17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
MAX478/MAX479
____________________________Typical Operating Characteristics (continued)
NOISE SPECTRUM
1000
SHORT-CIRCUIT CURRENT (mA)
SINKING
SOURCING
VOLTAGE NOISE DENSITY (nV/√
Hz
)
CURRENT NOISE DENSITY (fA/√
Hz
)
V
S
=
±2.5V
T
A
= +25°C
300
CURRENT NOISE
20
SHORT-CIRCUIT CURRENT
INPUT OFFSET
CURRENT (pA)
V
S
= 5V, 0V
V
S
=
±15V
V
S
=
±2.5V
0
V
S
=
±2.5V
100
INPUT BIAS AND OFFSET CURRENT
vs. TEMPERATURE
V
S
= 5V, 0V
75
50
25
I
OS
10
100
VOLTAGE NOISE
30
1/f CORNER
0.5Hz
INPUT BIAS
CURRENT (nA)
-10
-2.5
-3.0
-3.5
I
B
-20
V
S
=
±15V
-30
0
1
2
10
0.1
1
10
FREQUENCY (Hz)
100
1k
-4.0
-50
-25
0
25
50
75
100
TEMPERATURE (°C)
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
LARGE-SIGNAL TRANSIENT RESPONSE
V
S
= ±15V
LARGE-SIGNAL TRANSIENT RESPONSE
V
S
= 5V, 0V
OUTPUT VOLTAGE (20mV/div)
SMALL-SIGNAL TRANSIENT RESPONSE
V
S
= ±2.5V
OUTPUT VOLTAGE (5V/div)
OUTPUT VOLTAGE (1V/div)
0V
2V
0V
TIME (500µs/div)
A
V
= +1, C
L
= 15pF
TIME (100µs/div)
A
V
= +1, C
L
= 15pF
TIME (20µs/div)
A
V
= +1, C
L
= 15pF
SMALL-SIGNAL TRANSIENT RESPONSE
V
S
= 5V, 0V
SMALL-SIGNAL TRANSIENT RESPONSE
V
S
= ±15V
OUTPUT VOLTAGE (20mV/div)
100m
V
OUTPUT VOLTAGE (20mV/div)
0V
TIME (20µs/div)
A
V
= +1, C
L
= 15pF
TIME (20µs/div)
A
V
= +1, C
L
= 15pF
10
_______________________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
