OPA657NB/250G4

1.6GHz, Low Noise, Fet -Input Operational Amplifier, SOP-8, ±6.5V, low input bias current 2pA

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Price:: US $0.83~1.27 / piece [Get Latest Price]

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PartNumber:: OPA657NB/250G4

Brand:: Texas Instruments - TI | Pack: SOT | D/C: 10+

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Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-06-25

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Part Number:OPA657NB/250G4
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Product Summary

The OPA657NB/250G4 is a Low Noise, Fet -Input Operational Amplifier. It combines a high gain bandwidth, low distor-tion, voltage-feedback op amp with a low voltage noise JFET-input stage to offer a very high dynamic range amplifier for high precision ADC (Analog-to-Digital Converter) driving or wideband transimpedance applications. Photodiode applications of the OPA657NB/250G4 will see improved noise and bandwidth using this decompensated, high gain bandwidth amplifier. Very low level signals can be significantly amplified in a single OPA657NB/250G4 gain stage with exceptional bandwidth and accuracy. Having a high 1.6GHz gain bandwidth product will give > 10MHz signal bandwidths up to gains of 160V/V (44dB). The very low input bias current and capacitance of the OPA657NB/250G4 will support this performance even for relatively high source impedances.

Parametrics

OPA657NB/250G4 absolute maximum ratings: (1)Supply Voltage: ±6.5V; (2)Internal Power Dissipation: See Thermal Characteristics; (3)Differential Input Voltage: ±VS; (4)Input Voltage Range: ±VS; (5)Storage Temperature Range: –40℃ to +125℃; (6)Lead Temperature: +260℃; (7)Junction Temperature (TJ ): +175℃; (8)ESD Rating (Human Body Model): 2000V; (Machine Model): 200V.

Features

OPA657NB/250G4 features: (1)high gain bandwidth product: 1.6GHz; (2)high bandwidth 275MHz (G = +10); (3)low input offset voltage: ±0.25mV; (4)low input bias current: 2pA; (5)low input voltage noise: 4.8nV/ Hz; (6)high output current: 70mA; (7)fast overdrive recovery.