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[原创] ADI AD9213 12位10.25 GSPS RF ADC解决方案

关键词:RF ADC 无线通信 航空航天 相控阵雷达 仪器仪表和测量

时间:2019-09-09 15:04:43       来源:中电网

ADI公司的AD9213是单路12位6 GSPS/10.25 GSPS RF ADC,输入带宽6.5GHz,支持需要宽瞬态带宽和低转换误差速率(CER)的高动态烦恼频率和时域应用.AD9213具有16路JESD204B接口,支持最大带宽功能.它具有动态范围和线性度性能时所消耗的功率小于4.6W.器件具有交错流水线架构,具有专有校准和随机技术,可压制交错伪信号影进入本底噪声.AD9213的噪声频谱密度为154dBFS/Hz,SFDR为68dBc (1GHz,−1dBFS),功耗低至5.1W(10Gsps 时),集成了输入缓冲器(6.5GHz 输入带宽),16 通道 JESD204B 输出(最高16 Gbps的线路速率),具有多芯片同步功能, 1 采样精度,提供DDC NCO 同步功能,支持高效 AGC 的快速超量程检测,集成 DDC,可选抽取系数,支持快速跳频,可选片内 PLL 时钟倍频器,集成了片内温度传感器和片内负电压发生器,其低CER <1e−16,采用12 mm × 12 mm BGA封装,主要用在,航空航天和防务,导弹和精确打击武器,航空航天,无人系统,电子监控和对抗,军事通信,雷达,相控阵以及仪器仪表和测量,通信测试设备,示波器和数字转换器数据采集,电子测试和测量,化学分析和分析仪器,自动测试设备和高速转换器.本文介绍了AD9213主要特性,功能框图和DDC详细框图,以及评估板ADS8-V1EBZ主要特性,电路图和材料清单.

The AD9213 is a single, 12-bit, 6 GSPS/10.25 GSPS, radio frequency (RF) analog-to-digital converter (ADC) with a 6.5 GHz input bandwidth. The AD9213 supports high dynamic range frequency and time domain applications requiring wide instantaneous bandwidth and low conversion error rates (CER). The AD9213 features a 16-lane JESD204B interface to support maximum bandwidth capability. The AD9213 achieves dynamic range and linearity performance while consuming <4.6 W typical. The device is based on an interleaved pipeline architecture and features a proprietary calibration and randomization technique that suppresses interleaving spurious artifacts into its noise floor.

The linearity performance of the AD9213 is preserved by a combination of on-chip dithering and calibration, which results in excellent spurious-free performance over a wide range of input signal conditions. Applications that require less instantaneous bandwidth can benefit from the on-chip, digital signal processing (DSP) capability of the AD9213 that reduces the output data rate along with the number of JESD204B lanes required to support the device. The DSP path includes a digital downconverter (DDC) with a 48-bit, numerically controlled oscillator (NCO), followed by an I/Q digital decimator stage that allows selectable decimation rates that are factors of two or three. For fast frequency hopping applications, the AD9213 NCO supports up to 16 profile settings with a separate trigger input, allowing wide surveillance frequency coverage at a reduced JESD204B lane count. The AD9213 supports sample accurate multichip synchronization that includes synchronization of the NCOs. The AD9213 is offered in a 192-ball ball grid array (BGA) package and is specified over a junction temperature range of −20℃ to +115℃.

AD9213主要特性:

High instantaneous dynamic range NSD
−155 dBFS/Hz at 10 GSPS with −9 dBFS, 170 MHz input
−153 dBFS/Hz at 10 GSPS with −1 dBFS, 170 MHz input
SFDR: 70 dBFS at 10 GSPS with −1 dBFS, 1000 MHz input
SFDR excluding H2 and H3 (worst other spur): 89 dBFS at 10 GSPS with −1 dBFS, 1000 MHz input
Low power dissipation: <4.6 W typical at 10 GSPS
Integrated input buffer (6.5 GHz input bandwidth)
1.4 V p-p full-scale analog input with RIN = 50 Ω
Overvoltage protection
16-lane JESD204B output (up to 16 Gbps line rate)
Multichip synchronization capable with 1 sample accuracy
DDC NCO synchronization included
Integrated DDC
Selectable decimation factors
16 profile settings for fast frequency hopping
Fast overrange detection for efficient AGC
On-chip temperature sensor
On-chip negative voltage generators
Low CER: <1 × 10−16
12 mm × 12 mm, 192-ball BGA-ED package

