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

Analog Devices Inc. AD7175-2BRUZ-RL

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

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Part No.:: AD7175-2BRUZ-RL

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

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

Datasheet:: AD7175-2BRUZ-RL.pdf

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

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Product details

Overview

AD7175-2BRUZ-RL 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 50/60 Hz rejection and flexible input configuration.

For engineers reviewing the AD7175-2BRUZ-RL datasheet, AD7175-2BRUZ-RL pinout, AD7175-2BRUZ-RL application, or AD7175-2BRUZ-RL equivalent, key selection criteria include noise-free resolution across output rates (17.2 bits @ 250 kSPS, 24 bits @ 20 SPS), crosspoint multiplexer support for 2 differential or 4 single-ended channels, and dual-supply operation (AVDD1 = 5 V or ±2.5 V, IOVDD = 2–5 V).

Technical Context

The AD7175-2BRUZ-RL implements a sinc5 + sinc1 digital filter architecture enabling simultaneous 50 Hz/60 Hz rejection at 27.27 SPS, with user-selectable filter modes per channel. Its crosspoint multiplexer allows independent routing of any analog input to either ADC conversion path, supporting mixed differential/pseudo-differential configurations.

True rail-to-rail analog and reference input buffers eliminate external driver requirements and enable direct connection to high-impedance sensors. The on-chip 2.5 V band gap reference features ±2 ppm/°C drift over 0°C to 105°C and delivers up to ±10 mA load current, reducing BOM count in isolated or space-constrained designs.

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	24-bit no missing codes; guarantees monotonicity across full scale without code gaps.
Output Data Rate	5 SPS to 250 kSPS; supports both ultra-low-noise slow-scan (e.g., 20 SPS → 24 noise-free bits) and fast multichannel acquisition (50 kSPS/channel).
INL	±1 ppm of FSR with analog buffers enabled; ensures sub-ppm linearity critical for calibration-grade instrumentation.
Settling Time	20 µs per channel in scan mode; enables 50 kSPS sustained throughput with fully settled data across all 4 inputs.
Reference Drift	±2 ppm/°C (0°C to 105°C); minimizes temperature-induced gain error without external compensation.
Power Supply Rejection	95 dB (AVDD1/AVDD2); maintains accuracy despite supply ripple in noisy PLC or motor drive environments.
Common-Mode Rejection	95 dB at DC; rejects shared-mode interference from long sensor cables in industrial fieldbus applications.

Pinout & Package

The AD7175-2BRUZ-RL 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–AIN4	Analog Input Terminals	Five configurable analog inputs routed via crosspoint multiplexer; support 2 fully differential or 4 single-ended channels.
REF+, REF−	External Reference Inputs	Accept 1 V to AVDD1 differential reference; enable precision ratio-metric measurements with external references.
REFOUT	Internal Reference Output	Buffered 2.5 V output (±2 ppm/°C drift); drives external circuitry or secondary ADCs without loading error.
AVDD1, AVSS	Analog Power Supplies	Support split supply (±2.5 V) or single 5 V; AVSS may be −2.75 V to 0 V, enabling bipolar signal conditioning.
IOVDD, DGND	Digital I/O Supply & Ground	Independent 2–5 V digital rail decoupled from analog supplies; isolates digital noise from sensitive analog paths.
SCLK, DIN, DOUT/RDY, CS	Serial Interface Signals	3-/4-wire SPI-compatible interface with Schmitt-triggered SCLK; supports opto-isolation and noise-immune communication.
XTAL1 / XTAL2/CLKIO	Clock Source Interface	Accepts 14–16.384 MHz crystal or external clock; internal 16 MHz oscillator eliminates external timing components.
GPIO0, GPIO1	General-Purpose I/O	AVDD1/AVSS-referenced outputs; usable for status indication, multiplexer control, or synchronization signaling.

Key Features

Feature	Design Value
Crosspoint Multiplexer	Enables per-channel input configuration (differential/single-ended) and dynamic re-routing without external switches.
True Rail-to-Rail Buffers	Eliminates external op-amps for sensor interfacing; accepts signals from AVSS to AVDD1 with <±30 nA input bias current.
Sinc5+Sinc1 Filter	Delivers simultaneous 50/60 Hz rejection at 27.27 SPS while maintaining fast step response for transient detection.
Per-Channel Calibration	Independent offset/gain registers for each of 4 channels allow factory or field calibration without system-level recalibration.
Integrated Temperature Sensor	±2°C accuracy after user calibration at 25°C; provides on-chip thermal monitoring for drift compensation or safety logic.

