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The PGA5807ARGCR is a high-performance, 8-channel, complete analog front-end (AFE) chip

The PGA5807ARGCR is a high-performance, 8-channel, complete analog front-end (AFE) chip

Source:our siteTime:2024-12-16Views:

PGA5807ARGCR 8 channels, high bandwidth, analog front-endFeatures:8-channel full Analog Front End (AFE) :Low Noise Amplifier (LNA), Programmable Gain Amplifier (PGA), and Programmable Low-pass Filter (LPF)Full channel gain: 12dB to 30dBInput related n…

PGA5807ARGCR 8 channels, high bandwidth, analog front-end

Features:

8-channel full Analog Front End (AFE) :

Low Noise Amplifier (LNA), Programmable Gain Amplifier (PGA), and Programmable Low-pass Filter (LPF)

Full channel gain: 12dB to 30dB

Input related noise: 2.1nV/√Hz

LNA:

Gain: 12dB

Fully differential

Wide input common mode support:

2.1 ± 200mV

Maximum linear input range: 500mVPP

PGA gain: 0dB to 18dB

Has 3dB gain step size

Can be set via serial port or external pin

Maximum total channel gain: 30dB

Programmable LPF:

Angle frequency: 75MHz, 60MHz

Power (full chain) :

60mW per channel

Fast and continuous overload recovery

Small size package: 9mm x 9mm square flat leadless package (QFN)-64

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Description:

The PGA5807ARGCR is an 8-channel, high-bandwidth, analog front end (AFE). The device operates from a 3.3V analog single power supply. This device supports high bandwidth input frequencies with a total power of 60mW per channel. The PGA5807A contains a low noise amplifier (LNA), a programmable gain amplifier (PGA), and a programmable low-pass filter (LPF). This LNA has a fixed gain of 12dB (differential amplifiers support direct and capacitive input coupling) and supports a maximum linear input range of 500mVPP.


This device offers gain options from 0dB to 18dB with gain steps of 3dB. This 18dB PGA gain can be set using a serial port or an external pin. The PGA5807A incorporates an anti-aliasing filter of the form LPF to reduce noise.


Scope of application:

• Data acquisition front end

• Ultrasonic imaging


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