datasheet

MAX4174/5, MAX4274/5, MAX4281/2/4
SOT23, Rail-to-Rail, Fixed-Gain
GainAmps/Open-Loop Op Amps
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX4174/MAX4175/MAX4274/MAX4275 Fixed-Gain
Amplifiers (continued)
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/ 2, R
L
to V
CC
/ 2, R
L
= open, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
Gain = +5V/V
Gain = +3V/V
Gain = +1.25V/V
No sustained oscillations
f = 10kHz (Note 5)
Output settling to 1%
CONDITIONS
970
970
1700
pF470C
LOAD
Capacitive Load Stability
nV/√Hz
90e
n
Input Noise Voltage Density
ms1Power-Up Time
UNITSMIN TYP MAXSYMBOLPARAMETER
V
CC
= 5V, V
OUT
= 4V step V/µs0.7SRSlew Rate
Gain = +51V/V
Gain = +25V/V
Gain = +10V/V
kHz
330
BW
-3dB
-3dB Bandwidth
590
640
f = 10kHz
fA/√Hz
4i
n
Input Noise Current Density
V
CC
= 5V, V
OUT
= 4V step µs7
Settling Time to Within
0.01%
(V
EE
+ 25mV) < V
OUT
< (V
CC
- 25mV),
R
L
= 100kΩ (Note 6)
%0.1 0.5DC Gain Accuracy
ELECTRICAL CHARACTERISTICS—MAX4281/MAX4282/MAX4284 Open-Loop Op Amps
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/ 2, R
L
to V
CC
/ 2, R
L
= open, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
Guaranteed by CMRR test VV
EE
- 0.15 V
CC
- 1.2
Guaranteed by PSRR tests
CMVR
Common-Mode Input
Voltage Range
Differential or common mode
CONDITIONS
R
IN
Input Resistance MΩ1000
V2.5 5.5V
CC
Supply Voltage Range
±10 ±1000
nA±0.05 ±10I
BIAS
Input Bias Current
µV/°CInput Offset Voltage Drift ±5
UNITSMIN TYP MAXSYMBOLPARAMETER
pAI
OS
Input Offset Current
V
CC
= 3V µA
290 450
I
CC
Supply Current
(per Amplifier)
R
L
= 100kΩ
mV±0.5 ±2V
OS
Input Offset Voltage
V
CC
= 5V µA320 500
C
IN
Input Capacitance pF2.5
V
EE
- 0.15V ≤ V
CM
≤ V
CC
- 1.2V dB60 90CMRR
Common-Mode Rejection
Ratio
V
CC
= 2.5V to 5.5V dB70 90PSRR
Power-Supply Rejection
Ratio
A
V
= 1V/V Ω0.02R
OUT
Closed-Loop Output
Impedance