Quad, Low-Power, Current-Feedback Operational Amplifier

The OPA4684 provides a new level of performance in low-power, wideband, current-feedback (CFB) Amplifiers This CFBPLUS Amplifier is among the first to use an internally closed-loop input Buffer stage that enhances performance significantly over earlier low-power CFB Amplifiers This new architecture provides many of the benefits of a more ideal CFB Amplifier while retaining the benefits of very low power operation. The closed-loop input stage Buffer gives a very low and linearized impedance path at the inverting input to sense the feedback error current. This improved inverting input impedance retains exceptional bandwidth to much higher gains and improves harmonic distortion over earlier solutions limited by inverting input linearity. Beyond simple high-gain applications, the OPA4684 CFBPLUS Amplifier permits the gain setting element to be set with considerable freedom from Amplifier bandwidth interaction. This allows frequency response peaking elements to be added, multiple input inverting summing circuits to have greater bandwidth, and low-power Line Drivers to meet the demanding requirements of studio cameras and broadcast Video The output capability of the OPA4684 also sets a new mark in performance for low-power current-feedback Amplifiers Delivering a full 4VPP swing on 5V supplies, the OPA4684 also has the output current to support > 3V swing into 50. This minimal output headroom requirement is complemented by a similar 1.2V input stage headroom giving exceptional capability for single +5V operation. The OPA4684s low 6.8mA supply current is precisely trimmed at 25C. This trim, along with low shift over temperature and supply voltage, gives a very robust design over a wide range of operating conditions. By Texas Instruments
Part Manufacturer Description Datasheet Samples
OPA4684IDR Texas Instruments Quad, Low-Power, Current Feedback Operational Amplifier 14-SOIC -40 to 85
OPA4684IDRG4 Texas Instruments 1 CHANNEL, VIDEO AMPLIFIER, PDSO14, GREEN, PLASTIC, SOIC-14
OPA4684IPWTG4 Texas Instruments 1 CHANNEL, VIDEO AMPLIFIER, PDSO14, GREEN, PLASTIC, TSSOP-14
OPA4684MJD Texas Instruments Military Quad, Low-Power, Current Feedback Operational Amplifier 14-CDIP SB -55 to 125
OPA4684IDG4 Texas Instruments Quad, Low-Power, Current Feedback Operational Amplifier 14-SOIC -40 to 85
OPA4684ID Texas Instruments Quad, Low-Power, Current Feedback Operational Amplifier 14-SOIC -40 to 85
OPA4684IPWR Texas Instruments IC 1 CHANNEL, VIDEO AMPLIFIER, PDSO14, GREEN, PLASTIC, TSSOP-14, Audio/Video Amplifier
OPA4684IPWRG4 Texas Instruments 1 CHANNEL, VIDEO AMPLIFIER, PDSO14, GREEN, PLASTIC, TSSOP-14
OPA4684IPWT Texas Instruments Quad, Low-Power, Current Feedback Operational Amplifier 14-TSSOP -40 to 85
OPA4684 's PackagesOPA4684 's pdf datasheet
OPA4684IPWT TSSOP
OPA4684IPWRG4 TSSOP
OPA4684IPWR TSSOP
OPA4684IDRG4 SOIC
OPA4684IDR SOIC
OPA4684IDG4 SOIC
OPA4684ID SOIC
OPA4684IPWTG4 TSSOP




OPA4684 Pinout, Pinouts
OPA4684 pinout,Pin out
This is one package pinout of OPA4684,If you need more pinouts please download OPA4684's pdf datasheet.

OPA4684 Application circuits
OPA4684 circuits
This is one application circuit of OPA4684,If you need more circuits,please download OPA4684's pdf datasheet.


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