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Analog Devices Inc. AD7417BRZ-REEL7
- Part No.:
- AD7417BRZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog and Digital Output
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD7417BRZ-REEL7.pdf
- Description:
- SENSOR DIGITAL -40C-55C 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,759
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Product details
Overview
AD7417BRZ-REEL7 from Analog Devices is a 10-bit, 4-channel I²C-compatible ADC with integrated temperature sensor (±1°C accuracy at 25°C), operating from 2.7 V to 5.5 V supply. It features on-chip 2.5 V reference, track-and-hold, and overtemperature indicator (OTI) output, used for ambient temperature monitoring and multi-sensor data acquisition in embedded systems.
For engineers reviewing the AD7417BRZ-REEL7 datasheet, AD7417BRZ-REEL7 pinout, AD7417BRZ-REEL7 application, or AD7417BRZ-REEL7 equivalent, this page delivers verified technical context, real-world design meaning of specifications, validated pin functions, and confirmed alternative options - all grounded in Rev. J datasheet facts for the exact SOIC-16 variant.
Technical Context
The AD7417BRZ-REEL7 integrates a 15 μs successive approximation ADC, 5-channel multiplexer (4 external analog inputs + Channel 0 for internal temperature sensor), on-chip 2.5 V reference, and I²C serial interface with programmable address (A0–A2). Its conversion timing differs by channel: 15 μs for AIN1–AIN4, 30 μs for temperature sensing.
It implements digital overtemperature detection via comparator logic comparing Channel 0's ADC code against TOTI/THYST registers, with configurable OTI polarity (active high/low) and fault queue threshold (1–4 consecutive out-of-limit readings) to suppress noise-induced false triggers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - delivers 1024 discrete steps across full-scale input range, enabling precise voltage and temperature quantization. |
| Temperature Accuracy | ±1°C at 25°C, ±2°C over −40°C to +125°C range - ensures reliable thermal monitoring without external calibration. |
| Conversion Time | 15 μs (AIN1–AIN4), 30 μs (temperature) - supports up to ~67 kSPS for analog channels and ~33 kSPS for thermal sampling. |
| Supply Range | 2.7 V to 5.5 V - compatible with 3.3 V and 5 V logic domains, simplifying integration into mixed-voltage systems. |
| I²C Address Flexibility | 3 LSBs (A0/A1/A2) programmable - allows up to eight AD7417BRZ-REEL7 devices on one bus without address conflict. |
| Power Consumption | 600 μA typical in normal operation; 1.5 μA in power-down - enables low-power thermal logging in battery-operated devices. |
| Input Channels | 4 single-ended analog inputs + dedicated temperature sensor channel - supports simultaneous environmental and signal monitoring. |
Pinout & Package
AD7417BRZ-REEL7 is supplied in a 16-lead narrow-body SOIC package (5.3 mm × 10.2 mm, 1.27 mm pitch), RoHS-compliant and tape-and-reel packaged (REEL7).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 16 | NC | No connection - must remain unconnected; floating or tied pins may cause EMI or latch-up risk. |
| 2 | SDA | I²C bidirectional data line - push-pull output capable of driving standard I²C bus loads without external pull-up dependency for sourcing. |
| 3 | SCL | I²C clock input - synchronous timing reference for register reads/writes and automatic conversion triggers. |
| 4 | OTI | Open-drain overtemperature indicator - asserts low when temperature exceeds TOTI register value; requires external pull-up for logic-level compatibility. |
| 5 | REFIN | Reference input - accepts external 2.5 V source; tying to GND enables internal 2.5 V reference (shuts down when external ref applied). |
| 6 | GND | Analog/digital ground reference - shared return for ADC, comparator, DAC, and digital logic; must be low-impedance and star-connected. |
| 7–10 | AIN1–AIN4 | Single-ended analog inputs - each referenced to GND, accepting 0 V to VREF signals; unused channels should be tied to GND for lowest noise and power. |
| 11–13 | A2, A1, A0 | I²C address select inputs - define device address bits (A2A1A0); enable up to eight AD7417BRZ-REEL7 units on same bus. |
| 14 | VDD | Positive supply - powers all analog and digital circuitry; requires local 0.1 μF ceramic decoupling per datasheet Figure 9. |
| 15 | CONVST | Convert start input - rising edge powers up device (4 μs wake-up); falling edge initiates conversion if pulse >4 μs, otherwise conversion starts after power-up completes. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated temperature sensor | Directly measures ambient die temperature (−40°C to +125°C) via Channel 0 with ±1°C error at 25°C - eliminates need for external thermistor or RTD circuitry. |
| Configurable OTI output | Programmable active-high/active-low polarity and fault queue depth (1–4 samples) - prevents spurious interrupts in electrically noisy industrial environments. |
| Auto power-down mode | Enters ultra-low-current state (<1.5 μA) automatically after each conversion - reduces average power in intermittent-sampling applications like HVAC controllers. |
| On-chip 2.5 V reference | 80 ppm/°C tempco, ±25 mV error - provides stable scaling for ADC without external precision reference, saving board space and BOM cost. |
| 4-channel analog input mux | Supports independent sampling of four external sensors (e.g., voltage, current, pressure) alongside temperature - enables compact multi-parameter monitoring nodes. |
Applications
| Industrial Process Monitoring | Embedded PC Thermal Management |
|---|---|
|
Use Scenario: Real-time monitoring of motor winding temperature, coolant inlet/outlet, and control voltage levels in PLC-based automation cabinets. IC Role / Device Role / Timing Role: AD7417BRZ-REEL7 acts as a 4-channel analog front-end + thermal sensor, performing synchronized conversions triggered by microcontroller I²C commands every 100 ms. Use Value: Single-chip integration reduces component count vs. discrete ADC + temp sensor solutions, while ±1°C accuracy ensures safe thermal shutdown thresholds are met. |
