OPA2316 Datasheet, PDF (19/46 Pages) Texas Instruments – OPAx316 10-MHz, Low-Power, Low-Noise, RRIO, 1.8-V CMOS Operational Amplifier

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Feature Description (continued)
OPA316, OPA2316, OPA2316S, OPA4316
SBOS703D – APRIL 2014 – REVISED DECEMBER 2014
NOTE
Connect the exposed lead frame die pad on the bottom of the DFN package to the most
negative potential (V–).
7.4 Device Functional Modes
The OPA316, OPA2316, and OPA4316 are powered on when the supply is connected. The devices can be
operated as a single-supply operational amplifier or a dual-supply amplifier, depending on the application.
The OPA2316S has a SHDN (enable) pin function referenced to the negative supply voltage of the operational
amplifier. A logic level high enables the operational amplifier. A valid logic high is defined as voltage [(V+) – 0.1
V], up to (V+), applied to the SHDN pin. A valid logic low is defined as [(V–) + 0.1 V], down to (V–), applied to the
enable pin. The maximum allowed voltage applied to SHDN is 5.5 V with respect to the negative supply,
independent of the positive supply voltage. Connect this pin to a valid high or a low voltage or driven, but not left
as an open circuit.
The logic input is a high-impedance CMOS input. Both inputs are independently controlled. For battery-operated
applications, this feature can be used to greatly reduce the average current and extend battery life.
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Product Folder Links: OPA316 OPA2316 OPA2316S OPA4316