Part A
AD5541CRZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 6162 個数
- Package
- SOIC-8
- Series
- データ取得 - デジタル/アナログコンバータ (DAC)
Replacement verdict
Compatible functional replacement candidate
The AD5541CRZ and AD5541JR are functionally compatible 16-bit serial-input voltage-output DACs sharing identical resolution, interface, and package architecture, with the CRZ grade offering tighter specified accuracy and extended temperature operation. The JR grade is a valid functional substitute where the application can accommodate relaxed linearity and temperature specifications.
Resolution
High match
Digital Interface
High match
Package Type
High match
Accuracy Grade
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD5541CRZ | AD5541JR | Why it matters |
|---|---|---|---|
| Resolution | 16 bit | 16 bit | Both parts provide 16-bit resolution, so they are functionally equivalent in terms of output precision. |
| Number of D/A Converters | 1 | 1 | Both are single-channel DACs, so channel count is not a differentiator for substitutability. |
| Interface Type | SPI, DSP | SPI, DSP | Both support serial SPI/DSP interfaces, allowing direct replacement in most digital control designs. |
| Operating Temperature Range | -40°C to 85°C | 0°C to 70°C | The wider industrial temperature range of the CRZ grade makes it suitable for harsher environments, while the JR grade is limited to commercial temperature ranges. |
| Package / Case | 8-SOIC | 8-SOIC | Identical package and pinout allow physical drop-in replacement without PCB changes. |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Both operate over the same supply range, so power supply design is compatible between the two. |
| INL (Integral Nonlinearity) | ±1 LSB | ±2 LSB | The CRZ grade offers tighter linearity, which is critical for high-accuracy applications; the JR grade has looser INL and may not meet the same precision requirements. |
| DNL (Differential Nonlinearity) | ±1 LSB | ±1 LSB | Both guarantee monotonicity with the same DNL, so neither introduces missing codes relative to the other. |
| Settling Time | 1 µs | 1 µs | Identical settling time means dynamic performance is equivalent for most control and waveform generation applications. |
| Grade / Qualification | Industrial | Commercial | The CRZ is an industrial-grade part with tighter specifications and wider temperature range, while the JR is a commercial-grade version; this affects reliability and suitability for industrial or automotive use. |
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 | AD5541CRZ | AD5541JR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Number of Bits | 16 | 16 |
| Number of D/A Converters | 1 | 1 |
| Settling Time | 1µs (Typ) | 1µs (Typ) |
| Output Type | Voltage - Unbuffered | Voltage - Unbuffered |
| Differential Output | No | No |
| Data Interface | SPI, DSP | SPI, DSP |
| Reference Type | External | External |
| Voltage - Supply, Analog | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| INL / DNL(LSB) | ±0.5, ±0.5 | ±0.5, ±0.5 |
| Architecture | R-2R | R-2R |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C |
Frequently asked questions
What are the key differences between the AD5541CRZ and AD5541JR?
The AD5541CRZ and AD5541JR are both 16-bit, single-channel, serial-input voltage-output DACs from Analog Devices. The primary difference is their specified operating temperature range and corresponding grade. The AD5541JR is specified for operation over the commercial temperature range of 0°C to +70°C, while the AD5541CRZ is specified over the industrial temperature range of −40°C to +85°C. Both are offered in an 8-lead SOIC package, but the CRZ suffix indicates a RoHS-compliant industrial-grade version.
Are the AD5541CRZ and AD5541JR pin-compatible?
Yes. Both the AD5541CRZ and AD5541JR are available in the same 8-lead SOIC (R-8) package and share an identical pinout. This allows them to be used on the same PCB land pattern without layout changes, provided the operating temperature requirements of the application are satisfied by the selected grade.
Can the AD5541JR be used as a direct substitute for the AD5541CRZ?
Not in all cases. While both devices are functionally equivalent 16-bit DACs with the same pinout and package, the AD5541JR is only specified for 0°C to +70°C, whereas the AD5541CRZ is specified for −40°C to +85°C. Direct substitution is acceptable only if the application's operating temperature range falls entirely within 0°C to +70°C and all other electrical specifications are met. For industrial or outdoor applications, the AD5541CRZ should be used.
What is the resolution and architecture of the AD5541CRZ and AD5541JR?
Both devices are 16-bit, unbuffered voltage-output digital-to-analog converters. They use a segmented R-2R ladder architecture and provide a full-scale output of VREF with a typical settling time of 1 µs. They operate from a single 2.7 V to 5.5 V supply and include a serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards.
Do the AD5541CRZ and AD5541JR differ in accuracy or linearity specifications?
No. Both the AD5541CRZ and AD5541JR are 16-bit DACs with the same specified linearity grades. The AD5541 offers ±1 LSB INL and ±1 LSB DNL maximum. The C and J suffixes denote temperature grade and package/lead-finish classification, not different linearity performance. Therefore, AC and DC accuracy specifications are identical between the two grades when operated within their respective temperature ranges.
What is the difference in price and availability between the AD5541CRZ and AD5541JR?
The AD5541CRZ, being the industrial temperature grade with RoHS-compliant lead finish, typically carries a higher unit price than the AD5541JR commercial grade. Availability depends on distributor stock and manufacturer lead times. For current pricing and inventory, consult authorized distributors such as DigiKey, Mouser, or Analog Devices directly, as these parameters change over time.
Which grade should be selected for an industrial application?
For industrial applications, the AD5541CRZ is the appropriate choice because it is specified over the −40°C to +85°C industrial temperature range. The AD5541JR is only guaranteed over 0°C to +70°C and may not meet specifications outside that range. Selecting the CRZ grade ensures reliable operation across the wider temperature extremes typical of industrial environments.
Are the AD5541CRZ and AD5541JR RoHS compliant?
The AD5541CRZ is RoHS compliant, as indicated by the "Z" suffix in the part number, which denotes a lead-free, RoHS-compliant package finish. The AD5541JR does not carry the "Z" suffix and is not specified as RoHS compliant in its standard ordering code. Designers requiring RoHS compliance should select the AD5541CRZ or verify the specific ordering variant with the manufacturer.