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GS3490-INE3 数据表(PDF) 4 Page - Semtech Corporation |
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GS3490-INE3 数据表(HTML) 4 Page - Semtech Corporation |
4 / 22 page GS3490 Final Data Sheet Rev. 1 GENDOC-058568 April 2014 4 of 22 Proprietary & Confidential www.semtech.com 8 EQ_GAIN_SEL Input Input Sensitivity Control. Please refer to the input logic parameter in Table 2-2: DC Electrical Characteristics for logic level threshold and compatibility. This pin is a 3.3V input. When HIGH, the device compensates for an additional 6dB of loss across the entire operating band. This pin has an internal 100k Ω pull-down resistor. 9, 10 AGC/AGC — External AGC capacitor connection. 12 NC — No Connect. Not bonded internally. 13 EQ_BYPASS Input Equalizer Bypass Control. Please refer to the input logic parameter in Table 2-2 for Logic Level threshold and compatibility. For details on operation, refer to Section 4.1.3. This pin has an internal 100k Ω pull-down resistor. 14 EQ_SQ_ADJ Input Squelch Threshold Adjust. For details on operation, refer to Section 4.1.5. This pin has an internal 82.4k Ω pull-down resistor. 15 EQ_OP_CTL Input Controls the Output Swing, De-emphasis and Mute features of the DDO/DDO outputs. For details on operation, refer to Section 4.1.7. This pin has an internal 1M Ω pull-down resistor. 16 CD_SD_EN Input Cable Driver Slew Rate Control. For details on operation, refer to Section 4.2.4. When left unconnected, the default state of this pin is logic HIGH 17, 26, 31, 32 VCC Power Most positive power supply connection. Connect to 3.3V DC. 18, 19 DDI/DDI Input Differential digital data input to cable driver core. 22, 23 DDO/DDO Output Differential digital data output from cable equalizer core. 27 RSET — External cable driver output amplitude control resistor connection. 28 EQ_DISABLE Input Equalizer Mode Disable Control. Please refer to the input logic parameter in Table 2-2 for logic level threshold and compatibility. For details on operation, refer to Section 4.1.1. This pin has an internal 100k Ω pull-down resistor. Table 1-1: GS3490 Pin Descriptions (Continued) Pin Number Name Type Description |
类似零件编号 - GS3490-INE3 |
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类似说明 - GS3490-INE3 |
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