MAX9945 Maxim, MAX9945 Datasheet - Page 5

• Manufacturer Part Number: MAX9945
• Description: The MAX9945 operational amplifier features an excellent combination of low operating power and low input voltage noise
• Manufacturer: Maxim

(V
unless otherwise noted.)
CC
= +15V, V
EE
= -15V, V
1000
-100
-120
120
800
600
400
200
-40
-20
-40
-60
-80
_______________________________________________________________________________________
80
40
0
0
0
-15
1m
1
POWER-SUPPLY REJECTION RATIO
UNIPOLAR
IN+
1
vs. COMMON-MODE VOLTAGE
10
-10
PSRR-
INPUT OFFSET VOLTAGE
COMMON-MODE VOLTAGE (V)
= V
10
100
OPEN-LOOP GAIN
vs. FREQUENCY
vs. FREQUENCY
IN-
FREQUENCY (Hz)
-5
FREQUENCY (Hz)
100
1k
= V
1k
0
GND
10k
10k 100k 1M 10M
100k
= 0V, R
5
BIPOLAR
PSRR
Typical Operating Characteristics (continued)
UNIPOLAR
PSRR+
1M
10
OUT
10M
38V, Low-Noise, MOS-Input,
= 100kΩ to GND, T
10,000
1000
1000
-100
A
800
600
400
200
100
-20
-30
-40
-50
-60
-70
-80
-90
Low-Power Op Amp
0
= -40°C to +125°C, typical values are at T
-40
10
1
COMMON-MODE REJECTION RATIO
-20
100
INPUT OFFSET VOLTAGE
vs. CAPACITIVE LOAD
0
RESISTOR ISOLATION
vs. TEMPERATURE
TEMPERATURE (°C)
vs. FREQUENCY
1k
UNSTABLE
FREQUENCY (Hz)
20
STABLE
V
CM
R
ISO
V
V
40
10k
10
= V
CM
CM
(Ω)
CC
= V
= 0V
60
- 1.2V
EE
100k
80
1M
100 120
100
10M
A
= +25°C,
5