ADA4841-2 Analog Devices, ADA4841-2 Datasheet - Page 16

• Manufacturer Part Number: ADA4841-2
• Description: Dual Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
• Manufacturer: Analog Devices

Specifications of ADA4841-2

• -3db Bandwidth: 80MHz
• Slew Rate: 13V/µs
• Vos: 40µV
• Ib: 3µA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 2.1nV/rtHz
• Vcc-vee: 2.7V to 12V
• Isy Per Amplifier: 1.5mA
• Packages: SOIC,SOP

ADA4841-1/ADA4841-2
POWER-DOWN OPERATION
Figure 48 shows the ADA4841-1 power-down circuitry. If the
POWER DOWN pin is left unconnected, then the base of the
input PNP transistor is pulled high through the internal pull-up
resistor to the positive supply, and the part is turned on. Pulling
the POWER DOWN pin approximately 1.7 V below the positive
supply turns the part off, reducing the supply current to
approximately 40 μA.
VCC
VEE
Figure 48. POWER DOWN Circuit
I
BIAS
AMPLIFIER
BIAS
TO
ESD
ESD
POWER DOWN
Rev. E | Page 16 of 20
The POWER DOWN pin is protected with ESD clamps,
as shown in
cause these diodes to conduct. The guidelines for limiting the
overload current in the input protection section should also be
followed for the
Figure 48
POWER DOWN pin.
. Voltages beyond the power supplies