Part A
AD5543BRMZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 5268 個数
- Package
- MSOP-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 AD5541AARMZ and AD5543BRMZ are both 16-bit single-channel voltage-output DACs from Analog Devices in the same 8-lead MSOP package, sharing a serial interface and comparable reference architecture. They are functionally similar and can serve as replacement candidates in many designs, but the AD5543BRMZ offers higher accuracy and tighter temperature drift, while the AD5541AARMZ provides faster settling. Engineers should validate reference drive, output amplifier configuration, and timing margins before substituting one for the other.
Resolution
High match
Output Type
High match
Package Type
Validation required
Settling Time
Validation required
Parts at a glance
Part B
AD5541AARMZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 3919 個数
- Package
- MSOP-10
- Series
- データ取得 - デジタル/アナログコンバータ (DAC)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD5541AARMZ | AD5543BRMZ | Why it matters |
|---|---|---|---|
| Resolution | 16 bit | 16 bit | Both are 16-bit DACs, so resolution is identical and not a differentiator for substitutability. |
| Number of DAC Channels | 1 | 1 | Single-channel architecture in both parts means board-level channel count is unchanged. |
| Interface Type | SPI | SPI | Both use a serial SPI-compatible interface, so host controller firmware and timing are largely compatible. |
| Output Type | Voltage - Unbuffered | Current - Unbuffered | AD5541A provides a voltage output while AD5543B provides a current output, requiring different external signal conditioning. |
| Reference Type | External | External | Both require an external reference, so reference design and decoupling remain similar. |
| Supply Voltage | 2.7 V to 5.5 V | 4.5 V to 5.5 V | AD5541A supports lower supply voltages, while AD5543B needs a 5 V rail, affecting power supply compatibility. |
| Package / Case | 10-TFSOP, 10-MSOP | 8-TSSOP, 8-MSOP | Different package pin counts and footprints prevent direct drop-in replacement without layout changes. |
| Operating Temperature | -40°C to 125°C | -40°C to 85°C | AD5541A supports a wider industrial temperature range, which matters for harsh-environment applications. |
| Settling Time | 1 µs | 0.5 µs | AD5543B settles faster, which can be important in high-speed or multiplexed control loops. |
| INL / DNL | ±1 LSB INL, ±1 LSB DNL | ±1 LSB INL, ±1 LSB DNL | Matching linearity specifications indicate comparable accuracy performance for precision applications. |
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 | AD5543BRMZ | AD5541AARMZ |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 16 | 16 |
| Number of D/A Converters | 1 | 1 |
| Settling Time | 500ns (Typ) | 1µs |
| Output Type | Current - Unbuffered | Voltage - Unbuffered |
| Differential Output | No | No |
| Data Interface | SPI | SPI, DSP |
| Reference Type | External | External |
| Voltage - Supply, Analog | 5V | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 5V | 2.7V ~ 5.5V |
| INL / DNL(LSB) | ±2 (Max), ±1 (Max) | ±0.5, ±0.5 |
| Architecture | R-2R | R-2R |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C |
Frequently asked questions
What are the key differences between the AD5541AARMZ and AD5543BRMZ?
The AD5541AARMZ is a 16-bit voltage-output DAC with a 2.5 V to 5.5 V supply range and a typical settling time of 1 µs. The AD5543BRMZ is a 16-bit current-output DAC with a 4.5 V to 5.5 V supply range and a typical settling time of 0.5 µs. The AD5541AARMZ integrates an output amplifier, while the AD5543BRMZ requires an external op-amp for current-to-voltage conversion.
Are the AD5541AARMZ and AD5543BRMZ pin-compatible?
No. The AD5541AARMZ is available in an 8-lead MSOP package, while the AD5543BRMZ is available in a 10-lead MSOP package. They have different pin counts and pin functions, so they are not drop-in replacements.
What is the resolution and INL of the AD5541AARMZ and AD5543BRMZ?
Both devices are 16-bit DACs. The AD5541AARMZ has a typical INL of ±1 LSB and a maximum INL of ±2 LSB. The AD5543BRMZ has a typical INL of ±1 LSB and a maximum INL of ±2 LSB.
What are the output voltage ranges of the AD5541AARMZ and AD5543BRMZ?
The AD5541AARMZ provides a unipolar voltage output of 0 V to VREF. The AD5543BRMZ provides a unipolar current output of 0 mA to 2 mA (with VREF = 10 V), which can be converted to a voltage using an external op-amp and resistor.
What are the supply voltage requirements for the AD5541AARMZ and AD5543BRMZ?
The AD5541AARMZ operates from a single 2.5 V to 5.5 V supply. The AD5543BRMZ operates from a single 4.5 V to 5.5 V supply.
What are the settling times of the AD5541AARMZ and AD5543BRMZ?
The AD5541AARMZ has a typical settling time of 1 µs to ±0.5 LSB. The AD5543BRMZ has a typical settling time of 0.5 µs to ±0.5 LSB.
What are the operating temperature ranges for the AD5541AARMZ and AD5543BRMZ?
Both the AD5541AARMZ and AD5543BRMZ are specified for operation over the industrial temperature range of −40°C to +85°C.
What interface do the AD5541AARMZ and AD5543BRMZ use?
Both devices use a 3-wire SPI-compatible serial interface.