Part A
ADA4841-2YRMZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 5986 PCS
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Replacement verdict
Compatible functional replacement candidate
The ADA4895-2ARMZ-RL is a viable functional replacement candidate for the ADA4841-2YRMZ in many dual op-amp applications, sharing the same MSOP-8 package and similar supply voltage range, though the higher quiescent current and wider bandwidth of the ADA4895-2 require validation against the target circuit's power budget and stability requirements.
Package Type
High match
Supply Voltage Range
High match
Quiescent Current
Validation required
Gain Bandwidth Product
Validation required
Parts at a glance
Part B
ADA4895-2ARMZ-RL
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 9381 PCS
- Package
- MSOP-10
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4841-2YRMZ | ADA4895-2ARMZ-RL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 2 | 2 | Both are dual op-amps, so channel count matches for direct substitution in dual-channel signal chains. |
| -3 dB Bandwidth | 80 MHz | 236 MHz | Higher bandwidth allows the ADA4895-2 to handle faster signals, which affects achievable gain and settling in wideband applications. |
| Slew Rate | 12 V/µs | 94 V/µs | Slew rate limits large-signal response; the much higher slew rate of the ADA4895-2 supports faster transients and higher full-power bandwidth. |
| Input Voltage Noise Density | 2.1 nV/√Hz | 1 nV/√Hz | Lower voltage noise improves SNR in low-level signal amplification; the ADA4895-2 offers roughly half the noise density. |
| Supply Voltage Range | 2.7 V to 12 V | 3 V to 10 V | The usable supply window differs; the ADA4841-2 tolerates higher total supply and lower minimum, affecting compatibility with existing rails. |
| Quiescent Current (per amplifier) | 1.1 mA | 3 mA | Quiescent current drives power budget; the ADA4841-2 is significantly lower power, which matters in portable or dense designs. |
| Input Offset Voltage (max) | 0.5 mV | 0.5 mV | Offset voltage affects DC accuracy; both are comparable here, so DC precision is not a differentiator between them. |
| Package | 8-Lead MSOP | 8-Lead SOIC | Different footprints require PCB layout changes; the parts are not drop-in package-compatible. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Both cover the same industrial/extended range, so thermal environment compatibility is equivalent. |
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 | ADA4841-2YRMZ | ADA4895-2ARMZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Active |
| Amplifier Type | General Purpose | Voltage Feedback |
| Number of Circuits | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 13V/µs | 943V/µs |
| Gain Bandwidth Product | - | 1.5 GHz |
| -3 dB Bandwidth | 80 MHz | 236 MHz |
| Current - Input Bias | 3 µA | 11 µA |
| Voltage - Input Offset | 40 µV | 53 µV |
| Supply Current | 1.2mA (x2 Channels) | 3mA (x2 Channels) |
| Current - Output / Channel | 60 mA | 116 mA |
| Voltage - Supply Span(Min) | 2.7 V | 3 V |
| Voltage - Supply Span(Max) | 12 V | 10 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the ADA4841-2YRMZ and the ADA4895-2ARMZ-RL?
The ADA4841-2YRMZ is a dual, low-power, low-noise, rail-to-rail output voltage feedback amplifier with a 80 MHz gain bandwidth product and 13 V/µs slew rate, supplied in an 8-lead MSOP package. The ADA4895-2ARMZ-RL is a dual, high-speed, low-power amplifier with a 1.5 GHz gain bandwidth product and 380 V/µs slew rate, supplied in an 8-lead MSOP package and provided on tape and reel. The ADA4895-2ARMZ-RL is optimized for higher bandwidth and faster settling applications, while the ADA4841-2YRMZ targets lower power and lower noise precision signal chains.
Are the ADA4841-2YRMZ and ADA4895-2ARMZ-RL pin-compatible?
Both devices are offered in an 8-lead MSOP package, and their pinouts follow the standard dual op-amp configuration (OUT A, -IN A, +IN A, V-, +IN B, -IN B, OUT B, V+). However, pin compatibility alone does not guarantee interchangeability; supply voltage range, input bias current, noise, and stability must be validated against the respective datasheets before substitution.
What are the supply voltage ranges for these two amplifiers?
The ADA4841-2YRMZ operates from a single supply of 2.7 V to 12 V or a dual supply of ±1.35 V to ±6 V. The ADA4895-2ARMZ-RL operates from a single supply of 3 V to 10 V or a dual supply of ±1.5 V to ±5 V. Designs operating near the lower or upper rails should confirm headroom and output swing requirements against the datasheet specifications.
How do the bandwidth and slew rate of the ADA4841-2YRMZ and ADA4895-2ARMZ-RL compare?
The ADA4841-2YRMZ provides a gain bandwidth product of 80 MHz and a slew rate of 13 V/µs. The ADA4895-2ARMZ-RL provides a gain bandwidth product of 1.5 GHz and a slew rate of 380 V/µs. The ADA4895-2ARMZ-RL is therefore better suited to high-speed signal processing, while the ADA4841-2YRMZ is intended for lower-power precision applications.
Which device has lower input voltage noise?
The ADA4841-2YRMZ specifies an input voltage noise density of 2.1 nV/√Hz at 10 kHz. The ADA4895-2ARMZ-RL specifies an input voltage noise density of 1 nV/√Hz at 100 kHz. For low-noise precision front ends, the ADA4841-2YRMZ is commonly selected, while the ADA4895-2ARMZ-RL offers lower noise at higher frequencies for high-speed signal chains.
What are the quiescent current and power consumption differences?
The ADA4841-2YRMZ draws a typical quiescent current of 1.1 mA per amplifier. The ADA4895-2ARMZ-RL draws a typical quiescent current of 3.5 mA per amplifier. Designs with tight power budgets should account for this difference, especially in battery-powered or thermally constrained systems.
Can the ADA4895-2ARMZ-RL directly replace the ADA4841-2YRMZ in an existing design?
Direct replacement is not recommended without validation. Although both are dual amplifiers in 8-lead MSOP packages, the ADA4895-2ARMZ-RL has a higher quiescent current, wider bandwidth, and different supply voltage limits. Circuit stability, compensation, and PCB layout should be re-evaluated against the ADA4895-2ARMZ-RL datasheet before substitution.
What is the significance of the -RL suffix on the ADA4895-2ARMZ-RL?
The -RL suffix indicates that the ADA4895-2ARMZ-RL is supplied in tape-and-reel packaging, which is intended for automated high-volume assembly. The ADA4841-2YRMZ is supplied in standard tube or tray packaging depending on the ordering option. Both are the same silicon device within their respective part families; the suffix only affects packaging and handling.