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Analog Devices Inc. AD9640ABCPZ-150
- Part No.:
- AD9640ABCPZ-150
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD9640ABCPZ-150.pdf
- Description:
- IC ADC 14BIT PIPELINED 64LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:1,294
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Product details
Overview
AD9640ABCPZ-150 from Analog Devices is a dual-channel, 14-bit, 150 MSPS analog-to-digital converter optimized for IF sampling in communications receivers. It features differential 650 MHz analog input bandwidth, 71.6 dBc SNR at 70 MHz input, 84 dBc SFDR, 95 dB channel isolation, and operates from a single 1.8 V analog supply with configurable 1.8 V/3.3 V CMOS or 1.8 V LVDS digital outputs.
For engineers reviewing the AD9640ABCPZ-150 datasheet, AD9640ABCPZ-150 pinout, AD9640ABCPZ-150 application, or AD9640ABCPZ-150 equivalent, this page delivers verified specifications, package mapping, functional role in diversity radio and multimode receiver systems, and validated alternative options for LTE/WCDMA baseband digitization.
Technical Context
The AD9640ABCPZ-150 implements a multistage differential pipelined ADC architecture with integrated error correction logic per channel. Its duty cycle stabilizer (DCS) compensates for clock duty cycle variation, enabling stable performance up to 625 MHz input clock rate with integer 1–8 clock division.
It integrates fast detect (4-bit magnitude latency <1 cycle), programmable threshold monitoring, and a dedicated signal monitor block with serial SPORT output - all supporting real-time AGC in I/Q demodulation systems. The internal 1.0 V reference and flexible 1–2 Vp-p analog input range simplify front-end design for RF-sampled architectures.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution & Sampling Rate | 14-bit dual ADC, 150 MSPS maximum conversion rate - supports high-fidelity digitization of wideband IF signals up to 450 MHz. |
| SNR / SFDR @ 70 MHz | 71.6 dBc SNR and 84 dBc SFDR - enables >11.5 ENOB for LTE/WCDMA signal capture with minimal distortion. |
| Analog Input Bandwidth | 650 MHz differential - preserves signal integrity for direct IF sampling without external anti-alias filtering below Nyquist. |
| Power Consumption | 820 mW at 150 MSPS (DRVDD = 3.3 V) - balances performance and thermal load in compact 9 mm × 9 mm LFCSP packages. |
| Channel Isolation | 95 dB crosstalk - ensures independent operation of dual channels in diversity receiver or MIMO applications. |
| Digital Output Interface | Configurable 14-bit CMOS (1.8–3.3 V) or LVDS (1.8 V) - interoperable with FPGA I/O banks across Xilinx, Intel, and Lattice families. |
| Input Clock Flexibility | Integer 1–8 clock divider + DCS - accommodates non-50% duty cycle clocks from synthesizers or PLLs without SNR degradation. |
Pinout & Package
The AD9640ABCPZ-150 is housed in a 64-lead, 9 mm × 9 mm LFCSP package with exposed paddle thermally and electrically connected to AGND. Pin assignments are defined per Analog Devices' Rev. C datasheet Figure 16 (Pin Configurations and Function Descriptions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN+A / VIN−A VIN+B / VIN−B |
Differential analog inputs (Ch A & Ch B) | Accept 1–2 Vp-p differential signals up to 450 MHz; 650 MHz bandwidth enables direct IF sampling. |
| CLK+ / CLK− | Differential clock input | Supports CMOS/LVDS/LVPECL; DCS corrects duty cycle to maintain aperture jitter ≤0.1 ps rms. |
| D0A–D13A / D0B–D13B | 14-bit parallel digital outputs (Ch A & Ch B) | CMOS or LVDS configurable; timing referenced to DCOA/DCOB for synchronous capture in FPGA logic. |
| FD0A–FD3A / FD0B–FD3B | Fast detect magnitude outputs | 4-bit instantaneous signal level per channel (<1-cycle latency) for AGC loop control and overrange detection. |
| SYNC | Channel synchronization input | Aligns sampling phase across multiple AD9640 devices in time-interleaved or MIMO configurations. |
| SDIO / SCLK / CSB | 3-wire SPI interface | Configures register settings including gain, thresholds, BIST, and output format (offset binary/twos complement/gray). |
