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Analog Devices Inc. AD592CNZ
- Part No.:
- AD592CNZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog and Digital Output
- Package:
- TO-226-3, TO-92-3 (TO-226AA)
- Datasheet:
-
AD592CNZ.pdf
- Description:
- SENSOR ANALOG -25C-105C TO92-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,869
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Product details
Overview
AD592CNZ from Analog Devices is a two-terminal monolithic IC temperature transducer providing 1 µA/K current output proportional to absolute temperature (Kelvin), with ±0.5°C max calibration error at +25°C, ±1.0°C max total error over –25°C to +105°C, and single-supply operation from +4 V to +30 V - used in HVAC monitoring, automotive cabin sensing, and industrial temperature diagnostics.
For engineers reviewing the AD592CNZ datasheet, AD592CNZ pinout, AD592CNZ application, or AD592CNZ equivalent, key selection criteria include its current-output architecture for noise-immune remote sensing, TO-92 package compatibility with through-hole PCB layouts, guaranteed linearity of ≤0.15°C (0°C to +70°C), and absence of cold-junction compensation circuitry required by thermocouples.
Technical Context
The AD592CNZ implements a PTAT (Proportional-To-Absolute-Temperature) current source using matched silicon transistor pairs and laser-trimmed thin-film resistors to achieve 1 µA/K scaling. Its two-terminal configuration eliminates separate ground or reference pins, simplifying wiring in distributed sensor networks.
It operates as a high-impedance current source across 4–30 V supply range, rejecting supply ripple up to 0.1°C/V above +15 V, and exhibits minimal self-heating (<0.2°C in still air at +25°C with 5 V supply) due to low power dissipation and thermal design optimized for TO-92 packaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Current | 298.2 µA at +25°C (298.2 K); enables direct Kelvin-to-voltage conversion via precision resistor |
| Temperature Coefficient | 1 µA/°C; provides linear, predictable scaling across full operating range |
| Accuracy @ +25°C | ±0.5°C max (C-grade); allows single-point calibration for sub-degree system accuracy |
| Operating Range | –25°C to +105°C; supports industrial and automotive ambient environments without derating |
| Supply Voltage | +4 V to +30 V; permits use with unregulated supplies and long-line remote powering |
| Nonlinearity | ≤0.15°C (0°C to +70°C); reduces need for software linearization in mid-range applications |
| Long-Term Stability | 0.1°C/month at +125°C; ensures consistent performance in continuously powered systems |
Pinout & Package
AD592CNZ is housed in a 3-pin plastic TO-92 package (JEDEC TO-226-AA, package option T-3-1), with leads spaced 0.100" (2.54 mm) apart, suitable for through-hole mounting and manual soldering. Pin 2 is NC (no connect) and may be left unattached per datasheet guidance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PIN 1 (+) | Positive Supply Terminal | Connects to +4 V to +30 V supply; carries full output current |
| PIN 2 (NC) | No-Connect Terminal | Internally unconnected; may be left floating or clipped - no electrical function |
| PIN 3 (–) | Negative Supply / Return Terminal | Completes current path; referenced to system ground when converting to voltage |
Key Features
| Feature | Design Value |
|---|---|
| Current-mode output | Immune to voltage drop and EMI on long interconnects - ideal for remote sensing up to 100+ meters |
| Two-terminal architecture | Eliminates dedicated ground/reference trace; reduces BOM count and layout complexity |
| Laser wafer trimming | Ensures unit-to-unit interchangeability without system-level recalibration |
| Supply ripple rejection | 0.1°C/V above +15 V - enables use with low-cost switching supplies in embedded systems |
| Thermal self-heating control | ≤0.2°C error in free air at +25°C - maintains accuracy without heatsinking in standard enclosures |
Applications
| Appliance Temperature Sensing | Automotive Cabin Monitoring |
|---|---|
Use Scenario: Measuring oven cavity or refrigerator evaporator temperature in white goods. IC Role / Device Role / Timing Role: Two-terminal current-output transducer converting local temperature to scalable analog signal. Use Value: Eliminates need for bridge circuits or precision references; enables cost-effective integration with existing microcontroller ADCs via simple 1 kΩ load resistor. | Use Scenario: Monitoring passenger compartment air temperature for HVAC feedback control. IC Role / Device Role / Timing Role: Remote temperature node delivering noise-immune current output over vehicle harness wiring. Use Value: Immunity to engine bay EMI and voltage fluctuations ensures stable cabin climate control without signal conditioning. |
| HVAC System Diagnostics | Industrial Board-Level Thermal Management |
Use Scenario: Detecting coil freeze or duct airflow blockage in commercial HVAC units. IC Role / Device Role / Timing Role: Absolute temperature sensor feeding into PLC or dedicated controller for fault detection logic. Use Value: Guaranteed ±1.0°C accuracy over –25°C to +105°C enables reliable threshold-based alarms without field recalibration. | Use Scenario: Real-time junction temperature monitoring of FPGAs, power MOSFETs, or DC-DC converters on industrial PCBs. IC Role / Device Role / Timing Role: Localized thermal transducer mounted near heat-generating components for dynamic thermal throttling. Use Value: Low self-heating (<0.2°C) and fast thermal response (τ ≈ 60 s in still air) support accurate real-time thermal profiling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar temperature transducer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM35DH/NOPB | Voltage-output (10 mV/°C); requires buffered op-amp stage for long-line transmission | Suitable for short-run PCB-local sensing; not recommended for >1 m cable runs due to noise susceptibility | Select LM35DH/NOPB only when board space constraints preclude load-resistor placement or when existing design uses voltage-input ADCs without current-sense capability |
| TSIC506-100 | Digital I²C output; integrated 12-bit ADC and EEPROM calibration data; fixed 0°C to +100°C range | Requires microcontroller with I²C interface; limited to lower-temperature industrial use cases | Choose TSIC506-100 when digital output, factory calibration traceability, or multi-sensor bus topology is prioritized over analog simplicity and extended range |
Compared with LM35DH/NOPB and TSIC506-100, the AD592CNZ delivers superior noise immunity over distance, wider operating range (–25°C to +105°C), and zero external component requirements for basic voltage conversion - making it optimal for rugged, analog-centric, or cost-sensitive remote sensing deployments.
