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Analog Devices Inc. AD7417BRZ-REEL
- Part No.:
- AD7417BRZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog and Digital Output
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD7417BRZ-REEL.pdf
- Description:
- SENSOR DIGITAL -40C-55C 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,235
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Product details
Overview
AD7417BRZ-REEL from Analog Devices is a 10-bit, 4-channel analog-to-digital converter with integrated temperature sensor (−40°C to +125°C), I²C-compatible serial interface, and on-chip 2.5 V reference. It delivers 15 μs conversion time for analog inputs and 30 μs for temperature measurement, operates from 2.7 V to 5.5 V, and supports up to eight devices on one bus via A0/A1/A2 address pins - used in industrial process control, PC thermal monitoring, and battery management systems.
For engineers reviewing the AD7417BRZ-REEL datasheet, AD7417BRZ-REEL pinout, AD7417BRZ-REEL application, or AD7417BRZ-REEL equivalent, key selection criteria include its ±1°C temperature accuracy at 25°C, programmable overtemperature indicator (OTI) with fault queue, automatic power-down mode (1.5 μA shutdown current), and 16-pin SOIC/TSSOP package compatibility with space-constrained embedded designs.
Technical Context
The AD7417BRZ-REEL integrates a successive approximation ADC, 5-channel multiplexer (including Channel 0 for internal temperature sensing), track-and-hold amplifier (400 ns acquisition time), and I²C interface with selectable slave address (A0–A2). Its on-chip 2.5 V reference enables self-contained operation unless overdriven by an external 2.5 V source at REFIN.
Conversion is initiated either by CONVST pulse (falling edge triggers hold + conversion) or automatically after each I²C read/write. Temperature data is accessed via Channel 0; OTI output activates open-drain when measured temperature exceeds TOTI register value, configurable for comparator or interrupt mode with programmable fault queue depth.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - provides 1/4°C temperature resolution and 0.1% full-scale analog measurement precision. |
| Temp Accuracy | ±1°C at 25°C, ±2°C over −40°C to +125°C range - enables reliable ambient thermal monitoring without calibration. |
| Conversion Time | 15 μs (AIN1–AIN4), 30 μs (Channel 0 temp) - supports >66 kSPS throughput for analog channels and real-time thermal feedback. |
| Supply Range | 2.7 V to 5.5 V - compatible with single-supply 3.3 V and 5 V systems without level-shifting. |
| I²C Address Pins | A0, A1, A2 - allow up to 8 AD7417BRZ-REEL devices on one bus, simplifying multi-zone thermal sensing architectures. |
| Power-Down Current | 1.5 μA max - reduces standby power in battery-powered applications like portable instrumentation. |
| Reference | Internal 2.5 V ±25 mV - eliminates need for external reference unless higher accuracy is required. |
Pinout & Package
AD7417BRZ-REEL is supplied in a 16-lead narrow-body SOIC (0.15 inch) or TSSOP package. Pin 1 is NC (no connect); pins 7–10 are AIN1–AIN4 analog inputs; pins 11–13 are A2/A1/A0 address inputs; pin 4 is open-drain OTI output; pin 15 is CONVST; pin 5 is REFIN; pins 2 and 3 are SDA/SCL I²C interface; pin 6 is GND; pin 14 is VDD.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | NC | No connection - must remain unconnected to avoid parasitic coupling or latch-up risk. |
| 2 | SDA | I²C bidirectional data line - push-pull output, requires external pull-up for bus arbitration. |
| 3 | SCL | I²C clock input - synchronous timing source for all register reads/writes and auto-conversion triggers. |
| 4 | OTI | Open-drain overtemperature indicator - active-low signal asserted when Channel 0 reading exceeds TOTI register. |
| 5 | REFIN | Reference input - tied to GND to enable internal 2.5 V reference; accepts external 2.5 V source if higher stability needed. |
| 6 | GND | Analog/digital ground reference - shared return path for track-and-hold, comparator, and digital logic. |
| 7–10 | AIN1–AIN4 | Single-ended analog inputs - 0 V to VREF range, each selectable via configuration register for multiplexed sampling. |
