AD9240ASZ - 14-Bit 10 MSPS ADC | Analog Devices
料号： AD9240ASZ ⚠ 最后一次采购| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $43.42 | $43.42 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
AD9240ASZ 概述
An ADC is an analog-to-digital converter, a semiconductor that samples a continuous voltage and produces a digital code for processing, storage, or transmission. The AD9240 belongs to the data-converter hierarchy: ADC, data converter, analog-to-digital conversion, and semiconductor. Its differential input structure allows single-ended or differential interfaces with different input spans, making it useful where signal integrity and common-mode rejection matter.
The AD9240 includes an on-chip, low-noise sample-and-hold amplifier and a programmable voltage reference. An external reference can also be selected when an application requires different dc accuracy or temperature-drift behavior. The 14-bit resolution represents 16,384 code levels, while the 10 MSPS sampling rate supports bandwidth-limited signal acquisition rather than high-frequency waveform capture. Its parallel data interface simplifies connection to suitable digital logic, although timing and bus layout still require careful review.
The converter is designed for imaging, communications, medical, and data-acquisition systems. The Analog Devices datasheet specifically notes that its input is highly flexible and that the true differential input structure supports single-ended and differential interfaces of varying input spans. The sample-and-hold amplifier is also suitable for multiplexed systems that switch full-scale voltage levels in successive channels.
For a new design, verify the complete electrical limits, reference requirements, clocking method, digital output timing, package pinout, and supply requirements directly from the manufacturer datasheet. The verified product page reports the AD9240 family as LAST TIME BUY, so new production designs should confirm availability before committing to this device.
直接替换替代料： AD9240ASZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： AD9240ASZ （相同外形与封装尺寸） ——差异在于 Architecture, Package, Resolution, Input Type, Sample-and-Hold Amplifier.
快速对比工具——选择替代料号进行并排对比：
AD9240ASZRL
✅ 直接替换✓ 有现货
$43.42 / 个
查看数据手册 →AD9240AS
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →[DATA_NEEDED: confirmed AD9240-family drop-in MPN]
✅ 直接替换📋 参考替代料（不在目录中）
AD9240ASZ 最大额定值与电气特性
| 分辨率 | 14 bit |
| 采样率 | 10 MSPS |
| Architecture | Pipelined, 1 input |
| Input Type | Differential and single-ended |
| Data Interface | Parallel |
| On-Chip Sample-and-Hold Amplifier | Yes |
| Internal Voltage Reference | Programmable |
| External Reference Support | Yes |
| Supply | Single supply |
| 封装 | 44-MQFP (10 x 10 mm) |
| 安装类型 | Surface mount |
AD9240ASZ 44-mqfp (10 x 10 mm) 引脚配置指南
AD9240ASZ（44-mqfp (10 x 10 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： AD9240ASZ.
请参阅 数据手册 以查看完整引脚配置。
典型应用
AD9240ASZ 适用于 6 应用s: Medical Signal Acquisition, Communications Receiver, Imaging System, Data-Acquisition Instrument, Portable Measurement System, Industrial Control and Monitoring.
Medical Signal Acquisition
The AD9240ASZ fits medical signal-acquisition front ends that need 14-bit conversion at 10 MSPS while retaining flexibility between single-ended and differential input arrangements. Its monolithic sample-and-hold amplifier and selectable internal or external voltage reference help simplify analog conditioning. A practical design places the transducer or amplifier output through a carefully defined input network, then uses the parallel ADC output for sampling, filtering, or transfer to a controller. Because the verified source does not specify medical certification or isolation, those requirements must be handled by the complete system and are not implied by the converter.
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Communications Receiver
The AD9240ASZ is suitable for communications receiver blocks where a 10 MSPS conversion rate and 14-bit digital output provide a practical balance between resolution and sampling throughput. Differential input can help reject common-mode noise when the source is balanced, while the flexible analog interface supports varying input spans. The parallel bus must be length-controlled and properly clocked, and the analog front end should provide the bandwidth, gain, and filtering required by the communication standard. The supplied data does not identify a specific RF, baseband, or modulation standard, so system-level compliance must be verified independently.
