10 MHz, 20 V/μs, G = 1, 2, 4, 8 iCMOS® Programmable Gain Instrumentation Amplifier

The AD8251 is an Instrumentation Amplifier with digitally programmable gains that has G input impedance, low output noise, and low distortion, making it suitable for interfacing with Sensors and driving high sample rate Analog-to-digital converters (ADCs). It has high bandwidth of 10 MHz, low THD of 110 dB, and fast settling time of 785 ns (maximum) to 0.001%. Offset drift and gain drift are guaranteed to 1.8 V/C and 10 ppm/C, respectively, for G = 8. In addition to its wide input common voltage range, it boasts a high common-mode rejection of 80 dB at G = 1 from dc to 50 kHz. The combination of precision dc performance coupled with high speed capabilities makes the AD8251 an excellent candidate for data acquisition. Furthermore, this monolithic solution simplifies design and manufacturing and boosts performance of instrumentation by maintaining a tight match of internal resistors and Amplifiers
The AD8251 user Interface consists of a parallel port that allows users to set the gain in one of two different ways (see Figure 1 in data sheet for the functional block diagram). A 2-bit word sent via a bus CAN be latched using the WR input. An alternative is to use transparent gain mode where the state of Logic levels at the gain port determines the gain.
The AD8251 is available in a 10-lead MSOP package and is specified over the 40C to +85C temperature range, making it an excellent solution for applications where size and packing density are important considerations.
Applications Data acquisition Biomedical analysis Test and measurement
Data Sheet, Rev. 0, 5/07
By Analog Devices, Inc.
AD8251 's PackagesAD8251 's pdf datasheet
AD8251-EVALZ
AD8251ARMZ MSOP
AD8251ARMZ-R7 MSOP
AD8251ARMZ-RL MSOP




AD8251 Pinout, Pinouts
AD8251 pinout,Pin out
This is one package pinout of AD8251,If you need more pinouts please download AD8251's pdf datasheet.

AD8251 Application circuits
AD8251 circuits
This is one application circuit of AD8251,If you need more circuits,please download AD8251's pdf datasheet.


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