Part A
AD5262BRUZ20
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6118 PCS
- Package
- TSSOP-16
- Series
- Data Acquisition - Digital Potentiometers
Replacement verdict
Compatible functional replacement candidate
The AD5262BRUZ20 and AD5262BRU20 are functionally equivalent dual-channel digital potentiometers sharing identical resistance values, channel count, and package type. The primary distinction lies in the lead-free (RoHS-compliant) construction of the AD5262BRUZ20 versus the lead-containing AD5262BRU20. Designers should verify solder process compatibility and regulatory requirements before substituting, but electrical performance and footprint are interchangeable.
Resistance Value
High match
Channel Count
High match
Package Type
High match
RoHS Compliance
Validation required
Parts at a glance
Part B
AD5262BRU20
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6735 PCS
- Package
- TSSOP-16
- Series
- Data Acquisition - Digital Potentiometers
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD5262BRUZ20 | AD5262BRU20 | Why it matters |
|---|---|---|---|
| Number of Positions | 256 | 256 | Determines the resolution of the digital potentiometer; both provide 8-bit adjustment. |
| Resistance Value | 20 kOhm | 20 kOhm | Sets the end-to-end resistance of the potentiometer, directly affecting the circuit's impedance range. |
| Number of Channels | 2 | 2 | Indicates how many independent potentiometer channels are available in a single package. |
| Supply Voltage Range | 4.5 V to 16.5 V (single), ±2.25 V to ±8.25 V (dual) | 4.5 V to 16.5 V (single), ±2.25 V to ±8.25 V (dual) | Defines the operating voltage window and compatibility with the system power rails. |
| Interface Type | SPI | SPI | Determines the communication protocol used to control the device from a microcontroller. |
| Package / Case | 16-TSSOP | 16-TSSOP | Affects PCB footprint and assembly compatibility; both use the same package type. |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Specifies the environmental conditions under which the device is guaranteed to operate reliably. |
| RoHS Compliance | RoHS Compliant | Non-RoHS / Contains Lead | RoHS status affects regulatory compliance and suitability for markets with hazardous substance restrictions. |
| Packaging / Ordering Suffix | Z = RoHS-compliant, tube | Non-Z = leaded, tube | The suffix indicates environmental compliance and packaging, which impacts procurement and assembly processes. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD5262BRUZ20 | AD5262BRU20 |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Analog Devices Inc. |
| Part Status | Active | Obsolete |
| Taper | Linear | Linear |
| Configuration | Potentiometer | Potentiometer |
| Number of Circuits | 2 | 2 |
| Number of Taps | 256 | 256 |
| Resistance(Ohms) | 20k | 20k |
| Interface | SPI | SPI |
| Memory Type | Volatile | Volatile |
| Voltage - Supply | 4.5V ~ 16.5V, ±5V | 4.5V ~ 16.5V, ±5V |
| Features | Cascade Pin | Cascade Pin |
| Tolerance | ±30% | ±30% |
| Temperature Coefficient(Typ) | 35ppm/°C | 35ppm/°C |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
Frequently asked questions
What is the difference between the AD5262BRUZ20 and the AD5262BRU20?
The primary difference is the package and ordering suffix. The AD5262BRUZ20 is a RoHS-compliant, lead-free version in a 16-lead TSSOP package, while the AD5262BRU20 is the non-RoHS, lead-containing version of the same dual-channel digital potentiometer. Both have a 20 kΩ end-to-end resistance and identical electrical functionality.
Are the AD5262BRUZ20 and AD5262BRU20 electrically interchangeable?
Yes. Both parts share the same dual-channel, 256-position digital potentiometer architecture, 20 kΩ nominal resistance, SPI-compatible interface, and specified operating voltage range. The electrical performance and register map are identical; only the package finish and compliance status differ.
Can the AD5262BRUZ20 be used as a drop-in replacement for the AD5262BRU20?
In most designs, yes, provided the PCB land pattern supports the 16-lead TSSOP package and the design does not require the non-RoHS leaded finish. The pinout and functional behavior are the same, but the user should verify solder profile compatibility and any application-specific RoHS requirements.
What is the end-to-end resistance of the AD5262BRUZ20 and AD5262BRU20?
Both devices have a nominal end-to-end resistance of 20 kΩ. The AD5262 family also includes 10 kΩ, 50 kΩ, and 200 kΩ options, but the "20" suffix in these part numbers denotes the 20 kΩ version.
What package type do the AD5262BRUZ20 and AD5262BRU20 use?
Both parts are supplied in a 16-lead TSSOP (Thin Shrink Small Outline Package). The "RU" in the part number indicates the TSSOP package, and the "Z" in AD5262BRUZ20 indicates RoHS compliance.
What is the operating voltage range for the AD5262BRUZ20 and AD5262BRU20?
Both devices operate from a single supply of 2.7 V to 5.5 V, or from dual supplies of ±2.7 V to ±5.5 V. This flexibility supports both 3 V and 5 V logic systems.
Do the AD5262BRUZ20 and AD5262BRU20 support daisy-chaining?
Yes. Both parts include a serial data output (SDO) pin that allows multiple devices to be daisy-chained on the same SPI bus. This is a standard feature of the AD5262 family and is independent of the RoHS suffix.
Which part should be selected for a new RoHS-compliant design?
The AD5262BRUZ20 should be selected for new designs requiring RoHS compliance. The AD5262BRU20 is the non-RoHS version and is typically intended for legacy or exempted applications where leaded finishes are still permitted.