Design

Two-channel operational amplifier for cost-optimised systems

28th October 2019
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The TLV900x-Q1 family from Texas Instruments includes dual (TLV9002-Q1) and quad-channel (TLV9004-Q1) low-voltage (1.8 to 5.5V) operational amplifiers (op amps) with rail-to-rail input and output swing capabilities. These op amps provide a cost-effective solution for space-constrained automotive applications such as infotainment and lighting where low-voltage operation and high capacitive-load drive are required. 

The capacitive-load drive of the TLV900x-Q1 family is 500 pF, and the resistive open-loop output impedance makes stabilisation easier with much higher capacitive loads. These op amps are designed specifically for low-voltage operation (1.8 V to 5.5 V) with performance specifications similar to the TLV600x-Q1 devices.

The robust design of the TLV900x-Q1 family simplifies circuit design. The op amps feature unity-gain stability, an integrated RFI and EMI rejection filter, and no-phase reversal in overdrive conditions.

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