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Analog Devices Inc. AD9057BRS-60
- Part No.:
- AD9057BRS-60
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
AD9057BRS-60.pdf
- Description:
- IC ADC 8BIT PIPELINED 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,565
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Product details
Overview
AD9057BRS-60 from Analog Devices is an 8-bit, 60 MSPS monolithic analog-to-digital converter with 120 MHz full-power analog bandwidth, on-chip 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 45 dB SINAD at 10.3 MHz input and <10 mW power-down dissipation. It is used in RGB video digitizers and QAM demodulators requiring high-speed, low-power sampling.
For engineers reviewing the AD9057BRS-60 datasheet, AD9057BRS-60 pinout, AD9057BRS-60 application, or AD9057BRS-60 equivalent, key selection criteria include encode rate (60 MSPS), analog bandwidth (120 MHz), internal reference capability, power-down functionality, and SSOP-20 package compatibility for space-constrained embedded digitization systems.
Technical Context
The AD9057BRS-60 employs a MagAmp/Flash hybrid architecture with three-stage pipelining, enabling 60 MSPS conversion while maintaining 8-bit accuracy and low aperture jitter (5 ps rms). Its track-and-hold holds the analog input on the rising edge of the TTL/CMOS-compatible ENCODE signal, and outputs use offset binary coding.
It integrates a bandgap-based 2.5 V reference (±10 ppm/°C tempco) that can drive external bias networks up to 300 µA, and features separate analog (VD) and digital (VDD) supplies to minimize noise coupling. Power-down mode disables core conversion circuitry while retaining reference stability for fast wake-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit - delivers 256 discrete output levels for medium-fidelity digitization tasks |
| Max Conversion Rate | 60 MSPS - supports real-time sampling of IF signals up to 30 MHz Nyquist bandwidth |
| Analog Bandwidth | 120 MHz - enables accurate capture of fast transients in video and communications waveforms |
| SINAD @ 10.3 MHz | 45 dB typical - corresponds to ~7.2 effective bits for baseband signal fidelity |
| Power Dissipation | 205–260 mW typical - balances speed and thermal load in compact industrial PCBs |
| Power-Down Dissipation | <10 mW - reduces system standby power without losing reference calibration |
| Input Range | 1 V p-p centered at 2.5 V - simplifies interface with AC-coupled sources using internal bias |
Pinout & Package
The AD9057BRS-60 is housed in a 20-lead Shrink Small Outline Package (SSOP, RS-20), 7.8 mm × 5.3 mm body size, 0.65 mm pitch, JEDEC MO-150AE compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PWRDN (Pin 1) | Power-down control input | Logic high places ADC in ultra-low-power state; digital outputs go high-impedance after 200 ns |
| VREF OUT (Pin 2) | Internal reference output | 2.5 V ±10 mV source for biasing or external reference feedback; requires 0.1 µF decoupling |
| VREF IN (Pin 3) | Reference input node | Accepts internal VREF OUT or external 2.5 V ±10% reference to set gain/offset scaling |
| GND (Pins 4, 9, 16) | Analog/digital ground | Common return for analog input, reference, and digital logic; must be low-impedance star point |
| VD (Pins 5, 8) | Analog power supply | +5 V ±5% supply for analog core; decoupling required near pins to suppress switching noise |
| BIAS OUT (Pin 6) | Internal bias resistor tap | Provides 1 kΩ path from VREF IN to AIN for AC-coupled input bias; eliminates external components |
| AIN (Pin 7) | Analog input | Single-ended 150 kΩ input impedance; accepts 1 V p-p differential-equivalent signal centered at 2.5 V |
| ENCODE (Pin 10) | Sampling clock input | TTL/CMOS-compatible; rising edge triggers sample-and-hold; min pulsewidth 5.5 ns at 60 MSPS |
| D0–D7 (Pins 11–14, 17–20) | Digital outputs | Offset binary coded; driven from VDD (3 V or 5 V); high-impedance in power-down mode |
| VDD (Pin 15) | Digital I/O supply | Independent 3 V or 5 V rail; isolates digital noise from analog section; affects output swing and SNR |
Key Features
| Feature | Design Value |
|---|---|
| On-chip 2.5 V reference | Eliminates external reference IC and trimming, reducing BOM count and layout area by ≥2 components |
| Integrated track-and-hold | Removes need for external THA, enabling direct connection of antialias filters or RF front-ends |
| 3 V / 5 V digital I/O support | Allows seamless interfacing with legacy 5 V logic or modern low-voltage FPGAs without level shifters |
| Power-down mode (<10 mW) | Enables dynamic power gating in burst-mode receivers, extending battery life or lowering thermal design power |
| 120 MHz analog bandwidth | Supports direct IF sampling at 70 MHz+ without image-reject filtering, simplifying receiver front-end design |
Applications
| RGB Video Digitizer | QAM Demodulator |
|---|---|
Use Scenario: Digitizing 60 MHz pixel clocks in computer graphics subsystems for real-time display processing. IC Role / Device Role / Timing Role: ADC sampling RGB analog signals synchronously to pixel clock; provides 8-bit parallel output aligned to ENCODE rising edge. Use Value: Full-power 120 MHz bandwidth ensures sub-pixel transient settling, preserving color fidelity and eliminating ghosting artifacts. | Use Scenario: Downconverting and digitizing cable/satellite IF signals (e.g., 36–44 MHz) in broadband modems. IC Role / Device Role / Timing Role: Direct IF sampling ADC capturing complex baseband I/Q waveforms at 60 MSPS for DSP demodulation. Use Value: 45 dB SINAD at 76 MHz input enables robust 64-QAM symbol recovery with low bit error rate in noisy channels. |
| Digital Storage Read Channel | Medical Ultrasound Imaging |
