Datasheet

MAX4321
Low-Cost, Low-Voltage, Rail-to-Rail,
Input/Output, SOT23 5MHz Op Amp
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= +5V, V
EE
= 0, V
CM
= V
CC
/2, T
A
= +25°C, unless otherwise noted.)
60
-40
100 1k 10k 1M 10M100k 100M
GAIN AND PHASE vs. FREQUENCY
-20
FREQUENCY (Hz)
GAIN (dB)
0
20
40
PHASE
GAIN
A
V
= +1000
NO LOAD
PHASE (DEGREES)
180
144
72
0
-72
-144
-180
-108
-36
36
108
MAX4321-01
60
-40
100 1k 10k 1M 10M100k 100M
GAIN AND PHASE vs. FREQUENCY
(WITH C
LOAD
)
-20
MAX4321-02
FREQUENCY (Hz)
GAIN (dB)
0
20
40
PHASE
GAIN
A
V
= +1000
R
L
= ∞
C
L
= 500pF
PHASE (DEGREES)
180
144
72
0
-72
-144
-180
-108
-36
36
108
0
-100
10 100 1k 100k 1M 10M10k 100M
POWER-SUPPLY REJECTION
vs. FREQUENCY
-80
MAX4321-03
FREQUENCY (Hz)
PSR (dB)
-60
-40
-20
A
V
= +1
100
0.01
100 1k 100k 1M
10M
10k 100M
OUTPUT IMPEDANCE
vs. FREQUENCY
0.1
MAX4321-04
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
1
10
A
V
= +1
900
500
550
600
650
700
750
800
850
-40 -25 -10 5 20 35 50 65 80 95
SUPPLY CURRENT vs. TEMPERATURE
MAX4321-05
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
V
CC
= 6.5V
V
CC
= 2.7V
-3.00
-2.25
-0.75
-1.50
0
1.50
0.75
2.25
3.00
-40-25-105 20355065 8095
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
MAX4321-06
TEMPERATURE (°C)
VOLTAGE (mV)
-50
0123456
INPUT BIAS CURRENT
vs. COMMON-MODE VOLTAGE
MAX4321-07
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (nA)
-40
-30
-20
-10
0
10
20
30
40
50
V
CC
= 2.7V
V
CC
= 6.5V
-60
-50
-40 -25 -10 5 20 35 50 65 80 95
INPUT BIAS CURRENT
vs. TEMPERATURE
MAX4321-08
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
-40
-30
-20
-10
0
10
20
30
40
50
V
CC
= 6.5V, V
CM
= V
CC
V
CC
= 2.7V, V
CM
= V
EE
V
CC
= 2.7V, V
CM
= V
CC
V
CC
= 6.5V, V
CM
= V
EE
120
80
85
90
95
100
105
110
115
-40-25-105 20355065 8095
COMMON-MODE REJECTION
vs. TEMPERATURE
MAX4321-09
TEMPERATURE (°C)
COMMON-MODE REJECTION (dB)
V
CM
= 0 TO 5.0V
V
CM
= -0.2V TO 5.2V