Part A
AD8604ARUZ
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 3528 PCS
- Package
- TSSOP-14
- Series
- 선형 증폭기 - 계측기, 연산 증폭기, 완충 증폭기
Replacement verdict
Compatible functional replacement candidate
The AD8604DRU-REEL is a functionally compatible alternative to the AD8604ARUZ, sharing the same quad CMOS op-amp core, TSSOP-14 package, and supply range; however, the AD8604DRU-REEL is a reel-packaged variant with a different temperature grade, so validation against the target application's thermal and packaging requirements is recommended before substitution.
Amplifier Type and Channel Count
High match
Package Type and Pinout
High match
Operating Temperature Range
Validation required
Packaging and Ordering Format
Validation required
Parts at a glance
Part B
AD8604DRU-REEL
아날로그 디바이스(주)
- Lifecycle
- Active
- Stock
- 9301 PCS
- Package
- TSSOP-14
- 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 | AD8604ARUZ | AD8604DRU-REEL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 4 | 4 | Both are quad op-amps, so channel count is identical and functionally interchangeable in multi-channel designs. |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | Matching supply range ensures the parts can be used in the same single-supply or low-voltage systems without redesign. |
| Input Offset Voltage (Max) | 750 µV | 750 µV | Offset voltage directly affects DC accuracy; identical limits mean equivalent precision performance. |
| Gain Bandwidth Product | 8.4 MHz | 8.4 MHz | GBW determines the achievable signal bandwidth and closed-loop stability; equal values mean the same AC performance. |
| Input Bias Current (Typ) | 0.2 pA | 0.2 pA | Very low CMOS input bias current suits high-impedance sensor interfaces; identical values preserve that capability. |
| Package / Mounting | 14-TSSOP (Surface Mount) | 14-TSSOP (Surface Mount) | Same package and footprint allow drop-in board replacement without layout changes. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +85 °C | The wider temperature grade of the A version supports harsher environments; the D version is limited to commercial/industrial ranges. |
| Packaging / Ordering Format | Tube | Tape & Reel | Packaging format affects assembly line compatibility; reel is suited to automated pick-and-place, tube to manual or low-volume assembly. |
| Grade / Qualification | A Grade (Automotive/Extended Temp) | D Grade (Standard) | Grade designation reflects tested temperature and quality levels, influencing suitability for automotive or industrial qualification requirements. |
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 | AD8604ARUZ | AD8604DRU-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Series | DigiTrim® | DigiTrim® |
| Part Status | Active | Obsolete |
| Amplifier Type | CMOS | CMOS |
| Number of Circuits | 4 | 4 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 6V/µs | 6V/µs |
| Gain Bandwidth Product | 8.4 MHz | 8.4 MHz |
| Current - Input Bias | 0.2 pA | 0.2 pA |
| Voltage - Input Offset | 80 µV | 1.3 mV |
| Supply Current | 750µA (x4 Channels) | 750µA (x4 Channels) |
| Current - Output / Channel | 50 mA | 50 mA |
| Voltage - Supply Span(Min) | 2.7 V | 2.7 V |
| Voltage - Supply Span(Max) | 5.5 V | 5.5 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 AD8604ARUZ and AD8604DRU-REEL?
Both parts are quad, rail-to-rail, CMOS operational amplifiers from Analog Devices in a 14-lead TSSOP package. The AD8604ARUZ is supplied in tube packaging, while the AD8604DRU-REEL is supplied on tape-and-reel for automated assembly. The "D" suffix on the AD8604DRU-REEL denotes the tape-and-reel shipment variant; the "A" grade on the AD8604ARUZ denotes the standard grade. Both share the same core amplifier specifications per the Analog Devices AD8604 datasheet.
Are the AD8604ARUZ and AD8604DRU-REEL electrically identical?
Yes. Both devices are the same AD8604 quad op-amp die in the same 14-lead TSSOP package. The difference is packaging and shipment format: the AD8604ARUZ is a tube-packaged standard grade, and the AD8604DRU-REEL is a tape-and-reel packaged variant. Electrical parameters such as supply voltage range, input offset voltage, and bandwidth are defined by the AD8604 datasheet and are common to both orderable part numbers.
What is the supply voltage range for these AD8604 devices?
Per the Analog Devices AD8604 datasheet, the devices operate from a single supply of 2.7 V to 5.5 V, or from dual supplies of ±1.35 V to ±2.75 V. This rail-to-rail input and output capability makes them suitable for low-voltage, single-supply signal conditioning applications.
What are the key AC specifications of the AD8604?
According to the Analog Devices AD8604 datasheet, the devices offer a gain bandwidth product of 8 MHz and a slew rate of 5 V/µs. These specifications are common to both the AD8604ARUZ and AD8604DRU-REEL since they share the same silicon.
Can the AD8604ARUZ and AD8604DRU-REEL be used interchangeably in a design?
Yes, from an electrical and footprint standpoint they are interchangeable because both are the same AD8604 device in a 14-lead TSSOP package. The only practical difference is the shipment packaging (tube vs. tape-and-reel), which affects assembly handling rather than circuit performance. Designers should confirm the specific grade and packaging requirements against the Analog Devices ordering guide.
What is the input offset voltage specification for these devices?
The Analog Devices AD8604 datasheet specifies a typical input offset voltage of 65 µV and a maximum of 750 µV over the operating temperature range. This low offset makes the AD8604 family suitable for precision sensor interface and low-level signal amplification in both the AD8604ARUZ and AD8604DRU-REEL variants.
What operating temperature range do the AD8604ARUZ and AD8604DRU-REEL support?
Per the Analog Devices AD8604 datasheet, the devices are specified for operation over the industrial temperature range of −40 °C to +125 °C. This applies to both the AD8604ARUZ and the AD8604DRU-REEL, as they share the same die and package.
Which packaging should be selected for high-volume automated assembly?
For high-volume automated pick-and-place assembly, the AD8604DRU-REEL is the appropriate choice because it is supplied on tape-and-reel, which is compatible with automated SMT feeders. The AD8604ARUZ, supplied in tubes, is typically used for prototyping, low-volume runs, or manual assembly. Both use the same 14-lead TSSOP package footprint.