AFE0256
www.ti.com SBAS560A – DECEMBER 2012 – REVISED AUGUST 2013 256-Channel Analog Front-End for Flat-Panel Digital X-Ray Detector
Check for Samples: AFE0256 FEATURES APPLICATIONS 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, Internal ADC
– 2x Binning Mode: 26 µs, Internal ADC
Integration:
– Eight Selectable, Full-Scale Ranges:
– 0.15 pC (min) to 9.6 pC (max)
– Built-In Correlated Double Sampler
– 2x Binning for Faster Throughput:
– Averages Charge of Two Adjacent
Channels
– Pipelined Integration and Read:
– Allows Data Read During Integration
Flexibility:
– Electron and Hole Integration …