STAP16DPS05 Datasheet, PDF (9/34 Pages) STMicroelectronics – Low voltage 16-bit constant current LED sink driver

STAP16DPS05
Electrical characteristics
3.1
Switching characteristics
V_DD = 5 V, T_j = 25 °C, unless otherwise specified.
Table 8. Switching characteristics ⁽¹⁾⁽²⁾
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
f_clk
tPLH1
tPLH2
tPLH3
Clock frequency
CLK-OUTn
LE\DM1 = H
OE\DM2 = L
LE\DM1-OUTn
OE\DM2 = L
OE\DM2-OUTn
LE\DM1 = H
Propagation
delay time
(“L” to “H”)
tPLH
CLK - SDO
tPHL1
tPHL2
tPHL3
CLK-OUTn
LE\DM1 = H
OE\DM2 = L
LE\DM1-OUTn
OE\DM2 = L
OE\DM2-OUTn
LE\DM1 = H
Propagation
delay time
(“H” to “L”)
tPHL
t_ON
t_OFF
tr
tf
CLK - SDO
Output rise time
10~90 % of voltage
waveform
Output fall time
90~10 % of voltage
waveform
CLK rise time⁽³⁾
CLK fall time⁽³⁾
Cascade operation
V_DD= 3.3 V
V_DD = 5 V
VIH = VDD
VIL = GND
CL = 10 pF
Io = 20 mA
VL = 3 V
R_ext = 1 KΩ
RL = 60 Ω
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
V_DD = 3.3 V
V_DD = 5 V
30 MHz
40 45
ns
20 45
51 80
ns
32 50
50 80
ns
30 50
22 35
ns
15 25
15 25
ns
12 20
13 25
ns
10 15
12 20
ns
10 15
25 40
ns
18 25
35 55
ns
10 20
4
10
ns
3
8
5
µs
5
1. All table limits are guaranteed by design.
2. Not tested in production.
3. If devices are connected in cascade and tr or tf is large, it may be critical to achieve the timing required for data transfer
between two cascaded devices.
DocID024315 Rev 6
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