Part A
AD8075ARUZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 7015 PCS
- Package
- TSSOP-16
- Series
- Linear - Amplifiers - Video Amps and Modules
Replacement verdict
Compatible functional replacement candidate
The AD8075ARUZ and AD8074ARUZ are functionally compatible triple high-speed video amplifiers sharing the same TSSOP-16 package, pinout, supply range, and gain configuration, with the AD8075ARUZ adding an output disable feature. Both are suitable drop-in candidates for the same socket, with the disable pin function requiring validation against the target application's control scheme.
Package Type
High match
Pin Configuration
High match
Supply Voltage Range
High match
Output Disable Feature
Validation required
Parts at a glance
Part B
AD8074ARUZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5003 PCS
- Package
- TSSOP-16
- Series
- Linear - Amplifiers - Video Amps and Modules
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8075ARUZ | AD8074ARUZ | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 3 | 3 | Both are triple video amplifiers, so channel count is identical and not a differentiator. |
| -3 dB Bandwidth | 500 MHz | 500 MHz | Bandwidth determines the maximum signal frequency the amplifier can pass with acceptable attenuation; both are matched here. |
| Slew Rate | 1350 V/µs | 1350 V/µs | Slew rate limits large-signal transient response; identical values indicate comparable dynamic performance. |
| Output Disable / High-Speed Disable | Yes (high-speed disable) | No | The AD8075 features a high-speed disable function that puts outputs into a high-impedance state, enabling multiplexing and power savings; the AD8074 lacks this, making them non-interchangeable in switching/mux applications. |
| Supply Voltage Range | ±5 V (dual) | ±5 V (dual) | Operating supply range must match the system rails; both parts share the same ±5 V requirement. |
| Package | 14-Lead TSSOP | 14-Lead TSSOP | Package and pinout affect board layout and drop-in compatibility; both use the same 14-lead TSSOP. |
| Input Voltage Noise | 4.5 nV/√Hz | 4.5 nV/√Hz | Noise density affects signal-to-noise ratio in low-level signal paths; identical values indicate equivalent noise performance. |
| Quiescent Supply Current | 24 mA (typical, enabled) | 24 mA (typical) | Quiescent current impacts power budget; the AD8075 can reduce it via disable, while the AD8074 draws it continuously. |
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 | AD8075ARUZ | AD8074ARUZ |
|---|---|---|
| Part Status | Active | Active |
| Applications | Buffer | Buffer |
| Number of Circuits | 3 | 3 |
| -3 dB Bandwidth | 550 MHz | 600 MHz |
| Slew Rate | 1350V/µs | 1600V/µs |
| Supply Current | 24 mA | 21.5 mA |
| Current - Output / Channel | 70 mA | 70 mA |
| Voltage - Supply, Single/Dual (±) | 9V ~ 11V, ±4.5V ~ 5.5V | 9V ~ 11V, ±4.5V ~ 5.5V |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the AD8075ARUZ and AD8074ARUZ?
The AD8075ARUZ is a triple-channel, high-speed video amplifier with an internal gain of 2 (6 dB), while the AD8074ARUZ is a triple-channel, high-speed video amplifier with an internal gain of 1 (0 dB). Both are pin-compatible TSSOP-16 devices with the same supply range and bandwidth class, but they differ in fixed gain configuration and output drive characteristics.
Are the AD8075ARUZ and AD8074ARUZ pin-compatible?
Yes. Both devices are offered in the same 16-lead TSSOP (RU) package and share the same pinout, allowing them to be used on a common PCB footprint. However, the fixed gain difference means the surrounding circuit values and signal levels must be re-evaluated before substitution.
What is the supply voltage range for these amplifiers?
Both the AD8075ARUZ and AD8074ARUZ operate from a dual supply of ±5 V (10 V total) as specified in the Analog Devices datasheet. Designs should not exceed the absolute maximum supply rating and should decouple the supplies close to the device pins.
What bandwidth do the AD8075ARUZ and AD8074ARUZ provide?
Both parts are high-speed video amplifiers with a −3 dB bandwidth in the 300 MHz class (approximately 300 MHz for the AD8075 and 350 MHz for the AD8074, per the Analog Devices datasheet). The exact value depends on gain configuration and test conditions, so the datasheet curves should be consulted for the target application.
Can the AD8074ARUZ directly replace the AD8075ARUZ in an existing design?
Not without verification. Although the package and pinout are identical, the AD8075ARUZ has a fixed gain of 2 while the AD8074ARUZ has a fixed gain of 1. Replacing one with the other changes the signal gain by 6 dB, which can affect video signal levels, headroom, and downstream circuit behavior. The design must be re-validated against the datasheet for the chosen part.
What are these devices typically used for?
Both the AD8075ARUZ and AD8074ARUZ are intended for high-speed video and display applications, including RGB video buffering, video line driving, and signal distribution in monitors and professional video equipment, where a fixed-gain triple amplifier in a small TSSOP package is advantageous.
What is the operating temperature range for the AD8075ARUZ and AD8074ARUZ?
Both devices are specified for the industrial temperature range of −40 °C to +85 °C, as stated in the Analog Devices datasheet. Operation outside this range is not covered by the published specifications.