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Analog Devices Inc. AD9283BRSZ-RL100
- Part No.:
- AD9283BRSZ-RL100
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
AD9283BRSZ-RL100.pdf
- Description:
- IC ADC 8BIT PIPELINED 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,418
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Product details
Overview
AD9283BRSZ-RL100 from Analog Devices is an 8-bit, 100 MSPS monolithic analog-to-digital converter with on-chip track-and-hold, internal 1.25 V reference, and single 3.0 V supply operation. It delivers 46.5 dB SNR at 41 MHz input frequency, supports 475 MHz analog bandwidth, and features TTL/CMOS-compatible digital outputs for direct interfacing with 2.5 V or 3.3 V logic - used in handheld scopemeters and low-cost digital oscilloscopes.
For engineers reviewing the AD9283BRSZ-RL100 datasheet, AD9283BRSZ-RL100 pinout, AD9283BRSZ-RL100 application, or AD9283BRSZ-RL100 equivalent, key selection considerations include its 100 MSPS sampling rate, 90 mW power dissipation at full speed, high-impedance digital outputs in power-down mode, and SSOP-20 package compatibility with industrial temperature range (–40°C to +85°C) designs.
Technical Context
The AD9283BRSZ-RL100 implements a bit-per-stage pipeline ADC architecture with switch-capacitor techniques, where five stages resolve the 5 MSBs and feed a flash converter for the 3 LSBs. Its on-chip track-and-hold operates with 5 ps rms aperture jitter and 475 MHz full-power analog bandwidth.
It uses a single-ended or differential analog input with ±512 mV p-p range referenced to 1.25 V internal reference, and features separate VDD (digital output supply) and VD (analog supply) pins enabling flexible logic-level interfacing. The ENCODE input is TTL/CMOS-compatible with 1.5 V threshold and requires clean clocking to preserve dynamic performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit - defines quantization step size of ~4 mV at 1.024 V full-scale range |
| Sampling Rate | 100 MSPS - enables Nyquist-limited signal capture up to 50 MHz without aliasing |
| SNR @ 41 MHz | 46.5 dB - corresponds to ~7.5 effective bits for medium-frequency RF or video digitization |
| Analog Bandwidth | 475 MHz - supports wideband IF sampling and fast transient capture in instrumentation |
| Power Dissipation | 90 mW at 100 MSPS - enables battery-powered portable test equipment with thermal management |
| Power-Down Mode | 4.2 mW - reduces system standby power while maintaining fast wake-up (<15 cycles) |
| Reference Voltage | 1.25 V (typ) - stable internal reference eliminates need for external precision voltage source |
| Input Range | ±512 mV p-p - matches standard 1 V p-p ac-coupled signal chains with minimal gain staging |
Pinout & Package
AD9283BRSZ-RL100 is housed in a 20-lead shrink small outline plastic package (SSOP-20, RS-20), measuring 7.50 mm × 5.38 mm × 1.78 mm, rated for –40°C to +85°C industrial operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PWRDWN (Pin 1) | Power-down control input | Logic HIGH places digital outputs in high-impedance state and reduces total power to 4.2 mW |
| VREF OUT (Pin 2) | Internal reference output | Provides 1.25 V ±130 ppm/°C reference; must be bypassed with 0.1 µF capacitor to GND |
| VREF IN (Pin 3) | Reference input | Accepts internal VREF OUT or external reference; sets full-scale analog input range linearly |
| GND (Pins 4, 9, 16) | Analog/digital ground | Three dedicated ground pins minimize noise coupling between analog and digital sections |
| VD (Pins 5, 8) | Analog power supply | Supplies analog core and track-and-hold; accepts 2.7 V–3.6 V; decoupling required per pin |
| AIN / AIN (Pins 6, 7) | Differential analog input | Supports single-ended or differential drive; common-mode bias at 0.3 × VD; 10 kΩ input resistance |
| ENCODE (Pin 10) | Sampling clock input | TTL/CMOS-compatible; rising-edge triggered; timing jitter directly impacts SNR above 10 MHz |
