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DP84910 Datasheet(PDF) 12 Page - National Semiconductor (TI) |
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DP84910 Datasheet(HTML) 12 Page - National Semiconductor (TI) |
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12 / 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 Symbol Circuit Parameter Conditions Min Typ Max Units Block (Note 24) ZIN-AL GCA Amplifier Input Impedance Nonwrite Mode (Note 1) 2 24 28 kX (AMPIN1 AMPIN2) AVA(MAX) GCA Maximum Amplifier Gain VVAGCIN e 1V (Note 2) 50 VV AVA(MIN) GCA Minimum Amplifier Gain VVAGCIN e 4V (Note 2) 01 05 VV AVA(FG) GCA Amplifier Gain in Fixed Control Register Programmed 8 11 13 VV Gain Mode for Fixed Gain Mode (Note 2) VAob GCA Amplifier Output DC Bias 3 34 44 V Level VTH(AGC) AGC AGC Threshold Voltage VREF e 05V 425 500 575 mVPP VVAGCIN e 25V (Note 3) GmAGC AGC AGC Transconductance VVAGCIN e 25V (Note 4) 07 1 13 mAV b IAGC(SLEW) AGC AGC Slew Current lVCHAN1 b VCHAN2l e 05V (Flowing out of either VVAGCIN e 25V VREF e 05V b 400 b 240 b 180 m A VAGCINS or VAGCIND) IAGC(SLEW) AGC AGC Slew Current lVCHAN1 b VCHAN2l e 0V (Flowing into either VVAGCIN e 25V VREF e 05V 200 240 400 m A VAGCINS or VAGCIND) FSBP AGC Fast Slew Break Point for VVACGIN e 25V (Note 5) 20 30 40 % AGC VREF e 05V VDISCAP AGC Discharge Capacitor Measurement Made at 13 18 24 V Voltage VTHAGC (Note 23) ILEAK(AGC)H AGC AGC Leakage Current in HOLD e High VVAGCIN e 002 009 m A AGC Hold Mode 25V (Note 6) ILEAK(AGC)W AGC AGC Leakage Current Pulse Detector Placed in Write 002 003 m A Write Mode Mode VVAGCIN e 25V (Note 6) ILEAK(AGC)ID AGC AGC Leakage Current in Pulse Detector is in Idle Mode 002 007 m A Idle Mode VVAGCIN e 25V (Note 6) ZDISCAP AGC DISCAP Pin Impedence Force 2V on the DISCAP Pin 711 15 kX and Measure the Impedence ZIN(AL)W AMP Amplifier Input Impedance (Note 1) 65 100 X CLAMP in Write Mode Iclamp(sink) AMP Amplifier Input Clamp (Note 7) 911 mA CLAMP Sink Current Iclamp(source) AMP Amplifier Input Clamp (Note 8) 912 mA CLAMP Source Current ZIN(CH) CHAN Channel Input Impedance (Note 1) 44 47 5 kX INPUTS HR(D) CHAN Ratio of the Data Field See Conditions for 025 037 045 INPUTS Hysteresis Threshold to VTHHYSD(101) and VTH(AGC) the AGC Threshold (Note 10) HR(S) CHAN Ratio of the Servo Field See Conditions for 025 036 045 INPUTS Hysteresis Threshold to VTH(HYSTS) and VTH(AGC) the AGC Threshold (Note 10) http www nationalcom 12 |
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