AD8676 Analog Devices Data Handbook & Specifications Sheet

Ultraprecision, 36 V, 2.8 n V/√Hz Dual Rail-to-Rail Output Op Amp

AD8676 FEATURES PIN CONFIGURATIONS Very low voltage noise: 2.8 n V/√Hz @ 1 k Hz

OUT V+8

Rail-to-rail output swing AD8676

–IN OUT B7

Low input bias current: 2 n A maximum +IN TOP VIEW –IN B6

(Not to Scale)

Very low offset voltage: 12 μV typical V– +IN B5

Low input offset drift: 0.6 μV/°C maximum

Figure 1. 8-Lead SOIC_N (R-8)

Very high gain: 120 d B Wide bandwidth: 10 MHz typical OUT A V+8

±5 V to ±18 V operation –IN A AD8676 OUT B7

+IN A TOP VIEW –IN B6 (Not to Scale)

APPLICATIONS V– +IN B5

Precision instrumentation

Figure 2. 8-Lead MSOP (RM-8)

PLL filters Laser diode control loops Strain gage amplifiers Medical instrumentation Thermocouple amplifiers

GENERAL DESCRIPTION

instrumentation, and strain gage amplifiers benefit greatly from

The AD8676 precision operational amplifier offers ultralow

the very low noise, low input bias current, and wide bandwidth.

offset, drift, and voltage noise combined with very low input

www.BDTIC.com/ADI Many systems can take advantage of the low noise, dc precision,

bias currents over the full operating temperature range. The

and rail-to-rail output swing provided by the AD8676 to maxi-

AD8676 is a precision, wide bandwidth op amp featuring rail-

mize SNR and dynamic range.

to-rail output swings and very low noise. Operation is fully specified from ±5 V to ±15 V.

The smaller packages and low power consumption afforded by the AD8676 allow maximum channel density or minimum

The AD8676 features a rail-to-rail output like that of the OP184,

board size for space-critical equipment.

but with wide bandwidth and even lower voltage noise, com- bined with the precision and low power consumption like that

The AD8676 is specified for the extended industrial temperature

of the industry-standard OP07 amplifier. Unlike other low

range (−40°C to +125°C). The AD8676 is available in the 8-lead

noise, rail-to-rail op amps, the AD8676 has very low input bias

MSOP, and the popular 8-lead, narrow SOIC; both of which are

current and low input current noise.

lead-free packages. MSOP packaged devices are only available in tape and reel format.

With typical offset voltage of only 12 μV, offset drift of 0.2 μV/°C, and noise of only 0.10 μV p-p (0.1 Hz to 10 Hz), the AD8676 is

For the single version of this ultraprecision, rail-to-rail op amp,

perfectly suited for applications where large error sources

see the AD8675 data sheet.

cannot be tolerated. Precision instrumentation, PLL and other precision filter circuits, position and pressure sensors, medical

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