| D7–D0 (Pins 11–14, 17–20) | Digital output data bus | Offset binary coding; outputs driven from VDD pin (2.5 V–3.6 V); high-impedance in PWRDWN mode |
| VDD (Pin 15) | Digital output supply | Independent supply allows level-shifting to match host FPGA or ASIC I/O voltage (2.5 V or 3.3 V) |
Key Features
| Feature | Design Value |
|---|---|
| On-chip track-and-hold | Eliminates need for external THA, reducing board space and signal path complexity in compact instruments |
| Integrated 1.25 V reference | Enables fully self-contained operation without external reference ICs or trimming components |
| Separate VDD and VD supplies | Allows independent optimization of analog noise floor and digital interface voltage, improving SNR stability |
| 475 MHz analog bandwidth | Supports direct sampling of IF signals up to 200 MHz (with proper anti-alias filtering), avoiding downconversion |
| Low 5 ps rms aperture jitter | Maintains >46 dB SNR at 41 MHz input, critical for time-domain accuracy in oscilloscope front-ends |
| Power-down mode with fast wake-up | Resumes full performance within 15 encode cycles, enabling burst-mode acquisition in portable devices |
Applications
| Hand-Held Scopemeter Front-End | Low-Cost Digital Oscilloscope |
|---|---|
|
Use Scenario: Real-time waveform capture in battery-powered field diagnostic tools with 50–100 MHz bandwidth requirements. IC Role / Device Role / Timing Role: Primary ADC digitizing conditioned analog inputs; samples at 100 MSPS with 475 MHz analog bandwidth to preserve edge fidelity. Use Value: Single-supply 3.0 V operation and 90 mW power enable >4-hour runtime on Li-ion packs; integrated reference simplifies calibration. |
Use Scenario: Entry-level benchtop oscilloscopes targeting education and service markets requiring sub-$500 BOM cost. IC Role / Device Role / Timing Role: Core digitizer feeding FPGA-based acquisition engine; offset binary output stream synchronized to ENCODE clock. Use Value: SSOP-20 footprint and no external support components reduce PCB layer count and assembly cost versus discrete ADC+THA+ref solutions. |
| Battery-Powered Signal Analyzer | Portable Spectrum Monitoring Unit |
|
Use Scenario: Field-deployable RF monitoring device capturing 0–50 MHz spectrum segments for EMI diagnostics. IC Role / Device Role / Timing Role: ADC in undersampling configuration; leverages 475 MHz bandwidth to alias HF signals into baseband for DSP analysis. Use Value: 46.5 dB SNR at 41 MHz ensures usable dynamic range for detecting weak interferers amid strong carriers. |
Use Scenario: Compact wireless spectrum surveillance unit deployed in remote locations with solar/battery power. IC Role / Device Role / Timing Role: High-speed digitizer in direct-conversion receiver chain; interfaces via VDD-adjustable outputs to low-voltage FPGA fabric. Use Value: 4.2 mW power-down mode extends idle battery life; fast wake-up enables duty-cycled scanning without latency penalty. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9280ARSZ | 8-bit, 32 MSPS; lower power (50 mW), wider input range (2 V p-p), no on-chip reference | Suitable for lower-bandwidth, lower-power portable meters where SNR >42 dB suffices | Choose AD9280ARSZ when sampling rate ≤32 MSPS and external reference is acceptable |
| MAX1186ETL+ | 8-bit, 105 MSPS; 3.3 V only; higher SNR (48 dB @ 10 MHz); no power-down mode | Better for fixed-line instrumentation needing marginally higher SNR but lacking battery constraints | Choose MAX1186ETL+ when 3.3 V supply is fixed and continuous operation without sleep is required |
Compared with AD9283BRSZ-RL100, AD9280ARSZ trades speed and integration for lower power and cost, while MAX1186ETL+ improves raw performance at the expense of flexibility in supply and power management - making AD9283BRSZ-RL100 optimal for battery-powered, self-contained 100 MSPS digitizers.
