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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Analog to Digital Converters (ADC)AD9221ARSZ-REEL
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AD9221ARSZ-REEL - Analog Devices Inc.

Manufacturer Part Number
AD9221ARSZ-REEL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD9221ARSZ-REEL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,566 pcs available, New & Original
Parts Description
IC ADC 12BIT PIPELINED 28SSOP
Package
28-SSOP
Data sheet
AD9221ARSZ-REEL.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 10566
  • Unit Price: $11.86
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $11.86 $11.86
10+ $11.38 $113.80
30+ $9.50 $285.00
100+ $8.79 $879.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AD9221ARSZ-REEL Tech Specifications
Analog Devices Inc. - AD9221ARSZ-REEL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD9221ARSZ-REEL

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply, Digital 2.7V ~ 5.25V
Voltage - Supply, Analog 5V
Supplier Device Package 28-SSOP
Series -
Sampling Rate (Per Second) 1.5M
Reference Type Internal
Ratio - S/H:ADC 1:1
Package / Case 28-SSOP (0.209', 5.30mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Product Attribute Attribute Value
Number of Inputs 1
Number of Bits 12
Number of A/D Converters 1
Mounting Type Surface Mount
Input Type Differential, Single Ended
Features -
Data Interface Parallel
Configuration S/H-ADC
Base Product Number AD9221
Architecture Pipelined

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

AD9221ARSZ-REEL Image
AD9221ARSZ-REEL (1)

Manufacturer Part Number

AD9221ARSZ-REEL

Manufacturer

Analog Devices

Introduction

The AD9221ARSZ-REEL is a high-performance, 12-bit analog to digital converter (ADC) that efficiently converts analog signals to digital data at a rate of 1.5 million samples per second.

Product Features and Performance

12-bit resolution

Sampling Rate of 1.5M samples per second

Single differential or single-ended input

Internal reference voltage

Pipeline architecture

Parallel data interface

Operates across a wide voltage range: Analog 5V and Digital 2.7V to 5.25V

Supports temperature range from -40°C to 85°C

Product Advantages

High-speed operation enabling efficient data acquisition

Flexible input configuration supports a range of signal types

Compact 28-SSOP package facilitating easy integration into system designs

AD9221ARSZ-REEL Image
AD9221ARSZ-REEL (2)

Key Technical Parameters

Number of Bits: 12

Sampling Rate (Per Second): 1.5M

Input Type: Differential, Single Ended

Voltage - Supply, Analog: 5V

Voltage - Supply, Digital: 2.7V ~ 5.25V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust temperature range operation from -40°C to 85°C ensuring reliable performance in extreme conditions

Compatibility

The device’s standard SSOP packaging and parallel interface make it compatible with most existing data acquisition systems and ADC architectures.

Application Areas

Industrial control systems

Medical instrumentation

Communication systems

Data acquisition systems

Product Lifecycle

Currently, the product status is active with no indications of discontinuation. Analog Devices typically provides support with replacements or upgrades if required.

Several Key Reasons to Choose This Product

High resolution of 12 bits for precise data conversion

Fast sampling rate of 1.5M allows real-time monitoring and control

Versatile input and power configuration ensure adaptability to various applications

Stable performance in extreme environmental conditions

Compact form factor aids in easy embedding into different system architectures

Frequently Asked Questions(FAQ)

