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A4927KLPTR-T Datasheet(PDF) 9 Page - Allegro MicroSystems |
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A4927KLPTR-T Datasheet(HTML) 9 Page - Allegro MicroSystems |
9 / 40 page Automotive Half-Bridge MOSFET Driver A4927 9 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com ELECTRICAL CHARACTERISTICS (continued): Valid for TJ = –40 to 150°C, VBB = 5.5 to 50 V, unless otherwise specified Characteristics Symbol Test Conditions Min. Typ. Max. Unit CURRENT SENSE AMPLIFIER Input Offset Voltage VIOS –4 – +4 mV Input Offset Voltage Drift ΔVIOS – ±4 – µV/°C Input Bias Current [1] IBIAS 0 V < VCSP < VDL, 0 V < VCSM < VDL –16 – 31 µA Input Offset Current [1] IOS VID = 0 V, VCM in range –10 – +10 µA Input Common-Mode Range (DC) VCM VID = 0 V –1.8 – +2 V Gain AV Default power-up value – 35 – V/V Programmable range, SAG[2:0], nominal 10 – 50 V/V Gain Error EA VCM in range –5 ±2 +5 % Output Offset VOOS Default power-up value – 2.5 – V Programmable range, SAO[3:0], nominal 0 – 2.5 V Output Offset Error EVO VCM in range, VOOS > 0 V –10 ±2 +10 % Small Signal –3 dB Bandwidth at Gain = 25 BW VIN = 10 mVpp 500 – – kHz Output Settling Time (to within 40 mV) tSET VCSO = 1 Vpp square wave Gain = 25, COUT = 200 pF – 1 1.8 µs Output Dynamic Range VCSOUT –100 µA < ICSO < 100 µA 0.3 – 4.8 V Output Voltage Clamp VCSC ICSO = –2 mA 4.85 5.2 5.6 V Output Current Sink [1] ICSsink VID = 0 V, VCSO = 1.5 V, Gain = 25 0.275 – – mA Output Current Sink (Boosted) [1][5] ICSsinkb VOOS = 0 V, VID = –50 mV, VCSO = 1.5 V, Gain = 25 1 – – mA Output Current Source [1] ICSsource VID = 200 mV, VCSO = 1.5 V Gain = 25, Offset = 0 V – – –1 mA VBB Supply Ripple Rejection Ratio PSRR VID = 0 V, 100 kHz, Gain = 25 – 75 – dB VCSP = VCSM = 0 V, DC, Gain = 25 75 – – dB DC Common-Mode Rejection Ratio CMRR VCM step from 0 to 200 mV Gain = 25 55 – – dB AC Common-Mode Rejection Ratio CMRR VCM = 200 mVpp, 100 kHz, Gain = 25 – 62 – dB VCM = 200 mVpp, 1 MHz, Gain = 25 – 43 – dB VCM = 200 mVpp, 10 MHz, Gain = 25 – 25 – dB Common Mode Recovery Time (to within 100 mV) tCMrec VCM step from –4 V to +1 V Gain = 25, COUT = 200 pF – 1 – µs Output Slew Rate 10% to 90% SR VID step from 0 to 175 mV Gain = 25, COUT = 200 pF – 10 – V/µs Input Overload Recovery (to within 100 mV) tIDrec VID step from 250 mV to 0 V Gain = 25, COUT = 200 pF – 1 – µs Continued on the next page… |
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