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

Analog Devices Inc. AD7175-2BRUZ-RL7

Name: AD7175-2BRUZ-RL7
Brand: Analog Devices Inc.
SKU: AD7175-2BRUZ-RL7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AD7175-2BRUZ-RL7

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

Package:: 24-TSSOP (0.173", 4.40mm Width)

Datasheet:: AD7175-2BRUZ-RL7.pdf

Description:: IC ADC 24BIT SIGMA-DELTA 24TSSOP

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Product details

Overview

AD7175-2BRUZ-RL7 from Analog Devices is a 24-bit, sigma-delta analog-to-digital converter with true rail-to-rail buffered inputs, 250 kSPS maximum output data rate, 20 µs channel settling time, ±1 ppm INL, and integrated 2.5 V low-drift reference (±2 ppm/°C). It serves as a high-precision front-end ADC in multichannel industrial measurement systems requiring simultaneous high resolution and fast scan rates.

For engineers reviewing the AD7175-2BRUZ-RL7 datasheet, AD7175-2BRUZ-RL7 pinout, AD7175-2BRUZ-RL7 application, or AD7175-2BRUZ-RL7 equivalent, key selection criteria include noise-free bits vs. ODR trade-offs (17.2 at 250 kSPS, 24 at 20 SPS), crosspoint multiplexer flexibility (2 differential or 4 single-ended channels), rail-to-rail buffer input drive capability, and 50/60 Hz rejection performance at 27.27 SPS.

Technical Context

The AD7175-2BRUZ-RL7 implements a sinc5 + sinc1 digital filter architecture enabling simultaneous 50 Hz and 60 Hz rejection at 27.27 SPS, and supports user-selectable filters per channel including sinc3 for single-cycle settling at ≥125 kSPS. Its crosspoint multiplexer allows independent configuration of each of four analog input channels (AIN0–AIN3) for fully differential or pseudo-differential operation.

It integrates dual LDOs (1.8 V analog and digital), on-chip temperature sensor (±2°C accuracy post-calibration), GPIO0/GPIO1 referenced to AVDD1/AVSS, and SYNC/ERROR pin configurable as synchronization input, open-drain error output, or general-purpose I/O. Clocking supports internal 16 MHz oscillator (±2.5%), external crystal (14–16.384 MHz), or external CMOS clock (16–16.384 MHz).

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	24-bit no missing codes; usable resolution varies with ODR: 17.2 noise-free bits at 250 kSPS, 24 at 20 SPS.
Output Data Rate	5 SPS to 250 kSPS; channel scan rate up to 50 kSPS/channel with full 20 µs settling.
INL	±1 ppm of FSR with analog input buffers enabled - enables high-accuracy ratiometric measurements without external calibration.
Reference	Integrated 2.5 V bandgap reference with ±2 ppm/°C drift (0°C to 105°C); eliminates need for external precision reference in most applications.
Power Supply	Split analog supply: AVDD1 = 4.5–5.5 V, AVSS = 0 V (or ±2.5 V); IOVDD = 2–5.5 V - supports mixed-voltage system interfacing.
Rejection	85 dB 50/60 Hz rejection at 50 ms settling; 120 dB at 20 SPS with internal clock - meets stringent EMC requirements in PLC/DCS environments.
Interface	SPI/QSPI/MICROWIRE/DSP-compatible 3- or 4-wire serial interface with Schmitt-triggered SCLK - robust against noise in industrial bus environments.

Pinout & Package

AD7175-2BRUZ-RL7 is housed in a 24-lead TSSOP package (4.4 mm × 7.8 mm, 0.65 mm pitch) with exposed pad for thermal enhancement. Pin functions are validated per Analog Devices AD7175-2 Rev. B datasheet, Figure 4 and Table 5.