Key Features
| Feature | Design Value |
|---|---|
| Built-in self-test (BIST) | On-chip ramp, sine, and noise patterns verify ADC functionality without external test equipment during production or field calibration. |
| Signal monitor block | Dedicated hardware computes composite RMS/peak magnitude with serial SPORT output - offloads DSP resources in software-defined radios. |
| Programmable fast detect thresholds | Independent upper/lower thresholds per channel (set via Registers 0x106–0x109) enable adaptive gain switching within <1 µs latency. |
| Flexible power management | Standby (77 mW) and full power-down (≤6 mW) modes allow dynamic power scaling in burst-mode receivers or battery-powered nodes. |
| Internal voltage reference | 1.0 V ±15 mV reference with 7 mV load regulation eliminates need for external precision reference, reducing BOM count and layout area. |
Applications
| Base Station Diversity Receiver | LTE/WCDMA Multimode Digital Front End |
|---|---|
|
Use Scenario: Dual-path RF front end in macrocell base stations using antenna diversity to mitigate fading. IC Role / Device Role / Timing Role: Simultaneous digitization of two independent IF signals (e.g., 185–215 MHz) with matched gain/phase response and sub-ns inter-channel skew. Use Value: 95 dB crosstalk and <100 ps channel-to-channel skew ensure accurate beamforming and spatial processing in real time. |
Use Scenario: Wideband digitization of multi-carrier LTE and WCDMA signals in small-cell or remote radio head units. IC Role / Device Role / Timing Role: Dual 14-bit ADC capturing 2× 20 MHz LTE carriers or 3× 5 MHz WCDMA carriers with shared clock and SYNC alignment. Use Value: 150 MSPS sampling and 650 MHz input bandwidth support zero-IF or low-IF architectures without image-reject filtering. |
| Software-Defined Radio (SDR) Transceiver | I/Q Demodulation System for WiMAX/TD-SCDMA |
|
Use Scenario: Reconfigurable transceiver platform requiring dynamic ADC resolution, sample rate, and input range adaptation. IC Role / Device Role / Timing Role: Dual ADC core feeding FPGA-based digital downconverters (DDCs); SPI registers enable runtime reconfiguration of DCS, thresholds, and output format. Use Value: Integer clock divider and programmable fast detect allow seamless mode switching between narrowband (e.g., TD-SCDMA) and broadband (e.g., WiMAX) standards. |
Use Scenario: High-isolation I/Q sampling in TDD systems where transmit leakage must be suppressed during receive windows. IC Role / Device Role / Timing Role: Digitizes quadrature-mixed IF outputs with independent fast detect bits triggering automatic gain reduction before overload. Use Value: 4-bit fast detect latency <1 cycle and fine threshold registers (0x106–0x109) enable sub-µs AGC response critical for TDD guard-band timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9627BCPZ-125 | 12-bit, 125 MSPS, same 64-lead LFCSP package and pinout; lower resolution but reduced power (520 mW) and cost. | Suitable for lower dynamic range requirements (e.g., legacy GSM/EDGE), not recommended for LTE/WCDMA where 14-bit ENOB is required. | Select when system SNR budget allows ≤70 dBc and power envelope is constrained; no PCB changes needed due to pin compatibility. |
| AD9680BCPZ-500 | 14-bit, 500 MSPS, JESD204B serial output, 72-lead LFCSP; higher speed and digital interface complexity, 1.25× larger footprint. | Required for direct RF sampling above 200 MHz or JESD204B FPGA integration; not drop-in compatible due to different pin count and protocol stack. | Choose for next-generation wideband systems needing >200 MHz instantaneous bandwidth or deterministic latency via JESD204B subclass 1. |
Compared with AD9640ABCPZ-150, AD9627BCPZ-125 trades resolution for lower power and cost in legacy wireless standards, while AD9680BCPZ-500 adds JESD204B and speed at the expense of layout redesign and FPGA firmware effort - making AD9640ABCPZ-150 optimal for balanced IF-sampling designs targeting 100–200 MHz bandwidth.
