
LTC2301/LTC2305
5
23015fb
POWER REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Supply Voltage
l
4.75
5
5.25
V
IDD
Supply Current
Nap Mode
Sleep Mode
14ksps Sample Rate
SLP Bit = 0, Conversion Done
SLP Bit = 1, Conversion Done
l
2.3
225
7
3.5
400
15
mA
μA
PD
Power Dissipation
Nap Mode
Sleep Mode
14ksps Sample Rate
SLP Bit = 0, Conversion Done
SLP Bit = 1, Conversion Done
l
11.5
1.125
35
17.5
2
75
mW
μW
The
l denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C. (Note 4)
I2C TIMING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSCL
SCL Clock Frequency
l
400
kHz
tHD(SDA)
Hold Time (Repeated) START Condition
l
0.6
μs
tLOW
LOW Period of the SCL Pin
l
1.3
μs
tHIGH
HIGH Period of the SCL Pin
l
0.6
μs
tSU(STA)
Set-Up Time for a Repeated START
Condition
l
0.6
μs
tHD(DAT)
Data Hold Time
l
0
0.9
μs
tSU(DAT)
Data Set-Up Time
l
100
ns
tr
Rise Time for SDA/SCL Signals
(Note 11)
l
20 + 0.1CB
300
ns
tf
Fall Time for SDA/SCL Signals
(Note 11)
l
20 + 0.1CB
300
ns
tSU(STO)
Set-Up Time for STOP Condition
l
0.6
μs
tBUF
Bus Free Time Between a Second START
Condition
l
1.3
μs
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
ADC TIMING CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSMPL
Throughput Rate (Successive Reads)
l
14
ksps
tCONV
Conversion Time
l
1.3
1.6
μs
tACQ
Acquisition Time
(Note 8)
l
240
ns
tREFWAKE
REFCOMP Wakeup Time (Note 12)
CREFCOMP = 10μF, CREF = 2.2μF
200
ms