ADA4870 PDF Datasheet
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Description
This is 1A Output Drive Amplifier. Data Sheet
FEATURES
Ideal for driving high capacitive or low resistive loads Wide supply range: 10 V to 40 V High output current drive: 1 A Wide output voltage swing: 37 V swing with 40 V supply High slew rate: 2500 V, s High bandwidth: 52 MH- large signal, 70 MH- small signal Low noise: 2.1 nV, √H- Quiescent current: 32.5 mA Power down: 0.75 mA Short-circuit protection and flag Current limit: 1.2 A Thermal protection
High Speed, High Voltage, 1 A Output Drive Amplifier ADA4870
FUNCTIONAL BLOCK DIAGRAM
VCC 1 TFL 2 SD 3 ON 4 NC 5 INP 6 INN 7 OUT 8 NC 9 VEE 10
20
VCC VCC VCC OUT OUT OUT OUT VEE
12125-001
ADA4870
19 18 17 16 15 14 13 12 11
VEE VEE
APPLICATIONS
Envelope tracking Power FET driver Ultrasound Piezo drivers PIN diode drivers Waveform generation Automated test equipment (ATE) CCD panel drivers Composite amplifiers
Figure 1.
GENERAL DESCRIPTION
The ADA4870 is a unity gain stable, high speed current feedback amplifier capable of delivering 1 A of output current and 2500 .