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OPA2836 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
OPA2836 Very-Low-Power, Rail-to-Rail Out, Negative Rail In, Voltage-Feedback Operational Amplifiers TI
Texas Instruments TI
OPA2836 Datasheet PDF : 59 Pages
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Application Information (continued)
FB1
FB2
9
8
1.6 k
FB3
7
1.2 k
OPA836, OPA2836
SLOS712I – JANUARY 2011 – REVISED OCTOBER 2016
FB4
6
400
500 1.5 pF
Figure 69. OPA836IRUN Gain-Setting Network
NONINVERTING GAIN
(Figure 53)
1 V/V (0 dB)
2 V/V (6.02 dB)
2.33 V/V (7.36 dB)
4 V/V (12.04 dB)
5 V/V (13.98 dB)
6.33 V/V (16.03 dB)
8 V/V (18.06 dB)
Table 3. Gain Settings
INVERTING GAIN
(Figure 54)
–1 V/V (0 dB)
–1.33 V/V (2.5 dB)
–3 V/V (9.54 dB)
–4 V/V (12.04 dB)
–5.33 V/V (14.54 dB)
–7 V/V (16.90 dB)
SHORT PINS
1 to 9
1 to 9
1 to 9
1 to 8
1 to 9
1 to 9
1 to 9
SHORT PINS
2 to 8
2 to 8
2 to 7
2 to 7 or 8
2 to 6 or 8
2 to 7
SHORT PINS
6 to GND
7 to GND
6 to GND
7 to 8
6 to 8
6 to GND
SHORT PINS
6 to GND
7 to GND
INVERTING GAIN
(Figure 54)
–0.75 V/V (–2.5 dB)
–0.333 V/V (–9.54 dB)
–0.25 V/V (–12.04 dB)
–0.1875 V/V (–14.54 dB)
–0.1429 V/V (–16.90 dB)
Table 4. Attenuator Settings
SHORT PINS
1 to 7
1 to 6
1 to 6
1 to 7
1 to 6
SHORT PINS
2 to 8
2 to 7
2 to 7 or 8
2 to 6 or 8
2 to 7
SHORT PINS
9 to GND
8 to GND
7 to 8
6 to 8
9 to GND
SHORT PINS
9 to GND
9 to GND
9.1.9 Pulse Application With Single-Supply
For pulsed applications, where the signal is at ground and pulses to a positive or negative voltage, the circuit
bias-voltage considerations differ from those in an application with a signal that swings symmetrical about a
reference point. Figure 70 shows a circuit where the signal is at ground (0 V) and pulses to a positive value.
Signal and bias
from previous stage
VSIG
0V
5V
R1
OPA836
RG
RF
RO
VOUT
GVSIG
0V
Signal and bias to
next stage
Figure 70. Noninverting Single Supply With Pulse
Copyright © 2011–2016, Texas Instruments Incorporated
Product Folder Links: OPA836 OPA2836
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