MAX127ACAI Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
Список матч
MAX127ACAI Datasheet PDF : 16 Pages
| |||
Multirange, +5V, 12-Bit DAS with
2-Wire Serial Interface
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF pin; external clock, fCLK = 400kHz;
TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DIGITAL INPUTS (SDA, SCL)
Input High Threshold Voltage
Input Low Threshold Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUTS (SDA)
VIH
VIL
VHYS
IIN
CIN
VIN = 0 or VDD
(Note 4)
0.7 x VDD V
0.3 x VDD
V
0.05 x VDD
V
±0.1 ±10
µA
15
pF
Output Low Voltage
Three-State Output Capacitance
VOL
COUT
ISINK = 3mA
ISINK = 6mA
(Note 4)
0.4
V
0.6
15
pF
TIMING CHARACTERISTICS
(VDD = +4.75V to +5.25V; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF pin; TA = TMIN to TMAX;
unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETERS
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
22-W-WIRIREEFFAASSTTMMOODDEE
SCL Clock Frequency
fSCL
400 kHz
Bus Free Time Between a
STOP and START Condition
tBUF
1.3
µs
Hold Time (Repeated)
START Condition
tHD,STA
0.6
µs
Low Period of the SCL Clock
High Period of the SCL Clock
Set-Up Time for a Repeated
START Condition
tLOW
tHIGH
tSU,STA
1.3
µs
0.6
µs
0.6
µs
Data Hold Time
Data Setup Time
Rise Time for Both SDA and SCL
Signals (Receiving)
tHD,DAT
tSU,DAT
tR
Fall Time for Both SDA and SCL
Signals (Receiving)
tF
Fall Time for Both SDA and SCL
Signals (Transmitting)
tF
Set-Up Time for STOP Condition
Capacitive Load for Each
Bus Line
tSU,STO
Cb
Pulse Width of Spike Suppressed
tSP
Cb = Total capacitance of one bus line in pF
Cb = Total capacitance of one bus line in pF
Cb = Total capacitance of one bus line in pF
0
100
20 +
0.1 x Cb
20 +
0.1 x Cb
20 +
0.1 x Cb
0.6
0
0.9
µs
ns
300
ns
300
ns
250
ns
µs
400
pF
50
ns
_______________________________________________________________________________________ 5
Share Link: 