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AKD4589 Datasheet(PDF) 8 Page - Asahi Kasei Microsystems |
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AKD4589 Datasheet(HTML) 8 Page - Asahi Kasei Microsystems |
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8 / 51 page  ASAHI KASEI [AKD4589-B] <KM076201> 2005/07 - 8 - Analog Outputs BNC connector J2 (LOUT1), J1 (ROUT1), J4 (LOUT2), J3 (ROUT2), J6 (LOUT3), J5 (ROUT3) J8 (LOUT4) ,J7 (ROUT4) are used for analog outputs on the AKD4589-B. Analog outputs are single-ended and output ranges of each channels are nominally ±3.82Vpp@5V. (Analog outputs of AK4589 device are differencial and output ranges of each channels are nominally ±2.7Vpp@5V.But, input ranges of AKD4589-B becomes to ±3.82Vpp@5V,about 1.41 times of the value in the case of AK4589 device.Output range of AK4589 device is proportional to VREFH (2.7= 0.54 x VREFH). VREFH is connected to AVDD on the AKD4589-B.) Analog Output Circuit 330 100u 180 AOUTL- 3.9n 680 3.3n 6 4 3 2 7 10u 0.1u 0.1u 10u 10u NJM4580 330 100u 180 AOUTL+ 3.9n 680 3.3n 6 4 3 2 7 10u 0.1u 0.1u 10u NJM4580 0.1u + NJM4580 0.1u 10u 100 4 3 2 1.0n 620 620 560 7 + + + + - + - + + + - + + 1.0n Lch -15 +15 6 Figure 8. Analog Output Circuit The differential output circuit(2nd order LPF,fc=182KHz,Q=0.637,G=+3.9dB) and LPF(1st order LPF, fc=284KHz, G=-0.84dB) is implemented on AKD4589-B. The differential outputs of AK4589 is buffered by non-inverted circuit and output via Cannon connector (differential output). LPF adds differential outputs. NJM4580 is used for op-amp on this board that has low noise and high voltage torelance characteristics. Analog signal is output via BNC connectors on the board. The output level is about ±3.82Vpp(typ@VREF=5.0V) by BNC. * AKM assumes no responsibility for the trouble when using the above circuit examples. |
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Similar Description - AKD4589 |
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