说明
MCP37211-200是一款12位流水线a/D转换器,最大采样率为200 Msps。超过71.3 dB的信噪比(SNR)和超过90 dB的杂散自由动态范围(SFDR)的高精度实现了对快速输入信号的高精度测量。该设备在200 Msps(包括LVDS数字I/O)下以468 mW的极低功耗运行。144 mW(待机)和28 mW(关机)的低功耗模式可用。MCP37211-200包括许多数字处理功能,可简化系统设计、成本和功耗。其中包括用于提高SNR的抽取滤波器,用于提高感兴趣带宽周围的SNR的噪声整形再量化器,单独的相位、偏移和增益调整,以及用于多通道模式中的时延校正的分数延迟恢复。数据可通过串行DDR LVDS或并行CMOS接口获得,并通过SPI进行配置。该设备有TFBGA-121和VTLA-124两种产品包。TFBGA-121封装适用于汽车应用(AEC-Q100)。
特性
- 12-bit resolution
- 200 Msps maximum sampling rate
- Low power 468 mW operation at full sampling rate, including LVDS digital I/O
- Power saving modes of 144 mW during Standby and 28 mW during Shutdown
- 71.3 dBFS SNR at 200 Msps
- >90 dBFS SFDR at 200 Msps
- Decimation filters for improved SNR
- Noise-shaping requantizer
- Phase, offset and gain adjustment of individual channels
- Fractional delay recovery for time-delay corrections in multi-channel operations (dual/octal-channel modes)
- Input channel bandwidth of 500 MHz
- Output data format in serial DDR LVDS or parallel CMOS
- Configuration via Serial Peripheral Interface (SPI)
- TFBGA-121 Package: AEC-Q100 qualified, Temperature Grade 1: -40°C to +125°C
- VTLA-124 Package: Temperature Range: -40°C to +85°C
参数
类型 | 描述 |
Resolution | 12 |
Sample Rate kSPS Max | 200000 |
Input Channels Differential | 8 |
SNRTyp | 71.33 |
SFDRTyp | 90 |
ENOB | 11.6 |
INLTypLSB | 0.125 |



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