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AS8525 датащи(PDF) 12 Page - ams AG

номер детали AS8525
подробное описание детали  LIN Transceiver with Voltage Regulators, Programmable Gain High Side Amplifier, and Voltage Attenuator
PDF  38 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS8525 датащи(HTML) 12 Page - ams AG

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Revision 2.3
11 - 37
AS8525
Datasheet - Electrical Character i s t ics
6.2.2 VCMREF Generator
6.2.3 Voltage Attenuator
6.2.4 Voltage Regulators (LDO & ALDO)
Table 7. VCMREF Generator
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VCMREF_AMP
Common-mode reference voltage
When AVCC=3.3V
1.55
1.65
1.75
V
When AVCC=5V
2.35
2.5
2.65
Table 8. Voltage Attenuator
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RDIV
Division ratio
481
V/V
VBAT
Input voltage range/
Battery voltage range
4.5
12
18
V
εp,RDIV
Ratio error
At room temperature, VBAT=12V
±1
%
εdt1,RDIV
Ratio drift
(w.r.t Temperature)
Temperature: -25 to +65ºC
@VBAT = 12V
±0.05
%
εdt2,RDIV
Temperature: -40 to +125ºC
@VBAT = 12V
±0.2
εdv1,RDIV
Ratio drift
(w.r.t VBAT)
VBAT: 11 to 13 V
@ Temperature = 27ºC
±0.05
%
εdv2,RDIV
VBAT: 6 to 18 V
@ Temperature = 27ºC
±0.2
Table 9. Voltage Regulators (LDO & ALDO)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VSUP
Input Supply Voltage
3.3V option
4.3
12
18
V
VCC
AVCC
Output Voltage Range
3.3V option
3.15
3.3
3.45
V
ILOAD
LDO Load Current
50
mA
ALDO Load Current
0.01
50
mA
ICC_SH
Output Short Circuit Current
Normal mode
250
mA
dVCC1
Line Regulation
ΔVCC / ΔVSUP for VSUP range
8
mV/V
LOREG
Load Regulation
ΔVCC / ΔICCn
(0.5mA < ILOAD < 50mA)
1mV/mA
CL1
Output Capacitor1 LDO
Electrolytic
2.2
10
µF
ESR1
110
Ω
CL2
Output Capacitor2 LDO
Ceramic
100
220
nF
ESR2
0.02
1
Ω
CL1
Output Capacitor1 ALDO
Electrolytic
2.2
5
µF
ESR1
110
Ω
CL2
Output Capacitor2 ALDO
Ceramic
100
220
nF
ESR2
0.02
1
Ω



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