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参数资料
| 型号： | AS1118-BQFT |
| 厂商： | ams |
| 文件页数： | 5/21页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER 64LED W/DELAY 24-TQFN |
| 标准包装： | 1 |
| 系列： | * |
AS1118
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
6 Electrical Characteristics
V DD = 2.7V to 5.5V, R SET = 9.53k ? , T AMB = -40°C to +85°C, typ. values @ T AMB = +25oC and V DD = 5.0V (unless oth-
erwise specified).
Table 4. Electrical Characteristics
Symbol
V DD
I DDSD
Parameter
Operating Supply Voltage
Shutdown Supply Current
Conditions
All digital inputs at V DD or
GND, T AMB = +25oC
Min
2.7
Typ
0.2
Max
5.5
2
Unit
V
μA
R SET = open circuit.
0.35
0.6
I DD
Operating Supply Current
All segments and decimal
point on; I SEG = -40mA.
335
mA
f OSC
I DIGIT
I SEG
? I SEG
I SEG
Display Scan Rate
Digit Drive Sink Current
Segment Drive Source Current
Segment Drive Current Matching
Segment Drive Source Current
8 digits scanned
V OUT = 0.65V
V DD = 5.0V, V OUT = (V DD -1V)
Average Current
0.6
320
-37
0.8
-42
3
1.2
-47
47
kHz
mA
mA
%
mA
Table 5. Logic Inputs/Outputs Characteristics
Symbol
I IH , I IL
Parameter
Input Current SDI, SCL, LD
Conditions
V IN = 0V or V DD
Min
-1
Typ
Max
1
Unit
μA
V IH
V IL
Logic High Input Voltage
SDI, SCL, LD, RESETN
Logic Low Input Voltage
SDI, SCL, LD, RESETN
1.26
0.54
V
V
V OH
V OL
? V I
Output High Voltage
Output Low Voltage
Hysteresis Voltage
SDO, I SOURCE = -1mA,
V DD = 5.0V
SDO, I SOURCE = -1mA,
V DD = 3.0V
SDO, I SINK = 1mA
SDI, SCL, LD
V DD - 1
V DD - 0.5
1
0.4
V
V
V
Open Detection Level Threshold
Short Detection Level Threshold
0.7x
V DD
0.05x V DD
0.75x
V DD
0.1x
V DD
0.8x
V DD
0.15x
V DD
V
V
Table 6. SPI Timing Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
t CP
t CH
t CL
t CSS
t CSH
t DS
t DH
SCL Clock Period
SCL Pulse Width High
SCL Pulse Width Low
LD to SCL Rise Setup Time
SCL Rise to LD Rise Hold Time
SDI Setup Time
SDI Hold Time
100
20
20
25
10
0
5
ns
ns
ns
ns
ns
ns
ns
t DO
t LDCK
t CSW
t DSPD
Output Data Propagation Delay
LD Rising Edge to SCL Rising Edge
Minimum LD Pulse High
Data-to-Segment Delay
C LOAD = 50pF
20
20
25
2.25
ns
ns
ns
ms
See Figure 18 on page 8 for more information.
www.austriamicrosystems.com/LED-Driver-ICs/AS1118
Revision 1.01
4 - 20
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| AS1118-XXX-I-A1-D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
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| AS1118-XXX-I-A2-D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
| AS1118-XXX-I-A2-S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog Filter |
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