Features and Benefits
- High common-mode voltage range
-- 4 V to 80 V operating
-- -0.3 V to +85 V survival
- Buffered output voltage
- Gain = 60 V/V
- Wide operating temperature range:
−40°C to +125°C
- Excellent ac and dc performance
-- ±100 nV/°C typical offset drift
-- ±50 µV typical offset
-- ±5 ppm/°C typical gain drift
-- 110 dB typical CMRR at dc
The AD8219 is a high voltage, high resolution, current shunt amplifier. It features a set gain of 60 V/V, with a maximum ±0.3% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8219 offers excellent input common-mode rejection from 4 V to 80 V. The AD8219 performs unidirectional current measurements across a shunt resistor in a variety of industrial and telecom applications including motor control, power management, and base station power amplifier bias control.
The AD8219 offers breakthrough performance throughout the −40°C to +125°C temperature range. It features a zero drift core, which leads to a typical offset drift of ±100 nV/°C throughout the operating temperature and common-mode voltage range. Special attention is devoted to output linearity being maintained throughout the input differential voltage range, regardless of the common-mode voltage present, while the typical input offset voltage is ±50 μV.
The AD8219 is offered in a 8-lead MSOP package.
High side current sensing
- 48 V telecom
- Power management
- Base stations
- Unidirectional motor control
- Precision high voltage current sources
Markets and Technologies
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Tools & Simulations
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.
Sample & Buy
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