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Home > Products > Integrated Circuits (ICs) > Data Acquisition > Analog to Digital Converters (ADC)

Analog Devices Inc. AD9257TCPZ-65-CSL

Name: AD9257TCPZ-65-CSL
Brand: Analog Devices Inc.
SKU: AD9257TCPZ-65-CSL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AD9257TCPZ-65-CSL

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

Package:: 64-WFQFN Exposed Pad, CSP

Datasheet:: AD9257TCPZ-65-CSL.pdf

Description:: COMSPACE 14 BIT 65MSPS 1.8V OCTA

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Product details

Overview

AD9257TCPZ-65-CSL from Analog Devices is an octal, 14-bit, 65 MSPS serial LVDS analog-to-digital converter optimized for space-grade signal acquisition in radiation-hardened systems. It delivers 75.5 dB SNR and 91 dBc SFDR at 30.5 MHz input, operates from a single 1.8 V supply, and features 650 MHz full-power analog bandwidth - enabling high-fidelity digitization of wideband RF and imaging signals in LEO payloads.

For engineers reviewing the AD9257TCPZ-65-CSL datasheet, AD9257TCPZ-65-CSL pinout, AD9257TCPZ-65-CSL application, or AD9257TCPZ-65-CSL equivalent, key selection criteria include its military temperature range (−55°C to +125°C), RoHS-compliant 64-lead LFCSP package with exposed thermal pad, serial LVDS output compliance (ANSI-644), and built-in digital test pattern generation via SPI interface.

Technical Context

The AD9257TCPZ-65-CSL integrates eight independent 14-bit ADC cores sharing a common sample-and-hold and clock distribution network, with each channel supporting programmable power-down and individual gain/offset calibration. Its on-chip 1.0 V reference, 2 V p-p differential input range, and LVDS serializer eliminate external support components in compact space-constrained designs.

It employs a pipeline architecture with 16-clock-cycle latency and supports dual-mode LVDS output: standard ANSI-644 (±350 mV VOD) and low-power reduced-signal mode (±200 mV VOD). Clock alignment, data bit orientation, and output resolution are fully configurable via SPI, while DCO and FCO outputs enable synchronous DDR capture at up to 455 MHz.

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	14 bits - enables precise digitization of high-dynamic-range sensor and RF signals without external dithering.
Sampling Rate	65 MSPS - supports Nyquist-limited bandwidth up to 32.5 MHz per channel for real-time baseband sampling.
SNR / SFDR	75.5 dB / 91 dBc at 30.5 MHz - ensures clean spectral representation for quadrature receiver I/Q demodulation.
Analog Bandwidth	650 MHz - preserves signal integrity for wideband IF sampling applications including optical imaging front ends.
Supply Voltage	1.8 V AVDD/DRVDD - reduces system-level power delivery complexity and enables direct integration with low-voltage FPGAs.
Power per Channel	55 mW at 65 MSPS - allows eight-channel digitization within 464–547 mW total dissipation, critical for thermal-limited spacecraft payloads.
Operating Temperature	−55°C to +125°C - qualified for extended mission life in uncontrolled orbital environments without derating.
Radiation Tolerance	30 krad TID, SEL immune - meets commercial space radiation benchmarks for LEO deployment without shielding overhead.

Pinout & Package

The AD9257TCPZ-65-CSL is housed in a RoHS-compliant 64-lead lead frame chip scale package (LFCSP), 9 mm × 9 mm × 0.75 mm with exposed thermal pad (CP-64-17). The exposed pad must be soldered to the PCB ground plane to ensure thermal reliability and analog performance stability.

