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A4927KLPTR-T Datasheet(PDF) 9 Page - Allegro MicroSystems

Part # A4927KLPTR-T
Description  Automotive Half-Bridge MOSFET Driver
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A4927KLPTR-T Datasheet(HTML) 9 Page - Allegro MicroSystems

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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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