Dual 160 MHz Rail-to-Rail Amplifier AD8042

FEATURES

• Single AD8041 and Quad AD8044 also Available

• Fully Specified at +3 V, +5 V, and 65 V Supplies

• Output Swings to Within 30 mV of Either Rail

• Input Voltage Range Extends 200 mV Below Ground

• No Phase Reversal with Inputs 0.5 V Beyond Supplies

• Low Power of 5.2 mA per Amplifier

• High Speed and Fast Settling on +5 V:

160 MHz –3 dB Bandwidth (G = +1)

200 V/ms Slew Rate

39 ns Settling Time to 0.1%

• Good Video Specifications (RL = 150 V, G = +2)

Gain Flatness of 0.1 dB to 14 MHz

0.02% Differential Gain Error

0.04º Differential Phase Error

• Low Distortion

–64 dBc Worst Harmonic @ 10 MHz

• Drives 50 mA 0.5 V from Supply Rails

APPLICATIONS

• Video Switchers

• Distribution Amplifiers

• A/D Driver

• Professional Cameras

• CCD Imaging Systems

• Ultrasound Equipment (Multichannel)

PRODUCT DESCRIPTION

The AD8042 is a low power voltage feedback, high speed amplifier designed to operate on +3 V, +5 V or ±5 V supplies. It has true single supply capability with an input voltage range extending 200 mV below the negative rail and within 1 V of the positive rail.

The output voltage swing extends to within 30 mV of each rail, providing the maximum output dynamic range. Additionally, it features gain flatness of 0.1 dB to 14 MHz while offering differential gain and phase error of 0.04% and 0.06° on a single +5 V supply. This makes the AD8042 useful for professional video electronics such as cameras, video switchers or any high speed portable equipment. The AD8042’s low distortion and fast settling make it ideal for buffering single supply, high speed A-to-D converters.

The AD8042 offers low power supply current of 12 mA max and can run on a single +3.3 V power supply. These features are ideally suited for portable and battery powered applications where size and power are critical.

The wide bandwidth of 160 MHz along with 200 V/µs of slew rate on a single +5 V supply make the AD8042 useful in many general purpose, high speed applications where single supplies from +3.3 V to +12 V and dual power supplies of up to ±6 V are needed. The AD8042 is available in 8-lead plastic DIP and SOIC.

ABSOLUTE MAXIMUM RATINGS¹

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +12.6 V

Internal Power Dissipation²

Plastic DIP Package (N) . . . . . . . . . . . . . . . . . . . . 1.3 Watts

Small Outline Package (R) . . . . . . . . . . . . . . . . . . 0.9 Watts

Input Voltage (Common Mode) . . . . . . . . . . . . . . ±V_S ± 0.5 V

Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . ±3.4 V

Output Short Circuit Duration . . . . . . . . . . . . . . Observe Power Derating Curves

Storage Temperature Range (N, R) . . . . . . . . –65°C to +125°C

Lead Temperature Range (Soldering 10 sec) . . . . . . . . +300°C

NOTES

1 Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

2 Specification is for the device in free air:

8-Lead Plastic DIP Package: θ_JA = 90°C/W

8-Lead SOIC Package: θ_JA = 155°C/W

Stock Offer (Hot Sell)

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