Part Details for OPA569 by Texas Instruments
Overview of OPA569 by Texas Instruments
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Available Datasheets
Part # | Manufacturer | Description | Datasheet |
---|---|---|---|
OPA569AIDWP | Texas Instruments | Power Op Amp, Output Signal Swings Within 200mV of Rails at 2A Output Current 20-SO PowerPAD -55 to 125 | |
OPA569AIDWPR | Texas Instruments | Power Op Amp, Output Signal Swings Within 200mV of Rails at 2A Output Current 20-SO PowerPAD -55 to 125 |
Part Details for OPA569
OPA569 CAD Models
Resources and Additional Insights for OPA569
Reference Designs related to OPA569
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Bridge-tied load (BTL) V-I converter: 0.5 V to 4.5 V and up to ±2-A reference design
This Verified Design circuit is a bidirectional current source that can be used to drive floating loads: specifically thermo-electric coolers (TECs) from a single-ended source. The circuit makes use of an internal output current monitor circuit (IMON): which is a special feature of the OPA569 power amplifier. The V-I transfer function is accomplished by using the IMON current as the feedback for the first amplifier. This enables the user to create an input signal that cancels the IMON current to achieve a well regulated output current. The second amplifier inverts the output of the first amp to achieve the bridge tied load (BTL) operation: doubling the voltage swing and slew rate across the load: allowing for bidirectional operation and good voltage swing on the single-ended power supply. The excellent output swing-to-rail of the OPA569 allows for 4.5 V of usable output voltage at 2 A output current with a 5 V single-ended power supply.See more TI Precision Designs
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