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Part Number: ADA4859-3
Description: The ADA4859-3 (triple) is a single-supply, high speed current feedback amplifier with an integrated ch...
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ADA4859-3
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DataSheet
General Description
ADA4859-3 General Description
The ADA4859-3 (triple) is a single-supply, high speed current feedback amplifier with an integrated charge pump that eliminates the need for negative supplies in order to output negative voltages or output a 0 V level for video applications. The 195 MHz, large signal −3 dB bandwidth at a fixed gain of 2, as well as the 740 V/s slew rate, make this amplifier ideal for high resolution professional and consumer video applications. The amplifier also has a wide input common-mode voltage range that extends from 1.8 V below ground to 1.2 V below the positive rail at 5 V supply.
This triple video amplifier is designed to operate on supply voltages of 3.3 V to 5 V, using only 38 mA total quiescent current, including the charge pump. To further reduce the power consumption, it is equipped with a power-down feature that lowers the total supply current to as low as 2 mA when the amplifier is not being used. Even in power-down mode, the charge pump can be used to power external components. The maximum output current for external use is 50 mA at −3 V.
The ADA4858-3 is available in a 16-lead LFCSP, and it is designed to work over the industrial temperature range of −40°C to +105°C.
ADA4859-3 Maximum Ratings
Supply Voltage.................6 V
Internal Power Dissipation1
16-Lead LFCSP............See Figure 2
Input Voltage (Common-Mode)
...........(−VS − 0.2 V) to (+VS − 1.8 V)
Differential Input Voltage........... ±VS
Output Short-Circuit Duration
Observe power derating curves
Storage Temperature Range... −65 to +125
Operating Temperature Range.. −40 to +105
Lead Temperature (Soldering, 10 sec)....300
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.
ADA4859-3 Features
`Integrated charge pump
`Supply range: 3 V to 5.5 V
`Output range: −3.3 V to −1.8 V
`50 mA maximum output current at −3 V for external use
`High speed amplifiers
−3 dB bandwidth: 195 MHz
`Slew rate: 740 V/s
`0.1 dB gain flatness: 60 MHz
`0.1% settling time: 20 ns
`Low power
`Total quiescent current: 38 mA
`Power-down feature
`High input common-mode voltage range
−1.8 V to +3.8 V at +5 V supply
`Current feedback architecture
`Differential gain error: 0.01%
`Differential phase error: 0.02°
`Available in 16-lead LFCSP
`Supply range: 3 V to 5.5 V
`Output range: −3.3 V to −1.8 V
`50 mA maximum output current at −3 V for external use
`High speed amplifiers
−3 dB bandwidth: 195 MHz
`Slew rate: 740 V/s
`0.1 dB gain flatness: 60 MHz
`0.1% settling time: 20 ns
`Low power
`Total quiescent current: 38 mA
`Power-down feature
`High input common-mode voltage range
−1.8 V to +3.8 V at +5 V supply
`Current feedback architecture
`Differential gain error: 0.01%
`Differential phase error: 0.02°
`Available in 16-lead LFCSP
ADA4859-3 Typical Application
·Professional video
·Consumer video
·Imaging
·Active filters
·Consumer video
·Imaging
·Active filters
ADA10000
PDF/DataSheet Download
- Datasheet: ADA10000
- File Size: 266081 KB
- Manufacturer: ANADIGICS [ANADIGICS, Inc]
- Click here to Download
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