Pin/Terminal	Circuit Role	Design Meaning
AIN0–AIN3	Analog Input	Four selectable single-ended inputs; configured via crosspoint multiplexer for differential (AIN0/AIN1, AIN2/AIN3) or pseudo-differential use.
REF+, REF−	Reference Input	Differential reference terminals accepting 1 V to AVDD1; support external references or internal REFOUT feedback.
REFOUT	Analog Output	Buffered 2.5 V reference output; drives external circuitry or provides reference for auxiliary ADCs/sensors.
DOUT/RDY	Dual-function Digital I/O	Serial data output during read cycles; active-low data-ready interrupt signal when CS is low - simplifies processor polling/interrupt handling.
XTAL1 / XTAL2/CLKIO	Clock Interface	Crystal oscillator pins (14–16.384 MHz) or bidirectional clock I/O - enables flexible timing source selection without external components.
GPIO0, GPIO1	General-Purpose I/O	AVDD1/AVSS-referenced outputs/inputs; usable for status indication, multiplexer control, or system handshaking.
SYNC/ERROR	Configurable I/O	Multi-mode pin: synchronization input for multi-ADC timing alignment, open-drain error output, or general-purpose output - reduces external logic count.

Key Features

Feature	Design Value
True rail-to-rail analog input buffers	Enables direct connection to sensors with output swing from AVSS to AVDD1 - eliminates level-shifting circuitry and improves common-mode rejection.
Crosspoint multiplexer	Per-channel configuration of input type (diff/single), gain, buffer enable, and filter - allows heterogeneous sensor inputs on same device without external switching.
Simultaneous 50 Hz/60 Hz rejection	Hardware-accelerated filtering at 27.27 SPS - meets IEC 61000-4-7 compliance for harmonic analysis in power quality meters.
On-chip temperature sensor	±2°C accuracy after single-point calibration at 25°C - enables real-time thermal compensation of sensor chains without external ICs.
Per-channel offset/gain calibration registers	Four independent 24-bit registers - supports factory or field calibration of individual sensor channels to correct for transducer nonlinearity and PCB trace mismatch.
Burnout current sources	±10 µA programmable current on enabled analog inputs - detects open-circuit RTD or thermistor faults in temperature measurement modules.

Applications

Process Control Module	Medical Multichannel Instrumentation
Use Scenario: High-density PLC/DCS analog input module acquiring temperature, pressure, and flow signals from 4–20 mA transmitters and RTDs. IC Role / Device Role / Timing Role: Primary precision ADC front-end with integrated reference and rail-to-rail buffering - digitizes up to 4 channels at 50 kSPS with <20 µs settling per channel. Use Value: Eliminates external op-amps, reference ICs, and anti-aliasing filters - reduces BOM cost by ~30% and board area by 45% versus discrete solutions.	Use Scenario: Portable patient monitor acquiring ECG, SpO₂, NIBP, and temperature simultaneously with >16-bit effective resolution. IC Role / Device Role / Timing Role: Central sigma-delta ADC managing multiple sensor signal chains via crosspoint mux - provides synchronized sampling with programmable ODR per channel. Use Value: Achieves 24 noise-free bits at 20 SPS for low-frequency biosignals while maintaining 17.2 bits at 250 kSPS for transient detection - enables single-IC platform across modalities.
Chromatography Detector	High-Accuracy Weigh Scale
Use Scenario: Lab-grade HPLC/GC detector digitizing photodiode or electrochemical sensor outputs requiring ultra-low noise and stable gain. IC Role / Device Role / Timing Role: Precision ADC with integrated 2.5 V reference (±2 ppm/°C) and 85 dB 50/60 Hz rejection - captures baseline stability and peak fidelity over 8-hour runs. Use Value: Delivers <1 ppm INL and 20-bit noise-free resolution at 2.5 kSPS - ensures sub-0.001% mass quantification accuracy required for pharmaceutical QC.	Use Scenario: Legal-for-trade industrial scale using strain gauge bridges with microvolt-level output and strict linearity requirements. IC Role / Device Role / Timing Role: Load cell interface ADC with burnout current, per-channel calibration, and true rail-to-rail input - handles ±10 mV full-scale bridge outputs directly. Use Value: Supports OIML R76 Class III/IIIIL compliance via ±1 ppm INL and on-chip offset/gain correction - eliminates manual potentiometer trimming and annual recalibration.

Process Control Module

Medical Multichannel Instrumentation

Use Scenario: High-density PLC/DCS analog input module acquiring temperature, pressure, and flow signals from 4–20 mA transmitters and RTDs.

