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STA1080 Datasheet(PDF) 70 Page - STMicroelectronics

Part # STA1080
Description  Accordo2 family – Automotive dual core processor for car radio and display audio application
PDF  127 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA1080 Datasheet(HTML) 70 Page - STMicroelectronics

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Electrical Characteristics
STA108x, STA109x
70/127
DS13319 Rev 2
4.11.2
VDD Low Voltage Detector
4.11.3
VDDIO_IO_ON Main Voltage Detector
4.11.4
PLL LDO (3V3 TO 2V5 Low Power Regulator)
Table 34. Digital Supply LVD
Symbol
Parameter
Limit values
Unit
Min
Typ
Max
Vuthres
P
Upper voltage threshold (Value @ 27C,
0σ), σ: 5mV
1.07
-
1.09
V
Vlthres
P
Lower voltage threshold (Value @ 27C,
0σ), σ: 5mV
1.01
-
1.02
V
Vhyst
S
Hysteresis
-
60
-
mV
Table 35. VDDIO_IO_ON supply LVD
Symbol
Parameter
Limit values
Unit
Min
Typ
Max
Vuthres
P
Upper voltage threshold (Value @ 27C ,
0σ), σ: 12mV
2.78
-
2.92
V
Vlthres
P
Lower voltage threshold (Value @ 27C ,
0σ), σ: 12mV
2.69
-
2.83
V
Vhyst
S
Hysteresis
-
90
-
mV
Table 36. 3V3 TO 2V5 Regulator
Symbol
Parameter
Limit values
Unit
Min
Typ
Max
VASupply
SR
Analog Supply
3.0
3.3
3.6
V
Vout
P
Output Voltage @ Iload = max
2.375
2.5
2.63
V
Cload
SR
Total off chip capacitance values(1)
-4.7
-
µF
ESR of each external capacitor in
frequency range of 100 kHz -
100 MHz
10
-
150
mΩ
PSRR_DC
S
Power supply rejection at DC @
NO load
--
-23
dB
PSRR
S
Power supply rejection at 2MHZ @
NO load
--
-12
dB
Tstart
S
Start up time from power down to
active after input supply stabilizes
(Supply rise time of 1µs)
--
300
µs
1. This is mandatory for proper device functionality.



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