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

Analog Devices Inc. AD7610BSTZ-RL

Name: AD7610BSTZ-RL
Brand: Analog Devices Inc.
SKU: AD7610BSTZ-RL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AD7610BSTZ-RL

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

Package:: 48-LQFP

Datasheet:: AD7610BSTZ-RL.pdf

Description:: IC ADC 16BIT SAR 48LQFP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AD7610BSTZ-RL from Analog Devices is a 16-bit, 250 kSPS PulSAR® successive approximation register (SAR) ADC with programmable unipolar/bipolar input ranges (0 V to 5 V, 0 V to 10 V, ±5 V, ±10 V), integrated 5 V reference (3 ppm/°C drift), on-chip temperature sensor, and dual parallel/serial (SPI-/QSPI™-/MICROWIRE™-/DSP-compatible) interface - deployed in high-speed data acquisition systems requiring precision timing and low-latency conversion without pipeline delay.

For engineers reviewing the AD7610BSTZ-RL datasheet, AD7610BSTZ-RL pinout, AD7610BSTZ-RL application, or AD7610BSTZ-RL equivalent, key selection considerations include its iCMOS® process enabling ±15 V analog supply operation, hardware/software-configurable input range selection, no missing codes performance, 94 dB SNR at 2 kHz, and LQFP-48 package compatibility with industrial-grade −40°C to +85°C operation.

Technical Context

The AD7610BSTZ-RL implements a charge redistribution SAR architecture with zero pipeline delay, internal conversion clock, and configurable analog front-end using dedicated hardware pins (BIPOLAR, TEN) or serial configuration port. It supports true bipolar input operation via differential sampling on IN+ and IN− with ground-sense reference.

Its digital interface operates in three distinct modes: parallel (16-/8-bit bus), master serial (internally generated SDCLK), and slave serial (externally clocked), all compatible with 3.3 V or 5 V logic levels on OVDD. Power scaling is linear with throughput - 90 mW at 250 kSPS, dropping to 10 mW at 1 kSPS.

Key Specifications

Parameter	Value and Actual Design Meaning
Resolution	16-bit with no missing codes - guarantees monotonicity and full code coverage across full-scale range.
Throughput Rate	250 kSPS (4 μs conversion cycle) - enables real-time capture of signals up to ~650 kHz bandwidth (−3 dB).
INL Error	±1.5 LSB max (±23 ppm of FSR) - ensures high DC accuracy for calibration-critical instrumentation.
SNR	94 dB @ 2 kHz (±5 V/±10 V ranges) - supports high-fidelity signal reconstruction in spectrum analysis and medical imaging.
Reference	Internal 5 V reference with ±3 ppm/°C drift - eliminates need for external precision reference in many embedded applications.
Supply Voltages	AVDD/DVDD = 4.75–5.25 V; VCC = +7 to +15 V; VEE = −15 to 0 V - supports wide analog input voltage swing and true bipolar operation.
Operating Temp	−40°C to +85°C - qualified for industrial and medical equipment operating in non-hermetic environments.

Pinout & Package

AD7610BSTZ-RL is housed in a Pb-free 48-lead LQFP (7 mm × 7 mm, 0.5 mm pitch) with exposed pad (EPAD), rated for −40°C to +85°C operation. The EPAD must be soldered to VEE for thermal and electrical integrity in LFCSP variants; for LQFP, it is not internally connected but recommended for mechanical stability.

Pin/Terminal	Circuit Role	Design Meaning
IN+, IN−	Differential analog input pair	Accepts pseudo-differential or true bipolar inputs; IN− serves as ground sense reference for common-mode rejection.
CNVST	Conversion start trigger	Falling-edge initiated sampling - defines precise aperture time (2 ns delay, 5 ps rms jitter) for time-critical acquisition.
BUSY	Conversion status indicator	Active-high signal indicates conversion in progress; falling edge marks data readiness for latch or read.
SER/PAR	Interface mode select	Low = parallel mode (D[15:0] active); high = serial mode (SDOUT/SDCLK/SYNC enabled, D[0:15] become I/O).
BIPOLAR, TEN	Hardware input range control	Two-pin encoding selects among four input ranges (0–5 V, 0–10 V, ±5 V, ±10 V) without software overhead.
REF, PDREF, PDBUF	Reference management	PDREF = low enables internal 5 V reference; PDBUF = low activates buffer - both required for buffered internal reference use.
TEMP	Analog temperature output	311 mV @ 25°C, 1 mV/°C slope - provides on-chip die temperature monitoring without external sensor.

