MAX9945AUA+ Maxim Integrated Products, MAX9945AUA+ Datasheet - Page 6

• Manufacturer Part Number: MAX9945AUA+
• Description: IC OPAMP MOS-INPUT LP/LN 8-MSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX9945AUA+

• Amplifier Type: General Purpose
• Number Of Circuits: 1
• Output Type: Rail-to-Rail
• Slew Rate: 2.2 V/µs
• Gain Bandwidth Product: 3MHz
• Current - Input Bias: 0.05pA
• Voltage - Input Offset: 600µV
• Current - Supply: 400µA
• Current - Output / Channel: 25mA
• Voltage - Supply, Single/dual (±): 4.75 V ~ 38 V, ±2.4 V ~ 19 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Input Offset Voltage: +/- 0.6 V
• Input Bias Current (max): 50 fA
• Common Mode Rejection Ratio (min): 94 dB
• Supply Current: 850 uA
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Input Voltage: - 0.3 V to + 40 V
• Maximum Power Dissipation: 387.8 mW
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 125 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• -3db Bandwidth: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

38V, Low-Noise, MOS-Input,
Low-Power Op Amp
(V
unless otherwise noted.)
6
CC
_______________________________________________________________________________________
= +15V, V
EE
500mV/div
= -15V, V
10,000
1000
V
100
+1V
OUT
-1V
10
30
25
20
15
10
5
0
10
vs. CAPACITIVE AND RESISTIVE LOADS
1
A
V
R
C
V
IN
L
L
LARGE SIGNAL-STEP RESPONSE
= 10kΩ
IN+
= 1V/V
= 100pF
= 2V
PARALLEL LOAD RESISTANCE (kΩ)
LARGE-SIGNAL RESPONSE
P-P
= V
10
OP-AMP STABILITY
100
vs. FREQUENCY
IN-
FREQUENCY (kHz)
UNSTABLE
= V
1μs/div
STABLE
100
GND
1000
R
= 0V, R
LOAD
1000
Typical Operating Characteristics (continued)
= 100kΩ
MAX9945 toc19
OUT
10,000
10,000
= 100kΩ to GND, T
10mV/div
1000.00
2.5V/div
100.00
+20mV
-20mV
10.00
V
V
1.00
0.10
0.01
+5V
A
OUT
-5V
OUT
= -40°C to +125°C, typical values are at T
10
A
V
R
V
IN
L
LARGE SIGNAL-STEP RESPONSE
SMALL SIGNAL-STEP RESPONSE
= 1V/V
= 100kΩ
= 40mV
100
OUTPUT IMPEDANCE
P-P
ACL = 10
ACL = 1
vs. FREQUENCY
1k
FREQUENCY (Hz)
4μs/div
2μs/div
10k
100k
A
V
R
C
V
IN
L
L
= 10kΩ
= 1V/V
= 100pF
1M
MAX9945 toc18
= 10V
MAX9945 toc20
P-P
10M
A
= +25°C,