MAX41400
Low-Power, Precision Instrumentation Amplifier with Programmable Gain
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Enhances Sensor System Accuracy by 4x and Extends Battery Life by 55%
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Features
- Supply Voltage Range: 1.7V to 3.6V
- Very Low 25µV (max) Input Offset Voltage
- Low 65µA Quiescent Current
- Rail-to-Rail Inputs and Outputs
- EMIRR
- >100dB at 1800MHz, 2400MHz
- >90dB at 900MHz
- 28kHz, -3dB Bandwidth
- On-the-Fly Programmable Gain:
- 10V/V, 20V/V, 40V/V, 80V/V, 100V/V, 150V/V, 200V/V, and 250V/V
- Power-Saving Shutdown Mode
- Available in Tiny 1.26mm × 1.23mm, 9-Bump WLP and 2.5mm × 2mm, 10-Pin TDFN
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The MAX41400 is a low-power, high-precision instrumentation amplifier with programmable gain through input pins.
Available in a space-saving, 9-bump wafer-level package (WLP) with a 0.4mm bump pitch, it is designed for use in portable medical and industrial sensor applications. The device features internal EMI filters to protect from RF disturbances and EMI. The internal fixed gain can be selected from 10V/V to 250V/V. The gain-setting resistors are located inside the device, thus minimizing gain drift variations over the temperature range.
The MAX41400 features rail-to-rail CMOS inputs and outputs; a 28kHz, -3dB bandwidth at just 65µA (typ) supply current; and 25µV (max) zero-drift input offset voltage over time and temperature. The zero-drift feature eliminates the high 1/f noise typically found in CMOS input amplifiers, making it useful for a wide variety of low-frequency measurement applications.
The MAX41400 operates from a 1.7V to 3.6V power supply voltage and is specified over the −40°C to +125°C automotive temperature range.
Applications
- EKG Medical Devices
- Insulin and Infusion Pumps
- Low-Power Sensor Interface
- Pressure, Weight, Force Sensors
- RTD Temperature Sensors
- Wearable Devices
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MAX41400
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
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| MAX41400ANL+ |
9-WLCSP-N/A
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| MAX41400ANL+T |
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9-WLCSP-N/A
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HTML
Material Declaration
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HTML
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Ultra Librarian
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SamacSys
- MAX41400ANL+T
- Pin/Package Drawing
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9-WLCSP-N/A
- Documentation
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HTML
Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
Evaluation Kits 1
MAX41400EVKIT
Evaluation Kit for the MAX41400
Product Detail
The MAX41400 evaluation kit (EV kit) provides a proven design to evaluate the MAX41400 low-power precision instrumentation amplifier with programmable gain in a nine-bump wafer-level package (WLP). The MAX41400 features internal selectable gain from 10V/V to 200V/V. The MAX41400 EV kit can set different device gain with different jumper configurations. The EV kit operates from a single supply voltage between 1.7V and 3.6V, or from dual supplies providing ±0.85V to ±1.8V.
Applications
- EKG Medical Devices
- Insulin and Infusion Pumps
- Low-Power Sensor Interface
- Pressure, Weigh, Force Sensors
- RTD Temperature Sensors
- Wearable Devices
Resources
SPICE Model