Pin/Terminal	Circuit Role	Design Meaning
AGND (Pin 0, Exposed Pad)	Analog Ground Reference	Primary analog return path; exposed pad must be connected to solid ground plane for thermal management and noise control.
VIN+ A / VIN− A (Pins 43, 44)	Differential Analog Input Channel A	Accepts 2 V p-p differential signal with 0.9 V common-mode; matched pair for high-accuracy sampling.
CLK+ / CLK− (Pins 9, 10)	Differential Sample Clock Input	LVDS/LVPECL/CMOS-compatible; supports up to 520 MHz clock rate with 7.69 ns pulse width minimum.
D+ A / D− A (Pins 33, 34)	LVDS Serial Data Output Channel A	DDR-output, twos-complement coded; VOD = ±247–±454 mV (ANSI-644 mode) for robust noise immunity.
DCO+ / DCO− (Pins 23, 24)	Data Capture Clock Output	Provides synchronized DDR clock at f_SAMPLE/28 for FPGA input capture; propagation delay ≤3.1 ns.
FCO+ / FCO− (Pins 25, 26)	Frame Clock Output	Signals byte boundary for multi-channel serialization; aligned to DCO with sub-nanosecond skew control.
SCLK/DTP (Pin 38)	SPI Clock / Test Pattern Control	Configures device settings (clock alignment, resolution, test patterns) at up to 25 MHz SCLK frequency.
PDWN (Pin 41)	Global Power-Down Enable	Reduces total dissipation to 1 mW when all channels disabled; wake-up time = 375 μs from full power-down.

Key Features

Feature	Design Value
Octal 14-bit ADC in single LFCSP	Enables eight simultaneous high-resolution digitization paths in <81 mm² footprint - eliminates board area penalty of discrete ADC arrays.
Programmable LVDS output modes	Switches between ANSI-644 (±350 mV) and low-power reduced-signal (±200 mV) LVDS to match FPGA receiver thresholds and reduce EMI.
Built-in digital test pattern generation	Supports deterministic, pseudorandom, and custom user-defined patterns via SPI - accelerates production test and system validation without external pattern generators.
Fully configurable SPI interface	Allows runtime adjustment of clock/data alignment, output resolution (12/14-bit), bit orientation, and channel power states - simplifies firmware-driven calibration.
Military-grade radiation qualification	Validated to 30 krad TID with biased annealing and SEL immunity - removes need for additional radiation mitigation in LEO missions.
Integrated 1.0 V reference & bias control	Eliminates external reference IC and RBIAS resistor network; VREF output stable to ±10 mV over temperature and load.

Applications

Quadrature Radio Receiver	Optical Imaging Sensor Interface
Use Scenario: Digitizing I/Q baseband outputs from RF downconverters in software-defined radios deployed on small satellites. IC Role / Device Role / Timing Role: Octal ADC simultaneously samples four I/Q pairs at 65 MSPS with synchronized DCO/FCO timing for coherent phase recovery. Use Value: 75.5 dB SNR preserves modulation fidelity for QPSK/16-QAM; 91 dBc SFDR suppresses adjacent channel interference in dense spectrum environments.	Use Scenario: Capturing high-speed line-scan or area-scan image data from CMOS/CCD sensors in Earth observation payloads. IC Role / Device Role / Timing Role: Eight parallel ADC channels digitize multi-tap sensor outputs with sub-ns aperture jitter (0.1 ps rms) for pixel-level accuracy. Use Value: 650 MHz analog bandwidth supports >100 MHz pixel clock harmonics; 14-bit resolution enables >87 dB dynamic range for contrast-rich imagery.
Low Earth Orbit (LEO) Payload Acquisition	Spacecraft Telemetry & Health Monitoring
Use Scenario: High-fidelity digitization of scientific instrument signals (e.g., spectrometer, particle detector) aboard CubeSats and microsatellites. IC Role / Device Role / Timing Role: Radiation-hardened ADC core acquires analog telemetry with on-chip calibration and deterministic latency (16 clock cycles). Use Value: −55°C to +125°C operation avoids heater/cooler subsystems; 30 krad TID rating ensures >5-year mission lifetime without parameter drift.	Use Scenario: Consolidating voltage, current, temperature, and pressure sensor readings across avionics bays into a unified digital telemetry stream. IC Role / Device Role / Timing Role: Multi-channel ADC aggregates diverse analog health metrics with programmable gain/offset matching (±0.23% FSR offset match). Use Value: Individual channel power-down reduces idle power to 1 mW; SPI-configurable standby mode (92 mW) extends battery life during dormancy.

