The AD8675 receives the "ultimate" rating from EE Times readers!

The AD8675 precision operational amplifier has ultralow offset, drift, and voltage noise combined with very low input bias currents over the full operating temperature range. The AD8675 is a precision, wide bandwidth op amp featuring rail-to-rail output swings and very low noise. Operation is fully specified from ±5 V to ±15 V.

The AD8675 features a rail-to-rail output like that of the OP184, but with wide bandwidth and even lower voltage noise, com-bined with the precision and low power consumption like that of the industry-standard OP07 amplifier. Unlike other low noise, rail-to-rail op amps, the AD8675 has very low input bias current and low input current noise.

With typical offset voltage of only 10 μV, offset drift of 0.2 μV/°C, and noise of only 0.10 μV p-p (0.1 Hz to 10 Hz), the AD8675 is perfectly suited for applications where large error sources cannot be tolerated. For applications with even lower offset tolerances, the proprietary nulling capability allows a combination of both device and system offset errors up to 3.5 mV (referred to the input) to be compensated externally. Unlike previous circuits, the AD8675 accommodates this adjustment without adversely affecting the offset drift, CMRR, and PSRR of the amplifier. Precision instrumentation, PLL, and other precision filter circuits, position and pressure sensors, medical instrumentation, and strain gage amplifiers benefit greatly from the very low noise, low input bias current, and wide bandwidth. Many systems can take advantage of the low noise, dc precision, and rail-to-rail output swing provided by the AD8675 to maximize SNR and dynamic range.

The smaller packages and low power consumption afforded by the AD8675 allow maximum channel density or minimum board size for space-critical equipment.

The AD8675 is specified for the extended industrial temperature range (−40°C to +125°C). The AD8675 amplifier is available in the tiny 8-lead MSOP, and the popular 8-lead, narrow SOIC, RoHS compliant packages. MSOP packaged devices are only available in tape and reel format.

Applications

Precision instrumentation

PLL filters

Laser diode control loops

Strain gage amplifiers

Medical instrumentation

Thermocouple amplifiers

Data Sheet, Rev. A, 4/07

Part#	Small Signal Bandwidth	Slew Rate	Vos	Ib	V Noise Density	Amplifiers Per Package	Widest Temp Range (°C)
AD8675	10MHz	2.5V/µs	10µV	500pA	2.8nV/rtHz	1	-40 to +125
AD8676	10MHz	2.5V/µs	12µV	500pA	2.8nV/rtHz	2	-40 to +125
AD8599	10MHz	16.8V/µs	10µV	25nA	1.15nV/rtHz	2	-40 to +125
AD8671	10MHz	4V/µs	20µV	3nA	2.8nV/rtHz	1	-40 to +125
AD8605	10MHz	5V/µs	20µV	200fA	6.5nV/rtHz	1	-40 to +125
AD8661	4MHz	3.5V/µs	30µV	300fA	12nV/rtHz	1	-40 to +125
AD8641	3.5MHz	3V/µs	50µV	250fA	27.5nV/rtHz	1	-40 to +125
ADA4000-1	5MHz	20V/µs	200µV	5pA	16nV/rtHz	1	-40 to +125
AD8691	10MHz	5V/µs	400µV	200fA	6.5nV/rtHz	1	-40 to +125
AD8601	8.4MHz	6V/µs	500µV	200fA	18nV/rtHz	1	-40 to +125
AD8615	23MHz	12V/µs	80µV	200fA	7nV/rtHz	1	-40 to +125

The model number is a specific version of a generic that can be purchased or sampled.

Status indicates the current lifecycle of the product. This can be one of 4 stages:

• Pre-Release: The model has not been released to general production, but samples may be available.
• Production: The model is currently being produced, and generally available for purchase and sampling.
• Last Time Buy: The model has been scheduled for obsolescence, but may still be purchased for a limited time.
• Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).

The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

This is the acceptable operating range of the device. The various ranges specified are as follows:

• Commercial: 0 to +70 degrees Celsius
• Military : -55 to +125 degrees Celsius
• Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
• Automotive: -40 to +125 degrees Celsius

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.