Rainbow Electronics MAX4074_MAX4078 User Manual
Page 3
MAX4074–MAX4078
Micropower, SOT23, Rail-to-Rail,
Fixed-Gain, GainAmp/Open-Loop Op Amps
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—MAX4076/MAX4077/MAX4078
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/2, R
L
=
∞
to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
ELECTRICAL CHARACTERISTICS—MAX4074/MAX4075 (continued)
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/2, R
L
=
∞
to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
90
80
90
-3dB Bandwidth
BW (-3dB)
120
kHz
A
V
= +3V/V
A
V
= +5V/V
A
V
= +10V/V
A
V
= +25V/V
200
A
V
= +1.25V/V
Input Noise Current Density
500
fA/
√Hz
Capacitive Load Stability
C
LOAD
500
pF
DC Gain Accuracy
0.01
1.0
%
f = 5kHz
No sustained oscillations
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Power-Up Time
9
ms
Slew Rate
SR
100
V/ms
Settling Time (to 0.01%)
60
µs
Input Voltage Noise Density
e
n
150
nV/
√Hz
CONDITIONS
Output settling to 1%
V
OUT
= 4V step
V
OUT
= 4V step
f = 5kHz (Note 5)
1.2
T
A
= +25°C
(V
EE
+ 25mV) < V
OUT
< (V
CC
- 25mV),
R
L
= 1M
Ω (Note 6)
T
A
= T
MIN
to T
MAX
Supply Current (per amplifier)
I
CC
40
55
µA
V
CC
= 3V
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Bias Current (Note 2)
I
IBIAS
1
200
pA
Input Offset Voltage Drift
1.5µV
µV/°C
Power-Supply Rejection Ratio
PSRR
70
95
dB
Supply Voltage Range
V
CC
2.5
5.5
V
80
93
45
60
Input Offset Voltage
V
OS
1.2
3.5mV
mV
Closed-Loop Output Impedance
R
OUT
0.2
Ω
4.5
Output Short-Circuit Current
20
mA
80
117
Large-Signal Voltage Gain
A
VOL
dB
0.25V < V
OUT
< (V
CC
- 0.3V), R
L
= 5k
Ω
80
95
Common-Mode Input Voltage
Range
I
VR
0.25V < V
OUT
< (V
CC
- 0.3V), R
L
= 10k
Ω
CONDITIONS
A
V
= +1V/V
Shorted to V
CC
Shorted to V
EE
0.15
V
CC -
1.2
V
CC
= 2.5V to 5.5V
V
Guaranteed by CMRR
Guaranteed by PSRR test
V
CC
= 5V
0.05V < V
OUT
< (V
CC
- 0.1V), R
L
= 1M
Ω
R
L
= 1M
Ω
Input Offset Current
I
OS
±0.4
pA
Common-Mode Rejection Ratio
CMRR
70
95
dB
(V
CC
- 1.2V)
≥ V
CM
≥ -0.15V