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HomeProductsIntegrated Circuits (ICs)Specialized ICsAD7656A-1BSTZ-RL
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AD7656A-1BSTZ-RL - Analog Devices

Manufacturer Part Number
AD7656A-1BSTZ-RL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
41D-AD7656A-1BSTZ-RL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
16,470 pcs available, New & Original
Parts Description
-
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 16470
  • Unit Price: $13.68
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $13.68 $13.68
30+ $13.11 $393.30
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AD7656A-1BSTZ-RL Tech Specifications
Analog Devices - AD7656A-1BSTZ-RL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices - AD7656A-1BSTZ-RL

Product Attribute Attribute Value
Part Number AD7656A-1BSTZ-RL
Package -
Description -
Stock Condition Get 16470 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Parts Introduction

Manufacturer Part Number

AD7656A-1BSTZ-RL

Manufacturer

analog-devices

Introduction

The AD7656A-1BSTZ-RL is a high-performance, 6-channel, 16-bit, simultaneous sampling analog-to-digital converter (ADC) featuring an industry-leading sampling rate of 250 kSPS per channel. This iCMOS® device is ideal for a wide range of applications, including industrial process control, medical instrumentation, and automated test equipment.

Product Features and Performance

6 simultaneous sampling channels with 16-bit resolution

250 kSPS sampling rate per channel

Single-ended inputs

Configurable data interface: SPI, parallel, or DSP

1:1 sample-and-hold to ADC architecture

External or internal reference support

5V analog and digital supplies

True bipolar operation

Product Advantages

Simultaneous sampling across all channels for accurate phase measurements

High sampling rate for fast data acquisition

Configurable data interface for easy system integration

Flexible reference options for optimized performance

Key Reasons to Choose This Product

Industry-leading performance in a compact 64-LQFP package

Ideal for high-speed, multi-channel data acquisition applications

Proven reliability and long-term product availability from Analog Devices

Comprehensive technical support and resources available

Quality and Safety Features

Qualified to industrial temperature range (-40°C to 85°C)

Surface mount package for robust mechanical integrity

Extensive testing and quality control measures

Compatibility

The AD7656A-1BSTZ-RL is compatible with a wide range of industrial, medical, and automated test equipment applications.

Application Areas

Industrial process control and monitoring

Medical instrumentation and diagnostics

Automated test and measurement systems

Power management and energy monitoring

Product Lifecycle

The AD7656A-1BSTZ-RL is an active, in-production product from Analog Devices. There are no direct equivalent or alternative models available from Analog Devices at this time. For the latest product information or to inquire about availability, please contact our website's sales team.

Frequently Asked Questions(FAQ)