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Imaging System
The AD9240ASZ can serve as the sampling element in imaging and optical or industrial vision systems whose sensor output falls within its 10 MSPS capability. The 14-bit output word supports digital image processing, while differential or single-ended input lets the designer match the sensor interface topology. Input filtering, settling time, clock jitter, and sampling synchronization are critical because they affect image fidelity. The verified material names imaging as an application but does not provide sensor-specific timing or noise figures, so the actual camera sensor and downstream processor must be selected separately.
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Data-Acquisition Instrument
The AD9240ASZ is appropriate for laboratory and industrial data-acquisition equipment that samples moderate-bandwidth analog signals and requires a 14-bit parallel code stream. The monolithic converter reduces the number of separate front-end components when the required input span and bandwidth are compatible. A robust instrument design should provide stable reference bypassing, controlled clocking, grounding that separates analog and digital return currents, and a capture device capable of accepting the converter’s parallel timing. The verified data does not state input noise, settling accuracy, or power consumption, so those values must be checked before setting the measurement bandwidth.
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Portable Measurement System
The AD9240ASZ can be used in portable measurement systems where 10 MSPS sampling is sufficient and low component count is valuable. The parallel output is straightforward to capture with suitable logic, while the single-supply architecture described by the manufacturer supports compact power planning. Designers should still account for converter power dissipation, thermal rise, analog input drive, and battery-rail noise; none of those numerical limits is available in the supplied verified snippets. A portable instrument should therefore use the datasheet’s recommended decoupling and layout before fixing the power budget or enclosure size.
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Industrial Control and Monitoring
The AD9240ASZ is suitable for industrial monitoring functions that need deterministic parallel digital output and flexible analog input configuration. A 14-bit code stream can represent many control or condition-monitoring channels, while 10 MSPS allows repeated sampling at rates above ordinary slow sensor systems. The input stage must still handle channel multiplexing, settling, isolation, grounding, and electromagnetic interference according to the industrial environment. Since the verified source does not provide industrial certification, temperature range, or isolation ratings, those properties must not be assumed for the AD9240ASZ itself.
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推荐产品汇总
工程参考数据： AD9240ASZ ——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 | AD9240ASZRL | AD9240AS |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
关键差异点
- 14-bit resolution at 10 MSPS （对比 AD9240ASZRL)
- Flexible analog input configuration （对比 AD9240AS)
- Programmable internal or external reference （对比 AD9240AS)
设计说明
Route the parallel output bus with controlled length and a continuous return path, and keep the converter’s analog and digital supply-return connections separated until the device pins. The verified package is 44-MQFP (10 x 10 mm), so use the manufacturer’s land pattern and pin numbering rather than a generic 44-pin footprint. Confirm the complete pinout from the official AD9240 datasheet before routing power, reference, clock, analog input, and output signals.
The AD9240 datasheet notes that its noise bandwidth or small-signal bandwidth is the same as full-power bandwidth and that excessive bandwidth can increase wideband input noise. For noise-sensitive channels, evaluate a series input resistor and/or shunt capacitor as a low-pass filter. These are application design options rather than a universal fixed network; calculate the values from the source impedance, target bandwidth, capacitance, and required settling behavior.
The AD9240ASZ is described as a single-supply converter, but the supplied snippets do not include the recommended supply voltage, supply current, or power dissipation. Before layout and thermal design, obtain those values from the manufacturer datasheet and allow the actual analog and digital supply rails to meet its limits. Place bypass capacitors close to the relevant supply pins and validate the reference network for noise and startup behavior.
合规信息
The supplied verified snippets identify the part as a 14-bit, 10 MSPS ADC and provide manufacturer product and datasheet URLs, but do not provide RoHS, REACH, halogen-free, conflict-minerals, or AEC-Q100 declarations. Automotive qualification is not implied by this data.
