Part A
ADA4004-2ARMZ
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 3179 PCS
- Package
- MSOP-8
- Series
- 선형 증폭기 - 계측기, 연산 증폭기, 완충 증폭기
Replacement verdict
Compatible functional replacement candidate
The ADA4004-2ARMZ and ADA4004-2ARMZ-RL are functionally identical dual precision operational amplifiers; the only distinction is the packaging format, with the -RL suffix denoting tape-and-reel shipment versus the standard tube packaging. Both parts share the same die, electrical specifications, and MSOP-8 footprint, making them fully interchangeable in design and production.
Amplifier Core Specifications
High match
Package and Footprint
High match
Operating Temperature Range
High match
Packaging Format
High match
Parts at a glance
Part B
ADA4004-2ARMZ-RL
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 4819 PCS
- Package
- TSSOP-8
- Series
- 선형 증폭기 - 계측기, 연산 증폭기, 완충 증폭기
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4004-2ARMZ | ADA4004-2ARMZ-RL | Why it matters |
|---|---|---|---|
| Amplifier Type | General Purpose | General Purpose | Confirms both parts belong to the same amplifier family and are functionally interchangeable in the same circuit role. |
| Number of Circuits | 2 | 2 | Dual-channel configuration must match for pin-compatible substitution in a given PCB layout. |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-rail output determines usable signal swing and headroom in low-voltage designs. |
| Slew Rate | 2.7 V/µs | 2.7 V/µs | Slew rate affects large-signal bandwidth and transient response; identical values ensure equivalent dynamic behavior. |
| Gain Bandwidth Product | 12 MHz | 12 MHz | GBW sets the achievable closed-loop bandwidth and stability margins for the application. |
| Input Offset Voltage | 125 µV | 125 µV | Offset voltage directly impacts DC accuracy; matching values preserve precision performance. |
| Supply Voltage Range | ±2 V to ±15 V | ±2 V to ±15 V | Operating supply range must match to ensure compatibility with the target system's power rails. |
| Package / Case | 8-MSOP | 8-MSOP | Identical package ensures drop-in PCB footprint compatibility. |
| Packaging | Tube | Tape & Reel | Packaging differs (tube vs. reel), which affects handling and assembly line compatibility but not electrical function. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADA4004-2ARMZ | ADA4004-2ARMZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | iPolar® | iPolar® |
| Part Status | Active | Active |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 |
| Slew Rate | 2.7V/µs | 2.7V/µs |
| Gain Bandwidth Product | 12 MHz | 12 MHz |
| Current - Input Bias | 40 nA | 40 nA |
| Voltage - Input Offset | 40 µV | 40 µV |
| Current - Output / Channel | 10 mA | 10 mA |
| Voltage - Supply Span(Min) | 10 V | 10 V |
| Voltage - Supply Span(Max) | 30 V | 30 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between ADA4004-2ARMZ and ADA4004-2ARMZ-RL?
Both parts are the same Analog Devices ADA4004-2 dual precision operational amplifier in an 8-lead MSOP (RM-8) package. The difference is packaging format: ADA4004-2ARMZ is the standard tube/rail packaging, while ADA4004-2ARMZ-RL is the tape-and-reel version (RL suffix) intended for automated pick-and-place assembly. The electrical and mechanical specifications of the devices are identical.
Are the electrical specifications identical between the two orderable part numbers?
Yes. The ADA4004-2ARMZ and ADA4004-2ARMZ-RL share the same datasheet specifications for the ADA4004-2: low offset voltage, low input bias current, low noise, and the same supply voltage range and operating temperature range. The suffix difference reflects shipping packaging, not device performance.
Can ADA4004-2ARMZ-RL be used as a drop-in replacement for ADA4004-2ARMZ?
Yes, from a device standpoint the two are the same component in the same 8-lead MSOP package, so they are functionally and footprint interchangeable. The only practical consideration is the packaging format: tape-and-reel (RL) is suited to automated assembly, while the standard version is typically supplied in tubes or rails.
Which part number should be selected for high-volume automated PCB assembly?
ADA4004-2ARMZ-RL is the appropriate choice for automated pick-and-place production lines because the RL suffix denotes tape-and-reel packaging. ADA4004-2ARMZ is generally used for prototyping, low-volume, or manual assembly where tube/rail packaging is acceptable.
Do both parts use the same package and pinout?
Yes. Both ADA4004-2ARMZ and ADA4004-2ARMZ-RL are supplied in the 8-lead MSOP (RM-8) package with the same pin configuration defined in the ADA4004-2 datasheet. PCB land patterns and pin assignments are therefore identical for both orderable part numbers.
Is the moisture sensitivity level the same for both orderable part numbers?
Because both parts are the same device in the same 8-lead MSOP package, the moisture sensitivity level and reflow classification are governed by the same package and are the same for ADA4004-2ARMZ and ADA4004-2ARMZ-RL. Refer to the Analog Devices datasheet and packaging information for the specific MSL rating and reflow profile.
Does the RL suffix affect the manufacturer part number identity or datasheet?
No. The RL suffix is a packaging designator appended to the base orderable part number; both variants refer to the same ADA4004-2 device and the same datasheet. Design calculations, simulation models, and qualification data for the ADA4004-2 apply equally to both orderable part numbers.