GENERAL DESCRIPTON

The AD8137 is a low cost differential driver with a rail-to-rail output that is ideal for driving ADCs in systems that are sensitive to power and cost. The AD8137 is easy to apply, and its internal common-mode feedback architecture allows its output common mode voltage to be controlled by the voltage applied to one pin. The internal feedback loop also provides inherently balanced outputs as well as suppression of even-order harmonic distortion products. Fully differential and single-ended-to-differential gain configurations are easily realized by the AD8137. External feedback networks consisting of four resistors determine the closed-loop gain of the amplifier. The power-down feature is beneficial in critical low power applications.

The AD8137 is manufactured on Analog Devices, Inc., proprietary second-generation XFCB process, enabling it to achieve high levels of performance with very low power consumption.

The AD8137 is available in the small 8-lead SOIC package and 3 mm × 3 mm LFCSP package. It is rated to operate over the extended industrial temperature range of ?40°C to +125°C.

FEATURES

Fully differential

Extremely low power with power-down feature

2.6 mA quiescent supply current @ 5 V

450 μA in power-down mode @ 5 V

High speed

110 MHz large signal 3 dB bandwidth @ G = 1

450 V/μs slew rate

12-bit SFDR performance @ 500 kHz

Fast settling time: 100 ns to 0.02

Low input offset voltage: ±2.6 mV max

Low input offset current: 0.45 μA max

Differential input and output

Differential-to-differential or single-ended-to-differential

operation

Rail-to-rail output

Adjustable output common-mode voltage

Externally adjustable gain

Wide supply voltage range: 2.7 V to 12 V

Available in small SOIC package

Qualified for automotive applications

APPLICATIONS

ADC drivers

Automotive vision and safety systems

Automotive infotainment systems

Portable instrumentation

Battery-powered applications

Single-ended-to-differential converters

Differential active filters

Video amplifiers

Level shifters

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