Overview
The AD8041AR, produced by Analog Devices Inc., is a low power voltage feedback, high speed amplifier. It is designed to operate on various supply voltages including +3 V, +5 V, or ±5 V, making it versatile for a range of applications. The amplifier features true single-supply capability, with an input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail. This makes it ideal for portable and battery-powered applications where size and power are critical.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| -3 dB Small Signal Bandwidth | VS = 5 V, G = +1 | - | 160 | - | MHz |
| Slew Rate | VS = 5 V | - | 160 | - | V/µs |
| Settling Time to 0.1% | VS = 5 V | - | 30 | - | ns |
| Gain Flatness | VS = 5 V, G = +2, to 30 MHz | - | 0.1 | - | dB |
| Differential Gain Error | VS = 5 V | - | 0.03% | - | - |
| Differential Phase Error | VS = 5 V | - | 0.03° | - | - |
| Supply Current | VS = 5 V | - | 5.8 | - | mA |
| Operating Temperature Range | - | -40 | - | 85 | °C |
Key Features
- High speed operation with 160 MHz -3 dB bandwidth and 160 V/µs slew rate on a single 5 V supply.
- Low power consumption with a maximum supply current of 5.8 mA.
- True single-supply capability with input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail.
- Output voltage swing extends to within 50 mV of each rail, providing maximum output dynamic range.
- Low distortion and fast settling time, making it ideal for buffering high speed A-to-D converters.
- High speed disable feature useful for multiplexing or reducing power consumption.
- Disable logic interface compatible with CMOS or open-collector logic.
Applications
- Professional video electronics such as cameras and video switchers.
- High speed portable equipment.
- Power sensitive high speed systems.
- Video distribution amplifiers.
- A/D drivers.
- CCD imaging systems.
- Ultrasound equipment (multichannel).
- Single-supply multiplexers.
Q & A
- What is the -3 dB bandwidth of the AD8041AR? The -3 dB bandwidth of the AD8041AR is 160 MHz at a gain of +1 and a supply voltage of 5 V.
- What is the slew rate of the AD8041AR? The slew rate of the AD8041AR is 160 V/µs on a single 5 V supply.
- What is the settling time to 0.1% for the AD8041AR? The settling time to 0.1% for the AD8041AR is 30 ns.
- What is the gain flatness of the AD8041AR? The gain flatness of the AD8041AR is 0.1 dB to 30 MHz at a gain of +2.
- What are the differential gain and phase errors of the AD8041AR? The differential gain error is 0.03%, and the differential phase error is 0.03° on a single 5 V supply.
- What is the maximum supply current of the AD8041AR? The maximum supply current of the AD8041AR is 5.8 mA.
- What is the operating temperature range of the AD8041AR? The operating temperature range of the AD8041AR is -40°C to +85°C.
- What are the typical applications of the AD8041AR? Typical applications include professional video electronics, high speed portable equipment, power sensitive high speed systems, video distribution amplifiers, A/D drivers, CCD imaging systems, and ultrasound equipment.
- Does the AD8041AR have a disable feature? Yes, the AD8041AR has a high speed disable feature useful for multiplexing or reducing power consumption.
- What is the compatibility of the disable logic interface of the AD8041AR? The disable logic interface is compatible with CMOS or open-collector logic.
