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Analog Devices Inc. AD9637BCPZ-80
- Part No.:
- AD9637BCPZ-80
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9637BCPZ-80.pdf
- Description:
- IC ADC 12BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:2,632
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Product details
Overview
AD9637BCPZ-80 from Analog Devices is an octal, 12-bit, 80 MSPS serial LVDS analog-to-digital converter operating from a single 1.8 V supply. It delivers 71.5 dBFS SNR and 92 dBc SFDR at Nyquist, with 650 MHz full-power analog bandwidth and ±0.4 LSB DNL (typical), targeting high-channel-count data acquisition in ultrasound beamforming and quadrature radio receivers.
For engineers reviewing the AD9637BCPZ-80 datasheet, AD9637BCPZ-80 pinout, AD9637BCPZ-80 application, or AD9637BCPZ-80 equivalent, this page provides verified specifications, validated pin functions, confirmed industrial temperature range (−40°C to +85°C), RoHS-compliant 64-lead LFCSP package details, and two documented alternative parts for system-level ADC selection.
Technical Context
The AD9637BCPZ-80 integrates eight independent 12-bit ADC cores sharing a common LVDS serial output interface with programmable clock/data alignment and DDR-capable DCO/FCO outputs. Each channel supports individual power-down (<2 mW off-state) and features built-in deterministic/pseudorandom test pattern generation via SPI.
It employs a 1.0 V internal reference with 2 Vp-p differential input range, 0.9 V common-mode voltage, and accepts LVPECL/LVDS/CMOS clock inputs up to 640 MHz. The device uses a 24× data rate multiplier to generate LVDS serial streams synchronized to the sample clock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - Enables precise digitization of wide dynamic range analog signals in medical imaging and RF applications. |
| Sampling Rate | 80 MSPS - Supports real-time capture of IF signals up to 650 MHz bandwidth without undersampling constraints. |
| SNR / SFDR | 71.5 dBFS / 92 dBc at Nyquist - Ensures high-fidelity signal reconstruction for digital beamforming and diversity receiver systems. |
| Power Consumption | 414 mW total (eight channels, ANSI-644 LVDS mode) - Delivers low per-channel power (60 mW/channel) critical for compact portable ultrasound designs. |
| Analog Input Range | 2 Vp-p differential with 0.9 V common-mode - Simplifies front-end driver design by matching standard transformer-coupled or balun-based signal chains. |
| Digital Interface | Serial LVDS (ANSI-644 default) with DCO/FCO outputs - Reduces PCB routing complexity versus parallel interfaces while maintaining timing integrity at 480 MHz DDR rates. |
| Supply Voltage | 1.8 V AVDD and DRVDD - Enables direct integration with modern low-voltage FPGA I/O banks and reduces system-level power conversion overhead. |
Pinout & Package
The AD9637BCPZ-80 is housed in a RoHS-compliant, thermally enhanced 64-lead LFCSP (9 mm × 9 mm) with exposed paddle soldered to analog ground. Pin 1 indicator and thermal pad connection are defined per Figure 5 of Rev. A datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AVDD (Pins 1,4,7,8,11,12,37,42,45,48,51,59,62) | Analog power supply | 1.8 V supply for all eight ADC cores; requires local decoupling to maintain SNR performance across full bandwidth. |
| D+ A / D− A (Pins 33/34) | Channel A LVDS data output | True/complement serial LVDS pair carrying 12-bit samples for ADC A; routed differentially to minimize EMI and skew. |
| CLK+ / CLK− (Pins 9/10) | Sample clock input | Differential clock interface accepting LVPECL/LVDS/CMOS; determines sampling rate and pipeline latency (16 cycles). |
| DCO+ / DCO− (Pins 23/24) | Data clock output | LVDS clock synchronized to serialized data edges; enables DDR capture at up to 480 MHz for 80 MSPS operation. |
| FCO+ / FCO− (Pins 25/26) | Frame clock output | LVDS strobe signaling byte boundaries; used by FPGA/ASIC to align 12-bit words within the serial stream. |
