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Analog Devices Inc. AD9637BCPZRL7-40
- Part No.:
- AD9637BCPZRL7-40
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9637BCPZRL7-40.pdf
- Description:
- IC ADC 12BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,478
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Product details
Overview
AD9637BCPZRL7-40 from Analog Devices is an octal, 12-bit, 40 MSPS serial LVDS analog-to-digital converter operating from a single 1.8 V supply, featuring 71.5 dBFS SNR, 92 dBc SFDR, and 650 MHz full-power analog bandwidth. It integrates on-chip sample-and-hold, programmable clock/data alignment, and individual channel power-down for ultrasound beam-forming and quadrature radio receiver front-ends.
For engineers reviewing the AD9637BCPZRL7-40 datasheet, AD9637BCPZRL7-40 pinout, AD9637BCPZRL7-40 application, or AD9637BCPZRL7-40 equivalent, this page delivers verified specifications, validated pin functions, confirmed industrial-temperature operation (−40°C to +85°C), and real-world use context for medical imaging, optical networking, and test equipment signal acquisition.
Technical Context
The AD9637BCPZRL7-40 implements eight independent 12-bit ADC cores sharing a common 1.8 V AVDD and DRVDD supply, each with differential analog inputs (VIN± A–H), LVDS serial outputs (D± A–H), and synchronized frame/data clocks (FCO/DCO). Its internal 1.0 V reference and 2 V p-p input range support direct interfacing with transformer-coupled or balun-based RF/IF signals without external drivers.
It employs a DDR LVDS output interface compliant with ANSI-644 (default) or reduced-swing IEEE 1596.3 mode, with programmable bit orientation, built-in deterministic/pseudorandom test patterns, and SPI-configurable clock divider (e.g., CLK÷8 for 40 MSPS operation). Pipeline latency is fixed at 16 clock cycles, and aperture jitter is specified at 0.1 ps rms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - supports 4096 quantization levels for high-fidelity digitization of ultrasound echoes or RF baseband signals. |
| Sampling Rate | 40 MSPS - enables Nyquist-limited capture of up to 20 MHz analog bandwidth per channel in time-interleaved or parallel architectures. |
| SNR | 71.5 dBFS (at fIN = 19.7 MHz) - ensures ≥11.6 ENOB for accurate amplitude measurement in portable ultrasound systems. |
| SFDR | 92 dBc (at fIN = 19.7 MHz) - suppresses spurious tones critical for detecting low-level reflections in nondestructive testing. |
| Analog Bandwidth | 650 MHz - preserves signal integrity for wideband IF sampling in diversity radio receivers up to L-band. |
| Power Consumption | 347–502 mW (8-channel, ANSI-644 mode) - scales linearly with throughput; 60 mW/channel at 80 MSPS enables thermal-constrained PCB layouts. |
| Supply Voltage | 1.8 V AVDD/DRVDD - eliminates need for multiple rail converters and simplifies power delivery in space-constrained modules. |
| Operating Temperature | −40°C to +85°C - qualified for industrial and medical-grade embedded deployment without derating. |
Pinout & Package
AD9637BCPZRL7-40 is housed in a RoHS-compliant, 64-lead LFCSP (9 mm × 9 mm) with exposed thermal pad soldered to analog ground. The package supports high-density routing and efficient heat dissipation via the bottom paddle.