图1. AD9213功能框图

图2. AD9213 DDC详细框图

图3. AD9213简化电源配置图

评估板ADS8-V1EBZ

The ADS8-V1 Evaluation Board was developed to support the evaluation of Analog Devices High Speed Data Converters with JESD204B bit rates up to 16Gbps. This Wiki site provides a high level overview of the platform. In addition, each use-case of the board has its own section (e.g. Using the ADS8-V1 for High Speed A/D Converter Evaluation). The ADS8-V1 is intended to be used only with specified Analog Devices Evaluation Boards. The ADS8-V1 is not intended to be used as a general purpose development platform, and no support is available for standalone operation. The ADS8-V1 may contain hardware features not fully productized or supported by our default customer evaluation configurations. Please refer to Xilinx and its approved distributors for general purpose FPGA Development Kits.

评估板ADS8-V1EBZ主要特性:

1. Xilinx KintexUltrascale XCKU040-3FFVA1156E FPGA.
2. One (1) FMC+ connector.
3. Twenty (20) 16Gbps transceivers supported by one (1) FMC+ connector.
4. DDR4 SDRAM.
5. Simple USB 3.0 port interface.

图4.评估板ADS8-V1EBZ外形图(顶视)

图5.评估板ADS8-V1EBZ外形图(底视)

图6.评估板ADS8-V1EBZ和高速ADC评估板连接图

图7.评估板ADS8-V1EBZ电路图(1)

图8.评估板ADS8-V1EBZ电路图(2)

图9.评估板ADS8-V1EBZ电路图(3)

图10.评估板ADS8-V1EBZ电路图(4)

图11.评估板ADS8-V1EBZ电路图(5)

图12.评估板ADS8-V1EBZ电路图(6)

图13.评估板ADS8-V1EBZ电路图(7)

图14.评估板ADS8-V1EBZ电路图(8)

图15.评估板ADS8-V1EBZ电路图(9)

图16.评估板ADS8-V1EBZ电路图(10)

图17.评估板ADS8-V1EBZ电路图(11)

图18.评估板ADS8-V1EBZ电路图(12)

图19.评估板ADS8-V1EBZ电路图(13)

图20.评估板ADS8-V1EBZ电路图(14)

图21.评估板ADS8-V1EBZ电路图(15)

图22.评估板ADS8-V1EBZ电路图(16)

图23.评估板ADS8-V1EBZ电路图(17)

图24.评估板ADS8-V1EBZ电路图(18)

图25.评估板ADS8-V1EBZ电路图(19)

图26.评估板ADS8-V1EBZ电路图(20)

图27.评估板ADS8-V1EBZ电路图(21)

图28.评估板ADS8-V1EBZ电路图(22)

图29.评估板ADS8-V1EBZ电路图(23)

图30.评估板ADS8-V1EBZ电路图(24)

图31.评估板ADS8-V1EBZ电路图(25)

图32.评估板ADS8-V1EBZ电路图(26)

图33.评估板ADS8-V1EBZ PCB设计图(1)

图34.评估板ADS8-V1EBZ PCB设计图(2)
评估板ADS8-V1EBZ材料清单见:
BOM_ADS8v1MainBdRevD_Wiki.xls
详情请见:
https://www.analog.com/media/en/technical-documentation/data-sheets/AD9213.pdf
https://wiki.analog.com/resources/eval/ads8-v1
AD9213.pdf
20_041151d(ADI).zip

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