MAX127 Maxim, MAX127 Datasheet - Page 5

• Manufacturer Part Number: MAX127
• Description: Multirange / +5V / 12-Bit DAS with 2-Wire Serial Interface
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
T
TIMING CHARACTERISTICS
(V
unless otherwise noted. Typical values are at T
A
DIGITAL INPUTS (SDA, SCL)
Input High Threshold Voltage
Input Low Threshold Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
Output Low Voltage
Three-State Output Capacitance
SCL Clock Frequency
Bus Free Time Between a
STOP and START Condition
Hold Time (Repeated)
START Condition
Low Period of the SCL Clock
High Period of the SCL Clock
Set-Up Time for a Repeated
START Condition
Data Hold Time
Data Setup Time
Rise Time for Both SDA and SCL
Signals (Receiving)
Fall Time for Both SDA and SCL
Signals (Receiving)
Fall Time for Both SDA and SCL
Signals (Transmitting)
Set-Up Time for STOP Condition
Capacitive Load for Each
Bus Line
Pulse Width of Spike Suppressed
DIGITAL OUTPUTS (SDA)
2-WIRE FAST MODE
DD
DD
2-WIRE FAST MODE
= T
= +5V ±5%; unipolar/bipolar range; external reference mode, V
= +4.75V to +5.25V; unipolar/bipolar range; external reference mode, V
MIN
PARAMETERS
to T
PARAMETER
MAX
; unless otherwise noted. Typical values are at T
_______________________________________________________________________________________
SYMBOL
SYMBOL
t
t
t
t
t
HD,DAT
HD,STA
SU,DAT
SU,STO
SU,STA
C
t
V
t
f
t
HIGH
V
LOW
V
C
V
SCL
BUF
t
C
HYS
I
OUT
t
t
t
SP
IN
OL
IH
R
F
F
IL
IN
b
Multirange, +5V, 12-Bit DAS with
A
V
(Note 4)
I
I
(Note 4)
C
C
C
SINK
SINK
= +25°C.)
IN
b
b
b
= Total capacitance of one bus line in pF
= Total capacitance of one bus line in pF
= Total capacitance of one bus line in pF
= 0 or V
= 3mA
= 6mA
DD
CONDITIONS
CONDITIONS
A
= +25°C.)
REF
2-Wire Serial Interface
= 4.096V; 4.7µF at REF pin; external clock, f
REF
= 4.096V; 4.7µF at REF pin; T
0.3 x V
0.05 x V
0.1 x C
0.1 x C
0.1 x C
20 +
20 +
20 +
MIN
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
0
0
DD
b
b
b
DD
±0.1
TYP
TYP
0.7 x V
A
= T
MAX
MAX
±10
400
300
300
250
400
0.4
0.6
0.9
CLK
15
15
50
DD
MIN
= 400kHz;
to T
UNITS
UNITS
kHz
pF
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
µs
ns
µA
pF
pF
V
V
V
V
MAX
5
;