Availability
AD9640ABCPZ-150 is available at Aetrix Electronics and suitable for LTE base station development, WCDMA femtocell deployment, and software-defined radio prototyping requiring stable component supply and long-term industrial temperature support (−40°C to +85°C).
Supply support for AD9640ABCPZ-150 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, serving communications, industrial, automotive, and healthcare markets since 1965.
The AD9640 product line targets cost-sensitive, space-constrained communications infrastructure with dual-channel ADCs offering integrated AGC assist functions, flexible digital interfaces, and single-supply operation - specifically engineered for diversity receivers and multimode baseband digitization.
FAQ
What is the maximum analog input frequency supported by the AD9640ABCPZ-150?
The AD9640ABCPZ-150 supports analog input frequencies up to 450 MHz while maintaining specified SNR and SFDR performance, enabled by its 650 MHz differential input bandwidth and proprietary input structure. This capability allows direct IF sampling in LTE and WiMAX receivers without external bandpass filtering, reducing system complexity and insertion loss.
Does the AD9640ABCPZ-150 require an external voltage reference?
No, the AD9640ABCPZ-150 includes an internal 1.0 V voltage reference with ±15 mV output error and 7 mV load regulation, eliminating the need for an external reference. This simplifies board layout, reduces BOM count, and improves system-level accuracy stability across temperature, as confirmed in Table 2 of the Rev. C datasheet.
How does the fast detect feature of the AD9640ABCPZ-150 reduce AGC latency?
The AD9640ABCPZ-150's fast detect outputs deliver 4-bit magnitude information with <1-cycle latency - significantly faster than reading full 14-bit samples. This enables sub-microsecond AGC response when combined with programmable upper/lower thresholds (Registers 0x106–0x109), preventing ADC overrange in burst-mode or TDD systems.
Can the AD9640ABCPZ-150 operate with a non-50% duty cycle clock?
Yes, the AD9640ABCPZ-150 incorporates an integrated duty cycle stabilizer (DCS) that corrects clock duty cycle variations, allowing it to maintain ≤0.1 ps rms aperture jitter and full AC performance even with input clocks deviating from 50% duty cycle - a key advantage over ADCs requiring external DCS circuitry.
What digital output formats does the AD9640ABCPZ-150 support?
The AD9640ABCPZ-150 supports offset binary, twos complement, and gray code output formats, selectable via SPI register configuration (Register 0x14). This flexibility allows seamless interfacing with diverse FPGA logic families and digital signal processors without external data formatting logic.
AD9640ABCPZ-150 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:
- 14
- Sampling Rate (Per Second):
- 150M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- 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:
- -
AD9640ABCPZ-150 FAQ
1.How can I place an order for AD9640ABCPZ-150 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD9640ABCPZ-150 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 AD9640ABCPZ-150 reliable?
The price and inventory of AD9640ABCPZ-150 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9640ABCPZ-150 is usually 5 days.
3.What payment methods are accepted for AD9640ABCPZ-150?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9640ABCPZ-150 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD9640ABCPZ-150?
AD9640ABCPZ-150 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD9640ABCPZ-150 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 AD9640ABCPZ-150?
For technical support, including AD9640ABCPZ-150 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9640ABCPZ-150 requirements.
6.How does Aetrix verify that AD9640ABCPZ-150 is sourced from the original manufacturer or authorized distributors?
All AD9640ABCPZ-150 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 AD9640ABCPZ-150 meets industry standards.
7.What is the process for return or replacement of AD9640ABCPZ-150?
All AD9640ABCPZ-150 units undergo pre-shipment inspection (PSI). If there is an issue with AD9640ABCPZ-150, 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 AD9640ABCPZ-150 part is unused and in its original packaging.
Return procedure for AD9640ABCPZ-150:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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