How does the AD7656A-1BSTZ-RL compare to other 16-bit SAR ADCs in terms of simultaneous sampling capability and input configuration?
The AD7656A-1BSTZ-RL features six independent 16-bit successive approximation register (SAR) analog-to-digital converters that support true simultaneous sampling across all inputs, which is critical for applications requiring precise time alignment between multiple sensor signals. Unlike multiplexed ADC architectures where samples are taken sequentially, this device captures all six channels at exactly the same instant, minimizing channel-to-channel skew. With single-ended input configuration and a maximum sampling rate of 250 kSPS per converter, it enables high-fidelity data acquisition in multi-axis measurement systems such as vibration analysis or industrial process monitoring.
What are the key trade-offs when selecting the AD7656A-1BSTZ-RL for a high-speed data acquisition system operating at full throughput?
At maximum throughput of 250 kSPS per channel, the AD7656A-1BSTZ-RL requires careful attention to timing constraints due to its internal sample-and-hold architecture with a 1:1 S/H-to-ADC ratio. While the simultaneous sampling ensures temporal alignment, achieving consistent conversion times across all six channels demands precise control over the SPI or parallel interface timing. Additionally, the use of external reference voltage directly impacts gain error and integral nonlinearity; deviations beyond ±0.5 LSB can significantly degrade effective resolution in precision applications like strain gauge readout or thermocouple conditioning.
Can the AD7656A-1BSTZ-RL operate reliably in harsh industrial environments, and what design considerations are necessary to meet those requirements?
The device operates over an extended temperature range from -40°C to +85°C, making it suitable for most industrial control systems. However, thermal gradients during power-up or transient loads may induce offset drift if not properly managed through layout techniques such as star grounding and localized decoupling near the VDD pins. Furthermore, since it uses a 5V analog supply rail, noise coupling from digital switching activity must be minimized via careful partitioning of analog and digital ground planes—especially when interfacing with parallel or DSP modes that toggle multiple data lines simultaneously.
How should engineers evaluate the impact of reference stability on the overall accuracy of the AD7656A-1BSTZ-RL in a 16-bit measurement system?
In a 16-bit system like the AD7656A-1BSTZ-RL, even small changes in the reference voltage translate into significant changes in least significant bit (LSB) value. For example, a 10 mV variation in a 4.096 V reference results in approximately 1.6 LSB error, reducing the effective number of bits (ENOB) below nominal. Therefore, designers should select low-drift, low-noise references such as the LTZ1000 series or ADR43x family, and ensure PCB routing isolates reference traces from switching regulators or clock circuits. Internal reference operation reduces pin count but offers lower long-term stability compared to external precision references.
What interface options are available with the AD7656A-1BSTZ-RL, and how do they affect system-level complexity?
The AD7656A-1BSTZ-RL supports three data interfaces—SPI, parallel, and DSP—each suited to different host processor capabilities. SPI mode minimizes pin usage and is ideal for microcontrollers without dedicated parallel ports, though it introduces variable latency depending on clock speed. Parallel mode provides deterministic access times and is preferred in FPGA-based systems needing synchronous read operations. DSP interface facilitates direct connection to processors like Blackfin or C6000 series, enabling burst transfers but requiring additional signal buffering due to tight setup/hold requirements. Choice among these affects both firmware complexity and real-time performance.
How does channel-to-channel isolation perform in the AD7656A-1BSTZ-RL, and why is this important for mixed-signal designs?
Although the AD7656A-1BSTZ-RL achieves excellent channel-to-channel isolation through its true simultaneous sampling architecture—typically exceeding 100 dB in laboratory conditions—it remains sensitive to shared impedance paths in the printed circuit board. Poor return path design between adjacent analog input pins can couple crosstalk, especially when measuring low-level differential signals near the 16-bit limit. Maintaining guard rings around each input and using separate analog supplies with ferrite beads helps preserve isolation integrity, which is essential in motor drive feedback loops or battery monitoring arrays where common-mode voltages fluctuate rapidly.
What power consumption characteristics should be considered when integrating the AD7656A-1BSTZ-RL into a portable or battery-powered instrument?
Operating at 5V supplies and consuming up to 22 mW in active mode (based on typical current draw of 4.4 mA), the AD7656A-1BSTZ-RL has moderate power requirements but benefits greatly from duty-cycling strategies. During idle periods, placing the device in shutdown mode reduces quiescent current to under 1 µA, extending battery life in handheld multimeters or wireless sensor nodes. However, wake-up latency must be accounted for if rapid re-conversion is required, as internal circuitry takes several microseconds to stabilize after power restoration before valid conversions begin.
Are there any known substitution risks or compatibility issues when replacing the AD7656A-1BSTZ-RL with alternative models like the AD7656BSTZ-1-RL?
While the AD7656BSTZ-1-RL is listed as a substitute, differences in revision letter (‘A’ vs ‘B’) often indicate subtle improvements in linearity or noise performance that may not be explicitly documented. Designers should verify that the replacement part maintains identical electrical characteristics within application-specific tolerances, particularly regarding offset error, gain matching, and serial interface timing margins. Substitution should always involve empirical validation under actual operating conditions rather than relying solely on part number equivalence, as minor process revisions can affect long-term reliability in high-volume production.

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Payment Support

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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
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Analog Devices

AD7656A-1BSTZ-RL

Analog Devices
41D-AD7656A-1BSTZ-RL

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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