Quadrature Radio Receiver

Optical Imaging Sensor Interface

Use Scenario: Digitizing I/Q baseband outputs from RF downconverters in software-defined radios deployed on small satellites.

IC Role / Device Role / Timing Role: Octal ADC simultaneously samples four I/Q pairs at 65 MSPS with synchronized DCO/FCO timing for coherent phase recovery.

Use Value: 75.5 dB SNR preserves modulation fidelity for QPSK/16-QAM; 91 dBc SFDR suppresses adjacent channel interference in dense spectrum environments.

Use Scenario: Capturing high-speed line-scan or area-scan image data from CMOS/CCD sensors in Earth observation payloads.

IC Role / Device Role / Timing Role: Eight parallel ADC channels digitize multi-tap sensor outputs with sub-ns aperture jitter (0.1 ps rms) for pixel-level accuracy.

Use Value: 650 MHz analog bandwidth supports >100 MHz pixel clock harmonics; 14-bit resolution enables >87 dB dynamic range for contrast-rich imagery.

Low Earth Orbit (LEO) Payload Acquisition

Spacecraft Telemetry & Health Monitoring

Use Scenario: High-fidelity digitization of scientific instrument signals (e.g., spectrometer, particle detector) aboard CubeSats and microsatellites.

IC Role / Device Role / Timing Role: Radiation-hardened ADC core acquires analog telemetry with on-chip calibration and deterministic latency (16 clock cycles).

Use Value: −55°C to +125°C operation avoids heater/cooler subsystems; 30 krad TID rating ensures >5-year mission lifetime without parameter drift.

Use Scenario: Consolidating voltage, current, temperature, and pressure sensor readings across avionics bays into a unified digital telemetry stream.

IC Role / Device Role / Timing Role: Multi-channel ADC aggregates diverse analog health metrics with programmable gain/offset matching (±0.23% FSR offset match).

Use Value: Individual channel power-down reduces idle power to 1 mW; SPI-configurable standby mode (92 mW) extends battery life during dormancy.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal, space-qualified ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD9257TCPZ-80-CSL	Higher sampling rate (80 MSPS) with identical 14-bit resolution, package, and radiation specs; consumes ~15% more power at full rate.	Required where Nyquist bandwidth >32.5 MHz (e.g., wider IF bands or higher oversampling ratios).	Select when system clock budget permits higher sample rates and SNR/SFDR trade-offs at >40 MHz input frequencies are acceptable.
AD9637TCPZ-65-CSL	12-bit octal ADC, pin-compatible with AD9257TCPZ-65-CSL; lower power (35 mW/channel), reduced SNR (70.5 dB), and no radiation qualification.	Suitable for non-space industrial or test equipment where cost and power dominate over resolution and radiation tolerance.	Choose only for terrestrial applications requiring mechanical compatibility but not radiation hardening or 14-bit precision.

Compared with AD9257TCPZ-65-CSL, the AD9257TCPZ-80-CSL offers higher bandwidth at the expense of power and high-frequency SNR, while the AD9637TCPZ-65-CSL sacrifices resolution and radiation assurance for cost-sensitive terrestrial use - neither is a drop-in replacement without requalification.

Availability

AD9257TCPZ-65-CSL is available at Aetrix Electronics and suitable for low Earth orbit (LEO) payloads, quadrature radio receivers, and optical imaging systems requiring stable component supply under extended temperature and radiation constraints.

Supply support for AD9257TCPZ-65-CSL 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, serving aerospace, industrial, and communications markets with precision data conversion and RF technologies.