Use Scenario: Fan speed control and CPU/GPU thermal throttling in compact fanless industrial PCs using passive cooling. IC Role / Device Role / Timing Role: AD7417BRZ-REEL7 continuously monitors system ambient temperature and VRM output voltages (via AIN1–AIN4), feeding data to host MCU via I²C at 10 Hz. Use Value: OTI output directly drives fan enable logic without software polling, cutting response latency to <1 ms for overtemperature events. |
| Battery-Powered Environmental Logger | Automotive Cabin Climate Control |
|
Use Scenario: Portable data logger recording temperature, humidity (via analog-output sensor), and battery voltage over multi-day deployments. IC Role / Device Role / Timing Role: AD7417BRZ-REEL7 performs burst-mode sampling (1 sample/sec × 4 channels + temp) then enters auto power-down, achieving <5 μA average current draw. Use Value: 1.5 μA shutdown current extends CR2032 battery life beyond 2 years, while 10-bit resolution captures subtle environmental trends. |
Use Scenario: Zone-specific temperature sensing in automotive HVAC modules, measuring cabin air, duct outlet, and sunload-compensated ambient. IC Role / Device Role / Timing Role: AD7417BRZ-REEL7 interfaces with body controller MCU via I²C, delivering calibrated temperature codes and analog sensor outputs every 250 ms. Use Value: On-chip reference stability (80 ppm/°C) maintains accuracy across −40°C to +85°C automotive temperature range without recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar temperature-sensing ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7418ARZ | Single-channel (1 analog input + temp sensor), 8-lead SOIC package, identical core specs (10-bit, 30 μs temp conv, ±1°C acc). | Lacks AIN2–AIN4; suited for space-constrained designs where only one external analog signal needs digitizing alongside temperature. | Select AD7418ARZ when board area is critical and 4-channel capability is unnecessary - saves PCB real estate and reduces routing complexity. |
| MAX1272EAP+ | 12-bit resolution, SPI interface, no integrated temp sensor, 12-channel mux, wider supply (2.7 V–5.25 V). | Requires external temperature sensor; offers higher resolution but adds component count and interface overhead. | Choose MAX1272EAP+ only if 12-bit precision is mandatory and I²C is not required - AD7417BRZ-REEL7 remains superior for integrated thermal + analog sensing. |
Compared with AD7418ARZ, AD7417BRZ-REEL7 provides two extra analog channels and larger SOIC-16 footprint for easier layout; versus MAX1272EAP+, it trades resolution and channel count for seamless thermal integration and simpler I²C firmware integration.
Availability
AD7417BRZ-REEL7 is available at Aetrix Electronics and suitable for industrial process control, embedded PC thermal management, and battery-powered environmental logging requiring stable component supply and long-term manufacturability.
Supply support for AD7417BRZ-REEL7 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 AD7417 is part of Analog Devices' precision data acquisition portfolio, designed specifically for space- and power-constrained systems needing simultaneous analog voltage and ambient temperature measurement with minimal external components.
FAQ
What is the operating temperature range of the AD7417BRZ-REEL7?
The AD7417BRZ-REEL7 operates across −40°C to +125°C, with temperature sensor accuracy specified as ±1°C at 25°C and ±2°C over the full range. This A-grade rating makes AD7417BRZ-REEL7 suitable for harsh industrial and automotive under-hood environments where extended thermal performance is required.
Does the AD7417BRZ-REEL7 require an external reference voltage?
No - the AD7417BRZ-REEL7 includes an internal 2.5 V reference with ±25 mV error and 80 ppm/°C temperature coefficient. To use it, tie the REFIN pin to GND. An external 2.5 V reference can be applied to REFIN instead, which disables the internal reference and allows higher-precision measurements when needed.
How does the overtemperature indicator (OTI) output function on the AD7417BRZ-REEL7?
The OTI output on AD7417BRZ-REEL7 is an open-drain logic signal that asserts low when the temperature sensor reading exceeds the value stored in the TOTI register. Its behavior is configurable: polarity (active high/low), mode (comparator or interrupt), and fault queue depth (1–4 consecutive out-of-limit conversions) - all set via I²C-accessible registers.
Can the AD7417BRZ-REEL7 measure multiple analog inputs simultaneously?
No - the AD7417BRZ-REEL7 uses a single 10-bit successive approximation ADC with a 5-channel multiplexer. It sequentially samples AIN1–AIN4 or the internal temperature sensor (Channel 0), not concurrently. Channel selection is controlled by writing to the configuration register before initiating conversion via CONVST or I²C command.
What package type and lead count does the AD7417BRZ-REEL7 use?
The AD7417BRZ-REEL7 is housed in a 16-lead narrow-body SOIC package (5.3 mm × 10.2 mm, 1.27 mm pitch), with "BRZ" denoting the RoHS-compliant SOIC variant and "REEL7" indicating tape-and-reel packaging per EIA-481 standard for automated assembly.
AD7417BRZ-REEL7 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-REEL7 FAQ
1.How can I place an order for AD7417BRZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD7417BRZ-REEL7 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-REEL7 reliable?
The price and inventory of AD7417BRZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7417BRZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD7417BRZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7417BRZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD7417BRZ-REEL7?
AD7417BRZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD7417BRZ-REEL7 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-REEL7?
For technical support, including AD7417BRZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7417BRZ-REEL7 requirements.
6.How does Aetrix verify that AD7417BRZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD7417BRZ-REEL7 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-REEL7 meets industry standards.
7.What is the process for return or replacement of AD7417BRZ-REEL7?
All AD7417BRZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD7417BRZ-REEL7, 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-REEL7 part is unused and in its original packaging.
Return procedure for AD7417BRZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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