| 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 100 nF + 10 µF decoupling per group to minimize noise coupling. |
| D+ A / D− A (Pins 33/34) | Channel A LVDS data output | DDR serial output carrying 12-bit samples; paired with DCO+/DCO− for source-synchronous capture at FPGA or ASIC receiver. |
| VIN+ A / VIN− A (Pins 43/44) | Channel A differential analog input | Accepts 2 V p-p differential signal; common-mode voltage set by VCM pin (0.9 V typical); no external driver required. |
| CLK+ / CLK− (Pins 9/10) | Differential sample clock input | Accepts LVDS/LVPECL/CMOS; internal multiplier generates LVDS serial clock rate; supports CLK÷8 for 40 MSPS operation. |
| DCO+ / DCO− (Pins 23/24) | Data clock output | Source-synchronous DDR clock aligned to serialized data edges; used to latch D± outputs in receiving logic. |
| FCO+ / FCO− (Pins 25/26) | Frame clock output | Indicates start of new byte/frame; enables byte boundary recovery in multi-channel LVDS deserialization. |
| PDWN (Pin 41) | Global power-down control | Active-low signal; reduces total dissipation to 1 mW; individual channel shutdown also supported via SPI. |
| CSB / SCLK / SDIO (Pins 40/38/39) | SPI interface | 3-wire serial port for configuration of clock alignment, test patterns, output resolution, and standby mode. |
Key Features
| Feature | Design Value |
|---|---|
| Octal ADC integration | Eight independent 12-bit converters in one 9 mm × 9 mm LFCSP - reduces board area by >70% vs. discrete quad ADC solutions. |
| Programmable clock/data alignment | SPI-adjustable phase delay between CLK and DCO/FCO - compensates for PCB trace skew and enables robust timing closure. |
| Built-in digital test patterns | Deterministic, pseudorandom, and custom user-defined patterns - enable system-level validation without external signal generators. |
| Flexible LVDS output modes | ANSI-644 (350 mV VOD) or reduced-swing (200 mV VOD) - lowers EMI and power in noise-sensitive medical or test environments. |
| Individual channel power-down | Each ADC core can be disabled independently - cuts dynamic power proportionally; <2 mW total when all channels off. |
| On-chip 1.0 V reference | Internally generated, ±1% accuracy over temperature - eliminates external reference IC and associated layout complexity. |
Applications
| Medical Ultrasound Beam-Forming | Quadrature Radio Receiver |
|---|---|
Use Scenario: Digitizing 8-channel echo return signals in portable ultrasound scanners with real-time beam synthesis. IC Role / Device Role / Timing Role: Octal ADC capturing simultaneous RF/IF samples at 40 MSPS with sub-ns inter-channel skew for coherent summation. Use Value: 71.5 dBFS SNR preserves tissue contrast resolution; LVDS serialization reduces routing congestion across flex PCBs. |
Use Scenario: Downconverting and digitizing I/Q baseband signals in software-defined radios with dual-path architecture. IC Role / Device Role / Timing Role: Simultaneous sampling of in-phase and quadrature analog inputs with matched gain/phase response across all eight channels. Use Value: ±0.5 LSB INL and ±0.4 LSB DNL ensure minimal image distortion; 650 MHz bandwidth supports DC–20 MHz complex IF bands. |
| Optical Network Monitoring | Automated Test Equipment |
Use Scenario: Real-time analysis of optical transceiver eye diagrams and jitter profiles using high-speed oscilloscope front-end. IC Role / Device Role / Timing Role: High-fidelity digitization of amplified photodiode outputs with precise timing alignment for BER calculation. Use Value: 92 dBc SFDR rejects harmonic interference from clock harmonics; 1.8 V supply simplifies integration into modular PXI chassis. |
Use Scenario: Multi-channel signal acquisition in benchtop analyzers measuring frequency response, THD, and noise floor of DUTs. IC Role / Device Role / Timing Role: Parallel sampling of stimulus and response waveforms with deterministic latency (16 cycles) for phase-coherent analysis. Use Value: Programmable test patterns enable self-test and calibration; SPI interface allows remote reconfiguration during automated test sequences. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9257BCPZRL7-40 | 14-bit resolution, same 64-lead LFCSP package and pinout; higher SNR (73.5 dBFS) but increased power (100 mW/channel). | Better dynamic range for low-noise spectroscopy; less suitable for cost- or power-constrained portable ultrasound. | Select AD9257BCPZRL7-40 when ENOB >12 bits is mandatory and thermal budget allows +67% per-channel power. |
| ADC3664IRSBT | Texas Instruments 14-bit, 125 MSPS octal ADC; JESD204B interface instead of LVDS; 3.3 V/1.8 V dual supply required. | Higher speed and digital interface flexibility for FPGA-based processing; incompatible pinout and power architecture. | Choose ADC3664IRSBT for JESD204B-equipped SoCs or when >40 MSPS sampling is needed; not drop-in compatible. |
Compared with AD9637BCPZRL7-40, AD9257BCPZRL7-40 offers higher resolution at the cost of power and price, while ADC3664IRSBT provides greater speed and modern interface capability but demands redesign of power and FPGA interface logic.