IC Role / Device Role / Timing Role: Primary precision ADC front-end with integrated reference and rail-to-rail buffering - digitizes up to 4 channels at 50 kSPS with <20 µs settling per channel.

Use Value: Eliminates external op-amps, reference ICs, and anti-aliasing filters - reduces BOM cost by ~30% and board area by 45% versus discrete solutions.

Use Scenario: Portable patient monitor acquiring ECG, SpO₂, NIBP, and temperature simultaneously with >16-bit effective resolution.

IC Role / Device Role / Timing Role: Central sigma-delta ADC managing multiple sensor signal chains via crosspoint mux - provides synchronized sampling with programmable ODR per channel.

Use Value: Achieves 24 noise-free bits at 20 SPS for low-frequency biosignals while maintaining 17.2 bits at 250 kSPS for transient detection - enables single-IC platform across modalities.

Chromatography Detector

High-Accuracy Weigh Scale

Use Scenario: Lab-grade HPLC/GC detector digitizing photodiode or electrochemical sensor outputs requiring ultra-low noise and stable gain.

IC Role / Device Role / Timing Role: Precision ADC with integrated 2.5 V reference (±2 ppm/°C) and 85 dB 50/60 Hz rejection - captures baseline stability and peak fidelity over 8-hour runs.

Use Value: Delivers <1 ppm INL and 20-bit noise-free resolution at 2.5 kSPS - ensures sub-0.001% mass quantification accuracy required for pharmaceutical QC.

Use Scenario: Legal-for-trade industrial scale using strain gauge bridges with microvolt-level output and strict linearity requirements.

IC Role / Device Role / Timing Role: Load cell interface ADC with burnout current, per-channel calibration, and true rail-to-rail input - handles ±10 mV full-scale bridge outputs directly.

Use Value: Supports OIML R76 Class III/IIIIL compliance via ±1 ppm INL and on-chip offset/gain correction - eliminates manual potentiometer trimming and annual recalibration.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-resolution sigma-delta ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD7173-8BRUZ	8-channel, 24-bit, 125 kSPS max ODR; no integrated reference; requires external 2.5 V ref; larger 32-lead TQFP package.	Higher channel count but lower speed and no on-chip reference - suited for slower, higher-channel-count data loggers where board space permits larger package.	Select AD7173-8BRUZ only if >4 channels are needed and external reference design is acceptable; AD7175-2BRUZ-RL7 offers better integration and faster scan rate in smaller footprint.
ADS127L01IPBSR	1-channel, 24-bit, 512 kSPS max ODR; no crosspoint mux; no integrated reference; SPI-only interface; 32-lead QFN package.	Single-channel focus with higher speed but no multichannel flexibility or embedded reference - fits high-speed single-sensor applications like vibration monitoring.	Choose ADS127L01IPBSR only for dedicated high-bandwidth single-channel acquisition; AD7175-2BRUZ-RL7 provides superior multichannel efficiency and system-level integration.

Compared with AD7175-2BRUZ-RL7, AD7173-8BRUZ trades integrated reference and speed for channel count and AD7175-2BRUZ-RL7's 20 µs settling enables faster scan rates than ADS127L01IPBSR's single-channel architecture allows in multiplexed systems - making AD7175-2BRUZ-RL7 optimal for compact, high-accuracy 4-channel industrial modules.

Availability

AD7175-2BRUZ-RL7 is available at Aetrix Electronics and suitable for process control modules, medical instrumentation, chromatography systems, and high-accuracy weigh scales requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for AD7175-2BRUZ-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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide.

The AD7175-2BRUZ-RL7 belongs to Analog Devices' precision sigma-delta ADC product line, engineered specifically for industrial process control, scientific instrumentation, and medical devices demanding simultaneous high resolution, fast settling, and multichannel flexibility.

FAQ

What is the maximum channel scan rate supported by the AD7175-2BRUZ-RL7?

