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参数资料
| 型号： | LTC2942IDCB#TRMPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | 2 X 3 MM, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 13/18页 |
| 文件大小： | 227K |
| 代理商： | LTC2942IDCB#TRMPBF |
LTC2942
4
2942fa
Timing Diagram
tSU, DAT
tSU,STO
tSU,STA
tBUF
tHD,STA
tHD,DATO,
tHD,DATI
tHD,STA
START
CONDITION
STOP
CONDITION
REPEATED START
CONDITION
START
CONDITION
SDA
SCL
2942 F01
tof
Figure 1. Definition of Timing on I2C Bus
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tHD,DATO
Data Hold Time Output
l
0.3
0.9
s
tOF
Data Output Fall Time
(Notes 7, 8)
l
20 + 0.1 CB
300
ns
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into pins are positive, all voltages are referenced to
GND unless otherwise specified
Note 3: ISUPPLY = ISENSE+ + ISENSE–
Note 4: The equivalent charge of an LSB in the accumulated charge
register depends on the value of RSENSE and the setting of the internal
prescaling factor M:
qLSB =0.085mAh
50m
RSENSE
M
128
See Choosing RSENSE and Choosing Coulomb Counter Prescaler M section
for more information. 1mAh = 3.6C (coulombs).
Note 5: Deviation of qLSB from its nominal value.
Note 6: The quantization step of the 14-bit ADC in voltage mode and
10-bit ADC in temperature mode is not to be mistaken with the LSB of the
combined 16-bit voltage registers (I, J) and 16-bit temperature registers
(M, N).
Note 7: CB = Capacitance of one bus line in pF (10pF ≤ CB ≤ 400pF). See
Voltage and Temperature Registers section for more information.
Note 8: Guaranteed by design, not subject to test.
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