AD9628BCPZRL7-105 12-bit, 125/105 MSPS, 1.8 V dual-channel analog-to-digital converter
The AD9628 is a single-chip, dual-channel, 12-bit, 125/105 MSPS analog-to-digital converter (ADC) that operates from a 1.8V supply and has built-in high-performance sample-hold circuitry and an on-chip reference source.
It features a multi-stage differential pipeline architecture with built-in output error correction logic that provides 12-bit accuracy at 125 MSPS data rates and ensures no code loss over the entire operating temperature range.
The ADC has a variety of built-in features that allow for optimal device flexibility and minimal system cost, such as programmable clock and data alignment, generation of programmable digital test codes, and more. Available digital test codes include built-in fixed and pseudo-random codes, as well as user-defined test codes entered via the Serial Port Interface (SPI).
A differential clock input is used to control all internal conversion cycles. An optional duty cycle stabilizer (DCS) is used to compensate for large clock duty cycle fluctuations while maintaining excellent overall ADC performance.
The digital output data format is offset binary, gray code, or binary complement. Each ADC channel has a data output clock (DCO) to ensure that the receive logic has the correct latching timing. Supports 1.8 V CMOS or LVDS output logic levels. The output data can also be multiplexed to an output bus.
The AD9628 is available in a 64-pin LFCSP package, is RoHS compliant, and is rated for a temperature range of −40°C to +85°C industrial temperatures. The product is protected by a U.S. patent.
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Product Focus
- AD9628采用1.8 V单模拟电源供电，数字输出驱动器采用独立的电源供电，支持1.8 V CMOS或LVDS逻辑系列。
- 取得专利的采样保持电路在最高200 MHz的输入频率下仍保持出色的性能，而且成本低、功耗低、易于使用。
- 标准串行端口接口(SPI)支持各种产品特性和功能，例如：数据输出格式化、内部时钟分频器、关断模式、DCO/数据时序和失调调整等。