VCA2615 Datenblatt PDF ( Pinout, schematic )

Teilenummer : VCA2615

Function : Dual/ VARIABLE GAIN AMPLIFIER with Low-Noise Preamp

Hersteller : Texas Instruments

Pinout :

VCA2615 datenblatt

Beschreibung :

The VCA2615 is a dual-channel, variable gain amplifier consisting of a Low-Noise Preamplifier (LNP) and a Variable Gain Amplifier (VGA). This combination along with the device features makes it well-suited for a variety of ultrasound systems.

The LNP offers a high level of flexibility to adapt to a wide range of systems and probes. The LNP gain can be programmed to one of four settings (3dB, 12dB, 18dB, 22dB), while maintaining excellent noise and signal handling characteristics. The input impedance of the LNP can be controlled by selecting one of the built-in feedback resistors.

This active termination allows the user to closely match the LNP to a given source impedance, resulting in optimized overall system noise performance. The differential LNP
outputs are provided either as buffered outputs for further CW processing, or fed directly into the variable-gain amplifier (VGA). Alternatively, an external signal can be applied to the
differential VGA inputs through a programmable switch.

Datenblatt PDF Download

VCA2615 pdf

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