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Analog Devices Inc. AD9265BCPZRL7-80

Part No.:
AD9265BCPZRL7-80
Manufacturer:
Analog Devices Inc.
Category:
Analog to Digital Converters (ADC)
Package:
48-VFQFN Exposed Pad, CSP
Datasheet:
AetrixAD9265BCPZRL7-80.pdf
Description:
IC ADC 16BIT PIPELINED 48LFCSP
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:2,897

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Product details

Overview

AD9265BCPZRL7-80 from Analog Devices is a 16-bit, 80 MSPS analog-to-digital converter with differential 650 MHz input bandwidth, 1.8 V analog supply operation, and selectable CMOS or LVDS DDR output interface-designed for IF sampling in multimode digital receivers including LTE, W-CDMA, and TD-SCDMA base stations.

For engineers reviewing the AD9265BCPZRL7-80 datasheet, AD9265BCPZRL7-80 pinout, AD9265BCPZRL7-80 application, or AD9265BCPZRL7-80 equivalent, key selection criteria include its guaranteed no-missing-codes performance over −40°C to +85°C, on-chip dither for SFDR enhancement, integer 1-to-8 clock divider, and support for 1 Vp-p to 2 Vp-p flexible analog input range.

Technical Context

The AD9265BCPZRL7-80 implements a multistage differential pipelined ADC architecture with integrated error correction logic, enabling 16-bit accuracy at 80 MSPS while guaranteeing no missing codes across the industrial temperature range. Its analog front end features a wideband track-and-hold amplifier optimized for IF sampling up to 300 MHz.

It supports dual-output modes: parallel 1.8 V CMOS or interleaved LVDS DDR, with a dedicated data clock output (DCO) for timing alignment. Clock management includes a duty cycle stabilizer (DCS) and programmable integer division (1–8), allowing robust operation with non-50% duty-cycle clocks and simplified system clock tree design.

Key Specifications

Parameter Value and Actual Design Meaning
Resolution 16-bit-guarantees monotonicity and no missing codes over full temperature range.
Max Sampling Rate 80 MSPS-supports Nyquist-sampled baseband or undersampled IF signals up to 300 MHz.
SNR @ 70 MHz 79.7 dBFS (typ)-enables high-fidelity digitization of narrowband RF carriers in cellular infrastructure.
SFDR @ 70 MHz 94 dBc (typ) without dither; 110 dBc (typ) with on-chip dither-critical for adjacent-channel rejection in dense spectrum environments.
Analog Input Bandwidth 650 MHz-preserves signal integrity for wideband IF inputs and enables direct sampling of L-band signals.
Power Consumption 323 mW (DC input, CMOS mode) / 394 mW (sine input, CMOS mode)-optimized for power-constrained remote radio units and small-cell base stations.
Supply Voltages AVDD = 1.8 V, DRVDD = 1.8 V, SVDD = 1.8 V-single-supply analog core simplifies PCB power delivery and reduces BOM count.

Pinout & Package

The AD9265BCPZRL7-80 is housed in a Pb-free, 48-lead LFCSP (CP-48-9) package with an exposed thermal pad that must be soldered to AGND for proper analog grounding and thermal performance.

Pin/Terminal Circuit Role Design Meaning
VIN+, VIN− Differential analog input Accepts 1 Vp-p to 2 Vp-p input span; 650 MHz bandwidth supports IF sampling up to 300 MHz.
CLK+, CLK− Differential clock input Supports CMOS/LVDS/LVPECL; internal DCS compensates for duty-cycle variation to maintain SNR/SFDR.
D0–D15 Parallel digital outputs 16-bit DDR data bus; configurable as 1.8 V CMOS or interleaved LVDS for noise-immune high-speed interface.
DCO Data clock output Source-synchronous clock aligned to D0–D15 edges; essential for reliable capture by FPGA/ASIC receivers.
PDWN, OEB Power and output control Hardware-controlled power-down (<0.15 mW) and output enable allow dynamic power gating in burst-mode systems.
SCLK/DFS, SDIO/DCS, CSB SPI serial interface 3-wire SPI configures data format (offset binary/twos complement), DCS, dither, reference mode, and test functions.