Use Scenario: Recovering high-density magnetic tape or optical disc playback signals with wide spectral content. IC Role / Device Role / Timing Role: High-speed digitizer converting analog readback pulses into digital samples for PRML equalization and error correction. Use Value: Low aperture uncertainty (5 ps rms) preserves timing integrity of narrow read pulses, improving data recovery margin. | Use Scenario: Sampling echo return signals from 5–15 MHz ultrasound transducers in portable imaging systems. IC Role / Device Role / Timing Role: Front-end ADC acquiring time-of-flight RF echoes with precise amplitude and phase resolution. Use Value: 7.2 ENOB at 10.3 MHz supports >60 dB dynamic range needed for tissue contrast discrimination. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, medium-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9057BRS-40 | Lower max encode rate (40 MSPS); identical pinout, reference, and package | Suitable for cost-sensitive designs where 60 MSPS is not required (e.g., legacy video standards) | Select when system clock budget or thermal constraints favor lower speed and reduced power (192–260 mW vs. 205–260 mW) |
| AD9057BRS-80 | Higher max encode rate (80 MSPS); same architecture, reference, and SSOP-20 footprint | Required for Nyquist-sampled IF signals above 40 MHz or oversampling architectures | Choose when future-proofing for higher bandwidth or migrating from 60 MSPS to 80 MSPS without PCB redesign |
Compared with AD9057BRS-40 and AD9057BRS-80, the AD9057BRS-60 offers optimal trade-off between power efficiency, thermal performance, and IF sampling capability for mainstream digital communications and video digitization-neither over-spec'd nor under-spec'd for 60 MSPS system clocks.
Availability
AD9057BRS-60 is available at Aetrix Electronics and suitable for RGB video digitizers, QAM demodulators, and medical ultrasound imaging systems requiring stable component supply across industrial temperature range (–40°C to +85°C).
Supply support for AD9057BRS-60 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 AD9057 product line delivers cost-optimized, low-power 8-bit ADCs for embedded digitization in communications, video, and instrumentation-designed to replace multi-chip solutions with single-package integration.
FAQ
What is the maximum analog input frequency supported by the AD9057BRS-60?
The AD9057BRS-60 has a full-power analog bandwidth of 120 MHz, meaning it maintains specified DC accuracy and dynamic performance (e.g., SINAD ≥44 dB) for input frequencies up to 120 MHz. At 76 MHz input, typical SINAD is 44.9 dB, confirming usable performance well into VHF band. This enables direct IF sampling in communications receivers without analog pre-filtering.
Does the AD9057BRS-60 require an external reference voltage?
No, the AD9057BRS-60 includes an internal 2.5 V bandgap reference (VREF OUT) with ±10 ppm/°C temperature coefficient, which can be connected directly to VREF IN for standard operation. An external reference may be applied only if tighter gain accuracy or adjustable scaling (±10%) is required-otherwise, no external reference is needed for functional operation of the AD9057BRS-60.
What digital logic families are compatible with the AD9057BRS-60's ENCODE and output pins?
The AD9057BRS-60 ENCODE and PWRDN inputs meet TTL/CMOS thresholds (VIH = 2.0 V, VIL = 0.8 V), making them compatible with 3.3 V and 5 V CMOS, TTL, and LVTTL logic families. Its D0–D7 outputs are CMOS-driven and configurable via VDD (3 V or 5 V), supporting direct interface to FPGAs, ASICs, and microcontrollers without level-shifting circuitry in most designs using the AD9057BRS-60.
How does power-down mode affect the AD9057BRS-60's digital outputs and reference?
In power-down mode (PWRDN = high), the AD9057BRS-60 disables its analog core and digital logic, reducing total dissipation to <10 mW. Digital outputs enter high-impedance state after 200 ns, and the internal 2.5 V reference remains active to preserve calibration-enabling wake-up and valid data output within three encode cycles. This behavior is confirmed in the AD9057BRS-60 datasheet Rev. D, page 8.
What is the recommended decoupling for the AD9057BRS-60's VREF OUT pin?
The AD9057BRS-60 datasheet specifies a 0.1 µF ceramic capacitor (X7R or better) placed as close as possible between VREF OUT (Pin 2) and GND (Pin 4, 9, or 16). This minimizes reference modulation noise during high-speed conversion, directly improving SNR and reducing harmonic distortion. Additional bulk capacitance (e.g., 10 µF tantalum) on VD is also recommended per Analog Devices' layout guidelines for the AD9057BRS-60.
AD9057BRS-60 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 60M
- 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-60 FAQ
1.How can I place an order for AD9057BRS-60 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9057BRS-60 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-60 reliable?
The price and inventory of AD9057BRS-60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9057BRS-60 is usually 5 days.
3.What payment methods are accepted for AD9057BRS-60?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9057BRS-60 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9057BRS-60?
AD9057BRS-60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9057BRS-60 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-60?
For technical support, including AD9057BRS-60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9057BRS-60 requirements.
6.How does Aetrix verify that AD9057BRS-60 is sourced from the original manufacturer or authorized distributors?
All AD9057BRS-60 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-60 meets industry standards.
7.What is the process for return or replacement of AD9057BRS-60?
All AD9057BRS-60 units undergo pre-shipment inspection (PSI). If there is an issue with AD9057BRS-60, 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-60 part is unused and in its original packaging.
Return procedure for AD9057BRS-60:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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