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AS3543 Datasheet(PDF) 50 Page - ams AG

Part # AS3543
Description  High End Stereo Audio Codec wi th System PMU
PDF  92 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3543 Datasheet(HTML) 50 Page - ams AG

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www.austriamicrosystems.com
Revision 1.11
49 - 91
AS3543 3v2
Data Sheet - D e t a i l e d D e s c r i p t i o n - S Y S T E M F u n c t i o n s
10.6
10-Bit ADC
10.6.1 General
This general purpose ADC can be used for measuring several voltages and currents to perform functions like battery
monitor, temperature supervision, button press detection, etc.
10.6.2 Input Sources
10.6.3 Parameter
AVDD27=2.7, TA= 25
o
C, unless otherwise mentioned
Table 37. ADC10 Input Sources
#
Source
Range
LSB
Description
0
BVDD
5.120V
5mV
check main system input voltage
1
BVDDR
5.120V
5mV
check RTC backup battery voltage
2
CHGIN
5.120V
5mV
check charger input voltage
3
CHGOUT
5.120V
5mV
check battery voltage of 4V Li-Ion accumulator
4
VBUS
5.120V
5mV
check USB input voltage
5
5.120V
5mV
Source defined by DC_TEST in register 18h
6
BatTemp
2.048V
2mV
check battery charging temperature
7
reserved
8
MICS
2.048V
2mV
check voltage on MICS for remote control or external voltage
measurement
9
reserved
A
I_MICS
1.024mA
typ.
2uA
check current of MICS for remote control detection
B
reserved
C
VBE_1uA
1.024
1mV
measuring basis-emitter voltage of temperature sense
transistor;
Tj = (674 - ADC10<9:0>) / 2
D
VBE_2uA
1.024
1mV
measuring basis-emitter voltage of temperature sense
transistor;
Tj = (694 - ADC10<9:0>) / 2
E
I_CHGact
1.024V
1mV
check active charger current
F
I_CHGref
1.024V
1mV
check reference charger current
Table 38. ADC10 Parameter
Symbol
Parameter
Condition
Min
Typ
Max
Unit
ADCFS
ADC Full Scale Range
2.16
V
TCON
Conversion Time
-
34
50
µs
I_MICFS
I_MICS Full Scale Range
0.7
1.0
1.4
mA



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