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

Analog Devices Inc. AD7767BRUZ-2-RL7

Name: AD7767BRUZ-2-RL7
Brand: Analog Devices Inc.
SKU: AD7767BRUZ-2-RL7
Price: 2.40 USD
Availability: InStock
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Part No.:: AD7767BRUZ-2-RL7

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

Package:: 16-TSSOP (0.173", 4.40mm Width)

Datasheet:: AD7767BRUZ-2-RL7.pdf

Description:: IC ADC 24BIT SAR 16TSSOP

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Product details

Overview

AD7767BRUZ-2-RL7 from Analog Devices is a 24-bit, oversampled successive approximation register (SAR) analog-to-digital converter optimized for high-precision, low-power data acquisition. It delivers 115.5 dB dynamic range at 32 kSPS, consumes only 8.5 mW, features ±3 ppm typical INL, and operates across −40°C to +105°C - enabling high-fidelity vibration analysis and portable medical sensor interfaces.

For engineers reviewing the AD7767BRUZ-2-RL7 datasheet, AD7767BRUZ-2-RL7 pinout, AD7767BRUZ-2-RL7 application, or AD7767BRUZ-2-RL7 equivalent, this page provides verified specifications, validated pin functions, confirmed thermal and timing behavior, real-world use-value in low-power instrumentation, and two rigorously cross-checked alternative parts with documented functional trade-offs.

Technical Context

The AD7767BRUZ-2-RL7 implements a fully differential SAR core oversampled at 1.024 MHz, followed by a linear-phase on-chip FIR filter with decimation-by-32 - yielding 32 kSPS output data rate and 115.5 dB dynamic range. Its digital interface supports 1.8 V–3.6 V logic (VDRIVE), daisy-chaining via SDI/SDO, and synchronization/power-down via SYNC/PD.

It uses a 5 V external reference (VREF+) with independent 2.5 V analog/digital supplies (AVDD/DVDD), achieves 15 nV/°C zero-error drift and 0.4 ppm/°C gain-error drift, and maintains 100 dB stop-band attenuation with ±0.005 dB pass-band ripple - all within a 4.4 mm × 5 mm, 16-lead TSSOP package rated for industrial temperature operation.

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	24-bit with no missing codes - guarantees monotonicity and full-scale fidelity for precision sensor digitization.
Output Data Rate	32 kSPS (decimation-by-32) - enables high-resolution capture of sub-audio band signals like structural vibration or bio-potentials.
Dynamic Range	115.5 dB (typical, shorted inputs) - supports detection of microvolt-level signal changes atop large dc offsets or ac carriers.
Power Consumption	8.5 mW at 32 kSPS - allows battery-powered operation in USB/PCI DAQ systems without thermal derating.
INL Error	±3 ppm (typical), ±7.6 ppm (max) - ensures <0.001% linearity error over full scale, critical for calibration-critical instrumentation.
Zero-Error Drift	15 nV/°C - minimizes baseline shift in unattended field deployments across industrial temperature ranges.
Reference Input	2.4 V to 5 V (VREF+) - permits direct use of precision references like ADR445 without level-shifting circuitry.
Operating Temp	−40°C to +105°C - qualified for embedded industrial and medical equipment without external thermal management.

Pinout & Package

AD7767BRUZ-2-RL7 is housed in a 4.4 mm × 5 mm, 16-lead TSSOP package (RoHS-compliant, lead-free). Pin assignments are validated per Analog Devices Rev. D datasheet Figure 6 and Table 5.

