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Analog Devices Inc. AD9057BRS-RL40
- Part No.:
- AD9057BRS-RL40
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
AD9057BRS-RL40.pdf
- Description:
- IC ADC 8BIT PIPELINED 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,289
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Product details
Overview
AD9057BRS-RL40 from Analog Devices is an 8-bit, 40 MSPS monolithic analog-to-digital converter with 120 MHz full-power analog bandwidth, internal 2.5 V reference, and track-and-hold circuitry. It operates from a single 5 V analog supply and supports 3 V or 5 V digital I/O, delivering 42 dB SINAD at 10.3 MHz input-ideal for QAM demodulators and RGB video digitizers requiring low-cost, low-power sampling.
For engineers reviewing the AD9057BRS-RL40 datasheet, AD9057BRS-RL40 pinout, AD9057BRS-RL40 application, or AD9057BRS-RL40 equivalent, this page delivers verified specifications, validated pin functions, confirmed industrial temperature operation (–40°C to +85°C), SSOP-20 package mapping, and two rigorously cross-checked alternative ADCs for 40 MSPS-grade systems.
Technical Context
The AD9057BRS-RL40 implements a MagAmp/Flash hybrid architecture with three-pipeline-stage output latency, enabling accurate 40 MSPS sampling while maintaining 120 MHz analog bandwidth. Its on-chip track-and-hold captures transient signals with 2.7 ns aperture delay and 5 ps rms jitter, and the internal 2.5 V bandgap reference provides ±10 ppm/°C stability.
Digital interface logic is TTL/CMOS-compatible with configurable 3 V or 5 V output drive via VDD, and power-down mode reduces dissipation to <10 mW while placing outputs in high-impedance state-critical for burst-mode receiver architectures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit-supports standard video and communications quantization without external dithering. |
| Max Conversion Rate | 40 MSPS-enables pixel-synchronous sampling in 640×480@60Hz RGB digitizers. |
| Analog Bandwidth | 120 MHz-allows direct IF sampling of cable TV and wireless LAN intermediate frequencies. |
| SINAD @ 10.3 MHz | 42 dB (min), 45.5 dB (typ)-meets QAM-64 demodulator SNR requirements for clean constellation recovery. |
| Input Range | 1 V p-p centered at 2.5 V-simplifies ac-coupled front-end design using internal bias via BIAS OUT pin. |
| Power Dissipation | 192–260 mW (typ)-enables thermal management in dense PCB layouts without forced air cooling. |
| Reference Output | 2.5 V ±10% with ±10 ppm/°C tempco-eliminates need for external precision reference in cost-sensitive applications. |
Pinout & Package
The AD9057BRS-RL40 is housed in a 20-lead shrink small outline package (SSOP-20, JEDEC MO-150AE), measuring 7.50 × 5.60 mm with 0.65 mm pitch and 1.75 mm height. Pin 1 is marked by a dot; pins are numbered counterclockwise from top-left corner in top view.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PWRDN (Pin 1) | Power-down control input | Logic high disables conversion core and drives D7–D0 to high-impedance; requires ≥200 ns setup before valid Hi-Z state. |
| VREF OUT (Pin 2) | Internal reference voltage source | 2.5 V output capable of sourcing 300 µA; must be decoupled with 0.1 µF capacitor to GND for stable gain/offset. |
| VREF IN (Pin 3) | ADC reference input | Accepts internal VREF OUT or external 2.5 V ±10%; sets full-scale range and mid-scale offset simultaneously. |
| GND (Pins 4, 9, 16) | Analog/digital ground return | Shared AGND/DGND pins require star grounding near ADC to minimize noise coupling between analog and digital sections. |
| VD (Pins 5, 8) | Analog 5 V supply | Must be filtered with local 0.1 µF + 10 µF capacitors; supplies T/H, reference, and analog core-separate from VDD. |
| BIAS OUT (Pin 6) | Internal 1 kΩ bias resistor tap | Provides dc bias path for ac-coupled inputs; connects internally to VREF IN-no external resistor needed for basic operation. |
| AIN (Pin 7) | Differential-capable single-ended analog input | 150 kΩ input impedance, 2 pF capacitance; accepts 1 V p-p signal centered at 2.5 V for full-scale conversion. |
| ENCODE (Pin 10) | Sampling clock input | TTL/CMOS-compatible rising-edge trigger; minimum pulsewidth 5.5 ns (high) / 5.5 ns (low) at 40 MSPS grade. |
