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DP84910 bảng dữ liệu(PDF) 13 Page - National Semiconductor (TI) |
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DP84910 bảng dữ liệu(HTML) 13 Page - National Semiconductor (TI) |
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13 / 32 page ![]() DC Electrical CharacteristicsPulse Detector Servo and Filter guaranteed over operating conditions (see table) unless otherwise specified Minimum andor maximum limits are guaranteed by outgoing testing unless otherwise specified (Continued) Symbol Circuit Parameter Conditions Min Typ Max Units Block (Note 24) ISETHYS CHAN Set Hysteresis Input Bias VSETHYSD e VSETHYSS e 045V b 38 b 24 m A INPUTS Current (Note 11) IVREF CHAN VREF Input Bias Current VREF e 05V b 30 b 155 m A INPUTS IDIFC CHAN Differentiator Bias Current VDIFC2 e 35V or 13 18 mA INPUTS VDIFC1 e 35V Vth(HYSTS) CHAN Hysteresis Comparator (Note 9) 194 239 mVPP INPUTS Threshold Voltage for Servo Hysteresis Level VthHYSD(111) CHAN Data Field Hysteresis Ctrl Reg Bits HYS VTHO e 1 INPUTS Comparator Threshold HYS VTH1 e HYS VTH2 e 1 133 159 mVPP Voltage (Note 9) VthHYSD(110) CHAN Data Field Hysteresis Ctrl Reg Bits HYS VTH0 e 0 INPUTS Comparator Threshold HYS VTH2 e HYS VTH1 e 1 166 201 mVPP Voltage (Note 9) VthHYSD(101) CHAN Data Field Hysteresis Ctrl Reg Bits HYST VTH1 e 0 INPUTS Comparator Threshold HYS VTH0 e HYS VTH2 e 1 207 246 mVPP Voltage (Note 9) VthHYSD(011) CHAN Data Field Hysteresis Ctrl Reg Bits HYS VTH2 e 0 INPUTS Comparator Threshold HYS VTH0 e HYS VTH1 e 1 282 315 mVPP Voltage (Note 9) VthHYSD(000) CHAN Data Field Hysteresis Ctrl Reg Bits HYS VTH0 e INPUTS Comparator Threshold HYS VTH1 e HY VTH2 e 0 372 418 mVPP Voltage (Note 9) ZSCAP(DIS) SERVO SCAP Pin Discharge VHOLD e 03V VS4 e 4V 4 62 85 kX Impedance VSCAP1–4 e 2V (Note 12) AvQT(gd) SERVO Servo Channel Gain for VHOLD e 3V 46 55 78 VV Quarter Track Mispositioning (Note 14) VINTERCEPT SERVO Servo Channel Output VHOLD e 4V 1 14 % Voltage for 0 VPP Input (Notes 13 and 15) GLgd SERVO Gated Detector Gain VHOLD e 4V 03 1 % Linearity (Notes 13 16 and 17) VOSgd SERVO Gated Detector Output VHOLD e 4V 10 25 mV Voltage Offset (Note 18) ILgd SERVO Gated Detector Leakage VS1 e VS2 e VS3 e VS4 e 03V 002 005 m A Current VHOLD e 4V (Note 19) VOS(DA) SERVO Servo Difference (Note 20) 512 mV Amplifier Offset Voltage AVDA SERVO Servo Difference Gain is Measured from Amplifier Gain SCAP Pins to Difference 045 0475 05 VV Amplifier Output http www nationalcom 13 |
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