High-Precision, Low-Voltage,
Micropower Op Amp
4 _______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
0
20
60
40
80
100
-75 -25 0-50 25 50 75 100 12
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
MAX480-01
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE (μV)
V
S
= ±15V
0
0.2
1.0
0.8
0.6
0.4
1.2
1.4
-75 -25 0-50 25 50 75 100 125
INPUT OFFSET CURRENT
vs. TEMPERATURE
MAX480-02
TEMPERATURE (°C)
INPUT OFFSET CURRENT (nA)
V
S
= ±15V
0
0.2
0.8
0.6
0.4
1.0
1.2
-75 -25 0-50 25 50 75 100 125
INPUT BIAS CURRENT
vs. TEMPERATURE
MAX480-03
TEMPERATURE (°C)
INPUT BIAS CURRENT (nA)
V
S
= ±15V
2
6
4
16
14
12
10
8
18
20
22
-75 -25 0-50 25 50 75 100 125
SUPPLY CURRENT
vs. TEMPERATURE
MAX480-04
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
V
S
= ±15V
V
S
= ±1.5V
NO LOAD
60
-20
10 1k 10k100 100
CLOSED-LOOP GAIN
vs. FREQUENCY
MAX480-07
FREQUENCY (Hz)
0
20
40
V
S
= ±15V
0
200
100
400
300
500
600
010155 202530
OPEN-LOOP GAIN vs.
SINGLE-SUPPLY VOLTAGE
MAX480-05
SINGLE-SUPPLY VOLTAGE (V)
OPEN-LOOP GAIN (V/mV)
R
L
= 10kΩ
T
A
= +25°C
T
A
= +85°C
T
A
= +125°C
0
40
20
100
80
60
120
140
0.1 10 1001 1k 10k 100k
OPEN-LOOP GAIN AND
PHASE SHIFT vs. FREQUENCY
MAX480-06
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
GAIN
PHASE
V
S
= ±15V
R
L
= 100kΩ
135
180
0
45
90
PHASE SHIFT (DEGREES)
0
100 100k10k1k
OUTPUT VOLTAGE SWING
vs. LOAD RESISTANCE
2
3
6
1
5
4
MAX480-08
LOAD RESISTANCE (Ω)
OUTPUT VOLTAGE SWING (V)
V+ = 5V
V- = 0
0
100 100k10k1k
OUTPUT VOLTAGE SWING
vs. LOAD RESISTANCE
4
6
8
16
2
14
12
10
MAX480-09
LOAD RESISTANCE (Ω)
OUTPUT VOLTAGE SWING (V)
V
S
= ±15V
POSITIVE SUPPLY
NEGATIVE SUPPLY