| 11–13 | A2, A1, A0 | I²C address bits - configure unique 3-bit slave address (0x48–0x4F) for multi-device bus topology. |
| 14 | VDD | Positive supply - powers analog core, digital interface, and internal oscillator (2.7–5.5 V operation). |
| 15 | CONVST | Convert start trigger - rising edge powers up device; falling edge (if ≥4 μs) initiates conversion and holds sample. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated temperature sensor | Measures ambient die temperature directly via Channel 0 with ±1°C accuracy at 25°C - eliminates external sensor BOM and layout complexity. |
| Programmable OTI with fault queue | Prevents false alarms by requiring N consecutive out-of-limit readings (N = 1–4) before asserting OTI - critical for noisy industrial environments. |
| Auto power-down mode | Reduces IDD to 1.5 μA after conversion completes - extends battery life in portable thermal monitors without software intervention. |
| On-chip 2.5 V reference | Stable ±25 mV initial error and 80 ppm/°C drift - enables accurate conversions without external reference components or PCB area. |
| I²C address flexibility | A0/A1/A2 pins support 8 unique addresses (0x48–0x4F) - allows daisy-chained thermal monitoring across multiple PCB zones or subsystems. |
Applications
| Industrial Process Control | PC Thermal Management |
|---|---|
Use Scenario: Monitoring cabinet temperature and motor drive heatsink in PLC-controlled manufacturing lines. IC Role / Device Role / Timing Role: AD7417BRZ-REEL acts as local thermal sensor node, converting analog thermistor or direct junction temperature into digital I²C data for controller polling. Use Value: ±2°C accuracy over −40°C to +125°C ensures safe operation within industrial ambient limits; OTI output drives emergency shutdown logic without MCU intervention. |
Use Scenario: Real-time CPU/GPU die temperature tracking and fan speed control in desktop motherboards. IC Role / Device Role / Timing Role: AD7417BRZ-REEL serves as secondary thermal monitor alongside processor-integrated sensors, providing independent validation and redundancy. Use Value: 30 μs temperature conversion latency enables sub-millisecond thermal response; I²C address select allows co-location with other system monitors on same bus. |
| Battery Charging Systems | Automotive Cabin Electronics |
Use Scenario: Measuring Li-ion battery pack temperature during fast charging to prevent thermal runaway. IC Role / Device Role / Timing Role: AD7417BRZ-REEL interfaces directly with charger IC or microcontroller via I²C, sampling cell temperature every 100 ms. Use Value: 1.5 μA shutdown current minimizes quiescent drain on backup batteries; ±1°C accuracy at 25°C ensures precise charge termination near thermal thresholds. |
Use Scenario: Cabin air temperature sensing for HVAC control in infotainment head units or climate modules. IC Role / Device Role / Timing Role: AD7417BRZ-REEL functions as ambient temperature transducer, feeding calibrated digital values to HVAC MCU over I²C. Use Value: −40°C to +125°C operating range covers automotive under-hood and cabin extremes; REFIN pin supports optional external reference for enhanced long-term stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar temperature-sensing ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADT7410TRZ-REEL7 | 16-bit resolution, ±0.25°C accuracy, 3.3 V only, no analog inputs | Higher precision thermal monitoring only - lacks 4-channel ADC capability of AD7417BRZ-REEL | Select when absolute temperature accuracy >0.5°C is required and analog input multiplexing is unnecessary. |
| LM75BIMM/NOPB | 9-bit temperature sensor only, no ADC channels, ±2°C accuracy, 3.3/5 V compatible | Dedicated thermal monitor - no analog input capability or programmable OTI fault queue | Select for cost-sensitive, single-function thermal alerting where 4-channel data acquisition is not needed. |
Compared with AD7417BRZ-REEL, ADT7410TRZ-REEL7 offers superior temperature resolution but omits analog input channels and flexible I²C addressing; LM75BIMM/NOPB provides basic thermal alerting at lower cost but lacks ADC functionality, programmable OTI behavior, and the same level of integration.
