Datasheet

DS2782
3 of 28
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Current Gain Error I
GERR
(Note 3) ±1
% Full-
Scale
Current Offset Error I
OERR
0°C ≤ T
A
≤ +70°C,
2.5V ≤ V
DD
≤ 4.2V
(Note 5)
-7.82 +12.5
V
Accumulated Current Offset q
OERR
0°C ≤ T
A
≤ +70°C,
2.5V ≤ V
DD
≤ 4.2V
V
SNS
= V
SS
(Notes 4, 5)
-188 +0
Vhr/
day
V
DD
= 3.8V,
T
A
= +25°C
±1
0°C ≤ T
A
≤ +70°C,
2.5V ≤ VDD ≤ 4.2V
±2
Time-Base Error t
ERR
±3
%
ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(2.5V  V
DD
 4.5V, T
A
= -20C to +70C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCL Clock Frequency
f
SCL
(Note 6) 0 400 kHz
Bus Free Time Between a
STOP and START Condition
t
BUF
1.3
s
Hold Time (Repeated)
START Condition
t
HD:STA
(Note 7) 0.6
s
Low Period of SCL Clock
t
LOW
1.3
s
High Period of SCL Clock
t
HIGH
0.6
s
Setup Time for a Repeated
START Condition
t
SU:STA
0.6
s
Data Hold Time
t
HD:DAT
(Note 8, 9) 0 0.9
s
Data Setup Time
t
SU:DAT
(Note 8) 100 ns
Rise Time of Both SDA and
SCL Signals
t
R
20 +
0.1C
B
300 ns
Fall Time of Both SDA and
SCL Signals
t
F
20 +
0.1C
B
300 ns
Setup Time for STOP
Condition
t
SU:STO
0.6
s
Spike Pulse Widths
Suppressed by Input Filter
t
SP
(Note 10) 0 50 ns
Capacitive Load for Each Bus
Line
C
B
(Note 11) 400 pF
SCL, SDA Input Capacitance C
BIN
60 pF
EEPROM RELIABILITY SPECIFICATION
(V
CC
= 2.5V to 4.5V; T
A
= -20°C to +70°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
EEPROM Copy Time t
EEC
10 ms
EEPROM Copy Endurance N
EEC
T
A
= +50°C 50,000 cycles