AS3910-BQFP 查看數據表（PDF） - austriamicrosystems AG
零件编号
产品描述 (功能)
生产厂家
AS3910-BQFP Datasheet PDF : 47 Pages
| |||
AS3910
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
Table 3. Operating Conditions
Symbol
Parameter
VDD
Positive supply voltage
VSS
TAMB
Negative supply voltage
Ambient Temperature
Input pin voltage TRIM pins
Conditions
Min
Typ
In case power supply is lower than
2.6V, PSSR can not be improved
using internal regulators (minimum
2.4
regulated voltage is 2.4V)
0
-40
Max
Units
3.6
V
0
V
85
ºC
30
V
Table 4. DC / AC Characteristics For Digital Inputs and Outputs
Symbol
Parameter
CMOS Inputs
Valid for input pins EN, SEN, SDATAI, SCLK and TEST
VIH
High level input voltage
VIL
Low level input voltage
ILEAK
Input leakage current
RPD
Pull-down resistance pad EN
CMOS Outputs
Valid for output pins SDATAO, INTR and MCU_CLK
VOH
High level output voltage
VOL
Low level output voltage
CL
Capacitive load
RO
Output Resistance
SPI Timing
TSENL
SPI reset (SEN low)
TSCLKL
SCLK low
TSCLKH
SCLK high
TSENCLKR
SEN rising to SCLK rising
TSENCLKF
SCLK falling to SEN falling
Conditions
ISOURCE = 1mA
ISINK = 1mA
first SCLK pulse
last SCLK pulse
Min
Typ
Max Units
0.7 * VDD
V
0.3 * VDD V
2
µA
100
kΩ
0.9 * VDD
V
0.1 * VDD V
50
pF
250
500
Ω
100
ns
100
ns
100
ns
50
ns
50
ns
www.austriamicrosystems.com/HF_RFID_Reader/AS3910
Revision 2.3
8 - 47
Share Link: 