Availability
AD7417BRZ-REEL is available at Aetrix Electronics and suitable for industrial process control, PC thermal management, and battery charging applications requiring stable component supply, long-lifecycle support, and guaranteed traceability.
Supply support for AD7417BRZ-REEL 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.
The AD7417BRZ-REEL belongs to Analog Devices' precision temperature-sensing ADC product line, designed specifically for embedded systems needing simultaneous analog voltage measurement and accurate ambient thermal monitoring in compact form factors.
FAQ
What is the operating temperature range of the AD7417BRZ-REEL?
The AD7417BRZ-REEL operates across −40°C to +125°C, with temperature measurement accuracy specified as ±1°C at 25°C and ±2°C over the full range. This makes AD7417BRZ-REEL suitable for harsh environments including industrial controls and automotive under-hood applications where thermal reliability is critical.
Does the AD7417BRZ-REEL require an external reference voltage?
No - the AD7417BRZ-REEL includes an internal 2.5 V reference with ±25 mV initial error and 80 ppm/°C temperature coefficient. An external 2.5 V reference can be applied at the REFIN pin if higher accuracy or stability is required, which disables the internal reference automatically.
How many analog input channels does the AD7417BRZ-REEL support?
The AD7417BRZ-REEL supports four single-ended analog input channels (AIN1–AIN4), in addition to Channel 0 dedicated to the on-chip temperature sensor. All five channels are accessed via an internal multiplexer controlled through the configuration register over the I²C interface.
Can multiple AD7417BRZ-REEL devices share the same I²C bus?
Yes - the AD7417BRZ-REEL features three hardware address pins (A0, A1, A2) that allow up to eight devices to be uniquely addressed on a single I²C bus (addresses 0x48–0x4F). This enables scalable thermal and analog monitoring across distributed subsystems without bus contention.
What is the function of the OTI pin on the AD7417BRZ-REEL?
The OTI (Overtemperature Indicator) pin on the AD7417BRZ-REEL is an open-drain logic output that asserts low when the temperature reading from Channel 0 exceeds the programmed TOTI setpoint register value. Its behavior (active-high/low, comparator/interrupt mode) and fault queue depth are fully configurable via internal registers.
AD7417BRZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Sensor Type:
- Digital, Local
- Sensing Temperature - Local:
- -40°C ~ 55°C
- Sensing Temperature - Remote:
- -
- Output Type:
- I2C
- Voltage - Supply:
- 2.7V ~ 5.5V
- Resolution:
- 10 b
- Features:
- Output Switch, Programmable Limit, Shutdown Mode
- Accuracy - Highest (Lowest):
- ±1°C (±2°C)
- Test Condition:
- 25°C (-40°C ~ 85°C)
- Operating Temperature:
- -40°C ~ 85°C
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-SOIC
AD7417BRZ-REEL FAQ
1.How can I place an order for AD7417BRZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD7417BRZ-REEL 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 AD7417BRZ-REEL reliable?
The price and inventory of AD7417BRZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7417BRZ-REEL is usually 5 days.
3.What payment methods are accepted for AD7417BRZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7417BRZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD7417BRZ-REEL?
AD7417BRZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD7417BRZ-REEL 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 AD7417BRZ-REEL?
For technical support, including AD7417BRZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7417BRZ-REEL requirements.
6.How does Aetrix verify that AD7417BRZ-REEL is sourced from the original manufacturer or authorized distributors?
All AD7417BRZ-REEL 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 AD7417BRZ-REEL meets industry standards.
7.What is the process for return or replacement of AD7417BRZ-REEL?
All AD7417BRZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD7417BRZ-REEL, 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 AD7417BRZ-REEL part is unused and in its original packaging.
Return procedure for AD7417BRZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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