Availability
AD9283BRSZ-RL100 is available at Aetrix Electronics and suitable for battery-powered instruments, handheld scopemeters, and low-cost digital oscilloscopes requiring stable component supply across industrial temperature ranges and long-term production continuity.
Supply support for AD9283BRSZ-RL100 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD9283 belongs to Analog Devices' high-speed data converter product line, designed specifically for cost-sensitive, low-power, space-constrained instrumentation and portable test equipment requiring integrated functionality and rapid time-to-market.
FAQ
What is the maximum analog input frequency supported by the AD9283BRSZ-RL100 before aliasing occurs?
The AD9283BRSZ-RL100 has a 100 MSPS sampling rate, so its Nyquist frequency is 50 MHz. However, its 475 MHz analog bandwidth means it can accurately capture signals well above 50 MHz when used in undersampling configurations - provided anti-alias filtering is applied appropriately. For baseband sampling without aliasing, input frequencies must remain below 50 MHz.
Does the AD9283BRSZ-RL100 require an external reference, or can it operate using its internal reference?
The AD9283BRSZ-RL100 can operate fully self-contained using its internal 1.25 V reference. Pins 2 (VREF OUT) and 3 (VREF IN) are strapped together in standard configuration. An external reference may be used for tighter tolerance or custom full-scale range, but it is not required - the internal reference is specified at ±130 ppm/°C and supports ±5% adjustment without performance degradation.
How does the power-down mode of the AD9283BRSZ-RL100 affect digital output behavior?
When PWRDWN (Pin 1) is asserted HIGH, the AD9283BRSZ-RL100 enters power-down mode, reducing total power dissipation to 4.2 mW. Crucially, all eight digital outputs (D7–D0) transition to a high-impedance state, preventing bus contention and eliminating switching current draw - a key feature for low-power portable systems with shared data buses.
What is the significance of the separate VDD and VD supply pins on the AD9283BRSZ-RL100?
The AD9283BRSZ-RL100 uses VD (Pins 5, 8) for analog circuitry and VDD (Pin 15) exclusively for digital output buffers. This separation prevents digital switching noise from modulating the analog supply, preserving SNR. It also allows VDD to be set to 2.5 V or 3.3 V independently, enabling seamless interfacing with diverse logic families without level shifters.
Can the AD9283BRSZ-RL100 be used with single-ended analog inputs, and what is the recommended termination?
Yes, the AD9283BRSZ-RL100 supports single-ended operation by connecting AIN (Pin 6) to the signal and leaving AIN (Pin 7) open or terminating it to ground via a 0.1 µF capacitor in series with a 25 Ω resistor - per Analog Devices' recommendation. This maintains proper input bias and minimizes mismatch-induced distortion, especially critical above 20 MSPS.
AD9283BRSZ-RL100 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 100M
- Number of Inputs:
- 1
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 2.7V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 20-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9283BRSZ-RL100 FAQ
1.How can I place an order for AD9283BRSZ-RL100 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9283BRSZ-RL100 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD9283BRSZ-RL100 reliable?
The price and inventory of AD9283BRSZ-RL100 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9283BRSZ-RL100 is usually 5 days.
3.What payment methods are accepted for AD9283BRSZ-RL100?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9283BRSZ-RL100 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9283BRSZ-RL100?
AD9283BRSZ-RL100 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9283BRSZ-RL100 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD9283BRSZ-RL100?
For technical support, including AD9283BRSZ-RL100 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9283BRSZ-RL100 requirements.
6.How does Aetrix verify that AD9283BRSZ-RL100 is sourced from the original manufacturer or authorized distributors?
All AD9283BRSZ-RL100 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD9283BRSZ-RL100 meets industry standards.
7.What is the process for return or replacement of AD9283BRSZ-RL100?
All AD9283BRSZ-RL100 units undergo pre-shipment inspection (PSI). If there is an issue with AD9283BRSZ-RL100, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD9283BRSZ-RL100 part is unused and in its original packaging.
Return procedure for AD9283BRSZ-RL100:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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