Availability
AD592CNZ is available at Aetrix Electronics and suitable for HVAC system diagnostics, automotive cabin monitoring, and industrial board-level thermal management requiring stable component supply and RoHS-compliant sourcing.
Supply support for AD592CNZ 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision measurement and control.
The AD592 product line delivers monolithic, two-terminal temperature transducers optimized for industrial, automotive, and appliance applications where reliability, linearity, and noise immunity outweigh digital interface convenience.
FAQ
What is the pin configuration of the AD592CNZ?
The AD592CNZ uses a 3-pin TO-92 package with PIN 1 (+) as the positive supply terminal, PIN 2 (NC) as a no-connect terminal that may be left unattached, and PIN 3 (–) as the negative return terminal. This two-terminal current-source architecture means PIN 2 has no internal connection and serves no functional role in circuit operation.
Does the AD592CNZ require external calibration for typical applications?
The AD592CNZ is precalibrated to ±0.5°C at +25°C and does not require external calibration for most industrial and automotive applications. However, if system-level accuracy better than ±0.5°C is needed, a single-point trim at +25°C using a precision reference resistor can null initial calibration error - a procedure explicitly supported in the AD592CNZ datasheet.
Can the AD592CNZ be used in a 4–20 mA current loop system?
The AD592CNZ itself outputs 1 µA/K and is not compliant with 4–20 mA industrial current loop standards. However, it can serve as the front-end sensor in a 4–20 mA transmitter circuit - for example, using an op-amp stage to scale and offset its output - as demonstrated in Figure 12 of the AD592CNZ datasheet.
What is the maximum allowable supply voltage for the AD592CNZ?
The AD592CNZ supports a supply voltage range of +4 V to +30 V DC. Its absolute maximum forward voltage rating is +44 V, but operation above +30 V is not characterized or guaranteed. For stable performance and specified accuracy, the supply must remain within the +4 V to +30 V range per the AD592CNZ datasheet.
How does the AD592CNZ handle self-heating in enclosed environments?
The AD592CNZ exhibits ≤0.2°C self-heating error in still air at +25°C with a +5 V supply. In enclosed or high-temperature environments, self-heating increases proportionally to power dissipation and thermal resistance (θJA). Mounting with thermally conductive epoxy or adding a clip-on heatsink reduces θJA and limits error - values are quantified in Table I of the AD592CNZ datasheet.
AD592CNZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-226-3, TO-92-3 (TO-226AA)
- Packaging:
- Bulk
- Product Status:
- Active
- Sensor Type:
- Analog, Local
- Sensing Temperature - Local:
- -25°C ~ 105°C
- Sensing Temperature - Remote:
- -
- Output Type:
- Analog Current
- Voltage - Supply:
- 4V ~ 30V
- Resolution:
- -
- Features:
- -
- Accuracy - Highest (Lowest):
- ±0.5°C
- Test Condition:
- 25°C
- Operating Temperature:
- -25°C ~ 105°C
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- TO-92-3
AD592CNZ FAQ
1.How can I place an order for AD592CNZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AD592CNZ 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 AD592CNZ reliable?
The price and inventory of AD592CNZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD592CNZ is usually 5 days.
3.What payment methods are accepted for AD592CNZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD592CNZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD592CNZ?
AD592CNZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD592CNZ 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 AD592CNZ?
For technical support, including AD592CNZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD592CNZ requirements.
6.How does Aetrix verify that AD592CNZ is sourced from the original manufacturer or authorized distributors?
All AD592CNZ 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 AD592CNZ meets industry standards.
7.What is the process for return or replacement of AD592CNZ?
All AD592CNZ units undergo pre-shipment inspection (PSI). If there is an issue with AD592CNZ, 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 AD592CNZ part is unused and in its original packaging.
Return procedure for AD592CNZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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