The AD9257 product line delivers radiation-tolerant, high-speed ADCs for commercial space applications - designed specifically to replace legacy rad-hard solutions with smaller size, lower power, and simplified system integration.

FAQ

What is the operating temperature range of the AD9257TCPZ-65-CSL?

The AD9257TCPZ-65-CSL is specified for continuous operation from −55°C to +125°C ambient temperature. This military-grade range is validated across all electrical parameters in the datasheet and supports deployment in unheated/uncooled LEO satellite bays without thermal derating.

Does the AD9257TCPZ-65-CSL require an external voltage reference?

No, the AD9257TCPZ-65-CSL includes an internal 1.0 V reference with ±10 mV output tolerance over temperature and load. External reference is optional via the VREF pin, but not required for standard operation with the default 2 V p-p input range.

How many analog input channels does the AD9257TCPZ-65-CSL support?

The AD9257TCPZ-65-CSL integrates eight independent analog-to-digital converter channels (labeled A through H), each with dedicated differential inputs (VIN+, VIN−), LVDS data outputs (D+, D−), and shared clock and control interfaces.

What LVDS standards does the AD9257TCPZ-65-CSL comply with?

The AD9257TCPZ-65-CSL supports two LVDS output modes: default ANSI-644 compliance (±247–±454 mV differential output voltage) and low-power reduced-signal mode aligned with IEEE 1596.3 (±150–±250 mV).

Is the AD9257TCPZ-65-CSL pin-compatible with other members of the AD9257 family?

Yes, all AD9257 variants - including AD9257TCPZ-65-CSL, AD9257TCPZ-80-CSL, and AD9257TCPZ-105-CSL - share identical 64-lead LFCSP (CP-64-17) packaging and pinout, enabling hardware reuse across sampling rate options.

AD9257TCPZ-65-CSL Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 64-WFQFN Exposed Pad, CSP

Packaging:: Tray

Product Status:: Active

Number of Bits:: 14

Sampling Rate (Per Second):: 65M

Number of Inputs:: 16

Input Type:: Differential

Data Interface:: LVDS - Serial, SPI

Configuration:: ADC

Ratio - S/H:ADC:: 1:1

Number of A/D Converters:: 8

Architecture:: Pipelined

Reference Type:: Internal

Voltage - Supply, Analog:: 1.7V ~ 1.9V

Voltage - Supply, Digital:: 1.7V ~ 1.9V

Features:: -

Operating Temperature:: -55°C ~ 125°C

Supplier Device Package:: 64-LFCSP (9x9)

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

AD9257TCPZ-65-CSL FAQ

1.How can I place an order for AD9257TCPZ-65-CSL through Aetrix?

Please submit a Request for Quotation (RFQ) for AD9257TCPZ-65-CSL 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 AD9257TCPZ-65-CSL reliable?

The price and inventory of AD9257TCPZ-65-CSL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD9257TCPZ-65-CSL is usually 5 days.

3.What payment methods are accepted for AD9257TCPZ-65-CSL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD9257TCPZ-65-CSL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AD9257TCPZ-65-CSL?

AD9257TCPZ-65-CSL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD9257TCPZ-65-CSL 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 AD9257TCPZ-65-CSL?

For technical support, including AD9257TCPZ-65-CSL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD9257TCPZ-65-CSL requirements.

6.How does Aetrix verify that AD9257TCPZ-65-CSL is sourced from the original manufacturer or authorized distributors?

All AD9257TCPZ-65-CSL 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 AD9257TCPZ-65-CSL meets industry standards.

7.What is the process for return or replacement of AD9257TCPZ-65-CSL?

All AD9257TCPZ-65-CSL units undergo pre-shipment inspection (PSI). If there is an issue with AD9257TCPZ-65-CSL, 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 AD9257TCPZ-65-CSL part is unused and in its original packaging.

Return procedure for AD9257TCPZ-65-CSL:

1.Submit a request within 90 days.

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

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