How does the AD9221ARSZ-REEL perform in terms of power consumption when operating at its maximum sampling rate of 1.5 MSPS, and what design considerations should be made for thermal management in high-throughput applications?
At 1.5 MSPS, the AD9221ARSZ-REEL draws approximately 20 mW from the analog supply and up to 15 mW from the digital side under typical load conditions, resulting in a total power dissipation around 35–40 mW. This level of consumption is manageable in standard PCB layouts but requires careful attention to trace routing and grounding to minimize noise coupling. Given the device’s surface-mount package and MSL 1 rating, thermal vias are generally not necessary unless operating near the upper temperature limit of 85°C in sealed enclosures. However, designers should ensure adequate copper pour on adjacent layers and avoid placing sensitive analog traces too close to high-current digital paths to maintain signal integrity.
What are the key differences between using the AD9221ARSZ-REEL in single-ended versus differential input configurations, and how do these choices impact noise immunity and dynamic range in real-world sensor interface designs?
The AD9221ARSZ-REEL supports both single-ended and differential inputs, with differential mode offering significantly better rejection of common-mode noise—critical in industrial environments with electromagnetic interference. In differential configuration, the effective resolution improves by approximately 1 bit due to reduced noise floor, especially when paired with a balanced source impedance. Single-ended operation simplifies layout but increases susceptibility to ground bounce and crosstalk. For applications involving long cables or noisy power supplies, differential inputs are strongly recommended. The ADC’s internal reference remains stable across both modes, but input overdrive protection must be considered differently depending on signal polarity and swing relative to AVCC.
Can the AD9221ARSZ-REEL operate reliably over the full industrial temperature range (-40°C to 85°C) when used with external clock sources, and what jitter specifications should engineers expect from non-ideal oscillators?
Yes, the AD9221ARSZ-REEL is qualified for operation from -40°C to 85°C and maintains specified performance within this range provided that the clock input meets timing requirements. Clock jitter directly impacts SNR; for example, a 1 ps RMS jitter at 1.5 MSPS results in roughly 0.1 dB SNR degradation compared to ideal clocking. Engineers using crystal oscillators or PLL-based clocks should verify phase noise profiles below 10 kHz offset, as higher jitter frequencies have diminishing impact. Additionally, the ADC’s internal sample-and-hold circuitry compensates partially for timing errors, but consistent clock edges are essential for maintaining ENOB above 10.5 bits in production systems.
How does the parallel output interface of the AD9221ARSZ-REEL compare to serial variants like I2C or SPI in terms of throughput, latency, and FPGA integration complexity?
The AD9221ARSZ-REEL uses a parallel output architecture delivering 12-bit data via multiple GPIO pins synchronized to a clock edge, enabling burst transfers up to 1.5 MSPS without protocol overhead. Compared to serial interfaces, this reduces per-sample latency to less than 1 µs and eliminates framing or handshaking delays inherent in I2C/SPI. However, parallel buses require more PCB space and careful timing alignment to avoid setup/hold violations—critical when interfacing with FPGAs. Serial alternatives trade bandwidth for pin count and simplify routing but cannot sustain full ADC throughput unless multiplexed across channels. For single-channel, medium-speed acquisition, the AD9221’s parallel output minimizes processing latency and simplifies synchronization with downstream logic.
What reference voltage options exist for the AD9221ARSZ-REEL, and how does internal referencing affect gain error calibration in precision measurement systems?
The AD9221ARSZ-REEL features an internal bandgap reference that nominally provides 1.2 V with ±2% initial accuracy over temperature. While convenient for space-constrained designs, this reference lacks the long-term stability required for high-precision metrology. Gain errors can drift by up to 3 LSB over 10,000 hours due to reference aging, necessitating periodic recalibration in closed-loop systems. For applications demanding <1 LSB gain error, an external precision reference (e.g., 1.25 V with 10 ppm/°C drift) should replace the internal one. Even then, full-scale trimming may still be needed to compensate for ADC nonlinearity, particularly at temperatures beyond 60°C where internal transistor characteristics shift.
Is it possible to cascade multiple AD9221ARSZ-REEL devices to increase sampling bandwidth, and what challenges arise in synchronizing their internal pipelined stages?
Cascading multiple AD9221ARSZ-REEL units is technically feasible but introduces significant timing complexity due to the ADC’s pipeline delay of approximately 8 clock cycles. To achieve coherent sampling, all devices must share a common clock and reset signal, and data from each stage must be delayed accordingly before combining. Mismatches in propagation delays between chips degrade interleaving linearity, increasing spur levels by several dB. Moreover, the lack of inter-chip synchronization features means external FIFO or DSP logic is required to align samples—adding cost and latency. For most applications, alternative architectures such as channel multiplexing or higher-speed single converters are more practical than cascading this part.
How does the AD9221ARSZ-REEL handle overload conditions on its analog input, and what happens if the input exceeds the specified 0 V to +2 V range?
The AD9221ARSZ-REEL includes input clamping diodes rated for ±0.3 V beyond AVCC, but sustained overdrive currents above 1 mA risk degrading performance or damaging the die. If the input exceeds the 0 V to +2 V range (assuming AVCC = 5 V), the internal ESD structures activate, potentially causing latch-up or increased offset drift. In practice, transient overshoots up to 3 V may be tolerated briefly, but continuous operation outside spec compromises SNR by 10–15 dB and accelerates aging. Designers should implement series resistors (10–100 Ω) and low-pass filters at the input to limit slew rates and protect the converter, even when using buffered or clamped signal sources.
What role does the S/H-to-ADC ratio play in the AD9221ARSZ-REEL’s architecture, and how does the 1:1 configuration influence aperture uncertainty in time-critical applications?
The 1:1 S/H-to-ADC ratio indicates that the sample-and-hold circuit operates at the same speed as the core ADC, minimizing dead time between acquisition and conversion—a critical advantage for tracking fast transients. Aperture uncertainty for the AD9221ARSZ-REEL is typically 10 ps, which translates to less than 0.5 LSB error at 1.5 MSPS with a 2 Vpp input. This tight timing ensures accurate capture of signals with rise/fall times under 50 ns. In comparison to slower S/H circuits, this configuration reduces distortion in undersampled scenarios and simplifies anti-aliasing filter design, though it demands highly stable clock distribution to preserve phase coherence across the pipeline stages.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD9221ARSZ-REEL

Product Attribute AD9221ARZ-REEL AD9221ARS-REEL AD9221AR-REEL AD9221ARSZ
Part Number AD9221ARZ-REEL AD9221ARS-REEL AD9221AR-REEL AD9221ARSZ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Features - - - Simultaneous Sampling
Base Product Number - DAC34H84 MAX500 ADS62P42
Sampling Rate (Per Second) - - - 65M
Architecture - Current Source R-2R Pipelined
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Number of Bits - 16 8 14
Configuration - - - S/H-ADC
Voltage - Supply, Analog - 3.14V ~ 3.46V 11.4V ~ 16.5V 3V ~ 3.6V
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Data Interface - LVDS - Parallel I²C LVDS - Parallel, Parallel
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Ratio - S/H:ADC - - - 1:1
Number of Inputs - - - 2
Input Type - - - Differential
Reference Type - External, Internal External External, Internal
Voltage - Supply, Digital - 1.14V ~ 1.26V 11.4V ~ 16.5V 1.65V ~ 3.6V
Number of A/D Converters - - - 2

AD9221ARSZ-REEL Datasheet PDF

Download AD9221ARSZ-REEL pdf datasheets and Analog Devices Inc. documentation for AD9221ARSZ-REEL - Analog Devices Inc..

Datasheets
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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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Brazil 7
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New Zealand 5
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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:
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AD9221ARSZ-REEL Image

AD9221ARSZ-REEL

Analog Devices Inc.
32D-AD9221ARSZ-REEL

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

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