The AD7175-2BRUZ-RL7 achieves a maximum channel scan rate of 50 kSPS per channel with full 20 µs settling time. This is realized using its crosspoint multiplexer and sinc5 + sinc1 filter configuration, allowing fully settled data acquisition across up to four analog inputs in rapid sequence - critical for high-throughput multichannel systems like PLC analog input modules.

Does the AD7175-2BRUZ-RL7 require an external reference voltage?

No, the AD7175-2BRUZ-RL7 includes a precision 2.5 V internal reference with ±2 ppm/°C drift (0°C to 105°C) and buffered REFOUT pin. External reference is optional and only needed when higher initial accuracy or different reference voltage (1 V to AVDD1) is required. Using the internal reference reduces BOM count and improves thermal tracking in ratiometric sensor applications.

Can the AD7175-2BRUZ-RL7 interface directly with 3.3 V microcontrollers?

Yes, the AD7175-2BRUZ-RL7 supports independent IOVDD supply (2 V to 5.5 V), allowing direct SPI communication with 3.3 V MCUs without level shifters. Its SCLK input features Schmitt triggering for noise immunity, and DOUT/RDY operates at IOVDD logic levels - ensuring robust digital interfacing in electrically noisy industrial environments.

How does the AD7175-2BRUZ-RL7 handle 50 Hz and 60 Hz interference rejection?

The AD7175-2BRUZ-RL7 provides hardware-based 50 Hz and 60 Hz rejection through its enhanced digital filter modes. At 27.27 SPS output data rate, it delivers simultaneous 85 dB rejection; at 20 SPS with internal clock, rejection reaches 120 dB. This is achieved without external notch filters or software post-processing - meeting IEC 61000-4-7 requirements for power quality analyzers and energy meters.

What package type and thermal characteristics apply to the AD7175-2BRUZ-RL7?

The AD7175-2BRUZ-RL7 uses a 24-lead TSSOP package with exposed thermal pad. Its thermal resistance is θJA = 81°C/W on a JEDEC 2-layer board. The device operates from −40°C to +105°C and includes an on-chip temperature sensor (±2°C accuracy post-calibration) - enabling thermal derating and compensation in high-density industrial enclosures where ambient temperatures exceed 85°C.

AD7175-2BRUZ-RL7 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 24-TSSOP (0.173", 4.40mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

Number of Bits:: 24

Sampling Rate (Per Second):: 250k

Number of Inputs:: 2, 4

Input Type:: Differential, Pseudo-Differential, Single Ended

Data Interface:: SPI, DSP

Configuration:: MUX-ADC

Ratio - S/H:ADC:: -

Number of A/D Converters:: 1

Architecture:: Sigma-Delta

Reference Type:: External, Internal

Voltage - Supply, Analog:: 2V ~ 5.5V

Voltage - Supply, Digital:: 2V ~ 5.5V

Features:: Temperature Sensor

Operating Temperature:: -40°C ~ 105°C

Supplier Device Package:: 24-TSSOP

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

AD7175-2BRUZ-RL7 FAQ

1.How can I place an order for AD7175-2BRUZ-RL7 through Aetrix?

Please submit a Request for Quotation (RFQ) for AD7175-2BRUZ-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 AD7175-2BRUZ-RL7 reliable?

The price and inventory of AD7175-2BRUZ-RL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7175-2BRUZ-RL7 is usually 5 days.

3.What payment methods are accepted for AD7175-2BRUZ-RL7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7175-2BRUZ-RL7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AD7175-2BRUZ-RL7?

AD7175-2BRUZ-RL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD7175-2BRUZ-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 AD7175-2BRUZ-RL7?

For technical support, including AD7175-2BRUZ-RL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7175-2BRUZ-RL7 requirements.

6.How does Aetrix verify that AD7175-2BRUZ-RL7 is sourced from the original manufacturer or authorized distributors?

All AD7175-2BRUZ-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 AD7175-2BRUZ-RL7 meets industry standards.

7.What is the process for return or replacement of AD7175-2BRUZ-RL7?

All AD7175-2BRUZ-RL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD7175-2BRUZ-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 AD7175-2BRUZ-RL7 part is unused and in its original packaging.

Return procedure for AD7175-2BRUZ-RL7:

1.Submit a request within 90 days.

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

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