AS3693C-ZTQT Datasheet, PDF (6/30 Pages) ams AG – AS3693C–9 Channel high precision LED driver for LCD Backlight

AS3693C
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Table 4 – Digital Input pins characteristics (SDI,VSYNC,HSYNC,SCL,CS)
Symbol
Parameter
Min Typ
VIH
High Level Input voltage
1.3
VIL
Low Level Input voltage
-0.3
f_SCL
Maximum SCL Frequency
f_HSYNC Maximum HSYNC Frequency
ts_VH
Vsync setup time before rising
edge of Hsync
15
th_VH
Vsync hold time after rising edge
of Hsync
15
ts_SCISCL
Setup time SDI,SCL
15
th_SCLSCI
Hold time SCL,SDI
15
ts_CSSCL
Setup time CS,SCL
15
th_SCLCS
Hold time SCL, CS
15
Bus free time between
tBUF
1.3
Stop and Start conditions
Setup time for repeated
Tsetupstart
100
Start condition
Hold time for repeated
Tholdstart
160
Start condition
Setup time for
Tsetupstop
160
Stop condition
Max Unit
Note
VREG V
0.4 V
10 MHz
Output driver is slew rate limited
10 MHz
( Register: Curreg_Control 0x0D )
SYNC-mode:
ns
PWM values are updated with first
rising edge of Hsync while Vsync = 1
( see 7.3.1.1 )
ns
ns SPI interface mode
ns SPI interface mode
ns SPI interface mode
ns SPI interface mode
us I2C interface mode
ns I2C interface mode
ns I2C interface mode
ns I2C interface mode
Table 5 – Digital output pins characteristics (SDO)
Symbol
Parameter
VOH
High Level Output voltage
VOL
Low Level Output voltage
Min Typ Max Unit
2.4
2.5 V
-0.3
0.4 V
Note
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Revision 1.4 / 2009-08-13
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