Rainbow Electronics MAX4284 User Manual
Page 3
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
pF
470
C
LOAD
Capacitive Load Stability
nV/
√
Hz
90
e
n
Input Noise Voltage Density
ms
1
Power-Up Time
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
CC
= 5V, V
OUT
= 4V step
V/µs
0.7
SR
Slew Rate
Gain = +51V/V
Gain = +25V/V
Gain = +10V/V
kHz
330
BW
-3dB
-3dB Bandwidth
590
640
f = 10kHz
fA/
√
Hz
4
i
n
Input Noise Current Density
V
CC
= 5V, V
OUT
= 4V step
µs
7
Settling Time to Within
0.01%
(V
EE
+ 25mV) < V
OUT
< (V
CC
- 25mV),
R
L
= 100k
Ω
(Note 6)
%
0.1
0.5
DC 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
V
V
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
M
Ω
1000
V
2.5
5.5
V
CC
Supply Voltage Range
±10
±1000
nA
±0.05
±10
I
BIAS
Input Bias Current
µV/°C
Input Offset Voltage Drift
±5
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
pA
I
OS
Input Offset Current
V
CC
= 3V
µA
290
450
I
CC
Supply Current
(per Amplifier)
R
L
= 100k
Ω
mV
±0.5
±2
V
OS
Input Offset Voltage
V
CC
= 5V
µA
320
500
C
IN
Input Capacitance
pF
2.5
V
EE
- 0.15V
≤
V
CM
≤
V
CC
- 1.2V
dB
60
90
CMRR
Common-Mode Rejection
Ratio
V
CC
= 2.5V to 5.5V
dB
70
90
PSRR
Power-Supply Rejection
Ratio
A
V
= 1V/V
Ω
0.02
R
OUT
Closed-Loop Output
Impedance