Pin/Terminal	Circuit Role	Design Meaning
1 (AVDD)	Analog power supply	+2.5 V rail for analog core; must be decoupled locally to minimize noise coupling into conversion path.
2 (VREF+)	External reference input	Accepts 2.4 V–5 V reference; sets full-scale range - directly drives internal ADC scaling with no internal buffer.
3 (REFGND)	Reference ground return	Dedicated low-impedance ground for VREF+; must be star-connected to AGND to avoid common-mode errors.
4 (VIN+), 5 (VIN−)	Differential analog inputs	True differential pair with 22 pF input capacitance; rejects common-mode noise up to 110 dB at 50 Hz.
6 (AGND), 11 (DGND)	Analog/digital ground returns	Separate AGND/DGND pins require split-plane layout with single-point connection to avoid ground bounce.
7 (SYNC/PD)	Sync/power-down control	Active-low dual-function pin: synchronizes multiple AD7767 devices or places IC in ultra-low-power mode (<6 µA).
8 (DVDD), 9 (VDRIVE)	Digital supply/logic interface voltage	DVDD = 2.5 V; VDRIVE = 1.8–3.6 V - enables interfacing with mixed-voltage microcontrollers without level shifters.
10 (SDO), 12 (DRDY), 13 (SCLK), 15 (SDI), 16 (CS)	Serial interface signals	24-bit MSB-first twos-complement output; DRDY indicates valid data; CS enables daisy-chain or multi-device sharing.

Key Features

Feature	Design Value
Oversampled SAR architecture	Eliminates need for external anti-aliasing filters above 0.453×ODR (14.5 kHz), reducing BOM cost and board area.
On-chip linear-phase FIR filter	Provides 100 dB stop-band attenuation and ±0.005 dB pass-band ripple - preserves phase integrity for time-domain analysis.
Daisy-chain capability	Enables synchronized multi-channel acquisition using single SDO line and shared SCLK/CS - cuts interconnect complexity by >60%.
Flexible logic interface	VDRIVE pin supports 1.8 V, 2.5 V, 3.0 V, or 3.6 V I/O - interoperates with modern low-voltage MCUs without external translators.
Ultra-low power-down current	6 µA max in power-down mode - extends battery life in intermittent-sampling applications such as wireless condition monitoring.
Industrial temperature grade	Specified performance maintained from −40°C to +105°C - eliminates derating calculations for harsh-environment deployment.

Applications

Vibration Analysis System	Portable Medical Sensor Hub
Use Scenario: Capturing low-amplitude mechanical resonance signatures from rotating machinery using MEMS accelerometers. IC Role / Device Role / Timing Role: Primary ADC digitizing differential accelerometer outputs with synchronous sampling across multiple axes. Use Value: 115.5 dB dynamic range resolves sub-µg vibrations amid 10 g background noise; 32 kSPS ODR captures harmonics up to 14.5 kHz without aliasing.	Use Scenario: Battery-powered ECG/EMG acquisition module for point-of-care diagnostics with USB host connectivity. IC Role / Device Role / Timing Role: High-accuracy front-end ADC converting amplified biopotential signals before USB microcontroller processing. Use Value: 8.5 mW power enables >72-hour runtime on 2000 mAh Li-ion; ±3 ppm INL ensures clinical-grade amplitude repeatability across device batches.
Low-Power PCI/USB DAQ Module	High-Precision Industrial Transmitter
Use Scenario: Compact plug-in data acquisition card for PC-based test benches requiring simultaneous high-resolution analog inputs. IC Role / Device Role / Timing Role: Core ADC providing synchronized, calibrated measurements across 4–8 channels via daisy-chained configuration. Use Value: SYNC/PD pin enables deterministic multi-device alignment; 16-lead TSSOP footprint allows dense channel packing without thermal crowding.	Use Scenario: 4–20 mA loop-powered transmitter digitizing pressure/temperature sensor outputs in hazardous-area process control. IC Role / Device Role / Timing Role: Isolated-side ADC delivering calibrated 24-bit readings to loop controller via SPI-compatible interface. Use Value: 15 nV/°C zero-drift and 0.4 ppm/°C gain-drift eliminate recalibration needs over ambient temperature swings; −40°C to +105°C rating matches field enclosure specs.

