OPA4277-SP Datasheet, PDF (14/21 Pages) Texas Instruments – High-Precision Operational Amplifier

OPA4277-SP
SBOS771 – DECEMBER 2016
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Typical Application (continued)
8.2.2 Detailed Design Procedure
Equation 1 shows the equation used to determine the resistor values needed for a gain of 50. Table 2 lists the
design parameters.
G 1 ^2RF 50
R
(1)
Table 2. Design Parameters
DESIGN PARAMETER
R_F
R
EXAMPLE VALUE
10 kΩ
412 Ω
8.2.3 Application Curve
At T_J = 25°C, V_S = ±15 V, and R_L = 2 kΩ, unless otherwise noted.
35
30
25
20
15
10
5
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
Offset Voltage (µV/°C)
Typical distribution of packaged units. Single, dual, and quad included.
Figure 23. Warm-Up Offset Voltage Drift
14
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