Texas Instruments DEM-OPA-SSOP-3E Evaluation Module DEM-OPA-SSOP-3E DEM-OPA-SSOP-3E Datenbogen
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Produktcode
DEM-OPA-SSOP-3E
5
Measurement Tips
Measurement Tips
www.ti.com
This demonstration fixture, with the component values shown, is designed to operate in a 50
Ω
environment; most data sheet plots are obtained under these conditions. It is easy to change the
component values for different input and output impedance levels. However, do not use high-impedance
probes; they represent a heavy capacitive load to the op amp, and will alter the amplifier response.
Instead, use low-impedance (
component values for different input and output impedance levels. However, do not use high-impedance
probes; they represent a heavy capacitive load to the op amp, and will alter the amplifier response.
Instead, use low-impedance (
≤
500
Ω
) probes with adequate bandwidth. The probe input capacitance and
resistance set an upper limit on the measurement bandwidth. If a high-impedance probe must be used,
place a 100
place a 100
Ω
resistor on the probe tip to isolate its capacitance from the circuit.
4
DEM-OPA-SSOP-3E Demonstration Fixture
SBOU043B – February 2007 – Revised April 2009