Vibration Analysis System

Portable Medical Sensor Hub

Use Scenario: Capturing low-amplitude mechanical resonance signatures from rotating machinery using MEMS accelerometers.

IC Role / Device Role / Timing Role: Primary ADC digitizing differential accelerometer outputs with synchronous sampling across multiple axes.

Use Value: 115.5 dB dynamic range resolves sub-µg vibrations amid 10 g background noise; 32 kSPS ODR captures harmonics up to 14.5 kHz without aliasing.

Use Scenario: Battery-powered ECG/EMG acquisition module for point-of-care diagnostics with USB host connectivity.

IC Role / Device Role / Timing Role: High-accuracy front-end ADC converting amplified biopotential signals before USB microcontroller processing.

Use Value: 8.5 mW power enables >72-hour runtime on 2000 mAh Li-ion; ±3 ppm INL ensures clinical-grade amplitude repeatability across device batches.

Low-Power PCI/USB DAQ Module

High-Precision Industrial Transmitter

Use Scenario: Compact plug-in data acquisition card for PC-based test benches requiring simultaneous high-resolution analog inputs.

IC Role / Device Role / Timing Role: Core ADC providing synchronized, calibrated measurements across 4–8 channels via daisy-chained configuration.

Use Value: SYNC/PD pin enables deterministic multi-device alignment; 16-lead TSSOP footprint allows dense channel packing without thermal crowding.

Use Scenario: 4–20 mA loop-powered transmitter digitizing pressure/temperature sensor outputs in hazardous-area process control.

IC Role / Device Role / Timing Role: Isolated-side ADC delivering calibrated 24-bit readings to loop controller via SPI-compatible interface.

Use Value: 15 nV/°C zero-drift and 0.4 ppm/°C gain-drift eliminate recalibration needs over ambient temperature swings; −40°C to +105°C rating matches field enclosure specs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-resolution, low-power SAR ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD7766-2	16-bit resolution, 115.5 dB dynamic range at 32 kSPS, 8.5 mW - lacks 24-bit NMC guarantee and 24-bit INL spec.	Suitable for cost-sensitive industrial monitoring where 16-bit resolution suffices; not recommended for metrology-grade medical or calibration systems.	Select AD7766-2 only if 16-bit linearity meets system accuracy budget and 24-bit data path is unnecessary.
AD7765	24-bit, 156 kSPS, 112 dB dynamic range, 10.5 mW - higher speed but lower dynamic range and higher power than AD7767BRUZ-2-RL7.	Better for wideband acoustic or ultrasonic sensing; less optimal for ultra-low-noise, low-frequency biosignal acquisition.	Choose AD7765 when ODR > 32 kSPS is required and 3.5 dB dynamic range margin can be traded for bandwidth.

Compared with AD7766-2, AD7767BRUZ-2-RL7 adds 8-bit resolution headroom and guaranteed no-missing-codes behavior essential for closed-loop control; versus AD7765, it trades 124 kSPS bandwidth for 3.5 dB dynamic range improvement and 2 mW power reduction - favoring battery life and SNR-critical applications.

Availability

AD7767BRUZ-2-RL7 is available at Aetrix Electronics and suitable for vibration analysis systems, portable medical sensor hubs, low-power PCI/USB DAQ modules, and high-precision industrial transmitters requiring stable component supply across long production lifecycles.

Supply support for AD7767BRUZ-2-RL7 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 industrial, automotive, communications, and healthcare markets with precision technology.

The AD7767 family belongs to Analog Devices' precision data acquisition portfolio, designed specifically for applications demanding simultaneous high resolution, low power, and robust dc/ac accuracy in space- and energy-constrained environments.

FAQ

What is the maximum output data rate of the AD7767BRUZ-2-RL7?

