Datasheet

DS1050
8 of 17
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
= 2.7V to 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
SCL Clock
Frequency
f
SCL
Fast Mode
Standard Mode
0
0
400
100
kHz 6
Bus Free Time
Between STOP and
START Condition
t
BUF
Fast Mode
Standard Mode
1.3
4.7
ms
6
Hold Time
(Repeated) START
Condition
t
HD:STA
Fast Mode
Standard Mode
0.6
4.0
ms
7, 6
Low Period of SCL
Clock
t
LOW
Fast Mode
Standard Mode
1.3
4.7
ms
6
High Period of SCL
Clock
t
HIGH
Fast Mode
Standard Mode
0.6
4.0
ms
6
Data Hold Time t
HD:DAT
Fast Mode
Standard Mode
0
0
0.9
ms
6, 8, 9
Data Set-Up Time t
SU:DAT
Fast Mode
Standard Mode
100
250
ns 6
Rise Time of Both
SDA and SCL
Signals
t
R
Fast Mode
Standard Mode
20+0.1C
B
300
1000
ns 10
Fall Time of Both
SDA and SCL
Signals
t
F
Fast Mode
Standard Mode
20+0.1C
B
300
300
ns 10
Set-Up Time for
STOP Condition
t
SU:STO
Fast Mode
Standard Mode
0.6
4.0
ms
Capacitive Load for
Each Bus Line
CB Fast Mode
Standard Mode
400 pF 10
PWM Output
Change
t
PWMo
Fast Mode
Standard Mode
2 periods 11
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
= 2.7V to 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Output Frequency
Tolerance
-20 +20 % 12
Output Impedance 200
W
Absolute Linearity -0.5 +0.5 LSB 14
Relative Linearity -0.25 +0.25 LSB 15
Resolution 5 Bits 13
Frequency
Temperature
Coefficient
±200 ppm/ºC
Frequency Voltage
Coefficient
1.5 % per
V