AD9049BR - 9-Bit 30 MSPS ADC | Analog Devices
料号： AD9049BR ✓ 量产中AD9049BR 概述
An ADC is a data-acquisition and signal-conversion integrated circuit that converts a continuous or sampled analog voltage into a digital code. Within the semiconductor hierarchy, the AD9049 is a sampling ADC, a data-converter IC, and a member of the broader ADC/DAC product category. Its 9-bit resolution provides 512 possible digital output codes and is appropriate for waveform capture, communications, instrumentation, and embedded control applications where a compact converter and direct digital output are more important than very high resolution.
The AD9049BR combines the sampling mechanism, track-and-hold function, and internal reference in one monolithic device. According to the official Analog Devices product page, only +5 V power and an encode clock are required to achieve 30 MSPS operation. The encode clock provides sampling timing, while the CMOS output bus presents the converted digital result to a capture or processing system. The specified 5 V and 3.3 V clock compatibility expands its usefulness in mixed-voltage digital designs.
This converter is appropriate for industrial digital instrumentation, communication receivers, control and monitoring systems, embedded signal capture, and test equipment. Its onboard track-and-hold and reference reduce the number of external analog functions required for basic sampling systems. Designers should still budget appropriate acquisition bandwidth, input drive, clock quality, bypass capacitance, output timing margin, and PCB signal-integrity control.
For AD9049BR designs, the most important trade-off is the relationship between its 9-bit resolution and 30 MSPS throughput. The converter provides fast sampling and direct digital outputs, but it does not offer the fine quantization of a higher-resolution ADC. Application-specific input range, voltage, timing, and pin details were not present in the supplied verification data and must be confirmed in the manufacturer datasheet before layout or firmware is finalized.
This page consolidates current manufacturer and distributor findings, verified pricing references, same-package candidate availability, and practical design guidance. It distinguishes confirmed AD9049BR facts from parameters that require datasheet verification, helping engineers identify gaps before committing a board layout or production BOM.
直接替换替代料： AD9049BR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
该产品暂无直接替换替代料。
请求替代料AD9049BR 最大额定值与电气特性
| 分辨率 | 9 bits |
| 采样率 | 30 MSPS |
| Architecture | Monolithic sampling ADC |
| Analog Input Count | 1 input |
| Track-and-Hold | Onboard |
| Internal Reference | Onboard |
| Analog Supply Requirement | +5 V |
| Encode Clock Compatibility | TTL compatible; 5 V and 3.3 V operation |
| Digital Output Type | CMOS |
| Output Code Count | 512 codes |
| 封装 | 28-pin SOIC |
| Package Width | 7.50 mm |
| Temperature Grade | Industrial |
| 安装类型 | Surface mount |
| Terminal Count | 28 terminals |
| RoHS 状态 | Non-compliant |
AD9049BR 7.50 mm 引脚配置指南
AD9049BR（7.50 mm 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： AD9049BR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
AD9049BR 适用于 6 应用s: Industrial Waveform Capture, Communication Receiver, Embedded Control Monitoring, Test and Measurement Equipment, Power and Equipment Feedback, Digital Signal Processing Front End.
Industrial Waveform Capture
The AD9049BR is appropriate for moderate-resolution industrial waveform acquisition because its verified 9-bit conversion capability operates at up to 30 MSPS while including an onboard track-and-hold and reference. It can feed a digital capture or processing system through CMOS outputs without requiring a separate sampling-and-hold function. The +5 V supply requirement and TTL-compatible encode clock simplify integration into instrumentation with established digital timing. Because the input range and acquisition bandwidth are not specified in the supplied data, the signal front end must be selected only after checking the manufacturer datasheet.
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Communication Receiver
The AD9049BR can serve as a sampling stage in communication receivers that need rapid conversion but can tolerate 9-bit resolution. Its 30 MSPS maximum sampling rate provides useful timing margin for digital demodulation or downstream filtering, while the onboard track-and-hold and reference reduce the required analog support network. The TTL-compatible encode clock may be driven from a communications timing system, and CMOS outputs simplify connection to capture logic. Receiver designers should verify input bandwidth, aliasing behavior, clock jitter, and output timing in the manufacturer documentation.
