Part A
AD8625ARUZ
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5178 ПКС
- Package
- TSSOP-14
- Series
- Линейные - Усилетели - Приборы, ОП Усилетели, Буферные Усилетели
Replacement verdict
Compatible functional replacement candidate
The AD8625ARUZ and AD8625ARU are functionally equivalent quad precision JFET-input operational amplifiers; the ARUZ suffix denotes RoHS-compliant lead-free packaging versus the leaded ARU variant, making the ARUZ a suitable drop-in replacement where lead-free compliance is required, subject to verification of solderability and assembly process compatibility.
Amplifier Type and Channel Count
High match
Package Type and Pinout
High match
Electrical Specifications
High match
RoHS and Lead-Free Compliance
Validation required
Parts at a glance
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8625ARUZ | AD8625ARU | Why it matters |
|---|---|---|---|
| Amplifier Type | JFET Input Operational Amplifier | JFET Input Operational Amplifier | Confirms both parts are the same amplifier family, ensuring functional equivalence in signal conditioning circuits. |
| Number of Channels | 4 | 4 | Channel count must match for drop-in replacement in multi-channel designs. |
| Supply Voltage Range | 5 V to 26 V (±2.5 V to ±13 V) | 5 V to 26 V (±2.5 V to ±13 V) | Determines compatibility with the system power rail and whether the part can operate in the target application. |
| Input Offset Voltage (max) | 250 µV | 250 µV | Low offset is critical for precision DC accuracy; matching values ensures equivalent measurement performance. |
| Gain Bandwidth Product | 5 MHz | 5 MHz | Sets the achievable closed-loop bandwidth and dynamic response; must match for equivalent AC performance. |
| Input Bias Current (typ) | 1 pA | 1 pA | Ultra-low JFET bias current is essential for high-impedance sensor and photodiode interfaces. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Ensures the part meets environmental requirements of the target application. |
| Package / Mounting | 14-Lead TSSOP, Surface Mount | 14-Lead TSSOP, Surface Mount | Package and footprint must match for physical board compatibility. |
| RoHS / Lead-Free Status | RoHS Compliant, Lead-Free | Non-RoHS, Contains Lead | The "Z" suffix denotes lead-free/RoHS compliance; this affects regulatory compliance and solder process compatibility. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8625ARUZ | AD8625ARU |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 4 | 4 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 5V/µs | 5V/µs |
| Gain Bandwidth Product | 5 MHz | 5 MHz |
| Current - Input Bias | 0.25 pA | 0.25 pA |
| Voltage - Input Offset | 350 µV | 350 µV |
| Supply Current | 710µA (x4 Channels) | 710µA (x4 Channels) |
| Current - Output / Channel | 15 mA | 15 mA |
| Voltage - Supply Span(Min) | 5 V | 5 V |
| Voltage - Supply Span(Max) | 26 V | 26 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between the AD8625ARUZ and the AD8625ARU?
The AD8625ARUZ and AD8625ARU are both Analog Devices quad, precision JFET-input operational amplifiers in a 14-lead TSSOP package. The primary difference is the suffix: the "Z" designation on the AD8625ARUZ indicates RoHS-compliant, lead-free construction, whereas the AD8625ARU is the non-RoHS (leaded) version. Both share the same electrical specifications and functional performance.
Are the AD8625ARUZ and AD8625ARU electrically and functionally interchangeable?
Yes. Both parts are the same AD8625 amplifier die in the same 14-lead TSSOP package with identical pinout and electrical specifications. The only documented difference is the RoHS/lead-free status of the package finish, so they are functionally interchangeable in circuit design.
What are the key specifications of the AD8625?
The AD8625 is a quad, low-power, precision JFET-input op amp. Verified datasheet parameters include low input bias current (typically 1 pA), low offset voltage, low input voltage noise, and rail-to-rail output swing. It operates on a wide supply range and is specified for low power consumption, making it suitable for precision signal conditioning and high-impedance sensor interfaces. Consult the official Analog Devices datasheet for exact guaranteed limits.
Is the AD8625ARUZ RoHS compliant while the AD8625ARU is not?
Yes. The "Z" suffix in the AD8625ARUZ part number denotes RoHS compliance and lead-free (Pb-free) construction per Analog Devices' part-numbering convention. The AD8625ARU, lacking the Z suffix, is the non-RoHS version. Designers with RoHS or lead-free assembly requirements should specify the AD8625ARUZ.
Can the AD8625ARU be used as a drop-in replacement for the AD8625ARUZ, or vice versa?
Electrically and mechanically, yes—both are the same amplifier in the same 14-lead TSSOP package with identical pinout. However, substitution must account for regulatory and assembly requirements: the AD8625ARUZ is RoHS/lead-free compliant, while the AD8625ARU is not. For RoHS-restricted production, only the AD8625ARUZ should be used.
What package do the AD8625ARUZ and AD8625ARU use?
Both devices are supplied in a 14-lead TSSOP (Thin Shrink Small Outline Package), indicated by the "RU" code in the part number. The package footprint and pinout are identical between the two variants.
Which part number should be specified for new RoHS-compliant designs?
For new designs requiring RoHS compliance and lead-free assembly, specify the AD8625ARUZ. The AD8625ARU is the non-RoHS variant and should only be used where leaded package finishes are acceptable or where legacy inventory is being consumed.