Applications

Process Control Module	Medical Multichannel Instrumentation
Use Scenario: High-density PLC/DCS analog input modules acquiring temperature, pressure, and flow sensor data across 16+ channels. IC Role / Device Role / Timing Role: Primary precision ADC front-end with 20 µs per-channel settling enabling 50 kSPS aggregate scan rate and synchronized sampling across multiple AD7175-2BRUZ-RL devices. Use Value: Eliminates external reference and buffer ICs, reducing component count by ≥3 per channel while maintaining ±1 ppm INL across −40°C to +105°C.	Use Scenario: Portable patient monitors measuring ECG, SpO₂, and respiration simultaneously with low power and high SNR. IC Role / Device Role / Timing Role: Low-noise, low-power ADC core operating at 2.5 kSPS (20 noise-free bits) with integrated reference and rail-to-rail buffering for direct electrode interfacing. Use Value: Achieves 20-bit effective resolution at 2.5 kSPS while consuming only 8.4 mA total, enabling >8-hour battery life in Class II medical devices.
Chromatography Detector	High-Accuracy Weigh Scale
Use Scenario: Gas chromatograph detectors requiring stable, low-drift digitization of microvolt-level detector signals over multi-hour runs. IC Role / Device Role / Timing Role: Precision ADC with 24 noise-free bits at 20 SPS and 85 dB 50/60 Hz rejection, synchronized to column oven temperature ramp profiles. Use Value: Delivers <1 µV RMS noise floor and ±2 ppm/°C reference drift, enabling sub-0.001% mass quantification repeatability without active temperature stabilization.	Use Scenario: Legal-for-trade bench scales using strain gauge bridges with 0.001% readability and NTEP certification requirements. IC Role / Device Role / Timing Role: Metrology-grade ADC performing auto-zero and system calibration during idle periods, leveraging per-channel gain/offset registers for bridge offset compensation. Use Value: Meets OIML R76 Class III requirements via ±1 ppm INL, 24-bit monotonicity, and integrated burnout current sources for open-wire fault detection.

Process Control Module

Medical Multichannel Instrumentation

Use Scenario: High-density PLC/DCS analog input modules acquiring temperature, pressure, and flow sensor data across 16+ channels.

IC Role / Device Role / Timing Role: Primary precision ADC front-end with 20 µs per-channel settling enabling 50 kSPS aggregate scan rate and synchronized sampling across multiple AD7175-2BRUZ-RL devices.

Use Value: Eliminates external reference and buffer ICs, reducing component count by ≥3 per channel while maintaining ±1 ppm INL across −40°C to +105°C.

Use Scenario: Portable patient monitors measuring ECG, SpO₂, and respiration simultaneously with low power and high SNR.

IC Role / Device Role / Timing Role: Low-noise, low-power ADC core operating at 2.5 kSPS (20 noise-free bits) with integrated reference and rail-to-rail buffering for direct electrode interfacing.

Use Value: Achieves 20-bit effective resolution at 2.5 kSPS while consuming only 8.4 mA total, enabling >8-hour battery life in Class II medical devices.

Chromatography Detector

High-Accuracy Weigh Scale

Use Scenario: Gas chromatograph detectors requiring stable, low-drift digitization of microvolt-level detector signals over multi-hour runs.

IC Role / Device Role / Timing Role: Precision ADC with 24 noise-free bits at 20 SPS and 85 dB 50/60 Hz rejection, synchronized to column oven temperature ramp profiles.

Use Value: Delivers <1 µV RMS noise floor and ±2 ppm/°C reference drift, enabling sub-0.001% mass quantification repeatability without active temperature stabilization.

Use Scenario: Legal-for-trade bench scales using strain gauge bridges with 0.001% readability and NTEP certification requirements.

IC Role / Device Role / Timing Role: Metrology-grade ADC performing auto-zero and system calibration during idle periods, leveraging per-channel gain/offset registers for bridge offset compensation.