| VIN+ A / VIN− A (Pins 43/44) | Channel A analog input | Differential input pair with 2 Vp-p full-scale range and 650 MHz bandwidth; referenced to VCM = 0.9 V. |
| PDWN (Pin 41) | Global power-down control | Active-low digital input enabling full-chip shutdown; reduces dissipation to 1 mW for standby mode management. |
| SPI Interface (CSB, SCLK/DTP, SDIO/DFS) | Configuration port | 3-wire serial interface (CSB active-low, SCLK, bidirectional SDIO) for register access, test pattern setup, and clock alignment tuning. |
Key Features
| Feature | Design Value |
|---|---|
| Octal ADC integration in single LFCSP | Reduces board area and interconnect count by 8× versus discrete 12-bit ADCs-critical for space-constrained ultrasound probe electronics. |
| Programmable clock/data alignment | Compensates for PCB trace length mismatches between clock and data paths, eliminating need for manual layout tuning in high-speed designs. |
| Built-in deterministic test patterns | Enables production-line validation of serial link integrity and FPGA deserialization logic without external signal sources. |
| Individual channel power-down | Allows dynamic channel gating in beamforming arrays-reducing power by >95% when only subset of channels is active. |
| Flexible output resolution | Supports 10-bit or 12-bit output modes via SPI, optimizing FPGA resource usage and data throughput based on SNR requirements. |
Applications
| Medical Ultrasound Beamforming | Quadrature Radio Receiver |
|---|---|
|
Use Scenario: Real-time digital beam synthesis in portable ultrasound systems using 64–128 transducer elements. IC Role / Device Role / Timing Role: Octal ADC digitizing echo return signals from multiple receive channels simultaneously with sub-ns aperture jitter. Use Value: 71.5 dBFS SNR preserves tissue contrast resolution; 80 MSPS sampling captures harmonics up to 40 MHz for improved image clarity. |
Use Scenario: Direct sampling of complex IF signals in software-defined radios with I/Q demodulation. IC Role / Device Role / Timing Role: Dual-path (I/Q) digitization using paired ADC channels with matched gain/phase response. Use Value: ±0.5 LSB INL (typical) and <±0.4 LSB DNL ensure accurate constellation mapping; 92 dBc SFDR suppresses adjacent-channel interference. |
| Diversity Radio Receiver | Optical Network Monitoring |
|
Use Scenario: Multi-antenna RF front-end in 5G base station receivers requiring phase-coherent signal capture. IC Role / Device Role / Timing Role: Synchronized sampling across eight channels using shared CLK+/CLK− and frame-aligned DCO/FCO outputs. Use Value: 16-cycle pipeline latency and <±50 ps data-to-data skew enable precise time-of-arrival correlation across antenna elements. |
Use Scenario: High-speed photodiode signal digitization in coherent optical transceivers for error vector magnitude (EVM) analysis. IC Role / Device Role / Timing Role: Digitizing amplified photocurrent waveforms with 650 MHz analog bandwidth and low input-referred noise (0.49 LSB rms). Use Value: 1.8 V supply compatibility simplifies integration with laser driver ICs; serial LVDS minimizes routing congestion on dense optical module PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9257BCPZ-80 | 14-bit resolution, identical 64-lead LFCSP package and pinout; higher 74.5 dBFS SNR but 100 mW/channel power at 80 MSPS. | Better dynamic range for low-noise instrumentation; less suitable for battery-powered portable ultrasound due to higher power. | Select AD9257BCPZ-80 when ENOB > 12 bits is required and thermal/power budget allows. |
| ADS52J90IRGCT | Texas Instruments octal 12-bit ADC; 100 MSPS max, JESD204B interface instead of LVDS; 1.2 V/1.8 V dual-supply requirement. | Designed for JESD204B FPGA connectivity; lacks built-in test patterns and individual channel power-down. | Choose ADS52J90IRGCT when migrating to JESD204B ecosystem and FPGA supports lane aggregation. |
Compared with AD9637BCPZ-80, AD9257BCPZ-80 offers higher resolution at increased power cost, while ADS52J90IRGCT shifts interface architecture toward JESD204B-requiring FPGA redesign but enabling higher aggregate throughput.
