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HA-2544 Datasheet(PDF) 5 Page - Intersil Corporation |
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HA-2544 Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 11 page 5 Schematic Diagram Application Information The HA-2544 is a true differential op amp that is as versatile as any op amp but offers the advantages of high unity gain bandwidth, high speed and low supply current. More important than its general purpose applications is that the HA-2544 was especially designed to meet the requirements found in a video amplifier system. These requirements include fine picture resolution and accurate color rendition, and must meet broadcast quality standards. In a video signal, the video information is carried in the amplitude and phase as well as in the DC level. The amplifier must pass the 30Hz line rate Iuminance level and the 3.58MHz (NTSC) or 4.43MHz (PAL) color band without altering phase or gain. The HA-2544’s key specifications aimed at meeting this include high bandwidth (50MHz), very low gain flatness (0.12dB at 10MHz), near unmeasurable differential gain and differential phase (0.03% and 0.03 degrees), and low noise (20nV/ √Hz). The HA-2544 meets these guidelines. The HA-2544 also offers the advantage of a full output voltage swing of ±10V into a 1kΩ load. This equates to a full power bandwidth of 2.4MHz for this ±10V signal. If video signal levels of ±2V maximum is used (with R L = 1kΩ), the full power bandwidth would be 11.9MHz without clipping distortion. R1 R2 R2A QP24 QP23 QP57 R7 R8 QN22 QP58 QP20 R28 R9 QN21 QP19 V- R37 R36 QP33 QP32 D34 D38 D37 D39 D40 R10 QP44 QN43 R11 R12 R13 QN17 QP16 QP15 QN14 V+ R14 R15 QN13 QN59 QN9 QN10 QN46 QN55 QN60 QN11 QN12 QN48 R16 BAL BAL 5k Ω R38 5k Ω R39 R17 R18 R31 V- D41 QP52 QP54 36 Ω R33 OUTPUT 36 Ω R32 R35 R30 QN53 QN51 QN50 QP5 C1 QN36 QP6 R4 V+ -INPUT 200 Ω R25 200 Ω R24 QN1 QN2 +INPUT QN18 V- V+ HA-2544 |
Similar Part No. - HA-2544_04 |
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Similar Description - HA-2544_04 |
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