AD9240ASZ - 14-Bit 10 MSPS ADC | Analog Devices
N.º de pieza: AD9240ASZ ⚠ Última compra| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $43.42 | $43,42 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
AD9240ASZ Descripción general
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.
Alternativas directas para AD9240ASZ — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con AD9240ASZ (mismo factor de forma y huella) — difiere en Architecture, Package, Resolution, Input Type, Sample-and-Hold Amplifier.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
AD9240ASZRL
✅ Sustitución directa✓ En stock
$43.42 / unidad
Ver hoja de datos →AD9240AS
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →[DATA_NEEDED: confirmed AD9240-family drop-in MPN]
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
AD9240ASZ Valores máximos y características eléctricas
| Resolución | 14 bit |
| Frecuencia de muestreo | 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 |
| Encapsulado | 44-MQFP (10 x 10 mm) |
| Tipo de montaje | Surface mount |
Guía de configuración de pines de AD9240ASZ 44-mqfp (10 x 10 mm)
Configuración de pines para AD9240ASZ (encapsulado 44-mqfp (10 x 10 mm)). Este componente analógico presenta pines de entrada, salida y alimentación. Consulte la hoja de datos del fabricante para conocer las configuraciones de los pines de ajuste de offset, compensación y habilitación. Ideal para circuitos de acondicionamiento de señal y amplificadores.
No hay datos detallados de patillaje disponibles para AD9240ASZ.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
AD9240ASZ es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para AD9240ASZ — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | AD9240ASZRL | AD9240AS |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
Diferenciadores clave
- 14-bit resolution at 10 MSPS (frente a AD9240ASZRL)
- Flexible analog input configuration (frente a AD9240AS)
- Programmable internal or external reference (frente a AD9240AS)
Notas de diseño
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.
Información de cumplimiento
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.