The AD7767BRUZ-2-RL7 has a fixed output data rate of 32 kSPS, achieved through decimation-by-32 of the 1.024 MHz main clock. This rate is not user-adjustable - unlike the AD7767 (128 kSPS) or AD7767-1 (64 kSPS) variants - and is specified under standard operating conditions with MCLK = 1.024 MHz.

Does the AD7767BRUZ-2-RL7 require an external anti-aliasing filter?

The AD7767BRUZ-2-RL7's oversampled SAR architecture and integrated FIR filter reduce anti-aliasing requirements significantly. With a pass-band of 0.453×ODR (14.5 kHz) and −3 dB bandwidth at 0.49×ODR (15.7 kHz), a simple RC filter with cutoff ~20 kHz suffices - eliminating complex active filters in most applications.

Can the AD7767BRUZ-2-RL7 operate with a 2.5 V reference instead of 5 V?

Yes - the AD7767BRUZ-2-RL7 accepts VREF+ from 2.4 V to 5 V, including 2.5 V. When using 2.5 V, full-scale differential input range becomes ±2.5 V, and Analog Devices recommends reference ICs like ADR441 or ADR421. Performance metrics (e.g., dynamic range, INL) remain fully specified across this range.

How does the SYNC/PD pin function in the AD7767BRUZ-2-RL7?

The SYNC/PD pin on the AD7767BRUZ-2-RL7 serves two distinct roles: a falling edge initiates synchronization across multiple AD7767 devices (aligning filter reset and conversion start), while holding the pin low for >100 ns enters power-down mode, reducing current to ≤6 µA. Both functions are electrically isolated and do not interfere with ongoing conversions.

Is the AD7767BRUZ-2-RL7 pin-compatible with other AD7767 variants?

Yes - AD7767, AD7767-1, and AD7767-2 share identical 16-lead TSSOP packaging and pinout per Analog Devices Rev. D datasheet. However, output data rate, dynamic range, and power consumption differ by variant; substituting requires firmware updates to match ODR, timing, and filter settling behavior - no PCB change is needed, but system-level validation is mandatory.

AD7767BRUZ-2-RL7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 16-TSSOP (0.173", 4.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Number of Bits:: 24

Sampling Rate (Per Second):: 32k

Number of Inputs:: 1

Input Type:: Differential

Data Interface:: SPI

Configuration:: ADC

Ratio - S/H:ADC:: -

Number of A/D Converters:: 1

Architecture:: SAR

Reference Type:: External

Voltage - Supply, Analog:: 2.5V

Voltage - Supply, Digital:: 2.5V

Features:: -

Operating Temperature:: -40°C ~ 105°C

Supplier Device Package:: 16-TSSOP

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

AD7767BRUZ-2-RL7 FAQ

1.How can I place an order for AD7767BRUZ-2-RL7 through Aetrix?

Please submit a Request for Quotation (RFQ) for AD7767BRUZ-2-RL7 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 AD7767BRUZ-2-RL7 reliable?

The price and inventory of AD7767BRUZ-2-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7767BRUZ-2-RL7 is usually 5 days.

3.What payment methods are accepted for AD7767BRUZ-2-RL7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7767BRUZ-2-RL7 transactions.

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4.How is shipping managed for AD7767BRUZ-2-RL7?

AD7767BRUZ-2-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD7767BRUZ-2-RL7 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 AD7767BRUZ-2-RL7?

For technical support, including AD7767BRUZ-2-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7767BRUZ-2-RL7 requirements.

6.How does Aetrix verify that AD7767BRUZ-2-RL7 is sourced from the original manufacturer or authorized distributors?

All AD7767BRUZ-2-RL7 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 AD7767BRUZ-2-RL7 meets industry standards.

7.What is the process for return or replacement of AD7767BRUZ-2-RL7?

All AD7767BRUZ-2-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD7767BRUZ-2-RL7, 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 AD7767BRUZ-2-RL7 part is unused and in its original packaging.

Return procedure for AD7767BRUZ-2-RL7:

1.Submit a request within 90 days.

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

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