ADA4858-3ACPZ-R7 single-supply, high-speed, three-channel op amp with built-in charge pump
The ADA4858-3 (triple-channel) is a single-supply, high-speed current feedback amplifier with an integrated charge pump that can output negative voltage or 0 V level without the need for a negative supply for video applications. The −3 dB bandwidth of 600 MHz and the slew rate of 600 V/μs make this amplifier ideal for many high-speed applications. In addition, the 0.1 dB flatness of 85 MHz (G = 2) and the differential gain and phase error of 0.01% and 0.02° when driving a 150 Ω load make it an excellent choice for professional and consumer video applications.
This three-channel op-amp is designed to operate from a 3.3 V to 5 V supply with a total quiescent current of only 42 mA, including current drawn by the charge pump. It is power-saving and can reduce the total supply current to 2.5 mA when not in use, further reducing power consumption. Even in power-saving mode, a charge pump can be used to power external devices. Provides a maximum output current of 50 mA at −3 V for external use. The amplifier also has a wide input common-mode voltage range; When powered from a 5 V supply, the input range is from 1.8 V below ground to 1.2 V below the main rail.
The ADA4858-3 is available in a 16-pin LFCSP package and is designed to operate over an extended industrial temperature range of −40°C to +105°C.
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Features and Benefits:
Integrated charge pump
Supply voltage range: 3 V to 5.5 V
Output range: −3.3 V to −1.8 V
Output Current: 50 mA (max, external use, −3 V)
High-speed amplifier
−3 dB bandwidth: 600 MHz
Slew rate: 600 V/μs
0.1 dB flatness: 85 MHz
0.1% Establishment Time: 18 ns
Low power consumption
Total quiescent current: 42 mA
Power saving characteristics
High input common-mode voltage range:
−1.8 V to +3.8 V (+5 V)
Current feedback structure
Differential gain error: 0.01%
Differential phase error: 0.02°
Available in a 16-pin LFCSP package
Microchip Centennial Electronic Technology (Shenzhen) Co., Ltd
Address: 13H, Block A, Huaqiang Plaza, Huaqiang Road, Futian District, Shenzhen
Phone: 0755-83591082
Fax: 0755-83591083
Q Q：1051085817
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