Use Value: Meets OIML R76 Class III requirements via ±1 ppm INL, 24-bit monotonicity, and integrated burnout current sources for open-wire fault detection.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD7173-8BRUZ	8-channel variant with same 24-bit resolution, 125 kSPS max ODR, and identical reference/buffer architecture; lacks 250 kSPS capability and sinc5+sinc1 filter.	Better suited for static, high-channel-count systems where 20 µs settling is not required; lower power (6.5 mA vs. 8.4 mA) at 125 kSPS.	Select AD7173-8BRUZ when expanding beyond 4 channels without needing 250 kSPS or enhanced 50/60 Hz rejection.
LTC2500-32IUK#PBF	32-bit delta-sigma ADC with 150 kSPS max ODR, no integrated reference, requires external 2.5 V reference and buffer amplifiers.	Targeted at ultra-high-resolution applications (e.g., metrology labs) where external component count is acceptable for extended resolution.	Choose LTC2500-32IUK#PBF only when 32-bit resolution is mandatory and board space allows discrete reference/buffer implementation.

Compared with AD7175-2BRUZ-RL, the AD7173-8BRUZ trades speed and advanced filtering for higher channel density and lower power, while the LTC2500-32IUK#PBF sacrifices integration and ease of use for raw resolution-making AD7175-2BRUZ-RL optimal for industrial and medical systems demanding balance of speed, precision, and embedded functionality.

Availability

AD7175-2BRUZ-RL 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 support, and traceable sourcing.

Supply support for AD7175-2BRUZ-RL 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 since 1965.

The AD7175-2BRUZ-RL belongs to Analog Devices' precision sigma-delta ADC product line, engineered for high-channel-count, low-noise industrial and scientific measurement systems requiring integrated reference, buffering, and flexible digital filtering.

FAQ

What is the maximum output data rate supported by the AD7175-2BRUZ-RL?

The AD7175-2BRUZ-RL supports a maximum output data rate of 250 kSPS in single-channel mode. In multichannel scan mode, it achieves 50 kSPS per channel with guaranteed 20 µs settling time. This performance is enabled by its sinc5 + sinc1 digital filter architecture and low-latency crosspoint multiplexer, making AD7175-2BRUZ-RL suitable for high-speed data acquisition in programmable logic controllers and automated test equipment.

Does the AD7175-2BRUZ-RL include an internal voltage reference?

Yes, the AD7175-2BRUZ-RL integrates a precision 2.5 V band gap reference with ±2 ppm/°C drift over 0°C to 105°C and ±3 ppm/°C over −40°C to +105°C. The reference is buffered and available on the REFOUT pin, capable of sourcing/sinking ±10 mA. This eliminates the need for external reference ICs in most applications, directly contributing to the compact footprint and reliability of AD7175-2BRUZ-RL-based designs.

Can the AD7175-2BRUZ-RL operate with split analog supplies?

Yes, the AD7175-2BRUZ-RL supports split analog supplies: AVDD1 and AVSS can be configured as ±2.5 V (i.e., AVDD1 = +2.5 V, AVSS = −2.5 V), enabling true bipolar input ranges. The absolute voltage rating allows AVSS down to −2.75 V relative to DGND. This capability makes AD7175-2BRUZ-RL appropriate for applications such as motor phase current sensing and audio test equipment requiring symmetrical signal handling.

How many analog input channels does the AD7175-2BRUZ-RL support?

The AD7175-2BRUZ-RL provides five physical analog input pins (AIN0–AIN4) and supports up to four configurable input channels via its crosspoint multiplexer. Users may configure these as two fully differential channels or four single-ended channels, with independent setup (buffering, filtering, gain, offset) per channel. This flexibility allows AD7175-2BRUZ-RL to adapt to diverse sensor types-including RTDs, thermocouples, and strain gauges-within a single design.

What serial interface protocols are compatible with the AD7175-2BRUZ-RL?

The AD7175-2BRUZ-RL supports standard 3- or 4-wire SPI-compatible serial interfaces, including QSPI, MICROWIRE, and DSP modes. Its SCLK input includes a Schmitt trigger for noise immunity, and the DOUT/RDY pin functions as both data output and conversion-ready indicator. This broad protocol compatibility ensures seamless integration with ARM Cortex-M, Renesas RX, and TI C2000 microcontrollers-commonly used in AD7175-2BRUZ-RL-based industrial control systems.

AD7175-2BRUZ-RL 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-RL FAQ

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

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

The price and inventory of AD7175-2BRUZ-RL 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-RL is usually 5 days.

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

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

Note: Certain payment methods may incur a processing fee.

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

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

Once your AD7175-2BRUZ-RL 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-RL?

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

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

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

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

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

Return procedure for AD7175-2BRUZ-RL:

1.Submit a request within 90 days.

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

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