Key Features

Feature	Design Value
Programmable input ranges	Four hardware-selectable ranges (0–5 V, 0–10 V, ±5 V, ±10 V) enable single-part flexibility across diverse sensor interfaces.
iCMOS® process technology	Enables ±15 V analog supplies (VCC/VEE) while maintaining 5 V digital logic compatibility - critical for isolated industrial signal chains.
No pipeline delay	SAR architecture delivers immediate result availability after BUSY deassertion - essential for closed-loop control and deterministic latency.
Parallel + serial dual interface	16-bit parallel bus (8-/16-bit configurable) and SPI-compatible serial port allow coexistence with legacy microcontrollers and space-constrained FPGA designs.
On-chip temperature sensor	Calibrated analog output (311 mV @ 25°C, ±1 mV/°C) enables system-level thermal compensation without added BOM cost or layout area.

Applications

Process Control	Medical Instrumentation
Use Scenario: High-precision analog input module in PLC I/O cards acquiring pressure, flow, and temperature sensor outputs with ±10 V industrial standards. IC Role / Device Role / Timing Role: Primary SAR ADC performing synchronized multi-channel sampling with hardware-configured bipolar range and low-latency parallel readout. Use Value: Eliminates external level-shifting and reference components; 94 dB SNR ensures resolution of sub-millivolt signals in noisy factory environments.	Use Scenario: Front-end digitizer in portable ultrasound or ECG systems requiring low power, high linearity, and on-chip temperature monitoring. IC Role / Device Role / Timing Role: Signal-chain ADC capturing conditioned bio-potential waveforms at 250 kSPS with internal 5 V reference and minimal external support. Use Value: Reduces system power to 90 mW at full rate; on-chip TEMP pin enables real-time gain calibration against thermal drift.
High-Speed Data Acquisition	Spectrum Analysis
Use Scenario: Modular DAQ card in automated test equipment capturing transient events (e.g., motor startup surges, relay bounce) with microsecond timing fidelity. IC Role / Device Role / Timing Role: Time-critical converter with 4 μs conversion cycle, 2 ns aperture delay, and BUSY-driven data capture synchronization. Use Value: Enables deterministic sampling windows and eliminates pipeline-induced timing uncertainty in event-triggered acquisition.	Use Scenario: Digitizer stage in benchtop spectrum analyzers measuring harmonic distortion and SFDR of RF components up to 650 kHz bandwidth. IC Role / Device Role / Timing Role: Precision ADC providing 107 dB spurious-free dynamic range and −107 dB THD for clean spectral representation. Use Value: Meets IEEE 1057 standard requirements for dynamic testing; 94 dB SNR preserves low-level spectral components amid noise floor.

Process Control

Medical Instrumentation

Use Scenario: High-precision analog input module in PLC I/O cards acquiring pressure, flow, and temperature sensor outputs with ±10 V industrial standards.

IC Role / Device Role / Timing Role: Primary SAR ADC performing synchronized multi-channel sampling with hardware-configured bipolar range and low-latency parallel readout.

Use Value: Eliminates external level-shifting and reference components; 94 dB SNR ensures resolution of sub-millivolt signals in noisy factory environments.

Use Scenario: Front-end digitizer in portable ultrasound or ECG systems requiring low power, high linearity, and on-chip temperature monitoring.

IC Role / Device Role / Timing Role: Signal-chain ADC capturing conditioned bio-potential waveforms at 250 kSPS with internal 5 V reference and minimal external support.

