AFE2256
- 256 Channels
- On-Chip, 16-Bit ADC
- Photodiode Short Immunity
- High Performance:
- Noise: 750 Electrons RMS (1.2-pC Input Charge Range)
- Low Correlated Noise
- Integral Nonlinearity: ±2 LSB with Internal 16-Bit ADC
- Scan Time: < 20 µs to 204.8 µs
- Integration:
- Six Selectable, Full-Scale Input Ranges: 0.6 pC (Minimum) to 9.6 pC (Maximum)
- Internal Timing Generator (TG)
- Built-In Correlated Double Sampler
- Pipelined Integrate-and-Read for Improved Throughput—Data-Read During Integration
- Serial LVDS Output
- Simple Power-Supply Scheme:
- AVDD1 = 1.85 V
- AVDD2 = 3.3 V
- Low Power Consumption
- Nap and Total Power-Down Modes
- Custom Chip-On-Film (COF) Packages
The AFE2256 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 with dual banking, and 256:4 analog multiplexers.
The device also features four 16-bit successive-approximation register (SAR) analog-to-digital converters (ADCs). Serial data from the ADCs are available in low-voltage differential signaling (LVDS) format.
The nap and power-down modes enable substantial power savings, and are especially useful in battery-powered systems.
To request a full datasheet or other design resources: request AFE2256
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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | AFE2256 256-Channel, Analog Front-End for Digital X-Ray, Flat-Panel Detectors datasheet (Rev. C) | PDF | HTML | 2023年 12月 13日 |
White paper | Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) | PDF | HTML | 2024年 4月 30日 | |
Analog Design Journal | Selecting a multichannel ultra-low-current measurement IC | PDF | HTML | 2022年 3月 18日 | |
Technical article | Advancements in X-ray imaging | PDF | HTML | 2017年 3月 28日 |
設計與開發
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AFE2256EVM — 適用於數位 X 光平板偵測器的 AFE2256 256 通道 AFE 評估模組
The AFE2256EVM is a compact USB based evaluation kit for evaluating the AFE2256 COF, a 256-channel analog front-end. The EVM is self-contained with DACs and power generation on-board which greatly reduces its dependency on external equipment. The kit consists of an EVM and two separate COF adapters (...)
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
COF (TBN) | 325 | Ultra Librarian |
COF (TDR) | 325 | Ultra Librarian |
COF (TDU) | 320 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。