Analog Devices Inc. AD9656 四通道 16 位模数转换器
Analog Devices 带片上采样保持电路的 AD9656 四通道、16 位、模数转换器(ADC)，被设计用于易用的、小型、低成本、低功耗系统。AD9656 的转换速率最高可达 125MSPS，具有杰出的动态性能与低功耗特性，适合比较重视小封装尺寸的应用。AD9656 需要采用 1.8V 单电源供电以及 LVPECL/CMOS/LVDS 兼容型采样速率时钟信号，以便充分发挥其工作性能。无需外部基准电压源或驱动器件便可满足许多应用需求。支持独立关断各通道；禁用所有通道时，器件典型功耗低于 2mW。该模数转换器内置多种功能特性，可使器件的灵活性达到最佳、系统成本最低，例如可编程输出时钟与数据对准、生成可编程数字测试码等。可获得的数字测试码包括内置固定码和伪随机码，以及通过串行端口接口(SPI)输入的用户自定义测试码。AD9656 16 位模数转换器采用符合 RoHS 标准的 56 引脚 LFCSP 封装，额定工业温度范围为 -40°C 至 +85°C，适用于医疗影像、高速影像、正交无线电接收机、分集无线电接收机、便携式测试设备等。
Available in a RoHS-compliant, 56-lead LFCSP package and specified over the industrial temperature range of -40°C to +85°C, the AD9656 16-bit ADC is ideal for medical imaging, high-speed imaging, quadrature radio receivers, diversity radio receivers, and portable test equipment.
特性
- SNR = 79.9dBFS at 16MHz (VREF = 1.4V)
- SNR = 78.1dBFS at 64MHz (VREF = 1.4V)
- SFDR = 86dBc to Nyquist (VREF = 1.4V)
- JESD204B Subclass 1 coded serial digital outputs
- Flexible analog input range: 2.0Vp-p to 2.8Vp-p
- 1.8V supply operation
- Low power of 197mW per channel at 12MSPS (two lanes)
- DNL = ±0.6LSB (VREF = 1.4V)
- INL = ±4.5LSB (VREF = 1.4V)
- 650MHz analog input bandwidth, full power
- Serial port control
- Full chip and individual channel power-down modes
- Built-in and custom digital test pattern generation
- Multichip sync and clock divider
- Standby mode
- Product Highlights:
- Small footprint:
- Four ADCs are contained in a small, 8mm × 8mm package
- On-chip Phase-Locked Loop (PLL):
- Allows users to provide a single ADC sampling clock
- PLL multiplies the ADC sampling clock to produce the corresponding JESD204B data rate clock
- Configurable JESD204B output block supports up to 6.4Gbps per lane
- JESD204B output block supports one, two, and four-lane configurations
- Low power of 198mW per channel at 125MSPS, two lanes
- SPI control offers a wide range of flexible features to meet specific system requirements
- Small footprint:
应用
- Medical imaging
- High-speed imaging
- Quadrature radio receivers
- Diversity radio receivers
- Portable test equipment
Functional Block Diagram
Additional Resource
发布日期: 2014-07-29
| 更新日期: 2022-03-11