Use Value: Reduces system power to 90 mW at full rate; on-chip TEMP pin enables real-time gain calibration against thermal drift.

High-Speed Data Acquisition

Spectrum Analysis

Use Scenario: Modular DAQ card in automated test equipment capturing transient events (e.g., motor startup surges, relay bounce) with microsecond timing fidelity.

IC Role / Device Role / Timing Role: Time-critical converter with 4 μs conversion cycle, 2 ns aperture delay, and BUSY-driven data capture synchronization.

Use Value: Enables deterministic sampling windows and eliminates pipeline-induced timing uncertainty in event-triggered acquisition.

Use Scenario: Digitizer stage in benchtop spectrum analyzers measuring harmonic distortion and SFDR of RF components up to 650 kHz bandwidth.

IC Role / Device Role / Timing Role: Precision ADC providing 107 dB spurious-free dynamic range and −107 dB THD for clean spectral representation.

Use Value: Meets IEEE 1057 standard requirements for dynamic testing; 94 dB SNR preserves low-level spectral components amid noise floor.

Equivalent & Alternatives

The following parts are listed as comparable options for similar SAR ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD7606BSTZ-RL	8-channel simultaneous sampling, 16-bit, 200 kSPS per channel, internal 2.5 V reference, no true bipolar input (uses pseudo-differential)	Optimized for multi-sensor synchronous acquisition (e.g., vibration monitoring), not single-channel high-SNR precision	Select when channel count >1 and simultaneous sampling is mandatory; trade off SNR (90 dB) and bipolar capability for integration density.
ADS8860IDRCT	16-bit, 1 MSPS, single-ended input only, external reference required, SPI-only interface, 1.8 V/3.3 V supply	Targeted at battery-powered portable instruments needing ultra-low power (12 mW @ 1 MSPS) and compact WSON-10 package	Select for high-throughput, low-power, space-constrained designs where bipolar input and internal reference are not required.

Compared with AD7610BSTZ-RL, AD7606BSTZ-RL trades single-channel SNR and true bipolar input for multi-channel simultaneity, while ADS8860IDRCT sacrifices bipolar range support and internal reference to achieve 4× higher speed and 7× lower power - making AD7610BSTZ-RL optimal for industrial DAQ demanding precision, flexibility, and robustness over raw speed or channel count.

Availability

AD7610BSTZ-RL is available at Aetrix Electronics and suitable for process control systems, medical instrumentation, high-speed data acquisition modules, and spectrum analysis equipment requiring stable component supply, long-term industrial lifecycle support, and guaranteed Pb-free compliance.

Supply support for AD7610BSTZ-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, Inc. 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 AD7610 belongs to Analog Devices' PulSAR® family of precision SAR ADCs, designed specifically for industrial, medical, and test equipment applications demanding high DC accuracy, excellent AC performance, flexible interface options, and robust operation across extended temperature ranges.

FAQ

What input voltage ranges does the AD7610BSTZ-RL support, and how are they selected?

The AD7610BSTZ-RL supports four input ranges: 0 V to 5 V, 0 V to 10 V, ±5 V, and ±10 V. Selection is performed either via hardware pins (BIPOLAR and TEN) or through the serial configuration port. Hardware selection enables immediate, deterministic range switching without firmware intervention - critical for real-time reconfiguration in adaptive measurement systems. The AD7610BSTZ-RL's iCMOS® process ensures safe operation across the full ±10 V range with appropriate VCC/VEE supplies.

Does the AD7610BSTZ-RL require an external reference, or does it include an internal one?

The AD7610BSTZ-RL integrates a precision 5 V internal reference with typical drift of 3 ppm/°C over −40°C to +85°C, eliminating the need for an external reference in most applications. When PDREF and PDBUF are driven low, the internal reference and buffer are enabled, producing a stable 5 V output on the REF pin. An external reference (4.75 V to AVDD + 0.1 V) may be used by setting PDREF high, allowing system-level reference sharing or enhanced stability via ultra-low-drift external sources. The AD7610BSTZ-RL supports both configurations without hardware change.

