TS4975 查看數據表（PDF） - STMicroelectronics
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TS4975 Datasheet PDF : 36 Pages
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TS4975
3 Electrical Characteristics
Electrical Characteristics
Table 3. Electrical characteristics for the I²C interface
Symbol
Parameter
Value
Unit
VIL
Maximum Low level Input Voltage on pins SDA, SCL, VADD
0.3 VCC
V
VIH
Minimum High Level Input Voltage on pins SDA, SCL, VADD
0.7 VCC
V
FSCL
SCL Maximum clock Frequency
400
kHz
Vol
Max Low Level Output Voltage, SDA pin, Isink = 3mA
0.4
V
Ii
Max Input current on SDA, SCL(1)
from 0.1 VCC to 0.9 VCC
10
µA
1. SCL and SDA are CMOS inputs. The nominal input current is about few pA and not 10uA. 10µA refer to the I2C
bus specification.
Table 4. Output noise (all inputs grounded)
Unweighted Filter
from VCC = 2.5V to 5V
SE, G = +2dB
34µVrms
SE, G = +18dB
67µVrms
PHG, G = +2dB
34µVrms
PHG, G = +18dB
67µVrms
Weighted Filter (A)
from VCC = 2.5V to 5V
23µVrms
45µVrms
23µVrms
45µVrms
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