推荐
Embedded Control Monitoring
The AD9049BR is useful in embedded monitoring systems where fast sampling provides a more representative view of rapidly changing analog conditions than a slow sensor ADC. Its 9-bit resolution can serve control, thresholding, or machine-learning pipelines, and the CMOS output bus allows direct capture by an embedded processor or programmable logic. The single-input arrangement keeps channel multiplexing external, so applications requiring multiple simultaneous channels must add an analog multiplexer and account for its settling time and bandwidth.
推荐
Test and Measurement Equipment
The AD9049BR fits compact test and measurement instruments that need to sample an analog waveform at up to 30 MSPS. The onboard track-and-hold and reference reduce the external component count for a basic acquisition path, while TTL-compatible clocking supports integration with laboratory timing circuits. Its 9-bit resolution is appropriate for trigger, envelope, feedback, and supervisory measurements but may be inadequate for precision amplitude analysis. Designers should compare acquisition bandwidth, noise, nonlinearity, and output timing before setting test accuracy limits.
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Power and Equipment Feedback
The AD9049BR can monitor fast equipment feedback loops when the system only requires a compact 9-bit measurement path. A 30 MSPS conversion rate can sample transient feedback signals, while the integrated track-and-hold and reference support a compact implementation. The CMOS outputs can feed a controller or comparator logic for protection and diagnostics. Because the verified information does not state the input range, common-mode voltage, or acquisition bandwidth, the front-end amplifier and protection network must be designed against the manufacturer datasheet rather than inferred values.
推荐
Digital Signal Processing Front End
The AD9049BR provides a compact digital front end for signal-processing systems requiring rapid conversion into CMOS logic. At 30 MSPS, it can feed filtering, demodulation, feature extraction, or feedback algorithms implemented in a DSP or FPGA. The onboard track-and-hold and reference simplify the analog-to-digital boundary, although the external source impedance and acquisition network remain critical for faithful sampling. The 9-bit output should be paired with gain, antialiasing, and clock-cleaning stages appropriate to the signal bandwidth and required dynamic range.
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推荐产品汇总
工程参考数据： AD9049BR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 |
|---|---|
| Package | 28-pin SOIC |
| Brand | Analog Devices |
| Resolution | 9 bits |
| Sampling Rate | 30 MSPS |
| Architecture | Monolithic sampling ADC |
| Analog Input Count | 1 input |
| Track-and-Hold | Onboard |
| Internal Reference | Onboard |
| Analog Supply Requirement | +5 V |
| Clock Compatibility | TTL compatible; 5 V and 3.3 V operation |
| Digital Output Type | CMOS |
| Temperature Grade | Industrial |
关键差异点
- High sampling throughput with integrated acquisition functions （对比 AD9049BRS)
- Direct CMOS output interface （对比 AD9049BRZ)
- Compact 28-pin SOIC implementation （对比 ADG527AKRZ)
设计说明
Treat the AD9049BR encode clock as a timing-critical signal. Route it away from analog and digital output paths, provide a continuous reference plane, and minimize stub branches. Although the verified data confirms TTL compatibility and 5 V or 3.3 V clock operation, it does not specify the required clock amplitude, duty cycle, jitter tolerance, or setup and hold times; use those values from the manufacturer datasheet before finalizing timing margins.
Place the analog input path close to the converter and keep it separated from clock and CMOS output routing. The supplied data does not provide the recommended input network or bypass capacitance, so no capacitor values should be guessed. Confirm the reference implementation in the Analog Devices datasheet, use short return paths, and provide local supply decoupling according to the manufacturer's guidance.
Do not select the AD9049BR solely by its 30 MSPS headline rate. The 9-bit resolution limits quantization performance, and the verified data does not establish SNR, ENOB, nonlinearity, input bandwidth, or operating temperature limits. Confirm that the source impedance, antialiasing filter, clock quality, output timing, and thermal conditions satisfy the system before starting a PCB layout or committing production quantities.
合规信息
The verified Cytech Systems listing explicitly states RoHS non-compliant. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals information was supplied.