Creator Electronics MAX1301 Especificaciones descargar pdf (Pagina 72)

67Sensors: Featured Products

Maximize System Accuracy in Photodiode and

High-Ohmic Sensor Applications

MAX9945

The MAX9945 operational amplier features an excellent combination

of low-operating power and low-input-voltage noise. MOS inputs

enable the MAX9945 to feature low 50fA input-bias currents and low

(15nV/√Hz) input-current noise. The MAX9945 simplies the interface

between high-ohmic sensors or low-current TIA applications.

Benefits

• Improves system’s signal-to-noise

ratio (SNR) for more accurate

measurements

◦ 50fA low input-bias current

◦ 1fA/√Hz low input-current noise

◦ 15nV/√Hz low noise

• High-voltage robust design simplifies

mixed-voltage designs

◦ 4.75V to 38V single-supply voltage

range

◦ ±2.4V to ±19V dual-supply voltage

range

◦ Rail-to-rail output-voltage swing

IN-

IN+

OUT

PHOTODIODE

SIGNAL

CONDITIONING/

FILTERS

ADC

MAX9945

Highly accurate light-sensor interface features the MAX9945 op amp.

For more information on Maxim’s optical communication products, please go to: www.maxim-ic.com/fiber.

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Creator Electronics MAX1301 Especificaciones Pagina 72