Key Features

Feature Design Value
On-chip dither Improves SFDR by ≥15 dB at low-input-power conditions (e.g., −23 dBFS), critical for weak-signal detection in multi-carrier receivers.
Duty cycle stabilizer (DCS) Enables stable AC performance with input clocks having 30%–70% duty cycle-eliminates need for external clock conditioning circuitry.
Integer 1-to-8 clock divider Allows use of lower-frequency, lower-jitter master clocks (e.g., 160 MHz ÷ 2 = 80 MSPS), reducing EMI and simplifying clock synthesis.
Programmable voltage reference Internal 1.0 V reference with ±12 mV error; SENSE pin selects internal/external reference mode-reduces external component count and layout sensitivity.
Built-in self-test (BIST) User-configurable digital pattern generation (ramp, checkerboard, pseudo-random) enables in-system ADC functional verification without analog stimulus.

Applications

Cellular Base Station Receiver Software-Defined Radio (SDR)

Use Scenario: Digitizing 70–200 MHz IF signals from RF front-end in LTE/FDD and TDD macrocells.

IC Role / Device Role / Timing Role: Primary ADC in receive chain; provides 16-bit resolution and 79.7 dBFS SNR at 70 MHz for high-modulation-depth demodulation.

Use Value: Enables 256-QAM and higher-order modulation support with sufficient ENOB (>12.8 bits) and SFDR (>94 dBc) to meet 3GPP ACLR requirements.

Use Scenario: Reconfigurable wideband receiver in military or test equipment supporting multiple waveforms (e.g., GSM, WiMAX, LTE).

IC Role / Device Role / Timing Role: High-dynamic-range digitizer with programmable clock divider and SPI configuration-adapts sample rate and interface per waveform standard.

Use Value: Single hardware platform accommodates 80/105/125 MSPS variants via pin-compatible family; reduces inventory and design reuse effort.

Ultrasound Beamforming Smart Antenna System

Use Scenario: Channel digitization in portable ultrasound systems requiring low power and high SNR at 5–15 MHz baseband frequencies.

IC Role / Device Role / Timing Role: Low-noise ADC with −154.3 dBm/Hz input noise density and 2.26 LSBrms input-referred noise-preserves weak echo signal fidelity.

Use Value: Supports >120 dB dynamic range imaging; on-chip dither improves harmonic suppression for cleaner B-mode image reconstruction.

Use Scenario: Multi-antenna array receiver processing simultaneous signals from spatially diverse elements in MIMO or beam-steering systems.

IC Role / Device Role / Timing Role: Synchronized ADC across channels using shared CLK+/CLK− and SYNC pin-ensures sub-ns inter-channel skew for coherent processing.

Use Value: Pipeline latency of 12 cycles (CMOS) or 12.5 cycles (LVDS) enables deterministic real-time DSP; LVDS DDR interface minimizes routing congestion in dense arrays.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance ADC applications.

Alternative Part Technical Difference Application Difference Selection Advice
AD9265BCPZ-80 Same die, non-tape-and-reel packaging; lacks RL7 tape-and-reel designation; identical electrical specs and pinout. No difference in system integration; suitable for prototyping or low-volume builds where reel packaging is unnecessary. Select AD9265BCPZRL7-80 for automated SMT production; AD9265BCPZ-80 for evaluation or small-batch assembly.
AD9255BCPZ-80 14-bit, pin-compatible variant with identical LFCSP-48 package, clocking, and SPI interface-but lower resolution and 76.5 dBFS SNR at 70 MHz. Applicable where 14-bit ENOB suffices (e.g., legacy 3G systems); not suitable for LTE-A or high-order QAM. Choose AD9255BCPZ-80 only when resolution and dynamic range requirements are relaxed; verify SFDR meets system ACLR budget.

Compared with AD9265BCPZ-80, the AD9265BCPZ-80 offers identical performance in a different packaging format, while the AD9255BCPZ-80 trades 2-bit resolution for lower cost and power-making it viable only in applications where 14-bit ENOB and reduced SFDR are acceptable.

Availability

AD9265BCPZRL7-80 is available at Aetrix Electronics and suitable for cellular infrastructure, medical ultrasound, software-defined radio, and smart antenna systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for AD9265BCPZRL7-80 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with R&D and manufacturing operations worldwide.

The AD9265 product line delivers high-speed, high-resolution ADCs optimized for communications infrastructure-specifically targeting IF sampling in 3G/4G/5G base stations, radar, and instrumentation where SNR, SFDR, and power efficiency are critical.

FAQ

What is the maximum analog input frequency supported by the AD9265BCPZRL7-80?

The AD9265BCPZRL7-80 supports analog input frequencies up to 300 MHz in undersampling (IF sampling) applications, enabled by its 650 MHz analog input bandwidth and 16-bit pipeline architecture. At 80 MSPS, the Nyquist zone extends to 40 MHz, but the device maintains usable SNR and SFDR performance well beyond that-verified to 200 MHz (75.6 dBFS SNR) and specified for IF sampling to 300 MHz per the datasheet's "IF sampling frequencies to 300 MHz" feature statement. The AD9265BCPZRL7-80 achieves this through proprietary differential input design and optimized track-and-hold circuitry.

