My Inquiry
My Account
Analog Devices Inc. AD9649BCPZ-40
- Part No.:
- AD9649BCPZ-40
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9649BCPZ-40.pdf
- Description:
- IC ADC 14BIT PIPELINED 32LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:832
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AD9649BCPZ-40 from Analog Devices is a monolithic 14-bit, 40 MSPS analog-to-digital converter operating from a single 1.8 V analog supply, featuring 700 MHz analog input bandwidth, 74.3 dBFS SNR at 9.7 MHz input, and on-chip voltage reference and sample-and-hold circuitry. It serves as the front-end digitizer in high-fidelity RF receivers for LTE and W-CDMA base stations.
For engineers reviewing the AD9649BCPZ-40 datasheet, AD9649BCPZ-40 pinout, AD9649BCPZ-40 application, or AD9649BCPZ-40 equivalent, key selection considerations include its 40 MSPS sampling rate, differential clock support (LVDS/LVPECL/CMOS), programmable data output format (offset binary/gray/twos complement), and industrial temperature range (−40°C to +85°C).
Technical Context
The AD9649BCPZ-40 employs a multistage differential pipeline architecture with output error correction logic to guarantee 14-bit accuracy and no missing codes across −40°C to +85°C. Its sample-and-hold circuit maintains performance up to 200 MHz input frequency while supporting 2 V p-p differential analog input swing.
It integrates a standard SPI interface for configuration of clock divider (1/2/4), DCO alignment, power-down modes, and built-in test pattern generation. Digital outputs are CMOS-compatible and support 1.8 V to 3.3 V driver supply (DRVDD), enabling direct interfacing with FPGA I/O banks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - guarantees monotonicity and no missing codes over full industrial temperature range |
| Sampling Rate | 40 MSPS - fixed maximum conversion rate for this variant; supports real-time digitization of IF signals up to 20 MHz Nyquist bandwidth |
| SNR @ 9.7 MHz | 74.3 dBFS - enables >12 ENOB for narrowband communications signals with high dynamic range requirements |
| Input Bandwidth | 700 MHz - allows direct sampling of L-band RF signals without external amplification or filtering degradation |
| Analog Supply | 1.8 V AVDD - reduces system power vs. legacy 3.3 V ADCs; requires dedicated low-noise LDO regulation |
| Digital Output Supply | 1.8 V to 3.3 V DRVDD - permits seamless interface with both low-voltage FPGAs and legacy 3.3 V logic families |
| Power Consumption | 57.2 mW at 40 MSPS (DRVDD = 1.8 V) - enables battery-powered instrumentation and portable ultrasound systems |
Pinout & Package
The AD9649BCPZ-40 is housed in a 32-lead RoHS-compliant LFCSP (5 mm × 5 mm) with exposed paddle soldered to analog ground for thermal and noise integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK+, CLK− | Differential clock input | Accepts LVDS, LVPECL, or 1.8 V CMOS; internal common-mode bias at 0.9 V enables robust clock jitter immunity |
| VIN+, VIN− | Differential analog input | 700 MHz bandwidth, 2 V p-p full-scale range; requires matched 100 Ω termination for optimal SFDR |
| D0 (LSB) to D13 (MSB) | Parallel digital output bus | 14-bit CMOS outputs; timing referenced to DCO; supports offset binary, gray, or twos complement formats |
| DCO | Data clock output | Programmable phase-aligned clock for synchronous latching by FPGA/ASIC; eliminates external clock distribution skew |
| CSB, SCLK/DFS, SDIO/PDWN | SPI control interface | 3-wire serial port with internal 30 kΩ pull-up (CSB) or pull-down (SCLK/DFS, SDIO/PDWN); enables runtime reconfiguration |
| VREF, SENSE | Reference control | Supports internal 1.0 V reference (default) or external reference; SENSE selects reference mode via resistor network |
| AVDD, DRVDD, EPAD | Power and ground | Separate analog (1.8 V) and digital driver (1.8–3.3 V) supplies; EPAD is sole ground connection and must be soldered to AGND plane |
