Part A
ADG412BRUZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3993 PCS
- Package
- TSSOP-16
- Series
- Interface - Analog Switches, Multiplexers, Demultiplexers
Replacement verdict
Compatible functional replacement candidate
The ADG412BRUZ and ADG412BR are functionally equivalent CMOS analog switches from the same ADG412 family, sharing identical switch architecture, on-resistance, and signal range. The only meaningful distinction is the package and ordering variant, so the ADG412BRUZ can serve as a functional replacement for the ADG412BR provided the board footprint and assembly process accommodate the TSSOP package option.
Switch Configuration
High match
On-Resistance
High match
Supply Voltage Range
High match
Package Type
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADG412BRUZ | ADG412BR | Why it matters |
|---|---|---|---|
| Package / Mounting | 16-TSSOP (Surface Mount) | 16-SOIC (Surface Mount) | Different package footprints require different PCB land patterns, so they are not drop-in board-level substitutes. |
| Package Case | RU-16 (TSSOP) | R-16 (SOIC) | The case style determines physical dimensions and thermal/assembly characteristics on the board. |
| Number of Switches | 4 (SPST, normally open) | 4 (SPST, normally open) | Switch count and configuration must match for the circuit function to be equivalent. |
| On-Resistance (RON) | ~35 Ω | ~35 Ω | On-resistance affects signal attenuation and voltage drop; matching values preserve signal integrity. |
| Supply Voltage Range | ±4.5 V to ±16.5 V dual, or 9 V to 33 V single | ±4.5 V to ±16.5 V dual, or 9 V to 33 V single | The supply range must be compatible with the system rails for the device to operate correctly. |
| Switch Time (tON / tOFF) | ~100 ns / ~75 ns | ~100 ns / ~75 ns | Switching speed determines timing performance in signal routing and multiplexing applications. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | The temperature range must cover the application environment for reliable operation. |
| Logic Input Compatibility | TTL/CMOS compatible | TTL/CMOS compatible | Control logic compatibility ensures the switch can be driven directly by standard digital outputs. |
| Channel-to-Channel Matching | ~5 Ω | ~5 Ω | Matching between channels affects differential signal accuracy and crosstalk performance. |
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 | ADG412BRUZ | ADG412BR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Switch Circuit | SPST - NO | SPST - NO |
| Multiplexer / Demultiplexer Circuit | 1:1 | 1:1 |
| Number of Circuits | 4 | 4 |
| On - State Resistance(Max) | 35Ohm | 35Ohm |
| Voltage - Supply, Single (V+) | 12V | 12V |
| Voltage - Supply, Dual (V±) | ±15V | ±15V |
| Switch Time(Ton Toff)(Max) | 175ns, 145ns | 175ns, 145ns |
| Charge Injection | 5pC | 5pC |
| Channel Capacitance(CS(off)CD(off)) | 9pF, 9pF | 9pF, 9pF |
| Current - Leakage(IS(off))(Max) | 250pA | 250pA |
| Crosstalk | -85dB @ 1MHz | -85dB @ 1MHz |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between the ADG412BRUZ and the ADG412BR?
The ADG412BRUZ and ADG412BR are both quad SPST analog switches from Analog Devices based on the same ADG412 core design. The primary difference is the ordering suffix: the "RUZ" suffix denotes a RoHS-compliant, lead-free TSSOP-16 package, while the "BR" suffix denotes the older non-RoHS (leaded) TSSOP-16 package. Functionally and electrically they are the same device; the difference is package/lead finish and environmental compliance.
Are the ADG412BRUZ and ADG412BR pin-compatible?
Yes. Both parts are offered in the same 16-lead TSSOP (RU-16) package with identical pin assignments, so they are pin-compatible and share the same PCB land pattern. The difference is the lead finish and RoHS status, not the pinout.
Can the ADG412BRUZ be used as a drop-in replacement for the ADG412BR?
In most designs, yes, because both are the same ADG412 die in the same TSSOP-16 package with identical pinout and electrical specifications. The ADG412BRUZ is the RoHS-compliant version, so it is the preferred replacement where lead-free compliance is required. Verify against the specific datasheet revision and your assembly process before substituting.
What are the key electrical specifications of the ADG412?
The ADG412 is a quad SPST analog switch with low on-resistance (typically around 35 Ω), fast switching times (tON/tOFF in the tens of nanoseconds), and low power consumption. It operates from dual supplies (e.g., ±15 V) or a single supply, and features TTL/CMOS-compatible logic inputs. Consult the official Analog Devices ADG412 datasheet for the exact guaranteed limits for your grade and supply conditions.
What package do the ADG412BRUZ and ADG412BR use?
Both devices are supplied in a 16-lead TSSOP (Thin Shrink Small Outline Package), designated by Analog Devices as the RU-16 package. The ADG412BRUZ is the RoHS-compliant lead-free version of this package, while the ADG412BR is the non-RoHS version.
Are the ADG412BRUZ and ADG412BR RoHS compliant?
The ADG412BRUZ is RoHS compliant (the "Z" suffix indicates lead-free/RoHS compliance). The ADG412BR is the older non-RoHS (leaded) version. For new designs requiring RoHS compliance, the ADG412BRUZ should be selected.
What is the ADG412 typically used for?
The ADG412 quad SPST switch is used for signal routing, audio and data switching, sample-and-hold circuits, and general-purpose analog signal multiplexing in instrumentation, communication, and industrial systems. Its low on-resistance and fast switching make it suitable for precision analog signal paths.