Does the AD9265BCPZRL7-80 support both CMOS and LVDS output interfaces?

Yes, the AD9265BCPZRL7-80 supports both 1.8 V parallel CMOS and interleaved LVDS DDR output modes. Output interface selection is controlled via the LVDS and LVDS_RS pins (hardware mode) or SPI register configuration. In LVDS mode, it delivers ANSI-compliant differential output voltage (290–400 mV) and supports reduced-swing mode for lower power. The AD9265BCPZRL7-80 includes a dedicated DCO pin for source-synchronous timing in either mode, ensuring reliable data capture in FPGA-based receivers.

How does the on-chip dither function improve performance of the AD9265BCPZRL7-80?

The on-chip dither in the AD9265BCPZRL7-80 injects a small, uncorrelated noise signal into the ADC core to randomize quantization distortion-thereby converting harmonic distortion into broadband noise and significantly improving SFDR. At −23 dBFS input, dither boosts SFDR from 96 dBc to 108–110 dBc (typ) at 70 MHz. This is especially valuable in multi-carrier systems where spurious tones can violate spectral mask requirements. The AD9265BCPZRL7-80 allows dither activation via the DITHER pin or SPI register, providing flexibility for dynamic system optimization.

What is the purpose of the SYNC pin on the AD9265BCPZRL7-80?

The SYNC pin on the AD9265BCPZRL7-80 provides deterministic synchronization across multiple ADCs in time-aligned sampling systems, such as MIMO or phased-array receivers. When asserted synchronously with the clock edge, SYNC resets the internal pipeline and aligns output data latency across devices. It operates in slave mode only and requires precise setup/hold timing (tSSYNC = 0.3 ns, tHSYNC = 0.4 ns). The AD9265BCPZRL7-80 uses SYNC to achieve sub-nanosecond inter-channel skew-essential for coherent beamforming and channel calibration.

Is the AD9265BCPZRL7-80 pin-compatible with other members of the AD9265 family?

Yes, the AD9265BCPZRL7-80 is fully pin-compatible with the AD9265BCPZ-105 and AD9265BCPZ-125 variants, sharing the same 48-lead LFCSP package, pinout, power domains, and interface signals. Differences are limited to maximum sampling rate (80/105/125 MSPS), corresponding power consumption, and AC performance scaling-allowing drop-in upgrades or downgrades based on system bandwidth needs. The AD9265BCPZRL7-80 also maintains pin compatibility with the 14-bit AD9255 family, enabling resolution-flexible platform design.

AD9265BCPZRL7-80 Specifications

Product attributes
Attribute value
Manufacturer:
Analog Devices Inc.
Series:
-
Package/Case:
48-VFQFN Exposed Pad, CSP
Packaging:
Tape & Reel (TR)
Product Status:
Active
Number of Bits:
16
Sampling Rate (Per Second):
80M
Number of Inputs:
1
Input Type:
Differential
Data Interface:
LVDS - 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:
48-LFCSP-VQ (7x7)
Mounting Type:
Surface Mount
Grade:
-
Qualification:
-

AD9265BCPZRL7-80 FAQ

1.How can I place an order for AD9265BCPZRL7-80 through Aetrix?

Please submit a Request for Quotation (RFQ) for AD9265BCPZRL7-80 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 AD9265BCPZRL7-80 reliable?

The price and inventory of AD9265BCPZRL7-80 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9265BCPZRL7-80 is usually 5 days.

3.What payment methods are accepted for AD9265BCPZRL7-80?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9265BCPZRL7-80 transactions.

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4.How is shipping managed for AD9265BCPZRL7-80?

AD9265BCPZRL7-80 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD9265BCPZRL7-80 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 AD9265BCPZRL7-80?

For technical support, including AD9265BCPZRL7-80 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9265BCPZRL7-80 requirements.

6.How does Aetrix verify that AD9265BCPZRL7-80 is sourced from the original manufacturer or authorized distributors?

All AD9265BCPZRL7-80 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 AD9265BCPZRL7-80 meets industry standards.

7.What is the process for return or replacement of AD9265BCPZRL7-80?

All AD9265BCPZRL7-80 units undergo pre-shipment inspection (PSI). If there is an issue with AD9265BCPZRL7-80, 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 AD9265BCPZRL7-80 part is unused and in its original packaging.

Return procedure for AD9265BCPZRL7-80:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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