Description
The AD8237ARMZ-R7 is a highly integrated, single-lead heart rate monitor analog front end (AFE) chip designed by Analog Devices. This chip is ideal for battery-powered instruments that require low power consumption, such as portable ECG monitors, patient monitoring systems, and fitness devices. It is designed to provide excellent DC performance, low input bias current, low input noise, and high input impedance, ensuring accurate and reliable bio-signal measurements.
The AD8237ARMZ-R7 features a gain set with 2 external resistors, rail-to-rail input and output, zero input crossover distortion, and an on-chip RFI filter. It also has a bandwidth mode pin (BW) to adjust compensation and provides single-supply operation from 1.8 V to 5.5 V. The device is packaged in an 8-lead MSOP package with an 8 kV HBM ESD rating for added reliability.
Features
According to the product information, the features of AD8237ARMZ-R7 are:
- Gain set with 2 external resistors
- Low gain drift at all gains
- Ideal for battery-powered instruments (supply current: 115 μA)
- Rail-to-rail input and output
- Zero input crossover distortion
- Designed for excellent DC performance:
- + Minimum CMRR: 106 dB
- + Maximum offset voltage drift: 0.3 μV/°C
- Bandwidth mode pin (BW) to adjust compensation
- 8 kV HBM ESD rating
- On-chip RFI filter
- Single-supply operation (1.8 V to 5.5 V)
- Available in an 8-lead MSOP package
These features make the AD8237ARMZ-R7 suitable for medical instrumentation applications, such as portable ECG monitors and patient monitoring systems.
Package
The package type of AD8237ARMZ-R7 is MSOP-8.
Pinout
The AD8237ARMZ-R7 has an MSOP-8 package with the following pins:
- VCC: Positive supply voltage
- GND: Ground
- IN+: Input signal+
- IN-: Input signal-
- BW: Bandwidth mode pin (adjusts compensation)
- OUT+: Output signal+
- OUT-: Output signal-
- NC: No connect
The AD8237ARMZ-R7 is a single-lead heart rate monitor analog front end (AFE) chip designed for medical instrumentation applications. It has a rail-to-rail input and output, low power consumption, and high CMRR.
Manufacturer
The manufacturer of the AD8237ARMZ-R7 is Analog Devices, a fabless semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits (ICs).
Applications
The AD8237ARMZ-R7 is typically used in medical instrumentation applications, such as portable ECG monitors, patient monitoring systems, and fitness devices. It's designed for applications that require low input bias current, low input noise, and high input impedance to ensure accurate and reliable bio-signal measurements.
Equivalent
The equivalent products of AD8237ARMZ-R7 are:
- Texas Instruments' ADS1298
- Maxim Integrated's MAX30001
- STMicroelectronics' LIS3LV02DQ
These ICs share similar features, such as single-lead heart rate monitoring, low power consumption, and high accuracy.
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