Key Features
| Feature | Design Value |
|---|---|
| Programmable clock divider | Integer 1, 2, or 4 division enables flexible master clock sourcing from common system clocks (e.g., 80 MHz → 40 MSPS) |
| Built-in test pattern generation | Deterministic, pseudorandom, and user-defined patterns reduce board-level validation time and eliminate external signal generators |
| Data clock out (DCO) alignment | Programmable DCO phase shift ensures setup/hold compliance with downstream FPGA inputs across process/voltage/temperature |
| Low-power standby mode | 34 mW standby power (vs. 57.2 mW active) enables rapid wake-up (350 µs) for burst-mode acquisition in portable medical devices |
| Differential input architecture | Rejects common-mode noise and improves PSRR; supports transformer-coupled or balun-based RF front-ends without DC blocking |
Applications
| Communications Receiver | Portable Ultrasound |
|---|---|
|
Use Scenario: Digitizing 70 MHz IF signals in diversity radio systems for LTE/W-CDMA base stations. IC Role / Device Role / Timing Role: High-speed front-end ADC capturing complex baseband I/Q data with minimal quantization noise and harmonic distortion. Use Value: 74.3 dBFS SNR and 95.4 dBc SFDR at 40 MSPS enable >12-bit effective resolution for accurate channel estimation and MIMO processing. |
Use Scenario: Sampling echo return signals in handheld ultrasound probes with size and power constraints. IC Role / Device Role / Timing Role: Low-power, high-SNR digitizer converting analog beamformed RF echoes into digital domain for FPGA-based beamforming. Use Value: 57.2 mW power at 40 MSPS and 700 MHz input bandwidth allow integration into compact probe housings without active cooling. |
| Smart Antenna System | Battery-Powered Test Equipment |
|
Use Scenario: Multi-channel digitization in phased-array radar receivers requiring synchronized sampling across channels. IC Role / Device Role / Timing Role: Precision ADC providing deterministic latency (8-cycle pipeline delay) and programmable DCO alignment for inter-channel time coherence. Use Value: Fixed 8-cycle latency and sub-0.1 ns DCO-to-data skew ensure <10 ps channel-to-channel timing mismatch in TDD systems. |
Use Scenario: Real-time waveform capture in handheld oscilloscope meters with >20 MHz analog bandwidth requirement. IC Role / Device Role / Timing Role: Standalone digitizer core delivering 40 MSPS sampling with integrated reference and clock conditioning. Use Value: On-chip 1.0 V reference and sample-and-hold eliminate need for external precision components, reducing BOM count and layout area. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9629BCPZ-40 | 12-bit resolution, identical 32-lead LFCSP package and pinout; lower SNR (70.5 dBFS) and higher power (65 mW) | Lower dynamic range suitable for cost-sensitive IF sampling where 12-bit ENOB suffices | Select when system SNR budget allows ≤12-bit effective resolution and PCB footprint reuse is critical |
| AD9609BCPZ-40 | 10-bit resolution, same package and pinout; 45 mW power, 65.5 dBFS SNR at 9.7 MHz | Targeted at high-speed, low-cost applications like spectrum analyzers with relaxed linearity demands | Choose for ultra-low-power, high-throughput applications where 10-bit quantization meets signal fidelity requirements |
Compared with AD9649BCPZ-40, AD9629BCPZ-40 and AD9609BCPZ-40 offer pin-compatible migration paths with reduced resolution and power-enabling incremental performance scaling without board redesign, but requiring recalibration of gain and noise floor budgets.
Availability
AD9649BCPZ-40 is available at Aetrix Electronics and suitable for communications infrastructure, portable medical imaging, smart antenna systems, and battery-powered test equipment requiring stable component supply and long-term industrial-grade availability.
Supply support for AD9649BCPZ-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.
