AFE0256 Datasheet (Texas Instruments) - 256-Channel Analog Front-End

AFE0256, 256-Channel Analog Front-End

The AFE0256 is a 256-channel analog front-end (AFE) designed to suit the requirements of flat-panel detector (FPD)-based digital x-ray systems.

The device includes 256 integrators, a programmable gain amplifier (PGA) for full-scale charge level selection, a correlated double sampler (CDS) with dual

AFE0256 Features

* 1

* 23 256 Channels

* On-Chip, 14-Bit ADC

* High Performance:

* Noise: 758 electronRMS (eRMS) with 28-pF Sensor Capacitor in 1.2-pC Range

* Integral Nonlinearity: ±1.25 LSB with Internal 14-Bit ADC

* Minimum Scan Time:

* Normal Mode: 37.9 µs, In