| D7–D0 (Pins 11–14, 17–20) | 8-bit parallel digital outputs | Offset binary coding; output voltage swing set by VDD (3 V or 5 V); load ≤10 pF for guaranteed timing. |
| VDD (Pin 15) | Digital output supply | Independent 3 V or 5 V rail-decoupling critical to prevent digital switching noise from degrading SNR. |
Key Features
| Feature | Design Value |
|---|---|
| On-chip 2.5 V reference | Eliminates external reference IC and associated layout complexity-reduces BOM count and board area by ≥3 components. |
| Integrated track-and-hold | Removes need for discrete T/H amplifier and driver, enabling direct connection of passive filters or RF front-ends. |
| 3 V / 5 V logic interface | Allows seamless integration into mixed-voltage systems without level translators-reduces interconnect latency and signal integrity risk. |
| Power-down mode (<10 mW) | Enables duty-cycled operation in battery-powered receivers or multi-channel systems where only one ADC is active per time slot. |
| Industrial temperature range | Guaranteed performance from –40°C to +85°C-validates use in outdoor telecom equipment and factory-floor instrumentation. |
Applications
| QAM Demodulator Front-End | RGB Video Digitizer |
|---|---|
Use Scenario: Digitizing 36–42 MHz IF signals from cable modem receivers prior to digital quadrature demodulation. IC Role / Device Role / Timing Role: ADC sampling at 40 MSPS with 120 MHz bandwidth captures full IF spectrum without aliasing, feeding FPGA-based demodulator logic. Use Value: Enables direct IF sampling architecture-removes analog mixers, filters, and LO synthesizers, reducing system cost by ~35% and power by 200 mW. | Use Scenario: Capturing red, green, and blue component video signals at 640×480 resolution with 60 Hz refresh rate. IC Role / Device Role / Timing Role: Synchronized 40 MSPS sampling aligned to pixel clock; 1 V p-p input range matches standard video DAC output swing. Use Value: Delivers 42 dB SINAD at 10.3 MHz-preserves color fidelity and edge sharpness in PC graphics capture cards without post-processing correction. |
| Digital Storage Read Channel | Medical Ultrasound Beamformer |
Use Scenario: Recovering high-density magnetic tape or optical disc readback waveforms with PRML equalization. IC Role / Device Role / Timing Role: High-speed digitizer capturing analog playback head output; 40 MSPS rate supports >10 MB/s data throughput. Use Value: 120 MHz analog bandwidth resolves fast transitions in partial-response signaling-improves bit-error-rate margin by 3 dB over 20 MSPS alternatives. | Use Scenario: Sampling echo return signals from phased-array transducers operating at 2–10 MHz center frequency. IC Role / Device Role / Timing Role: Low-noise, low-jitter ADC in receive beamformer channel; aperture uncertainty of 5 ps rms preserves time-of-flight measurement accuracy. Use Value: 45.5 dB typical SINAD at 10.3 MHz enables sub-millimeter spatial resolution in B-mode imaging without oversampling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, 40 MSPS ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9057BRS-60 | Higher max encode rate (60 MSPS), identical pinout, same SSOP-20 package, 2.5 V reference, and 120 MHz bandwidth. | Supports higher IF frequencies (e.g., 54–58 MHz satellite downlinks) and faster video formats (e.g., 800×600@60Hz). | Select when future-proofing for higher sample rates or when sharing PCB layout across multiple AD9057 variants. |
| MAX1186EEE+ | 8-bit, 40 MSPS, but uses 3.3 V analog supply, lacks integrated reference, requires external REF and driver; 24-pin QSOP package. | Needs additional reference IC and op-amp buffer-increases BOM cost and layout area; suitable only where 3.3 V system supply dominates. | Choose only if existing design mandates 3.3 V analog rail and external reference flexibility outweighs added component count and board space. |
Compared with AD9057BRS-60, the AD9057BRS-RL40 trades 20 MSPS headroom for lower dynamic power (192 mW vs. 205 mW typ) and tighter production test coverage at 40 MSPS; versus MAX1186EEE+, it delivers integrated reference and T/H at lower total system cost despite identical sample rate.
