DS1050
8 of 17
AC ELECTRICAL CHARACTERISTICS
(-40
°C to +85°C; VCC = 2.7V to 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS NOTES
SCL Clock
Frequency
fSCL
Fast Mode
Standard Mode
0
400
100
kHz
6
Bus Free Time
Between STOP and
START Condition
tBUF
Fast Mode
Standard Mode
1.3
4.7
ms
6
Hold Time
(Repeated) START
Condition
tHD:STA
Fast Mode
Standard Mode
0.6
4.0
ms
7, 6
Low Period of SCL
Clock
tLOW
Fast Mode
Standard Mode
1.3
4.7
ms
6
High Period of SCL
Clock
tHIGH
Fast Mode
Standard Mode
0.6
4.0
ms
6
Data Hold Time
tHD:DAT
Fast Mode
Standard Mode
0
0.9
ms
6, 8, 9
Data Set-Up Time
tSU:DAT
Fast Mode
Standard Mode
100
250
ns
6
Rise Time of Both
SDA and SCL
Signals
tR
Fast Mode
Standard Mode
20+0.1CB
300
1000
ns
10
Fall Time of Both
SDA and SCL
Signals
tF
Fast Mode
Standard Mode
20+0.1CB
300
ns
10
Set-Up Time for
STOP Condition
tSU: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
tPWMo
Fast Mode
Standard Mode
2
periods
11
AC ELECTRICAL CHARACTERISTICS
(-40
°C to +85°C; VCC = 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/C
Frequency Voltage
Coefficient
1.5
% per
V