AS1121-BQFT austriamicrosystems, AS1121-BQFT Datasheet - Page 5

• Manufacturer Part Number: AS1121-BQFT
• Description: IC LED DRIVER 16-CH 30V 32-TQFN
• Manufacturer: austriamicrosystems

Specifications of AS1121-BQFT

• Constant Current: Yes
• Internal Driver: Yes
• Type - Primary: Backlight, General Purpose
• Type - Secondary: Color
• Mounting Type: *
• Topology: PWM
• Number Of Outputs: 16
• Voltage - Supply: 3.1 V ~ 3.6 V
• Voltage - Output: 1.5 V ~ 30 V
• Package / Case: *
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Other names: AS1121-BQFTTR

AS1121
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Table 3. Electrical Characteristics (Continued)
Timing Characteristics
V
Table 4. Output Tming Characteristics
1. Value can be factory trimmed for EMI improvement
2. See
Interface Characteristics
V
Table 5. Serial Interface Timing Characteristics
www.austriamicrosystems.com/LED-Driver-ICs
CC
CC
Symbol
V
V
t
t
Symbol
= +3.1V to +3.6V, T
= +3.1V to +3.6V, T
WH0
WH1
I
Symbol
IREF
f
LOD
t
OL
t
t
t
t
GSCLK
R1
t
PD0
PD1
PD2
t
t
t
F1
Figure 10 on page
t
t
f
R0
WH2
WH3
F0
ERR
CLK
D
1
/t
/t
1
WL0
WL1
(can be turend off on request)
LED Open Detection Threshold
Average Output Delay Time
Propagation Delay Time
Reference Voltage Output
Low-Level Output Current
AMB
AMB
13.
Data Shift Clock Frequency
Greyscale Clock Frequency
Parameter
Rise Time
Error Detection Duration
Fall Time
GSCLK Pulse Duration
Parameter
= -40°C to +85ºC. Typical values are at T
= -40°C to +85ºC. Typical values are at T
OEN Pulse Duration
CLK Pulse Duration
LD Pulse Duration
Parameter
OUT0, OUT1, OUT2, OUT3
OUT0, OUT1, OUT2, OUT3
OUTn, DC = 3F
OUTn, DC = 3F
OUT12, OUT13, OUT14, OUT15
OUT8, OUT9, OUT10, OUT11
OUT4, OUT5, OUT6, OUT7
V
CC
Revision 1.00
turn OFF delay
turn ON delay
CLK, SDO
= 5 V at SDO, XERR
Conditions
AMB
AMB
R
LD = 1, OEN = 0
Condition
IREF
GSCLK = 1/0
SDO
SDO
Conditions
CLK = 1/0
HEX
HEX
OEN = 1
= +25°C, V
= +25°C, V
LD = 1
GSCLK
= 1kΩ
CLK
, R
, R
2
2
2
IREF
IREF
, R
, R
1
2
1
IREF
IREF
2
CC
CC
= 1kΩ
= 1kΩ
3
2
2
= 3.3V (unless otherwise specified).
= 3.3V (unless otherwise specified).
= 1kΩ,
= 1kΩ,
2
Min
tbd
16
20
20
1.23
Min
1.0
Min
1000
Typ
1.27
Typ
0.3
Typ
25
25
15
25
8
8
Max
30
Max
1.32
Max
5
0.4
MHz
MHz
Unit
Unit
Unit
ns
ns
ns
ns
ns
mA
ns
ns
ns
ns
5 - 18
V
V