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AS3693A QFN48
austria micro systems
Symbol
V C,GAIN
Parameter
Automatic Supply Regulation
gain
Min
Typ
2.0
Max
Unit
mA/V
Note
Voltage to current ratio; output
current range typ. 0 to 200uA
T OVTEMP
Over temperature Limit
130
140
150
° C
Maximum junction temperature
(2)
Thyst
Over temperature hysteresis
10
° C
CLK
Internal Clock for PWM
400
500
600
KHz Clock for internal PWM generation
Notes:
1, Accuracy at +100°C guaranteed by design and verified by laboratory characterization
2, If the temperature exceeds the over temperature limit, the PWM will be turned off. If the temperature
decreases, the PWM is activated again. The register settings are not reset.
3, To obtain higher currents use more than one current sink in parallel or use AS3693B (external
transistors)
Table 4 – Digital Input pins characteristics (SDI,VSYNC,HSYNC,SCL,CS)
Symbol
V IH
V IL
Parameter
High Level Input voltage
Low Level Input voltage
Min
1.3
-0.3
Typ
Max
VREG
0.4
Unit
V
V
Note
f _SCL
Maximum SCL Frequency
10
MHz
f _HSYNC
Maximum HSYNC Frequency
10
MHz
Output driver is slew rate limited
( Register: Curreg_Control 0x0D )
SYNC-mode:
t s_VH
Vsync setup time before rising
edge of Hsync
15
ns
PWM values are updated with first
rising edge of Hsync while Vsync = 1
( see 7.3.1.1 )
t h_VH
Vsync hold time after rising edge
of Hsync
15
ns
t s_SCISCL
t h_SCLSCI
t s_CSSCL
t h_SCLCS
t BUF
T setupstart
T holdstart
T setupstop
Setup time SDI,SCL
Hold time SCL,SDI
Setup time CS,SCL
Hold time SCL, CS
Bus free time between
Stop and Start conditions
Setup time for repeated
Start condition
Hold time for repeated
Start condition
Setup time for
Stop condition
15
15
15
15
1.3
100
160
160
ns
ns
ns
ns
us
ns
ns
ns
SPI interface mode
SPI interface mode
SPI interface mode
SPI interface mode
I2C interface mode
I2C interface mode
I2C interface mode
I2C interface mode
Table 5 – Digital output pins characteristics (SDO)
Symbol
V OH
V OL
Parameter
High Level Output voltage
Low Level Output voltage
Min
2.4
-0.3
Typ
Max
2.5
0.4
Unit
V
V
Note
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