PD501 1SAP260100R3001

Details :
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PD501 1SAP260100R3001
PD501 1SAP260100R3001
PD501 1SAP260100R3001

The 3 op amp INA’s architecture includes the following:
1. First Stage
The first stage is implemented by a pair of high-input
impedance buffers (A1, A2) and resistors (RF and RG).
These buffers avoid both the input resistive loading
effect and the unbalanced input impedances issue. In
addition, the resistors RF and RG increase the buffer
pairs’ Difference mode voltage gains (GDM) to 1 + 2RF/
RG while keeping their Common mode voltage gains
(GCM) equal to 1.
One benefit of this method is that it significantly
improves the 3 op amp INA’s CMRR (CMRR3INA),
according to the equation CMRR = 20 log (GDM/GCM).
Thus, CMRR3INA will theoretically increase proportion
to GDM.
Another benefit is that the overall gain of the 3 op amp
INA can be modified by adjusting only the resistance of
RG without having to adjust the resistors of R1, R1*, R2
and R2*.
2. Second Stage
The second stage is implemented by a Difference
amplifier (A3) which amplifies the Difference mode
voltage and rejects the Common mode voltage. In a
practical application, the R2/R1 ratio is usually set to 1.
The CMRR3INA is primarily determined by the
Difference mode voltage gain of the first stage and net
matching tolerance of R2/R1 and R2*/R1*. Note that the
tolerance of resistors RF and RG do not affect
CMRR3INA.
2098-DSD-005
2098-DSD-005X
2098-DSD-010
2098-DSD-010X
2098-DSD-020
2098-DSD-020X
2098-DSD-030
2098-DSD-030X
2098-DSD-075
2098-DSD-075X
2098-DSD-150
2098-DSD-150X
2098-DSD-HV030
2098-DSD-HV030X
2098-DSD-HV050
2098-DSD-HV050X
2098-DSD-HV100
2098-DSD-HV100X
2098-DSD-HV150
2098-DSD-HV150X
2098-DSD-HV220
2098-DSD-HV220X
2098-DSD-005-DN
2098-DSD-005X-DN
2098-DSD-010-DN
2098-DSD-010X-DN
2098-DSD-020-DN
2098-DSD-020X-DN
2098-DSD-030-DN
2098-DSD-030X-DN
2098-DSD-075-DN
2098-DSD-075X-DN
2098-DSD-150-DN
2098-DSD-150X-DN
2098-DSD-HV030-DN
2098-DSD-HV030X-DN
2098-DSD-HV050-DN
2098-DSD-HV050X-DN
2098-DSD-HV100-DN
2098-DSD-HV100X-DN
2098-DSD-HV150-DN
2098-DSD-HV150X-DN
2098-DSD-HV220-DN
2098-DSD-HV220X-DN
2098-DSD-005-SE
2098-DSD-010-SE
2098-DSD-020-SE
2098-DSD-030-SE
2098-DSD-075-SE
2098-DSD-150-SE
2098-DSD-HV030-SE
2098-DSD-HV050-SE
2098-DSD-HV100-SE
2098-DSD-HV150-SE
2098-DSD-HV220-SE