The AD9649 belongs to Analog Devices' high-speed data converter product line, designed specifically for demanding RF and IF digitization in wireless infrastructure, defense, and medical imaging systems where precision, bandwidth, and low power are co-optimized.
FAQ
What is the maximum analog input frequency supported by the AD9649BCPZ-40?
The AD9649BCPZ-40 supports analog input frequencies up to 200 MHz while maintaining specified AC performance (e.g., 71.5 dBFS SNR). Its 700 MHz small-signal analog input bandwidth ensures minimal amplitude roll-off and phase distortion for IF sampling applications within the first Nyquist zone.
Does the AD9649BCPZ-40 require an external voltage reference?
No-the AD9649BCPZ-40 includes an on-chip 1.0 V voltage reference that is enabled by default. External reference operation is optional and configured via the SENSE pin; the internal reference eliminates BOM cost and layout complexity for most applications.
Can the AD9649BCPZ-40 interface directly with a 3.3 V FPGA I/O bank?
Yes-the AD9649BCPZ-40 supports a separate digital output supply (DRVDD) ranging from 1.8 V to 3.3 V. When DRVDD = 3.3 V, its D0–D13 outputs and DCO meet 3.3 V CMOS voltage levels, enabling direct connection to 3.3 V FPGA I/O without level-shifting circuitry.
What is the pipeline latency of the AD9649BCPZ-40, and why does it matter?
The AD9649BCPZ-40 has a fixed pipeline latency of 8 clock cycles. This deterministic delay is critical for time-sensitive applications such as closed-loop radar beam steering or real-time digital downconversion, where precise synchronization between sampling and processing is required.
How does the AD9649BCPZ-40 manage power in portable applications?
The AD9649BCPZ-40 offers multiple low-power states: 57.2 mW active (40 MSPS), 34 mW standby, and 0.5 mW power-down. Its 350 µs wake-up time supports burst-mode acquisition in handheld ultrasound and scope meters, extending battery life without sacrificing responsiveness.
AD9649BCPZ-40 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 40M
- 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:
- External, Internal
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 1.9V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 32-LFCSP-VQ (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD9649BCPZ-40 FAQ
1.How can I place an order for AD9649BCPZ-40 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9649BCPZ-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 AD9649BCPZ-40 reliable?
The price and inventory of AD9649BCPZ-40 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9649BCPZ-40 is usually 5 days.
3.What payment methods are accepted for AD9649BCPZ-40?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9649BCPZ-40 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9649BCPZ-40?
AD9649BCPZ-40 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9649BCPZ-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 AD9649BCPZ-40?
For technical support, including AD9649BCPZ-40 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9649BCPZ-40 requirements.
6.How does Aetrix verify that AD9649BCPZ-40 is sourced from the original manufacturer or authorized distributors?
All AD9649BCPZ-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 AD9649BCPZ-40 meets industry standards.
7.What is the process for return or replacement of AD9649BCPZ-40?
All AD9649BCPZ-40 units undergo pre-shipment inspection (PSI). If there is an issue with AD9649BCPZ-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 AD9649BCPZ-40 part is unused and in its original packaging.
Return procedure for AD9649BCPZ-40:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AD9649BCPZ-40 Tags
-
ADC081C021CIMKX/NOPB
Texas Instruments
-
MCP3021A5T-E/OT
Microchip Technology
-
TLA2024IRUGR
Texas Instruments
-
MCP3221A5T-E/OT
Microchip Technology
-
MCP3221A5T-I/OT
Microchip Technology
-
MCP3221A4T-E/OT
Microchip Technology
-
MCP3221A6T-E/OT
Microchip Technology
-
MCP3221A0T-E/OT
Microchip Technology
-
MCP3221A1T-E/OT
Microchip Technology
-
ADC121S021CIMFX/NOPB
Texas Instruments
-
MCP3001-I/MS
Microchip Technology
-
MCP3001-I/SN
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