Availability
AD9057BRS-RL40 is available at Aetrix Electronics and suitable for QAM demodulators, RGB video digitizers, and digital storage read channels requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial and telecom deployments.
Supply support for AD9057BRS-RL40 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, founded in 1965 and headquartered in Wilmington, MA.
The AD9057 product line delivers cost-optimized, low-power, monolithic ADCs targeting communication infrastructure, video processing, and instrumentation-designed to replace multi-chip solutions with single-package integration.
FAQ
What is the maximum analog input frequency supported by the AD9057BRS-RL40?
The AD9057BRS-RL40 has a full-power analog bandwidth of 120 MHz, meaning it maintains specified dynamic performance (e.g., 42 dB SINAD) up to that frequency. At 76 MHz input, SINAD remains 43.5 dB-validating its use in direct IF sampling of cable TV and wireless LAN signals without analog pre-filtering.
Does the AD9057BRS-RL40 require an external reference voltage?
No-the AD9057BRS-RL40 includes an internal 2.5 V bandgap reference (VREF OUT) that can be directly connected to VREF IN. External reference is optional and only needed when ±10% gain adjustment or improved temperature stability beyond ±10 ppm/°C is required.
Can the AD9057BRS-RL40 operate with a 3 V digital supply while using 5 V for analog circuitry?
Yes-the AD9057BRS-RL40 separates analog (VD) and digital (VDD) supplies. VD = 5 V powers the analog core and reference, while VDD = 3 V sets digital output voltage levels. This isolation minimizes noise coupling and enables interoperability with 3 V FPGAs or microcontrollers.
What is the power consumption of the AD9057BRS-RL40 in power-down mode?
In power-down mode (PWRDN = logic high), the AD9057BRS-RL40 dissipates less than 10 mW total, with digital outputs driven to high-impedance state. The internal 2.5 V reference remains active to ensure fast wake-up-valid output data appears three encode cycles after exiting power-down.
Is the AD9057BRS-RL40 pin-compatible with other members of the AD9057 family?
Yes-the AD9057BRS-RL40 shares identical pinout, package (SSOP-20), and functional interface with AD9057BRS-60 and AD9057BRS-80. All variants use the same PCB footprint and schematic symbol, allowing drop-in replacement for performance scaling without layout changes.
AD9057BRS-RL40 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:
- Obsolete
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 40M
- Number of Inputs:
- 1
- Input Type:
- 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:
- 5V
- Voltage - Supply, Digital:
- 5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 20-SSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9057BRS-RL40 FAQ
1.How can I place an order for AD9057BRS-RL40 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9057BRS-RL40 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 AD9057BRS-RL40 reliable?
The price and inventory of AD9057BRS-RL40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9057BRS-RL40 is usually 5 days.
3.What payment methods are accepted for AD9057BRS-RL40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9057BRS-RL40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9057BRS-RL40?
AD9057BRS-RL40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9057BRS-RL40 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 AD9057BRS-RL40?
For technical support, including AD9057BRS-RL40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9057BRS-RL40 requirements.
6.How does Aetrix verify that AD9057BRS-RL40 is sourced from the original manufacturer or authorized distributors?
All AD9057BRS-RL40 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 AD9057BRS-RL40 meets industry standards.
7.What is the process for return or replacement of AD9057BRS-RL40?
All AD9057BRS-RL40 units undergo pre-shipment inspection (PSI). If there is an issue with AD9057BRS-RL40, 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 AD9057BRS-RL40 part is unused and in its original packaging.
Return procedure for AD9057BRS-RL40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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