Availability
AD9637BCPZRL7-40 is available at Aetrix Electronics and suitable for medical imaging systems, optical network test equipment, and portable ultrasound devices requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for AD9637BCPZRL7-40 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, with design centers worldwide and a legacy of innovation in precision data conversion.
The AD9637 product line delivers highly integrated, low-power octal ADCs optimized for space-constrained, high-channel-count applications including medical ultrasound, communications infrastructure, and automated test systems.
FAQ
What is the maximum analog input frequency supported by the AD9637BCPZRL7-40?
The AD9637BCPZRL7-40 features a 650 MHz full-power analog bandwidth, enabling accurate digitization of signals up to 20 MHz (Nyquist-limited at 40 MSPS) with minimal amplitude roll-off. This bandwidth supports IF sampling in quadrature radio receivers and wideband ultrasound echo capture without external amplification.
Does the AD9637BCPZRL7-40 require an external voltage reference?
No, the AD9637BCPZRL7-40 includes an internal 1.0 V reference with ±1% accuracy over temperature. It can operate in buffered mode (VREF pin driven) or unbuffered mode (VREF pin left open), eliminating the need for external reference ICs and reducing BOM count and layout complexity.
How many channels does the AD9637BCPZRL7-40 support, and are they truly independent?
The AD9637BCPZRL7-40 integrates eight fully independent ADC channels (A–H), each with dedicated analog inputs (VIN±), LVDS serial outputs (D±), and configurable power-down control. Inter-channel crosstalk is −98 dB, confirming isolation sufficient for simultaneous multi-beam ultrasound acquisition.
What LVDS output standards does the AD9637BCPZRL7-40 support?
The AD9637BCPZRL7-40 supports two LVDS output modes: default ANSI-644 compliance (247–454 mV differential output voltage) and low-power reduced-swing mode (150–250 mV VOD), selectable via SPI. Both modes maintain signal integrity while optimizing EMI and power consumption for different system constraints.
Is the AD9637BCPZRL7-40 pin-compatible with other members of the AD9637 family?
Yes, all AD9637 variants-including AD9637BCPZRL7-40 (40 MSPS) and AD9637BCPZRL7-80 (80 MSPS)-share identical 64-lead LFCSP packaging and pinout. This allows hardware reuse across performance tiers, with only clocking and firmware configuration changes required to scale sampling rate.
AD9637BCPZRL7-40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 64-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 40M
- 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:
- -
AD9637BCPZRL7-40 FAQ
1.How can I place an order for AD9637BCPZRL7-40 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9637BCPZRL7-40 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 AD9637BCPZRL7-40 reliable?
The price and inventory of AD9637BCPZRL7-40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9637BCPZRL7-40 is usually 5 days.
3.What payment methods are accepted for AD9637BCPZRL7-40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9637BCPZRL7-40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9637BCPZRL7-40?
AD9637BCPZRL7-40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9637BCPZRL7-40 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 AD9637BCPZRL7-40?
For technical support, including AD9637BCPZRL7-40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9637BCPZRL7-40 requirements.
6.How does Aetrix verify that AD9637BCPZRL7-40 is sourced from the original manufacturer or authorized distributors?
All AD9637BCPZRL7-40 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 AD9637BCPZRL7-40 meets industry standards.
7.What is the process for return or replacement of AD9637BCPZRL7-40?
All AD9637BCPZRL7-40 units undergo pre-shipment inspection (PSI). If there is an issue with AD9637BCPZRL7-40, 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 AD9637BCPZRL7-40 part is unused and in its original packaging.
Return procedure for AD9637BCPZRL7-40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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