Electrical characteristics: 3v – Rainbow Electronics MAX479 User Manual
Page 5
MAX478/MAX479
17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS: 3V
(V
S
= 3V, 0V, V
CM
= 0.1V, V
O
= 0.8V, T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MAX478AC
MAX479AC
MIN
TYP
MAX
MAX478C/E
MAX479C/E
MIN
TYP
MAX
UNITS
MAX479CS/ES
Input Offset Current
I
OS
90
270
0.05
0.05
nA
Input Bias Current
I
B
3
3
nA
Common-Mode
Rejection Ratio
CMRR
V
CM
= 0V to 1.7V
93
103
90
102
dB
Input Offset Voltage
V
OS
MAX478ACP/CP/EP
30
90
40
140
µV
MAX479ACP/CP/EP
35
120
40
170
Power-Supply
Rejection Ratio
PSRR
V
S
= 2.2V to 12V
94
104
92
104
dB
Large-Signal
Voltage Gain
A
VOL
100
600
100
600
V/mV
MAX478CS/ES
80
200
V
O
= 0.03V to 1.5V, R
L
= 50k
Ω
30
180
30
180
Output Voltage Swing
V
OUT
Output low, no load
6
9
6
9
mV
Output low, 2k
Ω
to GND
0.2
0.6
0.2
0.6
Output high, no load
2.2
2.4
2.2
2.4
V
Output high, 2k
Ω
to GND
1.8
2.0
1.8
2.0
Supply Current per Amplifier
I
S
12
17
13
20
µA
Input Noise Voltage
e
N
0.1Hz to 10Hz
1.0
1.0
µV
p-p
Input Voltage Range
V
IN (CM)
Upper limit
1.7
1.9
1.7
1.9
V
Lower limit
0
-0.3
Gain-Bandwidth Product
GBW
f
O
≤
5kHz
50
50
kHz
Minimum Supply Voltage
V
S
2.2
2.2
V
V
O
= 0.03V to 2V, no load
(Note 1)
0
-0.3
With 300µV V
OS
degradation
1.7
1.7