What is the significance of the BUSY pin on the AD7610BSTZ-RL, and how should it be used in system design?

The BUSY pin on the AD7610BSTZ-RL is a critical timing signal that goes high at CNVST falling edge and remains high until conversion completion and data latching into the output register. Its falling edge serves as a precise "data ready" strobe for parallel or serial read operations. In master serial read-after-convert mode, BUSY width varies with DIVSCLK settings (2.25–7.30 μs), requiring timing alignment per Table 4. Proper decoupling of AVDD/DVDD and tight PCB layout around BUSY reduce jitter coupling - ensuring deterministic latency essential for closed-loop control using the AD7610BSTZ-RL.

Can the AD7610BSTZ-RL operate with 3.3 V digital logic, and what supply rails are required?

Yes, the AD7610BSTZ-RL supports 3.3 V digital logic via the OVDD pin (2.7 V to 5.25 V), which powers all digital I/O including D[0:15], CS, RD, SER/PAR, and control pins. AVDD and DVDD require 4.75 V to 5.25 V for analog/digital core operation, while VCC (+7 V to +15 V) and VEE (−15 V to 0 V) supply the analog front-end - enabling true bipolar input operation. This separation allows interfacing with 3.3 V microcontrollers or FPGAs while maintaining ±15 V analog headroom. All supplies must be independently decoupled per the AD7610BSTZ-RL datasheet guidelines.

How does the AD7610BSTZ-RL handle temperature variation, and what role does the TEMP pin play?

The AD7610BSTZ-RL includes an on-chip temperature sensor with calibrated output: 311 mV at 25°C and 1 mV/°C sensitivity. This analog output (TEMP pin) enables real-time die temperature monitoring for system-level thermal compensation - for example, correcting gain/offset drift in precision sensor interfaces. The sensor is automatically enabled when the internal reference is active (PDREF = PDBUF = low). Its 4.33 kΩ output impedance requires buffering for accurate ADC measurement; the AD7610BSTZ-RL's own conversion capability can digitize TEMP directly, avoiding external components. Temperature drift of the internal reference is specified at ±3 ppm/°C - a key contributor to overall system stability.

AD7610BSTZ-RL Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: iCMOS®, PulSAR®

Package/Case:: 48-LQFP

Packaging:: Tape & Reel (TR)

Product Status:: Active

Number of Bits:: 16

Sampling Rate (Per Second):: 250k

Number of Inputs:: 1

Input Type:: Differential

Data Interface:: SPI, Parallel, DSP

Configuration:: S/H-ADC

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

Number of A/D Converters:: 1

Architecture:: SAR

Reference Type:: External, Internal

Voltage - Supply, Analog:: 5V

Voltage - Supply, Digital:: 5V

Features:: True Bipolar

Operating Temperature:: -40°C ~ 85°C

Supplier Device Package:: 48-LQFP (7x7)

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

AD7610BSTZ-RL FAQ

1.How can I place an order for AD7610BSTZ-RL through Aetrix?

Please submit a Request for Quotation (RFQ) for AD7610BSTZ-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 AD7610BSTZ-RL reliable?

The price and inventory of AD7610BSTZ-RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7610BSTZ-RL is usually 5 days.

3.What payment methods are accepted for AD7610BSTZ-RL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7610BSTZ-RL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AD7610BSTZ-RL?

AD7610BSTZ-RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD7610BSTZ-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 AD7610BSTZ-RL?

For technical support, including AD7610BSTZ-RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7610BSTZ-RL requirements.

6.How does Aetrix verify that AD7610BSTZ-RL is sourced from the original manufacturer or authorized distributors?

All AD7610BSTZ-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 AD7610BSTZ-RL meets industry standards.

7.What is the process for return or replacement of AD7610BSTZ-RL?

All AD7610BSTZ-RL units undergo pre-shipment inspection (PSI). If there is an issue with AD7610BSTZ-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 AD7610BSTZ-RL part is unused and in its original packaging.

Return procedure for AD7610BSTZ-RL:

1.Submit a request within 90 days.

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

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