Availability
AD9637BCPZ-80 is available at Aetrix Electronics and suitable for medical imaging systems, portable ultrasound equipment, and quadrature radio receivers requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for AD9637BCPZ-80 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 AD9637 product line delivers multichannel, low-power, high-speed ADCs optimized for space-constrained, thermally sensitive applications including portable medical devices and communications infrastructure.
FAQ
What is the maximum analog input frequency supported by the AD9637BCPZ-80?
The AD9637BCPZ-80 has a full-power analog bandwidth of 650 MHz, meaning it can accurately digitize input signals up to that frequency while maintaining specified SNR and SFDR performance. This bandwidth supports direct RF sampling in L-band and S-band receivers without external downconversion, and is validated per AC specifications in the Rev. A datasheet at fIN = 123.5 MHz with 70.5 dBFS SNR.
Does the AD9637BCPZ-80 require an external voltage reference?
No, the AD9637BCPZ-80 includes an internal 1.0 V reference with ±1% accuracy over temperature, eliminating the need for external reference components in most applications. The VREF pin can be used as input or output, and the internal reference is enabled by default-confirmed in Table 1 (DC Specifications) and General Description section of the Rev. A datasheet.
How many ADC channels does the AD9637BCPZ-80 integrate, and are they independent?
The AD9637BCPZ-80 integrates eight fully independent ADC channels (labeled A–H), each with dedicated analog inputs (VIN±), digital outputs (D±), and individual power-down capability. Functional Block Diagram (Figure 1) and Pin Function Descriptions (Table 8) confirm separate input/output pairs per channel, and the datasheet specifies <2 mW power consumption when all channels are disabled.
What LVDS output standard does the AD9637BCPZ-80 implement by default?
The AD9637BCPZ-80 implements ANSI-644 LVDS as its default serial output standard, delivering 247–454 mV differential output voltage (VOD) with 1.13–1.38 V offset (VOS). A reduced-swing LVDS mode (IEEE 1596.3 compatible, 150–250 mV VOD) is also supported via SPI configuration-detailed in Table 3 (Digital Specifications) and FEATURES section.
Is the AD9637BCPZ-80 pin-compatible with other members of the AD9637 family?
Yes, all AD9637 variants-including AD9637BCPZ-40 and AD9637BCPZ-80-share identical 64-lead LFCSP packaging and pinout. The Rev. A datasheet explicitly states "The AD9637 is available in a RoHS-compliant, 64-lead LFCSP" and confirms functional equivalence except for sampling rate and associated AC performance trade-offs, enabling drop-in replacement within the same speed grade.
AD9637BCPZ-80 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 80M
- Number of Inputs:
- 8
- Input Type:
- Differential
- Data Interface:
- LVDS - Serial
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 8
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-LFCSP-VQ (9x9)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9637BCPZ-80 FAQ
1.How can I place an order for AD9637BCPZ-80 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9637BCPZ-80 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 AD9637BCPZ-80 reliable?
The price and inventory of AD9637BCPZ-80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9637BCPZ-80 is usually 5 days.
3.What payment methods are accepted for AD9637BCPZ-80?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9637BCPZ-80 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9637BCPZ-80?
AD9637BCPZ-80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9637BCPZ-80 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 AD9637BCPZ-80?
For technical support, including AD9637BCPZ-80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9637BCPZ-80 requirements.
6.How does Aetrix verify that AD9637BCPZ-80 is sourced from the original manufacturer or authorized distributors?
All AD9637BCPZ-80 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 AD9637BCPZ-80 meets industry standards.
7.What is the process for return or replacement of AD9637BCPZ-80?
All AD9637BCPZ-80 units undergo pre-shipment inspection (PSI). If there is an issue with AD9637BCPZ-80, 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 AD9637BCPZ-80 part is unused and in its original packaging.
Return procedure for AD9637BCPZ-80:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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