MAX9945 Maxim, MAX9945 Datasheet - Page 5
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MAX9945
Manufacturer Part Number
MAX9945
Description
The MAX9945 operational amplifier features an excellent combination of low operating power and low input voltage noise
Manufacturer
Maxim
Datasheet
1.MAX9945.pdf
(14 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX9945AUA+T
Manufacturer:
MAXIM
Quantity:
163
Part Number:
MAX9945AUA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
(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