Product Details
Key Features
Applications/Uses
Unity Gain BW (MHz) (typ) | 3 |
Input IBIAS (nA) (max) | 0.00015 |
VOS (µV) (max) | 5000 |
VSUPPLY (Total) (V) (min) | 4.75 |
VSUPPLY (Total) (V) (max) | 38 |
# Amplifiers | 1 |
Rail to Rail | Output Only |
Package/Pins | TDFN/6 UMAX/8 |
Budgetary Price (See Notes) | 1.04 |
Simplified Block Diagram
Technical Docs
Support & Training
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Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Parameters
Unity Gain BW (MHz) (typ) | 3 |
Input IBIAS (nA) (max) | 0.00015 |
VOS (µV) (max) | 5000 |
VSUPPLY (Total) (V) (min) | 4.75 |
VSUPPLY (Total) (V) (max) | 38 |
# Amplifiers | 1 |
Rail to Rail | Output Only |
Package/Pins | TDFN/6 UMAX/8 |
Budgetary Price (See Notes) | 1.04 |
Key Features
- +4.75V to +38V Single-Supply Voltage Range
- ±2.4V to ±19V Dual-Supply Voltage Range
- Rail-to-Rail Output Voltage Swing
- 400µA Low Quiescent Current
- 50fA Low Input Bias Current
- 1fA/
Low Input Current Noise
- 15nV/
Low Noise
- 3MHz Unity-Gain Bandwidth
- Wide Temperature Range from -40°C to +125°C
- Available in Space-Saving, 6-Pin TDFN Package (3mm x 3mm)
Applications/Uses
- Active Filters and Signal Processing
- Automatic Test Equipment (ATE)
- Chemical Sensor Interface
- Displays: Industrial, Front Panel, and Instrumentation
- High-Performance Audio Line Out
- Industrial Sensors and Instrumentation
- Industrial: Process Measurement and Control
- Medical Pulse Oximetry
- Panel Meters
- Photodiode Sensor Interface
- Power Meters
- Programmable Logic Controllers (PLCs)
Description
The MAX9945 is ideal for portable medical and industrial applications that require low noise analog front-ends for performance applications such as photodiode transimpedance and chemical sensor interface circuits.
The MAX9945 is available in both an 8-pin µMAX® and a space-saving, 6-pin TDFN package, and is specified over the automotive operating temperature range (-40°C to +125°C).
Technical Docs
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.